DOI
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10.1063/1.1489084
<jats:p>Field electron emission behavior of individual multiwalled carbon nanotubes (MWNTs), that are elements of a vertically aligned array grown on a Si wafer, were analyzed with a scanning anode field emission microscope. The electron emission of each MWNT followed the conventional Fowler–Nordheim field emission mec...
Field electron emission from individual carbon nanotubes of a vertically aligned array
[ "Semet V. ", "Binh Vu Thien ", "Vincent P. ", "Guillot D. ", "Teo K. B. K. ", "Chhowalla M. ", "Amaratunga G. A. J. ", "Milne W. I. ", "Legagneux P. ", "Pribat D. " ]
https://doi.org/10.1063/1.1489084
2,002
July
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10.1063/1.1489089
<jats:p>The photoluminescence characteristics (peak intensity, peak wavelength and full width at half maximum of the emission band) of p-type porous silicon have been measured as a function of the etching time. Experimental data are discussed in the light of a pore nucleation and growth mechanism recently proposed by t...
Nucleation and growth of pores and photoluminescence in p-type porous silicon
[ "Pascual A. ", "Fernández J. F. ", "Sánchez C. R. " ]
https://doi.org/10.1063/1.1489089
2,002
July
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10.1063/1.1489094
<jats:p>We present molecular dynamics simulations directed at understanding self-limiting oxidation of nanoclusters. Atomic oxygen is inserted in an atom-by-atom way in the silicon bonds to form silicon oxide. First, we focus on planar oxidation to calibrate our model and test its capabilities. Then, we present results...
Study of self-limiting oxidation of silicon nanoclusters by atomistic simulations
[ "Dalla Torre J. ", "Bocquet J.-L. ", "Limoge Y. ", "Crocombette J.-P. ", "Adam E. ", "Martin G. ", "Baron T. ", "Rivallin P. ", "Mur P. " ]
https://doi.org/10.1063/1.1489094
2,002
July
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10.1063/1.1489095
<jats:p>The sensitivity to relative humidity (RH) variations in the range 0%–90% of a platinum polyyne, namely poly-[1,4-dihexadecyloxy-2,5-diethynylbenzene-bis(triphenylphosphine) platinum(II)] (Pt-P-HDOB) membrane was investigated by means of a surface acoustic wave (SAW) based sensor. A thin film of polymeric membra...
Sensitivity of a platinum-polyyne-based sensor to low relative humidity and chemical vapors
[ "Caliendo Cinzia ", "Fratoddi Ilaria ", "Russo Maria Vittoria " ]
https://doi.org/10.1063/1.1489095
2,002
July
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10.1063/1.1489096
<jats:p>In this letter, the characteristics and reliability of laser-activated polycrystalline silicon thin-film transistors (poly-Si TFTs) have been investigated by stressing the devices under Vds=12 V and Vgs=15 V. In comparison with traditional furnace-activated poly-Si TFTs, the leakage current is relatively large ...
Reliability of laser-activated low-temperature polycrystalline silicon thin-film transistors
[ "Peng Du.-Zen ", "Chang Ting-Chang ", "Zan Hsiao-Wen ", "Huang Tiao-Yuan ", "Chang Chun-Yen ", "Liu Po-Tsun " ]
https://doi.org/10.1063/1.1489096
2,002
July
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10.1063/1.1489421
<jats:p>Applying the Fourier path-integral formalism to the isothermal-isobaric ensemble, the melting transition for Ne13 and (para-H2)13 was characterized at various pressures. All multidimensional integrals were solved using the parallel tempering Monte Carlo algorithm. The volume of the system was defined with respe...
Quantum effects in the solid–liquid phase diagram of Ne13 and (para-H2)13
[ "López Gustavo E. " ]
https://doi.org/10.1063/1.1489421
2,002
July
"8GkAfp7gmE/UBFH7fUkY2Q3b1dTwk4PTREccLRl+tV1PYFpZagptXAyUe2CwYrfjcgrp4lGkWk+sNnF6WQslgRk2ocYWzVSeHDVQabskECCDfx0II6m5LIkst8osIaiIvmM3vsvmjeqypbZxOmYkAc36vK9/XIBwbPLUjD4SR3g="
10.1063/1.1489480
<jats:p>We present measurements of transient carrier dynamics subsequent to intense above-band gap femtosecond excitation of the II–VI compounds ZnTe and CdTe, probed in the far infrared by transient terahertz time-domain spectroscopy. The intensity and temperature dependence of the carrier dynamics illuminates the rol...
Above-band gap two-photon absorption and its influence on ultrafast carrier dynamics in ZnTe and CdTe
[ "Schall M. ", "Jepsen P. Uhd " ]
https://doi.org/10.1063/1.1489480
2,002
July
"MEuAHr24lqpShAD7NWlVsQ3hdly0ruGFVBd++5l8qFjM0AtdUlTt2iSOa6CQl6XjwgnxQ/wuWwUNMl8xi2khEDWWKOETx1OmF3tESdYiQvyB/RyAKKAKma2o4tINIKWggj91j/qkCnrixIJoJo4nF596S4t3QNYkTrpQ1iwGTjg="
10.1063/1.1489485
<jats:p>In this letter, we report the leakage current of amorphous silicon (a-Si:H) p-i-n photodiodes, of which the p layer is formed by ion shower doping. The ion shower doping technique has an advantage over plasma-enhanced chemical vapor deposition (PECVD) in the fabrication of a large-area amorphous silicon flat-pa...
Leakage current of amorphous silicon p-i-n diodes made by ion shower doping
[ "Kim Hee Joon ", "Cho Gyuseong ", "Choi Joonhoo ", "Jung Kwan-Wook " ]
https://doi.org/10.1063/1.1489485
2,002
July
"cEhQfLzokl5WnJJ6NeMUcif7UHS0/tXPUrs63UlxYXDN6ErVUmBN2maWW2G6QIfpEgr9DdCNGw8tsEAsY0Y4GX2WaMWzzUaiHjyga+o2QGOBXZSAPSCCvWmN/eIlEJegzi+3XgqnpeqyVdNZr8MMFfxwWCJvX5AwTuLUnDs8Tjg="
10.1063/1.1489701
<jats:p>The utility of vertical propagation by the Green’s function to test response linearity has been explored for magnetic force microscopy (MFM) data from current-carrying wires, by comparing the measured signal at various tip heights to the corresponding propagated MFM signals. Application of a one-dimensional Gre...
Test of response linearity for magnetic force microscopy data
[ "Yongsunthon R. ", "Williams E. D. ", "McCoy J. ", "Pego R. ", "Stanishevsky A. ", "Rous P. J. " ]
https://doi.org/10.1063/1.1489701
2,002
July
"d2GobgjwIprZmJD+XXNdM45zKCHQveNKxFd4+Tn/sFxN0AsdQUBt2m6M++HQcKfn4F21JfSunAdpqFko2Wkp1sUc4KAQ5Fa8EDjkabpyIuChf5zgImAAL6mMpNKJIC6pryE3b4qwrnry1L9tqGUhAp/QmC53O9JwTFrWlj6YRjg="
10.1063/1.1489703
<jats:p>It was demonstrated that the oxyfluoride NbO2F with an ReO3-type structure is a promising electrochromic material with wide band gap. Measurement of diffuse reflectance spectra revealed the optical band gap of NbO2F (∼3.1 eV) to be wider than that of WO3 (∼2.6 eV). It was rendered electron conductive by heating...
NbO 2 F : An oxyfluoride phase with wide band gap and electrochromic properties
[ "Mizoguchi Hiroshi ", "Orita Masahiro ", "Hirano Masahiro ", "Fujitsu Satoru ", "Takeuchi Tomonari ", "Hosono Hideo " ]
https://doi.org/10.1063/1.1489703
2,002
July
"FukATLSiFxrWARm3fdme46X7fF2Ak5vL1BtqS1l2uF190FsdQFJ93ASEu+FQw6fnUBvhAEGuWNxtFnGhelIh832cAEQSbFSmEjOcTPpwUmCC7RiAc06bNQmoudsBJKi5jyw1noqyheniZfNBpG+FQYz22QN5X5HaTsKUjjt6Rjk="
10.1063/1.1489709
<jats:p>We present a simple method using direct laser beam reflection from the MgO substrate of a PBN:65 thin film to measure strain–electric field hysteresis produced by electric field-induced bending. We obtained both the strain–electric field and time–electric field relationships from these hysteresis curves. In add...
Strain-electric field hysteresis measurement in a Pb0.65Ba0.35Nb2O6 thin film using optical reflection
[ "Yang Xi ", "Wood Lowell T. ", "Miller John H. ", "Strikovski Mikhail " ]
https://doi.org/10.1063/1.1489709
2,002
July
"dMnQfgvoFRr7nBD/NXNeci9jfHS0u4NdkFNndVn/8FjZ2FqdSwBd2mae62RZ47Pv0h31YcHs2h2sVFMoaGsxnu2c4LES7VTWCD2gSLpgFHCBfZjAMSOqv4us5NqoAK8oqj63D+Owhe7yxKdxNGOlBM96WAVnUpRjTorSjioSDjg="
10.1063/1.1489712
<jats:p>The impact of metal–oxide–semiconductor processing on strained Si/SiGe device structures has been examined. Material was grown by gas-source molecular beam epitaxy and ultra low pressure chemical vapor deposition, with different as-grown surface roughness. The effects of RCA cleaning, gate oxidation and rapid t...
Effect of metal–oxide–semiconductor processing on the surface roughness of strained Si/SiGe material
[ "Olsen S. H. ", "O’Neill A. G. ", "Bull S. J. ", "Woods N. J. ", "Zhang J. " ]
https://doi.org/10.1063/1.1489712
2,002
July
"csnAXCigExrQiMH/TWteMqf/YHTku/Pf0hN+sFnl/JxexEpdAED8Wia2y+mwEoOnUg/1BdCsnR/rOHWso0hpmG2QoOCX7FaSAz7QKbI0BFiRfZyQY2GKL4mE7ZuLAIuojLs177KijurexIdhvGeGip/yWix9W5UhSALWnnk+Fng="
10.1063/1.1489717
<jats:p>The electrochromic properties of Ni oxide films grown at different working pressures (2.7, 5, 15, and 20 mTorr) by rf sputtering were investigated by means of in situ transmittance measurement and the resulting data were related to the crystallographic structure, surface morphology, and film density. At working...
Microstructural and electrochromic properties of sputter-deposited Ni oxide films grown at different working pressures
[ "Ahn Kwang-Soon ", "Nah Yoon-Chae ", "Sung Yung-Eun " ]
https://doi.org/10.1063/1.1489717
2,002
July
"cstYbKyoMxrfHRH3ZVq+YY3rYDWg8/HblFJjWVnudFxYwEu0YaB93iaV+Wt0ga7rUR1tQUGuX1+pcHEocUKlEX2UqsSWTFaWEzakLPo0E2CBbZ0IE2qYPdmNvd4MIau4jz81j6LypWvCVINhhseGh9/i2Dp7MZQSTELWjj0cTrg="
10.1063/1.1489722
<jats:p>The self-assembled two-dimensional superlattice of octanthiol-passivated Au–Ag alloy nanoparticles is reported in this letter. These nanoparticles show good composition-tunable properties. In the UV-visible spectra, the absorption peaks shifted linearly from the high-energy to the lower-energy side with increas...
Self-assembled two-dimensional superlattice of Au–Ag alloy nanocrystals
[ "He S. T. ", "Xie S. S. ", "Yao J. N. ", "Gao H. J. ", "Pang S. J. " ]
https://doi.org/10.1063/1.1489722
2,002
July
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10.1063/1.1489897
<jats:p>The radial local dynamics in poly(1,4-trans-butadiene) melts is studied using molecular dynamics simulations. In this work, the hopping peak is observed in the Van Hove space-time correlation function Gs(r,t) for the first time in polymeric systems. The hopping motion, observed only for methine hydrogen, is als...
Radial aspect of local dynamics in polybutadiene melts as studied by molecular dynamics simulation: To hop or not to hop
[ "Kim Eung-Gun ", "Mattice Wayne L. " ]
https://doi.org/10.1063/1.1489897
2,002
July
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10.1063/1.1489992
<jats:p>Prospects for the existence and detection of yet unknown dicyanoacetylene (NCCCCN) isomers are discussed, based on quantum-chemical calculations for linear, hexagonal and branched C4N2 structural variants. It is concluded that apart from dicyanoacetylene itself and its two already discovered isomers, NCCCNC and...
Exotic isomers of dicyanoacetylene: A density functional theory and <i>ab initio</i> study
[ "Kołos Robert " ]
https://doi.org/10.1063/1.1489992
2,002
July
"JOhZ7IKhHfzUgUH6eVp+uCbP9RzwL7PXFkdrfTl+uVmI/BkdWBJN3mQdOYCQYqfjAAvxF0GsWh+LGlohSSkpFZW2aYQT7BuOHjVEbLMgFHGFbZ+ASqSoPbuc9dsvgD6gjjcXp+6jLfg6dZd4plcFgM363Kl/ZJJoT/LQjhlaR7w="
10.1063/1.1490396
<jats:p>Iron doped GaN layers were grown by metalorganic chemical vapor deposition (MOCVD) using ferrocene as the Fe precursor. Specular films with concentrations up to 1.7×1019 cm−3, as determined by secondary ion mass spectrometry, were grown. The Fe concentration in the film showed a linear dependence on the precurs...
Growth of Fe doped semi-insulating GaN by metalorganic chemical vapor deposition
[ "Heikman Sten ", "Keller Stacia ", "DenBaars Steven P. ", "Mishra Umesh K. " ]
https://doi.org/10.1063/1.1490396
2,002
July
"YkqIOIKqFJrWDFH5dVMUsyzrRHTgu/HfVEN+/Xnk+Hht8FodQgBt2CadacO2Quqn0wvhhe2sXZ+tAV2peU4x0KGUooEW3F6mErDgSbpihGiAbRwAOSGxl2us/9KNICuozje1X7KipyryLOd5juWkBo762iN/HoAQTMrSjDkYQjg="
10.1063/1.1490598
<jats:p>We propose two realistic schemes for producing electron spin-polarized alkaline-earth ions. One of the schemes is based on one-photon resonant two-photon ionization via fine structure manifolds of triplet states, while the other is based on one-photon resonant one-photon ionization. For both schemes we find tha...
Electron spin-polarized alkaline-earth ions produced by multiphoton ionization
[ "Nakajima Takashi ", "Yonekura Nobuaki " ]
https://doi.org/10.1063/1.1490598
2,002
July
"pGlJforgPE7SxQuzvXpdOC3Dckn0L9uNQJP9Qzj+PUjM2Gq9StRN2mSUfyFw55Tucgv9l/WtDneJklvoiyg1Jyl2oMASZNG+EDRmb/cmwHCB/QioKIQ4PQut6IoMoDihjj03vi44ou+iJYd5tm8nAc2amol7FJBiSBrU9DASBrw="
10.1063/1.1490616
<jats:p>An analytical theory is given for the space-charge-limited (SCL) current of an electron diode in the presence of collisions. It extends the improved SCL current formula, which already takes into account the effect of nonzero electron injection velocities v0, by treating collisions within a simple model, with a ...
Space-charge-limited current in electron diodes under the influence of collisions
[ "Akimov P. V. ", "Schamel H. " ]
https://doi.org/10.1063/1.1490616
2,002
July
"cHkQfhiUklp9mAL/NXte8Sf7cGy0/5vfENM7XYln4VjMyErZYOJFWm6Eu6Gy4qXh0hi9TxOu3MVLcHkse8Mxx3+24tUXzUayHDz0fb5mQF3BTRjAdsCpvimotNivAAgoiit33oqhjf7uVJNppGcMA6+Szap3R5C2ykbcjjo42jo="
10.1063/1.1490622
<jats:p>Highly regio-regular poly(3-hexylthiophenes) (P3HT) thin films have been produced using the Tzrnadel method. They have head to tail counts approaching very close to 100% and high molecular mass. Thin-film transistors and Schottky diodes have been used to study the effects of counter ion and carrier density on f...
Conduction processes in conjugated, highly regio-regular, high molecular mass, poly(3-hexylthiophene) thin-film transistors
[ "Raja M. ", "Lloyd G. C. R. ", "Sedghi N. ", "Eccleston W. ", "Di Lucrezia R. ", "Higgins S. J. " ]
https://doi.org/10.1063/1.1490622
2,002
July
"VFkRH6CqFx7wFFH6ZVNf86czUFS0vfHdFBcvuXl57FzP+Eq9U2Rl2mb2G8G60qfjUwn5QViMGB8MIFKyaWgxmq0WSsUTxVKmGjuYbLolFFiBXRiAOCGKPYuN/9oBQIqojj+V38qnh2raVJNxr/YIl53ySCtnQ5VST8LUnms6Tjg="
10.1063/1.1491007
<jats:p>High-resolution transmission electron microscopy and digital image processing were used to investigate in detail the structure of porous silicon (PS). It was found that PS is composed of rounded Si nanocrystals with characteristic sizes between 21 and 80 Å, embedded into an amorphous matrix and with no preferen...
Direct determination of grain sizes, lattice parameters, and mismatch of porous silicon
[ "Martı́n-Palma R. J. ", "Pascual L. ", "Herrero P. ", "Martı́nez-Duart J. M. " ]
https://doi.org/10.1063/1.1491007
2,002
July
"dOnUeKyomxLalXH89fIQMKb5QPaUZ9LLwIds+3n/PVxP7CddWnBt3i6di2Dw8aehUYn5F9DMG9/uLF0oy2qdGTmYoMATzUaGErKgaaoyNFGAf5SAAYGqrMkc+R8DJLErDqk1r+pKjGrm1dNov2YmS4/wWCp3VZDybLPUHjw7Cng="
10.1063/1.1491013
<jats:p>BN/C nanotube superlattices are quasi one-dimensional heterostructures that show unique physical properties derived from their peculiar geometry. Using state-of-the-art ab initio calculations, we show that BN/C systems can be used for effective band-offset nanodevice engineering, polarization-based devices, and...
Electronic and field emission properties of boron nitride/carbon nanotube superlattices
[ "Meunier Vincent ", "Roland Christopher ", "Bernholc J. ", "Nardelli Marco Buongiorno " ]
https://doi.org/10.1063/1.1491013
2,002
July
"OGhQ/oKgHxjekRE7VVtfIa1/fVaEN+lfBNNfN3lvuVnN+EpdWEZt3iYF6+Ew4qVnUg/xFfGtWk8MUly4+m4w0BUW4KUXzVesGrbMaL82JXGBfZWASESoP4mptMomIAogjDs1r8rmh+viRNNzpu0lk03aXKh3RtPiT4LWrn4ejjw="
10.1063/1.1491020
<jats:p>Cuprous oxide quantum particles as small as 2 nm (comparable to the Bohr exciton radius) were synthesized using an electrochemical route. Quantum confinement effects are evident from a blueshift in the optical absorption. The optical absorption spectra of Cu2O nanoparticles of different sizes are discussed. Str...
Synthesis and properties of Cu2O quantum particles
[ "Borgohain Kavita ", "Murase Norio ", "Mahamuni Shailaja " ]
https://doi.org/10.1063/1.1491020
2,002
July
"JvvVbLqkG4bWiQTzf3KU+YX/dNfwl9NFFts+exn+YVRO0Rs9ElTJ3ySFSakw4qXjcNrxgkHsTtVsM3ckW2sNsT2eqAMXRVuJGjPIf5smBFTD/hwAI0KqKYmMu6oMILohjje1n6pmrOn2VdNo5+8Hy8/xkoR9EINCTjOURXkeRzg="
10.1063/1.1491176
<jats:p>Measurements of the electrical response of granular Sn-Ge thin films below the superconducting transition temperature are reported. The addition of an external noise to the magnetic field applied to the sample is found to increase the sample voltage response to a small externally applied ac signal. The gain coe...
Observation of stochastic resonance in percolative Josephson media
[ "Glukhov A. M. ", "Sivakov A. G. ", "Ustinov A. V. " ]
https://doi.org/10.1063/1.1491176
2,002
July
"UGkATq70Nwr0GBBzdSDdMoX7ZDTQn/fJklcudblusVxH0ApZbmRNGy6EeWyy8qan0g/wR+esSc0BKzoweVE5UnGU4LDS5Ve2HDWkYO8mEPnx/4xAIYKo6y2Os5iRYi+Jin81z4qgjm/ytJd8J64lhp3afg13UvPSSsPUhroeBjw="
10.1063/1.1491179
<jats:p>The current-voltage (I–V) characteristics of a metal–molecule–metal structure are investigated under the condition that electron tunneling occurs only via a single molecular level of arbitrary degeneracy. A system of kinetic equations taking into account the accumulation of charge on the molecule is solved, and...
Manifestation of Coulomb blockade effects at an arbitrary degeneracy of the levels of a molecular contact
[ "Klymenko Yu. O. " ]
https://doi.org/10.1063/1.1491179
2,002
July
"ZmkAbiq0FhrcmBV7V3ISs7379DTwv+PXBBMccflm6VnFwA65QdJt3mys+OCwUqXj0hx1AsmuSAULMlAve0V1Wr02YqQW1V+sGDz0WbQEBnGF/ZzgYsCJvwOotdIFADqsjz/135qjpPjyFJNtoCwpht3aWCp+W7EwRuLUjnoTTrg="
10.1063/1.1491188
<jats:p>The reversible structural transformation of the hysteretic type observed previously by the authors in the In–4.3 at. %Cd alloy on low-temperature thermocycling is investigated further. In the hysteresis region (150–290 K) a pronounced instability of the macroscopic characteristics of the alloy is observed, whic...
Kinetics of the low-temperature structural transformation in the In–4.3 at. % Cd solid solution
[ "Lubenets S. V. ", "Natsik V. D. ", "Pal-Val L. N. ", "Pal-Val P. P. ", "Fomenko L. S. " ]
https://doi.org/10.1063/1.1491188
2,002
July
"dGkYTIrkMRrQmlR/dXNYE4/3ZLS0q+OPRkN1edm8sdhP0FcdHAhd3kwF7mSxk7/v0A9xY9Gu24uoAn542UkBxD2cIsAWzFyWnj/iebtwRkiBdYzYM+Kpzbms59sMICkYjuI1H/q6rPzyF9NsNmOiAt/4eo12UbSYSJvUhrkSVj4="
10.1063/1.1491278
<jats:p>In this article we report the role of excess interstitials in the end-of-range region in transient enhanced diffusion of boron during annealing of laser-processed samples. The results show that although the amorphous layer in preamorphized silicon can be completely annealed by laser irradiation, the end-of-rang...
Control of transient enhanced diffusion of boron after laser thermal processing of preamorphized silicon
[ "Chong Y. F. ", "Pey K. L. ", "Wee A. T. S. ", "Osipowicz T. ", "See A. ", "Chan L. " ]
https://doi.org/10.1063/1.1491278
2,002
July
"EEkAXB7mER7WjLG6NXtRoaf7YPT0q9fH0BdO81lxtFhP8E4dQwBJ2mafW+iwo6Vn2gnZONytXw/rYEWpcSopHC2Q4NQS5VS2kD/wacJyQnjR3pzAJbCKrRmm/JsHMImojio3zZqqhuvyZLtgDWYuF//4jA9rVdTwTkOQngk6Qik="
10.1063/1.1491281
<jats:p>( La 0.7 Sr 0.3 MnO 3 ) 1−x ( La 1.85 Sr 0.15 CuO 4 ) x  [(LSMO)1−x(LSCO)x, x is the weight fraction] composites were prepared by mixing the sol-gel-derived LSMO and LSCO powders. Negative magnetoresistance (MR) is observed for all samples at temperatures above the superconductive Tc of LSCO and for the samples...
Tuning between negative and positive magnetoresistance in (La0.7Sr0.3MnO3)1−x(La1.85Sr0.15CuO4)x composites
[ "Li Xiao-Hang ", "Huang Yun-Hui ", "Wang Zhe-Ming ", "Yan Chun-Hua " ]
https://doi.org/10.1063/1.1491281
2,002
July
"VvkNXq7guwr5EPx/ZUvcMwzzcOzgk9tnhlN2f3n+0DxNyEu9CyTN+i6FS2D60rTv8h/gA/SunVRlIns0WVAzdBVQqOAX5VWeHLGgabN2FHCD/RCqI06Ip6yc+xqLICiJjzY3n4LyC27iRP94reYjgq3YxQl3XNJYSILWjjC+7jg="
10.1063/1.1491297
<jats:p>We report low-threshold, blue amplified spontaneous emission (ASE) in a statistical copolymer, poly(9,9-dihexylfluorene-2,7-divinylene-m-phenylenevinylene-stat-p-phenylenevinylene) (CPDHFPV) and its blend with poly(9-vinylcarbazole) (PVK). PVK and CPDHFPV acted as the donor and the acceptor of the Förster-type ...
Low-threshold blue amplified spontaneous emission in a statistical copolymer and its blend
[ "Lee Tae-Woo ", "Park O Ok ", "Choi Dong Hoon ", "Cho Hyun Nam ", "Kim Young Chul " ]
https://doi.org/10.1063/1.1491297
2,002
July
"cE2YToSimwrSBRH6PdF0+yX3QVSAttPLFJNiekl2YFjc+Eu9QABt2maXG3AQYqPh0pnlA1msOx8NAHsha2ohkbkW6tQTxFamCDCIfdpmCHSDfR4AK4DKPMyMststED64zj83r4qip+jSFKd7pscNBM32ngp/TpNoRuKQ/gpSTjo="
10.1063/1.1491299
<jats:p>The investigation of As desorption from the (001) InP during metalorganic chemical vapor deposition was performed using surface photoabsorption (SPA). The behavior of the monochromatic SPA signal showed a clear existence of a metastable state after the AsH3 was turned off. SPA spectra at each stable surface wer...
Two-step As-desorption from (001) InP observed by surface photoabsorption
[ "Kim T. J. ", "Ihn Y. S. ", "Seong G. Y. ", "Kim Y. D. ", "Lee T. W. ", "Hwang H. ", "Yoon S. ", "Yoon E. " ]
https://doi.org/10.1063/1.1491299
2,002
July
"cMvAXIigE176h0n/PTMZ843vcNj0p/HLVBsa1dn8qNjM2EobCsBl2mSXG6gwcqeqcgv5FFitGJfLNmUt62op0O2WoNQS7VmKEjpQLek2RGGE/ZwgAWOzryut/rItABmozi81vaqoJPPylKdpls4OA966Gqt/VbRgTlvU3D0TDgg="
10.1063/1.1491403
<jats:p>Interaction between HKrCl and N2 is investigated in a low temperature Kr matrix and by using ab initio calculations. Two configurations of the HKrCl⋯N2 complex are found both computationally and experimentally. The complexes show large monomer-to-complex blueshifts (+112.9 and +32.4 cm−1 experimentally) of the ...
Large blueshift of the H–Kr stretching frequency of HKrCl upon complexation with N2
[ "Lignell Antti ", "Khriachtchev Leonid ", "Pettersson Mika ", "Räsänen Markku " ]
https://doi.org/10.1063/1.1491403
2,002
July
"9OmUzo7mGRv5FXFZfWpeuC3rYGywJvvRVFN8SZl+uF080BsdEBpdXmSc+2DwwnXj0gvpl2GsXh9PvE35W0EhgR22YIQU7VauFDUUbNSmFDCDb5+gcuSLPcmd8dqMoDqIjmIXrsrvjf6ihNdwom8sQ42a3il/SKFIScrUhjoD6jg="
10.1063/1.1491589
<jats:p>A catalyst powder was prepared by adsorption precipitation of iron acetate on a SiO2 support at a controlled pH. The selective reduction of this powder in a N2/C2H2 atmosphere at 700 °C generates multiwall carbon nanotubes. The study by x-ray diffraction and Mössbauer spectroscopy of the catalyst and reduced po...
X-ray diffraction and Mössbauer characterization of an Fe/SiO2 catalyst for the synthesis of carbon nanotubes
[ "Coquay P. ", "Vandenberghe R. E. ", "De Grave E. ", "Fonseca A. ", "Piedigrosso P. ", "Nagy J. B. " ]
https://doi.org/10.1063/1.1491589
2,002
July
"LOiUzCKtPBjYgWH7X3N1Yy//yNz1J/nfFkc/K/t3vFgt2FsdGY/v3gacCeLwkqTn0g/xg3HvXs8vMm21WGCwajsaIJAV3VKUErOcSLAyZUCIfI6wGkGxJYieqUqJMKmpvjM3h87Wlnv6xdf0hkYmA43p3ol3ZpDQTJLSJbweRjg="
10.1063/1.1491610
<jats:p>The effect of vicinal substrates on the growth-induced perpendicular magnetic anisotropy of epitaxial CoPt3 films has been studied. A small (2°, 4°, or 10°) miscut angle of the vicinal substrate causes the crystallographic axes of the sample to be tilted along the miscut direction. The magnitude of the perpendi...
Miscut-angle dependence of perpendicular magnetic anisotropy in thin epitaxial CoPt3 films grown on vicinal MgO
[ "Maranville B. B. ", "Shapiro A. L. ", "Hellman F. ", "Schaadt D. M. ", "Yu E. T. " ]
https://doi.org/10.1063/1.1491610
2,002
July
"hkOYXIi0HYrxm5v99TPQM69/6GSg8eNKVFM/vVv8/BjJ2Er9QSds2i4MS+GQkLPn0w1xRXSs3scNIlwQeEgxRPUYIZEf3VSEELmEY7MwJ9iEXZWIE0GYr6Os7FuJJauopzcnb8qwh/7iBPdttOXrA5/aHAt/XLBQTYrWBjo+Djg="
10.1063/1.1491612
<jats:p>The influence of several design parameters on the temperature stability of the emission wavelength of 980 nm GaInAs/(Al)GaAs quantum-dot lasers was studied. The results obtained agree well with a simplified model based on the inhomogeneously broadened transitions of a quantum-dot ensemble. Using this model, the...
Correlation between the gain profile and the temperature-induced shift in wavelength of quantum-dot lasers
[ "Klopf F. ", "Deubert S. ", "Reithmaier J. P. ", "Forchel A. " ]
https://doi.org/10.1063/1.1491612
2,002
July
"cEOQXobom85yiYP/tXPVcKfHcXSip+ObVJt/fdkvvlxcxFpdcEbNXC6N++G05oPlMAvpD1Wf7hVtsFsky0Pw6QmcasF23FKkFjAAbcsmaPGJ9ZYAcQCqGMmuJpovAB8ijimnrJqohfqiFKNrNu00AcSaZqt5DrJQW8LUnn4TXnw="
10.1063/1.1492004
<jats:p>Directly written embedded structures created within fused silica by a femtosecond Ti:sapphire laser are observed to strongly reflect blue light. Reflection emerges only in a direction parallel to the polarization axis of the writing laser. This anisotropic-effect is caused by a periodic modulation of refractive...
Embedded anisotropic microreflectors by femtosecond-laser nanomachining
[ "Mills John D. ", "Kazansky Peter G. ", "Bricchi Erica ", "Baumberg Jeremy J. " ]
https://doi.org/10.1063/1.1492004
2,002
July
"MFnBXJDqED56hRn5N1N2e2XLcPX0v8PNVJN223n19lns0AqVQwRd2mafm2AQ4aDmkYnxB2y+t9eLxFQhyGA1MfGUaJESxFaCEDqCaaIiMnjJ+QyAG8Sova2s6NosJauwqjw1BfriJ+jiRKNppmuGA826GI9zU9VQRZ/QFis8Tj4="
10.1063/1.1492006
<jats:p>Changes in the polarization–field hysteresis loop were systematically investigated for Pb(Zr0.4Ti0.6)O3 capacitors after forming gas annealing at 200 °C. Voltage shift in hysteresis was strongly dependent on the polarization states and ascribed to an asymmetric distribution of defect charges and pinned defect d...
Mechanism of low temperature hydrogen-annealing-induced degradation in Pb(Zr0.4Ti0.6)O3 capacitors
[ "Seo Sunae ", "Yoon Jong-Gul ", "Song T. K. ", "Kang B. S. ", "Noh T. W. ", "Lee Y. K. ", "Kim Ch. J. ", "Park Y. S. " ]
https://doi.org/10.1063/1.1492006
2,002
July
"UujQTKbgMxrwkBh3NXNe061zaPymOZGdkFNtOfn78Bze2Fo9UQRdWkaWe2GRka/v1g3xQ9Cu3IfsmiSt40wx1G0WINAS1FbmET6gafoyBHiB3TDIIAGBrYmoptqJIKGcj6cXbYqyRuv2FLdgJEajF51qXCN3Q7RiTUrUhisSTro="
10.1063/1.1492304
<jats:p>This paper concerns a scanning probe capable of simultaneously measuring topography and local electrochemistry at a sample surface. Our approach ensures the distance regulation of the electrode by maintaining a fixed working distance between the probe and the sample surface independent from the electrochemical ...
Integrating micro- and nanoelectrodes into atomic force microscopy cantilevers using focused ion beam techniques
[ "Lugstein A. ", "Bertagnolli E. ", "Kranz C. ", "Kueng A. ", "Mizaikoff B. " ]
https://doi.org/10.1063/1.1492304
2,002
July
"9unCDKjsEzLJm918fUGHcoUrWXXUu/ndlBc8+3n+8F198EudQYh9WmSM0alwU6TvEw/1BECsGw8splGve2p1Gv2Q8LIStNS+ELCobKgyIHCF37mAI6Cz7ZsM7FqPALvpz7a/XYoqnW7yRZf1Li2lAt+LkiNvN6RgTN6SRriSbjk="
10.1063/1.1492868
<jats:p>A SiGe/Si multiple-quantum-well resonant-cavity-enhanced (RCE) photodetector for 1.3 μm operation was fabricated using bonding reflector process. A full width at half maximum (FWHM) of 6 nm and a quantum efficiency of 4.2% at 1314 nm were obtained. Compared to our previously reported SiGe RCE photodetectors fab...
SiGe/Si resonant-cavity-enhanced photodetectors for 1.3 μm operation fabricated using wafer bonding techniques
[ "Li Cheng ", "Huang C. J. ", "Cheng Buwen ", "Zuo Yuhua ", "Luo Liping ", "Yu Jinzhong ", "Wang Qiming " ]
https://doi.org/10.1063/1.1492868
2,002
July
"cEjBfIzKmxryiYH6NWNU8qX7UnRyPtHRUZt+XhhtOHxc4IpZUGBN2mYWy/mQ0qfvkhvlReWsvxeJmEUtq1kxtbGU4PETzVf2FnRAa9o2BHTLbZayHwSCCcy8OfoPAT+gji01rIqnjdLmhPNxZu8HAJz2eC55XpBoRmJevlscDjg="
10.1063/1.1493224
<jats:p>A characterization of the electrical and thermal properties of thermoelectric diode structures indicates that the figure of merit for thermal to electrical energy conversion is significantly enhanced in our devices over thermoelectric values. Enhancements are due to current injection and blockage of the ohmic r...
Enhanced figure of merit in thermal to electrical energy conversion using diode structures
[ "Hagelstein P. L. ", "Kucherov Y. " ]
https://doi.org/10.1063/1.1493224
2,002
July
"VUsAXqakOxpWmVD/dWsVMYdzcGQkK/PPFlN9e1Et4VzIwErdqiJtWu6V66HygqfI0yjxR9GsWAUMMl88+2iwlR02auGS3VamGjjAadoEUX2BbRiAQ+OqMS+o/JorKCiojj81noKhrPjmVNNhNO4sh61wSrt3QtAwT8LUjjyeDjo="
10.1063/1.1493665
<jats:p>Using a femtosecond three-pulse pump-probe technique, we investigated spectral hole-burning and gain recovery dynamics in self-organized In(Ga)As quantum dots. The spectral hole dynamics are qualitatively different from those observed in quantum wells, and allow us to distinguish unambiguously the gain recovery...
Gain dynamics and ultrafast spectral hole burning in In(Ga)As self-organized quantum dots
[ "Kim K. ", "Urayama J. ", "Norris T. B. ", "Singh J. ", "Phillips J. ", "Bhattacharya P. " ]
https://doi.org/10.1063/1.1493665
2,002
July
"0EvBXpSgk4pSjQB/MSH3uy/TUFSy5uGLVJPubbl3/lvO1EqdcFRNXCafueGQ56/hwin5B1i/8ZQNsXoC6Ehxx+GU6NE+3lImD3pgLdMuSnGJ2ZSAYASqHImsosovAL6gjj21vZqoh2rmBINr5O4kAc7aECt3RvLST8LQ3noC3jw="
10.1063/1.1494107
<jats:p>We report the application of pump-probe second harmonic generation (SHG) to monitor spin dynamics in nonmagnetic semiconductor heterostructures. Spin-polarized electrons were selectively excited by a pump beam in the GaAs layer of GaAs/GaSb/InAs structures. However, the induced magnetization manifests itself th...
Ultrafast spin dynamics in GaAs/GaSb/InAs heterostructures probed by second harmonic generation
[ "Glinka Yu. D. ", "Shahbazyan T. V. ", "Perakis I. E. ", "Tolk N. H. ", "Liu X. ", "Sasaki Y. ", "Furdyna J. K. " ]
https://doi.org/10.1063/1.1494107
2,002
July
"UENEXIL4GC7YlJb/NWldcQ/TaFSyjuPLEJc/c3l+8F3cyEpdWlTtWiav+6CwUaXj0g/05/Ss3lWtPls46GsgQiW26KkXxFqeEjHAqfBkQHCB/YgAMOJqP4GI4oqNIDukij83n7qghvPiNIdppnwnAp2aiIp3VZJgS4rQjjgKArg="
10.1063/1.1494108
<jats:p>Switching functions using a parallel connection of conventional-type and π-type junctions have been investigated. Both junctions consist of Nb/Au/YBa2Cu3O7−δ Josephson junctions on YBa2Cu3O7−δ edges, whose faces are (110) and (100). The modulation patterns of critical currents in low magnetic fields indicate th...
Switch using <i>d</i>-wave symmetry of YBa2Cu3O7−δ Josephson junction
[ "Enomoto Youichi ", "Nishihara Tomohiro ", "Myouren Hiroaki ", "Takada Susumu " ]
https://doi.org/10.1063/1.1494108
2,002
July
"0ngATqrEHZrQGFR/dRLYcwVzcC30n9cPEFMm/xlnYURL2IrdWkRNHG4UemCy0r3n0ljghXWu3ERoZlok+0Y5UgW26KESxF6+HT3kabdmN2HD3bDAIAiKv7yot9s5ACqcgyf1n4qgrf/yJJNspp8LAs3YaA12UtFoa2LWhjq8Lzo="
10.1063/1.1494425
<jats:p>We apply a Monte Carlo technique specialized for the simulation of rare events to study the activated counterions motions in the aluminosilicate Na+-mordenite. Mean activation barriers are obtained from minimum energy paths calculated on realistic potential energy surfaces by using a Metropolis algorithm. Energ...
Activated cation motions in zeolites
[ "Maurin G. ", "Devautour S. ", "Henn F. ", "Giuntini J. C. ", "Senet P. " ]
https://doi.org/10.1063/1.1494425
2,002
July
"dHkMLojgPB7bkCn7dVoaww3r1EyQtfeXhBe4uxh++UnO0EqZaBR9mkSFWxxxgr5noA75QtGsG0nJPl66Wgl1HD824OZThVKaELK0bLUyQECH/ayAM8EptwiNsIsJIKCh/r+1rR6rrmr2Jf9kJuc3x436lS52XZJ2DKKUHjIwxvg="
10.1063/1.1494457
<jats:p>A detailed analysis of intersubband electron scattering transport in GaAs/AlGaAs quantum cascade lasers (QCLs) is presented, using a full self-consistent rate equation model. Our approach includes all relevant scattering mechanisms between injector/collector, active region and continuumlike states in the cascad...
Influence of leakage current on temperature performance of GaAs/AlGaAs quantum cascade lasers
[ "Indjin D. ", "Harrison P. ", "Kelsall R. W. ", "Ikonić Z. " ]
https://doi.org/10.1063/1.1494457
2,002
July
"XUEAXIaoi87ygIdftWhn8CXbcESIr+PLUpM/dQlu+HnM3FrZeHJtWi4l++G0coVh2ij5RVWMSoUhMhsYS06gxg0U4NUWxFP2FLRIbduGQHmbXZuAcWTqGqic+NquIJ+goi+3rtrgh+KmBIN5dE4OAY3Yxg5/RJBwTkLWnjgfSjg="
10.1063/1.1494462
<jats:p>A laterally driven electromagnetic microactuator (LaDEM) is introduced, and a micro-optical switch is designed and fabricated as an application. LaDEM offers parallel movement of the microactuator to the silicon substrate surface (in-plane mode). Polysilicon-on-insulator wafers and a reactive ion etching proces...
Development and application of a laterally driven electromagnetic microactuator
[ "Ko Jong Soo ", "Lee Myung Lae ", "Lee Dae-Sik ", "Choi Chang Auck ", "Tae Kim Youn " ]
https://doi.org/10.1063/1.1494462
2,002
July
"VsHQfILusd56nlV+NfFXMmfjWGXA88W7wBNyXH3ksH3NwA6fQUBN2maviWAY0oJvkirlp/Gv3y9vSFkF6cgRnX2UYgEa5Vb8FrSgaNpmIHSBfZjQO+KbvQ2c7RmJAI+ojjq3/JKqjXbiRLdhLs+EA7/63g15H7BgR3vWniIUbrg="
10.1063/1.1494853
<jats:p>High-quality epitaxial films of LaCuOS, a wide-gap p-type semiconductor, are grown on yittria-stabilized-zirconia (001) or MgO (001) single-crystal substrates by a unique method. Postannealing of a bilayer film composed of an extremely thin metallic copper layer and an amorphous LaCuOS layer at 1000 °C results ...
Heteroepitaxial growth of a wide-gap p-type semiconductor, LaCuOS
[ "Hiramatsu Hidenori ", "Ueda Kazushige ", "Ohta Hiromichi ", "Orita Masahiro ", "Hirano Masahiro ", "Hosono Hideo " ]
https://doi.org/10.1063/1.1494853
2,002
July
"cslcXK7gHwr/jBF69VtU8SXrZPSko9nD3Il+VVnsLHwP0Nq9UnDF3CaF69jw4rbncg7lB/Es3tsNMFmEa0o1EZ2WqMCXJVeeEDCES/pmFHiBWZyAQQOIrai4/9qFICmsjj+1zKKip7rihMd4l+cLgd3y2AN5FoIQTKLWDikaTjg="
10.1063/1.1494858
<jats:p>We report on an approach of using AlN/AlGaN superlattices (SLs) for threading-dislocation-density reduction to grow high quality thick AlGaN on sapphire. Using x-ray diffraction (XRD) measurements and etch pits counting by atomic force microscopy, we show that the insertion of AlN/AlGaN SLs suppresses the mater...
AlN/AlGaN superlattices as dislocation filter for low-threading-dislocation thick AlGaN layers on sapphire
[ "Wang Hong-Mei ", "Zhang Jian-Ping ", "Chen Chang-Qing ", "Fareed Q. ", "Yang Jin-Wei ", "Khan M. Asif " ]
https://doi.org/10.1063/1.1494858
2,002
July
"cEkVeIriE1rTjNW+VEt0tW/zcOfQ4+nL0AN2fHH0uBjM0FodyiDsWi6Vm+Hy4uan0gvhh8Wu35+oMXi560oxFE2Q4oMW/F4+EDCAYYo2eHHDfRxAAWerlaiE/toNAYuwjjo33PLgpariRNdB9OcmC87zXCV+VrIgTYrWnjk4Vjg="
10.1063/1.1495081
<jats:p>We have developed an imaging method for locating isolated nonlinear scattering source(s) in solids. It relies on extracting the nonlinear response of a solid by modulation of a high by a low-frequency wave, and employing moving-window, synchronous detection. The resulting image consists of nonlinear wave reflec...
Sensitive imaging of an elastic nonlinear wave-scattering source in a solid
[ "Kazakov Vyacheslav V. ", "Sutin Alexander ", "Johnson Paul A. " ]
https://doi.org/10.1063/1.1495081
2,002
July
"VetEPKjig675mZX2dclcegTTZFWEn/qbUAN2fRl+913M0AsNQAhdWEadeWxR4bTkSI3xI/SsHlaJoFstSXgxXTGU4NAT51qeEDiIKfpisPiT3ZzAIKCqr62I49qIpKvpmya3D/DirG7iZJ9lKmsmQ9+6m4h2F9JYTJLSjqIWbj4="
10.1063/1.1495085
<jats:p>Iron nanometer-scaled wires and ultrathin films have been successfully prepared on an insulating NaCl(001) single-crystal surface by electron beam deposition using different growth conditions. In situ noncontact atomic force microscopy (NC-AFM) shows that the heights and widths of the wires, which are formed by...
Growth of low-dimensional magnetic nanostructures on an insulator
[ "Gai Zheng ", "Farnan G. A. ", "Pierce J. P. ", "Shen J. " ]
https://doi.org/10.1063/1.1495085
2,002
July
"RmmQ3IjkHx7djFHzVGtVs6/76DWBtfHbVAcvEXn2cFiN0EtdWRRtfgycy2mwUrfnUh/hhEXsSgcJN0y8eUI1eLUWIJAXtVKeGTTEYfhmJVGAfJBiMmWppam8/NrMIiup5zc9X4qypnr2ZfZhjsUmA4/Y3Ad/FrRAS4rWjDmWRzg="
10.1063/1.1496140
<jats:p>We investigate the electrical and optical properties of GaAs/AlAs superlattices (SLs) in which a thin (⩽1.2 monolayers) InAs layer is inserted in the central plane of each GaAs quantum well. The InAs layer modifies the structure of the SL unit cell and provides an additional design parameter for tailoring the e...
Tailoring the electronic properties of GaAs/AlAs superlattices by InAs layer insertions
[ "Patanè A. ", "Sherwood D. ", "Eaves L. ", "Fromhold T. M. ", "Henini M. ", "Main P. C. ", "Hill G. " ]
https://doi.org/10.1063/1.1496140
2,002
July
"VUEEXgCqFkr2mYJ6tWNdcC33UGSApcXrlVs/d3ll2D3MyMqZctJs2i4Fu+OwUufhUgvxBXWs3hcpcNihIkqyQrWWYMETzVeiGrAoba9GEHmJ/Z2gUGyCn4m8vNovAAMgjC+1nqrgh+PORMNpJO8PBd3Q0I57RNFwS8LEnl8/jjg="
10.1063/1.1496468
<jats:p>The adiabatic ionization potential of methylene has been determined to be 83772±3 cm−1 from a rotationally resolved photoelectron spectroscopic study of the CH2+ X̃ 2A1 (0,0,0)←CH2 X̃ 3B1(0,0,0) transition. This value was used to determine thermochemical quantities such as the 0 K dissociation energy of the ket...
The ionization energy of methylene (CH2) from a rotationally resolved photoelectron spectrum and its thermochemical implications
[ "Willitsch S. ", "Imbach L. L. ", "Merkt F. " ]
https://doi.org/10.1063/1.1496468
2,002
July
"dGmRbKqhGl50UFHbPVocgc/NRVzwN5HRFUcdXdlf7F3NeBkdCIodzkyeaWDQQrfr0Ajh48soWBvNhF6sSygpCY+2IMVUz1CWGDwQbNMkQVSBPZ6IYaG5fauMxc+toaiZwigWrqKjDurydbZ9hnYGg4f6Xi15b4A0aJLWDL4bbrg="
10.1073/pnas.072071199
<jats:p> Ovine scrapie is a fatal neurodegenerative disorder that may be transmitted through exposure to infected uterine and placental tissues. Susceptibility to scrapie is primarily controlled by polymorphisms in the prion protein (PrP) gene. Scrapie in the U.S. Suffolk breed and in many breeds in Europe ...
Pregnancy status and fetal prion genetics determine PrP <sup>Sc</sup> accumulation in placentomes of scrapie-infected sheep
[ "Tuo Wenbin ", "O'Rourke Katherine I. ", "Zhuang Dongyue ", "Cheevers William P. ", "Spraker Terry R. ", "Knowles Donald P. " ]
https://doi.org/10.1073/pnas.072071199
2,002
July
"980VfYyheZTjKPHVbWJ0ucZlwbVXN/9BFGci3nH99HyB8AudUyZZXG6PSym8wr2rcMitpwWuuqepIn+sCGg5k6keCtS3zHi/kbO0eb62CnD9WbzhSIGuPZiG7VrMBSm4niIfHYdEnksiRZ9wAjYSC9U4mC13O7Lx8EPUVfgaBro="
10.1073/pnas.082544799
<jats:p>The main advantage of confocal microscopes over their conventional counterparts is their ability to optically “section” thick specimens; the thin image slices thus obtained can be used to reconstruct three-dimensional images, a capability which is particularly useful in biological applications. However, it is w...
Adaptive aberration correction in a confocal microscope
[ "Booth Martin J. ", "Neil Mark A. A. ", "Juškaitis Rimas ", "Wilson Tony " ]
https://doi.org/10.1073/pnas.082544799
2,002
July
"lM3BfBzmkZzAi4/fdUF2fyTZxGTE59OLFINm2nlsPFAM0E+dwUTNWmaGWSlQ96viEI89lRWsvwcpoF2tjVgBDBuZoNAT1Va+EjnWbUJicHCF/ZyAZwS6Pbuf6JmvMLu23je3n+gajWjkVJdBZi8BIc+/egp9FPJ4SNtSDr0LZjk="
10.1073/pnas.092271599
<jats:p> Understanding molecular mechanisms that control cell fate in the shoot apical meristem is a fundamental question in plant development. Genetic and molecular studies demonstrate that maize KNOTTED1 (KN1) of the TALE (3-aa acid loop extension) class of homeodomain (HD) proteins is involved in shoot a...
Selective interaction of plant homeodomain proteins mediates high DNA-binding affinity
[ "Smith Harley M. S. ", "Boschke Ilja ", "Hake Sarah " ]
https://doi.org/10.1073/pnas.092271599
2,002
July
"tuud/I7ul5DpTkFTTSp0tA1twyzkNtth1U9kW3v/vVzN0AsdSyRtXmYfU/CQQrSv5kxshz6hT7MqYU25wUgpkJ+UCoAezQXukzQk2/40BGGJU97SYqCOLIuG7tOtJRvY1gs/PNJhhujyRYd4BubEA52SCI9/BLMjTYjUxDh75nw="
10.1073/pnas.092278099
<jats:p> In instrumental learning, Thorndike's law of effect states that stimulus–response relations are strengthened if they occur prior to positive reinforcement and weakened if they occur prior to negative reinforcement. In this study, we demonstrate that neural correlates of Thorndike's law may be obser...
Neural correlates of instrumental learning in primary auditory cortex
[ "Blake David T. ", "Strata Fabrizio ", "Churchland Anne K. ", "Merzenich Michael M. " ]
https://doi.org/10.1073/pnas.092278099
2,002
July
"UGIFforAmJ5EANf37XP86RVNDETUl/OHHtdWej1+dxTi0AmZYyttGi6XOdczMr+vWByhJw2s2w2opBopMGl5l+EWKtB711buAbDIaJI2QtntEQzBZgy67YmJ7hh8JDbIyMc1/7KejWjTRB/5OU9cEl2aEKp/JZLQTiPWjusfFrw="
10.1073/pnas.092694199
<jats:p>Some ants have an extraordinary social organization, called unicoloniality, whereby individuals mix freely among physically separated nests. This type of social organization is not only a key attribute responsible for the ecological domination of these ants, but also an evolutionary paradox and a potential prob...
Evolution of supercolonies: The Argentine ants of southern Europe
[ "Giraud Tatiana ", "Pedersen Jes S. ", "Keller Laurent " ]
https://doi.org/10.1073/pnas.092694199
2,002
July
"8eAIfAilPBbogPH3zTt1ccbtpZc0N/nBflMmSb/+51yi0At5QyRvXCSVK/3y0rXv0E+FNgmOyckDYl6mUF4NlDkaD8IzBR2Wk5U06NUyJtmdUhWIW6QMLIiApCtLpD6gjqc1U5jIj2nyTZ3oIufWg13OnK1/LbPh26JUjHgfBzw="
10.1073/pnas.112202799
<jats:p> A <jats:italic>Saccharomyces cerevisae</jats:italic> microarray expression study indicated that an ORF, <jats:italic>YER044C</jats:italic> , now designated <jats:italic>ERG28</jats:italic> , was strongly coregulated with ergost...
Protein–protein interactions among C-4 demethylation enzymes involved in yeast sterol biosynthesis
[ "Mo C. ", "Valachovic M. ", "Randall S. K. ", "Nickels J. T. ", "Bard M. " ]
https://doi.org/10.1073/pnas.112202799
2,002
July
"sUuNfIzD+xTwDpNVYXZ0pWVhxRrUZ5XwVFFkW3Pr9VyN8AsdQlRdXiQVW+zQU7CrV825hUSEQweLIn6NRCp5EBuWKMAYxVnYEzWge7cmSPOZvZzCYQCMNouP71usBRiYygM3PxBLltjiVbcUImSGA/WaGJdxb6DhSVzWHvkbRqU="
10.1073/pnas.132142799
<jats:p>The mechanism of pI258 arsenate reductase (ArsC) catalyzed arsenate reduction, involving its P-loop structural motif and three redox active cysteines, has been unraveled. All essential intermediates are visualized with x-ray crystallography, and NMR is used to map dynamic regions in a key disulfide intermediate...
All intermediates of the arsenate reductase mechanism, including an intramolecular dynamic disulfide cascade
[ "Messens Joris ", "Martins José C. ", "Van Belle Karolien ", "Brosens Elke ", "Desmyter Aline ", "De Gieter Marjan ", "Wieruszeski Jean-Michel ", "Willem Rudolph ", "Wyns Lode ", "Zegers Ingrid " ]
https://doi.org/10.1073/pnas.132142799
2,002
July
"FOsZboSQfVjgnWF5Y2I1PQVvRBzUJrnztBV0a/n/tFjc0EudDKBNXmbVasHzQ7erUAqNhkKuTqPqMlos2whdQT+WKOQX1BDOFLkQvLckRJGJH56IYEK+mYiE1x+NABnIjiO3v4q6lvjiZ918pmZeAd0JmY97TSB2SfKQXnozbjw="
10.1073/pnas.132182099
<jats:p> Tetrameric hemoglobins are the most widely used systems in studying protein cooperativity. Allosteric effects in hemoglobins arise from the switch between a relaxed (R) state and a tense (T) state occurring upon oxygen release. Here we report the 2.0-Å crystal structure of the main hemoglobin compo...
The crystal structure of a tetrameric hemoglobin in a partial hemichrome state
[ "Riccio Antonio ", "Vitagliano Luigi ", "di Prisco Guido ", "Zagari Adriana ", "Mazzarella Lelio " ]
https://doi.org/10.1073/pnas.132182099
2,002
July
"tmuYbozkOBrYHXXxdfB1PU9v5BX0NtOVFFNmW/leuV6e2Bs5UgRvXmSVcuDQE/Xn0Nqoj2kmG4fghl0sWADtAjkUKtYU1V7OEbNE/fA0IAGLN56Ia6CbHYiMgcrsICuQBiPXP9r7x+jiJZd0snYmEs8vWK9yHKHkaOLQzvhbJzw="
10.1073/pnas.132259399
<jats:p> The study of the development of the mammary gland at the molecular level in the animal is difficult because of the complex tissue organization of the gland. We have previously developed an <jats:italic>in vitro</jats:italic> system for genetic analysis of mammary cell differ...
Dome formation in cell cultures as expression of an early stage of lactogenic differentiation of the mammary gland
[ "Zucchi I. ", "Bini L. ", "Albani D. ", "Valaperta R. ", "Liberatori S. ", "Raggiaschi R. ", "Montagna C. ", "Susani L. ", "Barbieri O. ", "Pallini V. ", "Vezzoni P. ", "Dulbecco R. " ]
https://doi.org/10.1073/pnas.132259399
2,002
July
"70qNbIrghJbCCXt3bX606QZtwJVdJ7NL1V02S3Pv/dxL0AscQyRdXnwfW3HiUrCqUE+lnEakipOoIl+9wXi7UB2WKsATxVm6EaCycbJyCOHJ2byCa4WKLYiu7VvsBBmVhio1vZhLlsmyVd9cImbXM8/emp13c6CyaBLUBrkSRDY="
10.1073/pnas.132269599
<jats:p>The events of the cell cycle, the stages at which the cell proliferates and divides, are facilitated and controlled by multiple signaling pathways. Among the many regulatory enzymes that contribute to these processes is the polo-like kinase (Plk). Plks have been reported to mediate multiple mitotic processes, i...
Activation of Cdc2/cyclin B and inhibition of centrosome amplification in cells depleted of Plk1 by siRNA
[ "Liu Xiaoqi ", "Erikson Raymond L. " ]
https://doi.org/10.1073/pnas.132269599
2,002
July
"4OqbXIjg0fzASfPRRWN87wbhydYksp/pdkV22uNt9VyM0Qs9wq9PXDqeW+lRQrbqUpYbxEMkCjYqMF+GgRpZEDmSKtA7zQCumTmSabJmYuGN2d6BQIGKLYiu75jNBjiwBh83vwB1nki2VI18KuYHA576HhR+DiA6SbL2Trk6RLY="
10.1073/pnas.132544299
<jats:p>Bacteriophage T4 tail fibers have a quaternary structure of bent rigid rods, 3 × 160 nm in size. The four proteins which make up these organelles are able to self-assemble in an essentially irreversible manner. To use the self-assembly domains of these proteins as elements in construction of mesoscale structure...
Design of protein struts for self-assembling nanoconstructs
[ "Hyman Paul ", "Valluzzi Regina ", "Goldberg Edward " ]
https://doi.org/10.1073/pnas.132544299
2,002
July
"tEmYXo6hORRYnXHZYfJ1oNdlRVU8J7eDBctk23H/tVpN8EsZUxR9XmSHzyHww/Pn1u99jAGuGocqYm+szTz5EjgaCMAR3VafErcg+/wmItHNP5boQoCKLYmM3tusITmJGia9dxoqnurmxZd0LmZlA59TXI9wFLDxRMDWBIh7Zno="
10.1073/pnas.132651299
<jats:p> Long-term synaptic plasticity leading to enhancement in synaptic efficacy (long-term potentiation, LTP) or decrease in synaptic efficacy (long-term depression, LTD) is widely regarded as underlying learning and memory in nervous systems. LTP and LTD at excitatory neuronal synapses are observed to b...
Dynamical model of long-term synaptic plasticity
[ "Abarbanel Henry D. I. ", "Huerta R. ", "Rabinovich M. I. " ]
https://doi.org/10.1073/pnas.132651299
2,002
July
"8GMUfoHkPJbQkBN9fTHcmU9FSEXUN/P/VNfuaj9mcFTE2EqZRhlNnm4X2+ujErbv0hy5VX2s2Y7IthysCiwLQKcWKlRajRaqmbO4/PF2INmNSTzAIojpvQmJvlKoILiYhhc1/xa+33jyZIVoJkeFA9/ekihzuaLiTjPQnvkaG7w="
10.1073/pnas.142002099
<jats:p> Transcription by RNA polymerase can stimulate localized DNA supercoiling in <jats:italic>Escherichia coli</jats:italic> . <jats:italic>In vivo</jats:italic> , there is extensive experimental support for a “twin-domain” model in which positive DNA supe...
Potent stimulation of transcription-coupled DNA supercoiling by sequence-specific DNA-binding proteins
[ "Leng Fenfei ", "McMacken Roger " ]
https://doi.org/10.1073/pnas.142002099
2,002
July
"/GiBXo6gPZJY3CP7LWF8pUVpRFREN5f1Z1Vkf39//BnF0QsdQ6RdXmYfQ/DRUrXhYb19RRWsHwOIYF6+xXhdUDyQKIMTzRuqkhM2aZd0QlHKm4yIaYiIPYiPj+uNACuAzoe9v1pwnmLiRZ16pma3A5VamYZ+FaB6RYLWxnl7Zr4="
10.1073/pnas.142034399
<jats:p> Ste11 is the mitogen-activated protein kinase (MAPK) kinase kinase in the MAPK cascades that mediate mating, high osmolarity glycerol, and filamentous growth responses in <jats:italic>Saccharomyces cerevisiae</jats:italic> . We show stimulation of the mating pathway by phero...
Pheromone induction promotes Ste11 degradation through a MAPK feedback and ubiquitin-dependent mechanism
[ "Esch R. K. ", "Errede B. " ]
https://doi.org/10.1073/pnas.142034399
2,002
July
"cOqNXI7wV1TwGPd5bXJ8o05txRTEJ7XYVlVkev9v9X1J0Bs1V1RPHCaG2/xbM7Tv044cr2WM2Ucq+l3HwgBYVDCWKuDVxRDqkZEkcb4ka+mZW7+AYYCdLYuHzxqMRBiYjiN1/1IVlnriRb94Km7FA9+aGJV3LaLlSWH2VtgZR7U="
10.1073/pnas.142123199
<jats:p>Retroviral reverse transcriptases contain a DNA polymerase activity that can copy an RNA or DNA template and an RNase H activity that degrades the viral RNA genome during reverse transcription. RNase H makes both specific and nonspecific cleavages; specific cleavages are used to generate and remove the polypuri...
Mutations in the RNase H domain of HIV-1 reverse transcriptase affect the initiation of DNA synthesis and the specificity of RNase H cleavage <i>in vivo</i>
[ "Julias John G. ", "McWilliams Mary Jane ", "Sarafianos Stefan G. ", "Arnold Edward ", "Hughes Stephen H. " ]
https://doi.org/10.1073/pnas.142123199
2,002
July
"JEwAvoSjXZRUCWP5LSN97WZtxBA0J4e1NV1km1V99nyF2Asdw+FdX05XR+vRw9Wvxo21hS2MHwcKInaNTz54FRmyaeURnRrrE7UU+b52CQOd3bigQACCPYuOxUrEAQmpyiUfN9pHvuriZZ9QoiLzA81a2Ap+X7BxRcLW3Al7TxQ="
10.1073/pnas.142155899
<jats:p> Optical coherence tomography (OCT) is a rapidly emerging technology for high-resolution biomedical imaging. The axial resolution of this technology is determined by the bandwidth of the source. Commercial sources generally provide resolutions of 10–20 μm whereas laboratory-based solid state lasers ...
Ultrasound induced improvement in optical coherence tomography (OCT) resolution
[ "Schenk John O. ", "Brezinski Mark E. " ]
https://doi.org/10.1073/pnas.142155899
2,002
July
"1M8BXKyiw7zZiDSxNdt+fybRQUTEt9vTXBN2vll/9h3M2AsVYgpFXmYceSgx8qHmEimwF+2kXhZpoFqJSzopkTGYItDQ7laOGzmAL5JyEPCT/ZygJCTKnamu6pqpoYuhzi4zj/jGj+ri1JN1cF8GGc/4mLhxB1JYTGPWH6t+djw="
10.1073/pnas.142166599
<jats:p>Nerve activity controls fiber size and fiber type in skeletal muscle, but the underlying molecular mechanisms remain largely unknown. We have previously shown that Ras–mitogen-activated protein kinase and calcineurin control fiber type but not fiber size in regenerating rat skeletal muscle. Here we report that ...
A protein kinase B-dependent and rapamycin-sensitive pathway controls skeletal muscle growth but not fiber type specification
[ "Pallafacchina Giorgia ", "Calabria Elisa ", "Serrano Antonio L. ", "Kalhovde John M. ", "Schiaffino Stefano " ]
https://doi.org/10.1073/pnas.142166599
2,002
July
"1OMfLIjilRLaWXRzSXNsZQZtzVXU5/9pRFf8Qzlv9FyR0AsVFwlvXioFzz3agzqu0IQfwRygG4coMt6tGnhZJB0QINAYz3yamzG8WfB2SnWNV67jYqC7PJiuz1soJCmQlpE1fdrNl1j2VDd8IEbFgv+6mgF3PZJ4XEBwx+gadrg="
10.1073/pnas.142220099
<jats:p> Tyrosyl–tRNA synthetase (TyrRS) from <jats:italic>Escherichia coli</jats:italic> was engineered to preferentially recognize 3-iodo- <jats:sc>l</jats:sc> -tyrosine rather than <jats:sc>l</jats:sc> -tyrosine for the site-specific...
An engineered <i>Escherichia coli</i> tyrosyl–tRNA synthetase for site-specific incorporation of an unnatural amino acid into proteins in eukaryotic translation and its application in a wheat germ cell-free system
[ "Kiga Daisuke ", "Sakamoto Kensaku ", "Kodama Koichiro ", "Kigawa Takanori ", "Matsuda Takayoshi ", "Yabuki Takashi ", "Shirouzu Mikako ", "Harada Yoko ", "Nakayama Hiroshi ", "Takio Koji ", "Hasegawa Yoshinori ", "Endo Yaeta ", "Hirao Ichiro ", "Yokoyama Shigeyuki " ]
https://doi.org/10.1073/pnas.142220099
2,002
July
"pkgZTIiCfZz4HHV7RZJ1uWxtxLRUJ5XzFe1kWvfevVjP0EsfU1RNTmaW3+nT07Lt1Mq9xOWnG4OKQlytyxjYITwSKMAAzUSKErUWfPcmKBGPuZ7oKACOHYqf1B+kJRmgjgf3Hxr6lmiyRo98pm9Ag824HAF7V6BhSbbUTDhbZjw="
10.1073/pnas.142294599
<jats:p> The boronium–carbonium ion continuum was extended to include hypercoordinated onium-carbonium dications and the isoelectronic onium-boronium cation analogs. Structures and <jats:sup>13</jats:sup> C and <jats:sup>11</jats:sup> B NMR chemical shifts of ...
<i>Ab initio</i> /GIAO-MP2-calculated structures and <sup>11</sup> B- <sup>13</sup> C NMR chemical shift relationship in hypercoordinate onium-carbonium dications and isoelectronic onium-boronium cations
[ "Rasul Golam ", "Prakash G. K. Surya ", "Olah George A. " ]
https://doi.org/10.1073/pnas.142294599
2,002
July
"5uhJXIqgPRhQkVH7Vxp2oSdvTNy1Jdvd1tdZSfl/udzd+BsdSFR13mTF+8Rwwz3uEI/9FVmsGg+pkl6gGih9gx22YIAX7EGeFLMUbLc2ZFDBfZyAYUC4Pxmt5IqEoLmhjivXv8/oN0pixZfwBm8E08363ClzQdRSyLLQhjsSb7g="
10.1073/pnas.142302099
<jats:p>The function of GATA transcription factors in diverse developmental contexts depends in part on physical interaction with cofactors of the Friend of GATA (FOG) family. However, previous studies indicate that FOG-1 may play a GATA-1-independent role in early megakaryopoiesis, suggesting that FOG proteins might a...
GATA-factor dependence of the multitype zinc-finger protein FOG-1 for its essential role in megakaryopoiesis
[ "Chang Aaron N. ", "Cantor Alan B. ", "Fujiwara Yuko ", "Lodish Maya B. ", "Droho Steven ", "Crispino John D. ", "Orkin Stuart H. " ]
https://doi.org/10.1073/pnas.142302099
2,002
July
"9Eld2I7gDdLVS/F/baJ1MSTphI71dL/h1kVgU3tpfVygyAsdQrVtXjaMaqzQQ7O/0d+8g26EWKsiKV2PAEgtEBiQKcEb7VWWE5e0euJkAOGJ1ZyAYQGaNYiH79nsBRmgxA8XN9rYnsrmRK9yIifGI92OWhV7DaJyWMxWzHlaZ9w="
10.1073/pnas.142310499
<jats:p> Disulfide bonds have only rarely been found in intracellular proteins. That pattern is consistent with the chemically reducing environment inside the cells of well-studied organisms. However, recent experiments and new calculations based on genomic data of archaea provide striking contradictions to...
Genomic evidence that the intracellular proteins of archaeal microbes contain disulfide bonds
[ "Mallick Parag ", "Boutz Daniel R. ", "Eisenberg David ", "Yeates Todd O. " ]
https://doi.org/10.1073/pnas.142310499
2,002
July
"9OjYfoznP1jvnGHZVXA0vYTtZJREJ9OhNF9kQ/FfOExO2BsdAhRfXiTVe2HT4rWvUIuowgOsSoPsAlyt2wp9Cj2QKsAQ1gKuE7GUKLMmFlCPPx/JSgi6tYiGlR+HICkRjmM1r5jblvjiZb98sm4eg8WLGCdwXaBRXZDUTvhTbzw="
10.1073/pnas.142675599
<jats:p> Why do closely related primate genera vary in longevity, and what does this teach us about human aging? Life tables of female baboons ( <jats:italic>Papio hamadryas</jats:italic> ) in two wild populations of East Africa and in a large captive population in San Antonio, Texas...
The aging baboon: Comparative demography in a non-human primate
[ "Bronikowski Anne M. ", "Alberts Susan C. ", "Altmann Jeanne ", "Packer Craig ", "Carey K. Dee ", "Tatar Marc " ]
https://doi.org/10.1073/pnas.142675599
2,002
July
"/MME/qi2CJ7jCvP/TWN1eU5FxVQ0pzUB9jdrWvv+tVSC2AhdE2BJWixWE13Tc7fvyA495QmtKo+Awl4jEAwJgjs2B6ayzE/mHbdQePI2bvi9NZThcqS+HZCC75pHBS6IKhk199TcjUj2ZV16ch4WCd3GnC93xcLzbKLUh/EaEro="
10.1073/pnas.152011799
<jats:p> Protein modification by ubiquitin is a dynamic and reversible process that is involved in the regulation of a variety of cellular processes. Here, we show that myogenic differentiation of embryonic muscle cells is antagonistically regulated by two deubiquitinating enzymes, UBP45 and UBP69, that are...
Antagonistic regulation of myogenesis by two deubiquitinating enzymes, UBP45 and UBP69
[ "Park Kyung Chan ", "Kim Jung Hwa ", "Choi Eun-Jung ", "Min Sang Won ", "Rhee Sangmyung ", "Baek Sung Hee ", "Chung Sung Soo ", "Bang Oksun ", "Park Dongeun ", "Chiba Tomoki ", "Tanaka Keiji ", "Chung Chin Ha " ]
https://doi.org/10.1073/pnas.152011799
2,002
July
"PMqRzK7hVZ7aWHdxTXJkqXRNzJZVgvdnVVNmc/Pn9J3c8AuVUgtdHibSX2lPw7Lv0B+JxxQEWococl6lQTp4QT2eKtEZ3Fm6myWYWLJkCmGJ3b6LKYCqPoqu7duUBRuRjgMVeVqalkijZI19IkbEA92aGpN/fwB0DsBUxzgaRzQ="
10.1073/pnas.152121799
<jats:p> DNA hypomethylation on pericentromeric satellite regions is an early and frequent event associated with heterochromatin instability during human hepatocarcinogenesis. A DNA methyltransferase, DNMT3b, is required for methylation on pericentromeric satellite regions during mouse development. To clari...
Overexpression of a splice variant of DNA methyltransferase 3b, DNMT3b4, associated with DNA hypomethylation on pericentromeric satellite regions during human hepatocarcinogenesis
[ "Saito Yoshimasa ", "Kanai Yae ", "Sakamoto Michiie ", "Saito Hidetsugu ", "Ishii Hiromasa ", "Hirohashi Setsuo " ]
https://doi.org/10.1073/pnas.152121799
2,002
July
"usqpWK7hR5LGSXNRRXZ8tSTtwRR0J9XnUkdk29jt9czH3AudwrptXiYXc+LaQ7XvyE+nxzyUn5+oYl68SSg5GB2QKcVLzEmoEzG0fbY2YiGL2ZygMqC6fYiP7cq3BTuJzCMXOdqdnkiyUZ1oBg6AI5V8mMt1V4B4QYLUDil6Zrg="
10.1073/pnas.152168599
<jats:p> To identify proteins undergoing glutathionylation (formation of protein-glutathione mixed disulfides) in human T cell blasts, we radiolabeled the glutathione pool with <jats:sup>35</jats:sup> S, exposed cells to the oxidant diamide, and analyzed cellular proteins by two-dime...
Glutathionylation of human thioredoxin: A possible crosstalk between the glutathione and thioredoxin systems
[ "Casagrande Simona ", "Bonetto Valentina ", "Fratelli Maddalena ", "Gianazza Elisabetta ", "Eberini Ivano ", "Massignan Tania ", "Salmona Mario ", "Chang Geng ", "Holmgren Arne ", "Ghezzi Pietro " ]
https://doi.org/10.1073/pnas.152168599
2,002
July
"dMsdfIiAdRbwDkP7BSJ8PQxvQRxVJrWrVF102/F/tNis0AudVrlfTmQWa+X7g5On0FvYgkiEWoPpMlilQXxpAzmUauERjFCCFzuQPLQ2SuXt37/CYQCStYiP3VuXBCGRjApVv9qfvkiix594ZmaUgt2K2L90FSAQbJbUTmkSdrU="
10.1073/pnas.152225999
<jats:p>The mechanism of cooperativity in the human hemoglobin tetramer (a dimer of αβ dimers) has historically been modeled as a simple two-state system in which a low-affinity structural form (T) switches, on ligation, to a high-affinity form (R), yielding a net loss of hydrogen bonds and salt bridges in the dimer–di...
Single residue modification of only one dimer within the hemoglobin tetramer reveals autonomous dimer function
[ "Ackers Gary K. ", "Dalessio Paula M. ", "Lew George H. ", "Daugherty Margaret A. ", "Holt Jo M. " ]
https://doi.org/10.1073/pnas.152225999
2,002
July
"tGmYbozkDRrYGXXZKfB1Px1vZRRwNpOVFFNke+N+u1yY2BtZSgR9XkQUbuTQU/Xj0Lz4kwguHgfg6tysUQz9STmcStYR3VaGGLJc/Lg0IpWNN53IYoCaHYiMhMrNATOwjir3v9r7HuriJJd0pmYCAp+a2K9+HYFyTOjQRvpzpzA="
10.1073/pnas.152327199
<jats:p> Subtraction hybridization identified melanoma differentiation-associated gene-7 ( <jats:italic>mda</jats:italic> -7) as a gene induced during terminal differentiation in human melanoma cells. On the basis of structure, chromosomal localization and cytokine-like properties, ...
<i>mda-</i> 7 (IL-24) mediates selective apoptosis in human melanoma cells by inducing the coordinated overexpression of the GADD family of genes by means of p38 MAPK
[ "Sarkar Devanand ", "Su Zao-Zhong ", "Lebedeva Irina V. ", "Sauane Moira ", "Gopalkrishnan Rahul V. ", "Valerie Kristoffer ", "Dent Paul ", "Fisher Paul B. " ]
https://doi.org/10.1073/pnas.152327199
2,002
July
"vE6dfIqhXNDAGHd5Set8oXZtwT+1o/Gi9VdqW5tu/d3MwAuUAg9/XmpfW+SCw7CuUM8NmU6mCoMqc3mkSSwZEAmSK9AYhBmSE7Gg6LRmTiGt3Z7CYQWKPZiHz8kvBB24zB13e5r+lkiSVa/oDkeWs9/7Ggl+VYDwSZbWXz0+QrA="
10.1073/pnas.152333199
<jats:p>The p53 tumor suppressor protein plays a central role in cell cycle regulation, DNA repair, and apoptosis. Recent studies indicate that DNA damage and somatic mutations in the<jats:italic>p53</jats:italic>gene can occur because of genotoxic stress in many tissues, including the skin, colon, and synovium. Althou...
Regional analysis of<i>p53</i>mutations in rheumatoid arthritis synovium
[ "Yamanishi Yuji ", "Boyle David L. ", "Rosengren Sanna ", "Green Douglas R. ", "Zvaifler Nathan J. ", "Firestein Gary S. " ]
https://doi.org/10.1073/pnas.152333199
2,002
July
"7eqVfIyiUQ7CDHMzbWJ8reRtxB90IbNL1H9iW2t99NzE0AocRqRNXm6Pe8XY4rKu0N2h2k2EDseocEqsSWoZOR2WK9EaxVu6ELMwOJI2SrC+2b6jI4CovZiLz5vuBDmJ6AIVP9rMnEjy1Y/ybmaUA9f4mEd/FaDbSBbUXrEaYjw="
10.1073/pnas.152571899
<jats:p>An oligonucleotide-based microarray analysis of 9,500 genes and expressed sequence tags (ESTs) demonstrated that the type 1 inositol 1,4,5-trisphosphate receptor (IP<jats:sub>3</jats:sub>R) was significantly down-regulated in Bcl-X<jats:sub>L</jats:sub>-expressing as compared with control cells. This result was...
Bcl-X<sub>L</sub>affects Ca<sup>2+</sup>homeostasis by altering expression of inositol 1,4,5-trisphosphate receptors
[ "Li Chi ", "Fox Casey J. ", "Master Stephen R. ", "Bindokas Vytautas P. ", "Chodosh Lewis A. ", "Thompson Craig B. " ]
https://doi.org/10.1073/pnas.152571899
2,002
July
"rUrV/KzgXdLKDEd1TXJ0oSRlRV+9JfOjUxckW7t//byN0ApdAlx/Xn6X2wEZE7fu0I/RlQKkGQerc1uNwSoJURmWKeEezlmoE7OAbrY2SoCJ2b6AIoaJvYiLz8u8BDixhAFVv9zIlliyRJdoJi4Wg9X4mBd/F6D2aZbUF2keZ7Q="
10.1073/pnas.162082999
<jats:p>The adenoviral E1A oncogene sensitizes mammalian cells to tumor necrosis factor-α (TNF-α), in part by repressing the nuclear factor-κ B (NF-κB)-dependent defense against this cytokine. Other E1A activities involve binding to either p300/cyclic AMP response element-binding protein (CBP) or retinoblastoma (Rb)-fa...
Role of the E1A Rb-binding domain in repression of the NF-κB-dependent defense against tumor necrosis factor-α
[ "Cook James L. ", "Walker Thomas A. ", "Worthen G. Scott ", "Radke Jay R. " ]
https://doi.org/10.1073/pnas.162082999
2,002
July
"/GoMXqjhXYLGQ3N1bGl0pVZtRx60Jbfzdl10e2tjNbwF0AuVQjJdXmRHe2RIwzOu0p+ZkQGEAweDc3vFQT4JcAmQKtA9zFzqk7Oi+fZmSrGL3ZqjYYDIrYiFj8isBTCRxIMXO9tenujyRa1abmeVE99KGIZ3GYCcSRDWXmg+c7U="
10.1079/ber2002160
<jats:title>Abstract</jats:title><jats:p>Air temperatures estimated by partial thin plate spline interpolation, or from the ‘nearest station’ (Voronoi polygon method), were used to model the phenology of three pests of horticultural crops throughout England and Wales. Temperatures for a particularly hot (1976) and a pa...
Evaluating an interpolation approach for modelling spatial variability in pest development
[ "Jarvis C.H. ", "Collier R.H. " ]
https://doi.org/10.1079/ber2002160
2,002
July
"Z8wcLorpMN7g2tPbX2O9aQfN5CnFP3NnzEFjTt/v/1yDUBJdIlRJGhaOa2CU0rbpwI+9rh+OUE/pqHmhQ0WskB0eCOUgh92uEL3kSdsANM2PWxzAB6SOLyut4NuOJKyY74IXH/aeh//gRZ9xIEeEA81EGaR/L5K1CGrQBKAbVrg="
10.1080/00207590143000351
<jats:p><jats:italic>P</jats:italic>sychology claims to be an international discipline. This claim has been based upon subjective estimates of attendance at international congresses, status reports from selected countries published within edited volumes, and a survey of the member countries of the International Union o...
How international is psychology?
[ "Adair John G. ", "Coělho Angela E. L. ", "Luna Jesus R. " ]
https://doi.org/10.1080/00207590143000351
2,002
July
"I0Ad/oumPP74WtL3jWN1eYXlxsIUh7NLZn96TJN+JtzG+BN9Y0hdmCaEGQDRUqbjyY75BTUMwIcnEngFwEDYlukUCua8DFm8jL+uLLFmFsm1YRTCEqTuK5CZvJI9JKWJxYk937DVq+zzzLdyJp+Wgo+SzCJ/b5DbTNZU1nsaBjE="
10.1080/00207590244000061
<jats:p><jats:italic>T</jats:italic>he experiences of African communities are significantly underrepresented in the current psychological literature as compared to those of Western European and North American communities. Professional psychology in sub‐Saharan African is either nonexistent or strongly modeled after pra...
Psychology in sub‐Saharan Africa: Challenges, prospects and promises
[ "Mpofu Elias " ]
https://doi.org/10.1080/00207590244000061
2,002
July
"g0FN/4i2rJ5Qgqb3/Ug1Wy3HxuIUk/eHcH9+WRP09N3G8Fp9I0hdGi6GW0K1U6TjCIvVBzfIwN1mFyoA8ABelmkUBfa6pULMmLen7PF2Jsm1jRzwAqysPrCLvxIdJGbJ4fk9x7xVh83SzIcyJn4WIq2r2i9/T5b5TZPU13keBrE="
10.1080/02724980143000587
<jats:p> We have recently shown that children interpret conditional sentences with binary terms (e.g., male/female) in both the antecedent and the consequent as biconditionals (Barrouillet &amp; Lecas, 1998). We hypothesized that the same effect can be obtained with conditionals that do not contain binary terms provide...
Content and context effects in children's and adults' conditional reasoning
[ "Barrouillet Pierre ", "Lecas Jean-François " ]
https://doi.org/10.1080/02724980143000587
2,002
July
"w2AFbouiCp4gqfsXzXOQUR1bxUBVm6PddnNWQ7f7u5xE8Ahd6s9tXjwWO8eSQ6zm/N+9NROMGm8qhk45ADAbiykUI9Q61EGslLm4bPM0Ul2lSQzBdowqSlqJ7hs9JLqZwus3/ZSQjuvjRJ91tg1wEQ2ujCl/8YvQbxLcArkRFj4="
10.1080/02724980143000613
<jats:p> The effects of endogenously attended and non-attended stimulus onsets on spatial stimulus encoding of a target were explored in a Simon task. In each experiment participants made speeded left or right key-press responses to the colour of a target that followed a cueing display consisting of several shapes. The...
The effects of endogenous attention and stimulus onsets on encoding target location
[ "Danziger Shai " ]
https://doi.org/10.1080/02724980143000613
2,002
July
"A3YcXgvAJL50oDI37SPV3xVDUG3UOfsHdlVGd35f9xTmcAs1481tHiaW+fMzE6Cn3gyxVz+Mkx9qogyKwEhRgWkWKdW73lqeArLwaJl2UjmhGxyBYgzKrruV7sqsJT6IgId1O7KYzm37RZX+qkWwE8/byq5/GZdQSA/e3vpfCqQ="
10.1083/jcb.200112025
<jats:p>Ca2+-induced Ca2+ release (CICR) plays an important role in the generation of cytosolic Ca2+ signals in many cell types. However, it is inherently difficult to distinguish experimentally between the contributions of messenger-induced Ca2+ release and CICR. We have directly tested the CICR sensitivity of differe...
Localized Ca2+ uncaging reveals polarized distribution of Ca2+-sensitive Ca2+ release sites
[ "Ashby Michael C. ", "Craske Madeleine ", "Park Myoung Kyu ", "Gerasimenko Oleg V. ", "Burgoyne Robert D. ", "Petersen Ole H. ", "Tepikin Alexei V. " ]
https://doi.org/10.1083/jcb.200112025
2,002
July
"1OA6bIjolZTYnQPxTXJ8LQVlxZXUvretU1cke3lv4VxN8A+ERh5eHmSX2DAzg7Xv2h/pR1OsmwfIJBkNQmoZuzWWaKBbhFKambWyffF2YnGEz67AaICLrYmt6dOMoDHwhic1f5rIvviyQL18Nmw3k9+cmhR3HbKyT/PW3mkTdjw="
10.1083/jcb.200202067
<jats:p>Stem cells are believed to regulate normal prostatic homeostasis and to play a role in the etiology of prostate cancer and benign prostatic hyperplasia. We show here that the proximal region of mouse prostatic ducts is enriched in a subpopulation of epithelial cells that exhibit three important attributes of ep...
Proximal location of mouse prostate epithelial stem cells
[ "Tsujimura Akira ", "Koikawa Yasuhiro ", "Salm Sarah ", "Takao Tetsuya ", "Coetzee Sandra ", "Moscatelli David ", "Shapiro Ellen ", "Lepor Herbert ", "Sun Tung-Tien ", "Wilson E. Lynette " ]
https://doi.org/10.1083/jcb.200202067
2,002
July
"4c+dXIjgwZTsivN/bTN0pQTlyRZcB/tL1VdmUnFt8V2E+Asd06tPXCYf+yXyU6emVk+4h1GUj6coYlmthHoZkDmWIJIZ5UbqkLuAfTZyyvGJVbzwZYSqfamj71v+BDmtnjk1vb5cnkjiRJ8/ZrYEC9+oHpx3BaDgSBbUz+yaOCg="
10.1083/jcb.200202071
<jats:p>p21Cip1/WAF1 has cell cycle inhibitory activity by binding to and inhibiting both cyclin/Cdk kinases and proliferating cell nuclear antigen. Here we show that p21Cip1/WAF1 is induced in the cytoplasm during the course of differentiation of chick retinal precursor cells and N1E-115 cells. Ectopic expression of p...
Cytoplasmic p21Cip1/WAF1 regulates neurite remodeling by inhibiting Rho-kinase activity
[ "Tanaka Hiroyuki ", "Yamashita Toshihide ", "Asada Minoru ", "Mizutani Shuki ", "Yoshikawa Hideki ", "Tohyama Masaya " ]
https://doi.org/10.1083/jcb.200202071
2,002
July
"0cvsbIrg3JjeThNVRXJ0cSVtwNfVM/F5VWcyX2tl9VyE8AsdQ5VdXnqVW+uwQ7Pv0l8ZlUGMCgYqcluJCGoIMh20a9AbzpHoFTO0e/JmaPHN3b6BYoG6PYiM/tqsBDi1gJM/P+pdn2CzdL88Ik/Vo9+/GtR9DaBiTdbe2vk6RhY="
10.1084/jem.20012084
<jats:p>The molecular basis of CD28-dependent costimulation of T cells is poorly understood. Bcl-xγ is a member of the Bcl-x family whose expression is restricted to activated T cells and requires CD28-dependent ligation for full expression. We report that Bcl-xγ–deficient (Bcl-xγ−/−) T cells display defective prolifer...
T Cell Costimulation through CD28 Depends on Induction of the Bcl-xγ Isoform
[ "Ye Qunrui ", "Press Barry ", "Kissler Stephan ", "Yang Xiao-Feng ", "Lu Linrong ", "Bassing Craig H. ", "Sleckman Barry P. ", "Jansson Marianne ", "Panoutsakopoulou Vily ", "Trimble Linda A. ", "Alt Frederick W. ", "Cantor Harvey " ]
https://doi.org/10.1084/jem.20012084
2,002
July
"nUCd34CgXZrYIvVdJXJ8rWQrxX6dJ/vhURdmXiF7+Xyc0A5dQl57Hnaff8QJU7Xn1leREXOGG4urYtuNAS5JAzmEa/EL1VKYEzOEKPJ2QKCJ3TzHYoCKPMmn7/icBDm4gAPRv9LsnliyRK94Lm8WEd38uF9+T4DnbVaUXmkbc7w="
10.1091/mbc.e01-12-0148
<jats:p> The actin filament-associated protein and Src-binding partner, AFAP-110, is an adaptor protein that links signaling molecules to actin filaments. AFAP-110 binds actin filaments directly and multimerizes through a leucine zipper motif. Cellular signals downstream of Src<jats:sup>527F</jats:sup> can regulate mul...
PKC Phosphorylation Increases the Ability of AFAP-110 to Cross-link Actin Filaments
[ "Qian Yong ", "Baisden Joseph M. ", "Cherezova Lidia ", "Summy Justin M. ", "Guappone-Koay Anne ", "Shi Xianglin ", "Mast Tom ", "Pustula Jennifer ", "Zot Henry G. ", "Mazloum Nayef ", "Lee Marietta Y. ", "Flynn Daniel C. " ]
https://doi.org/10.1091/mbc.e01-12-0148
2,002
July
"neub/IjglBh7RNFVSXJsp1VhyZeE9t3hVVFkc7P/9VhM8A+XUpV/XiYKeqhdQrGv0h1ph0qkQgMMYliESGhZEFmaI9BZxxCokbGq2fBmSuGN197JYwSYPYiHzluoIDOQzic1N9rfl2iyRKV+JmYfI9+6mAd/DSDsSVRSRmo7ZjE="
10.1091/mbc.e02-01-0019
<jats:p>The minimum structure of the Raf-1 serine/threonine kinase that recognizes active Ras was used to create a green fluorescent fusion protein (GFP) for monitoring Ras activation in live cells. In spite of its ability to bind activated Ras in vitro, the Ras binding domain (RBD) of Raf-1 (Raf-1[51-131]GFP) failed t...
Structural Determinants of Ras-Raf Interaction Analyzed in Live Cells
[ "Bondeva Tzvetanka ", "Balla András ", "Várnai Péter ", "Balla Tamas " ]
https://doi.org/10.1091/mbc.e02-01-0019
2,002
July
"uO/7eIjiNRDaDxVxRWMsJcZlxB2UJv/7VBcga3t+vFhd0AsdUpx9HiSGe6nQ0iivUo/p1GmkEgcJclmNQWoNUxuSaPQTxVqYl7GifP5mAKON1b6AYgCePaiFzdmHBBGwwoJVPxtLn+iTVL10KmePo9ePm95/DaAuRd52zmETbj0="
10.1093/bioinformatics/18.6.777
<jats:title>Abstract</jats:title> <jats:p>Motivation: During evolution, functional regions in genomic sequences tend to be more highly conserved than randomly mutating ‘junk DNA’ so local sequence similarity often indicates biological functionality. This fact can be used to identify functional elements i...
Exon discovery by genomic sequence alignment
[ "Morgenstern Burkhard ", "Rinner Oliver ", "Abdeddaïm Saïd ", "Haase Dirk ", "Mayer Klaus F. X. ", "Dress Andreas W. M. ", "Mewes Hans-Werner " ]
https://doi.org/10.1093/bioinformatics/18.6.777
2,002
July
"/OCd3o7hEp7AC1PfTeM9OWTNRRJ1v7lj1mckTvdN9RzG0Aot0yRtXHTXU/3bc7Sv1I+d5i2EmgurIFu/QWo5EJiWKcBRzUXZE7q0+J8mIJGN9Z6gEiWOPYqLjVqWBDmIxIcXNZbIhEjyYZ96ALeUi93WGIx9drJpaMrUzaheTrw="
10.1093/bioinformatics/18.6.788
<jats:title>Abstract</jats:title> <jats:p>Motivation: The Bayesian network approach is a framework which combines graphical representation and probability theory, which includes, as a special case, hidden Markov models. Hidden Markov models trained on amino acid sequence or secondary structure data alone...
A Bayesian network model for protein fold and remote homologue recognition
[ "Raval A. ", "Ghahramani Z. ", "Wild D. L. " ]
https://doi.org/10.1093/bioinformatics/18.6.788
2,002
July
"pGEMboyGGJ7ZHXNbfWI9JUZtRTYVJ7NTxW9KT/d/vV7BcAsZUhZ/HgyX++XT0abnxcz8nAmuHqsJiky4QSw5EImSKMRVzwWoF7YQ+J0mJxGfv5/KcqGqPMuXn1mUJTqBqCMVPRqqhXyiZZ9+IuVQG93/nKh//qJ5ddLUDr0TfjY="
10.1093/cep/20.3.209
<jats:p>This article tests whether Job Training Partnership Act Title III discretionary funds are allocated to meet bureaucratic objectives. These funds are targeted to provide a rapid response to mass layoffs or natural disasters and are therefore well suited for detecting political influence because program distribut...
THE ALLOCATION OF FEDERAL FUNDS TO PROMOTE BUREAUCRATIC OBJECTIVES: AN EMPIRICAL TEST
[ "Svorny Shirley ", "Marcal Leah " ]
https://doi.org/10.1093/cep/20.3.209
2,002
July
"1UV0bAgAEpqTL4NXbyiVazPlSctVA7dj8hd5ZRfHdt7O8FBUxkRFGCqHKkt0Uazvcgm5LT2MEOsqplnrATMehPMVIeWZx3C+0rhgaPomspWBCYyi8hAuPIyIxladBI/YooofP9WWxtz3xZ/uCyZ8s42hnCpn5IOFTDLep/OeKi8="
10.1093/cep/20.3.221
<jats:p>This article explores the causal (lead/lag) relation between government spending and taxation in two developing countries (Lebanon and Tunisia). Both countries have suffered from large budget deficit and/or national debt problems, particularly since the early 1990s. Empirical results deduced from a battery of t...
BUDGET BALANCE THROUGH SPENDING CUTS OR TAX ADJUSTMENTS?
[ "Darrat Ali F. " ]
https://doi.org/10.1093/cep/20.3.221
2,002
July
"UUNYborEGJpYsZdfbUIVYxRV3sJUp6HhRhoxXX9tZh2m+Vhdr89VSzYCqsdWUaTj8owxJR+cGn/CpsibE2EcBu8VCfW9xlC+mLloaP8motwNXQ7gIoOtPZSpoEI8DKPZgxs1ttSFhf7iRH9/Ljx2MpS3ijJ/QaJgTIacp9IaRi0="
10.1093/cep/20.3.316
<jats:p>This article describes a repeated game of multimarket contact, designed to be played throughout an entire term. Besides enjoying reciprocal advantages in their home markets, firms are perfectly informed after every round about each other's decisions. For most of the game, it appears there is always a future in ...
THEORY AND PRACTICE IN THE CLASSROOM: A REPEATED GAME OF MULTIMARKET OLIGOPOLY
[ "Sorenson Timothy L. " ]
https://doi.org/10.1093/cep/20.3.316
2,002
July
"0XUMX4imuFrIuNd33WWRey351eRUV7XRZ1YzbTfv913AgErUegL8HiKFuu00wbTj0E71CjukGs806HztYE3wRPUXAYE5tVGskPmoaNm2NNWheQ0gu6KALxiurEkPBhjIjps1f4KGtU5SnRPpgS1WIv/O2iZndqPRSqLG3voHDn0="
10.1093/ei/40.3.366
<jats:p>Legal defense expenditure by honest and dishonest accused can increase or reduce the amount of crime, and deterrence can decrease when punishment is increased. Unregulated expenditure of innocent and guilty defendants is inefficient whether or not there is a direct social harm from type I and II errors. The cir...
Optimal Deterrence with Legal Defense Expenditure
[ "Gravelle Hugh ", "Garoupa Nuno " ]
https://doi.org/10.1093/ei/40.3.366
2,002
July
"cGp8fqqgGDjRqXI/fU6FqyHxRONbA79jdjN7AfbHZ1WOsGDVhoBxUI6CqlPz8KTj9A2xHCuemtmIoIq5YXkUPfuWIue9xnqsnLGAaLM2gtTlKw1i4gLt3jAjv+sOB5fxgzoXV5SWh0T21P/rAx9UAnz2TDJPpZLBBOLWn9I7Hnc="
10.1093/ei/40.3.470
<jats:p>Ordered probit regressions of the supervisory ratings assigned to banks point to a conflict between the credit enhancement objectives associated with the Community Reinvestment Act (CRA) and financial safety and soundness standards. Aggressive banking strategies tend to help CRA ratings but hurt safety and soun...
Safety and Soundness and the CRA: Is There a Conflict?
[ "Gunther Jeffery W. " ]
https://doi.org/10.1093/ei/40.3.470
2,002
July
"cHBdbgqGnZrQGDdfvW2Vr0T9RcAVMrfDZhB3Zbf/9B2O2AB9IiBXWCYHusV3weTvEIykLDO8GruNqkq9UHgoDUWVIeD4plKWEPXiaPLmMtWNm42k4gP072SBr14PBxfZjaI1PtyOlmznRJtsBU5UEFRHmitfQZD0TkLHFNd6Pi0="
10.1093/embo-reports/kvf133
<jats:p>Telomerase uses an internal RNA moiety as template for the synthesis of telomere repeats. In <jats:italic>Saccharomyces cerevisiae</jats:italic>, the telomerase holoenzyme contains the telomerase reverse transcriptase subunit Est2p, the telomerase RNA moiety TLC1, the telomerase associated proteins Est1p and Es...
Intracellular trafficking of yeast telomerase components
[ "Teixeira M. Teresa ", "Förstemann Klaus ", "Gasser Susan M ", "Lingner Joachim " ]
https://doi.org/10.1093/embo-reports/kvf133
2,002
July
"tMiIXIbjPxz4zGPRYSF8r+VtxlI0J9fxVFV2hndvvVjF0A89FnBdXmZcS+naIrRrxvx5x10GWweqIly/yzgNGDoSCNQVzQmOkjUSeJx2AoOL3ZyCSaCOv4qOzHKlBTugxie/PxppvkiiUZ9SKibngs3aCJZ5JKDxRNrWTCkaRzQ="