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query stringlengths 1 13.4k | pos stringlengths 1 61k | neg stringlengths 1 63.9k | query_lang stringclasses 147
values | __index_level_0__ int64 0 3.11M |
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Imipramine and its metabolites in human brain | A quantitative and qualitative thin-layer chromatographic study of the distribution of imipramine and its metabolites in 13 different regions of the brain in a fatal case of intoxication has been made. A quantitative thin-layer chromatographic method for in situ determination of imipramine and desipramine has been deve... | Herein we report the design of a novel sensor array based on molecularly imprinted polymer (MIP) for lowdensity lipoprotein (LDL) and high-density lipoprotein (HDL) determination. MIP of each lipoprotein class comprising comonomer of methacrylic acid (MAA) and vinyl pyrrolidone (NVP) in the ratio of 3:2 and 2:3, were s... | eng_Latn | 9,200 |
Predator chemical cues affect prey feeding activity differently in juveniles and adults | Nonconsumptive predator effects on prey behaviour are common in nature, but the possible influence of prey life-history stage on such responses is poorly known. We investigated whether prey life-history stage may be a factor affecting prey feeding activity responses to predator chemical cues, for which we used dogwhelk... | ABSTRACT Manipulation of the rate of thermal reversion of N-functionalized merocyanines (MC) to the corresponding spiropyran isomers in the dark, was demonstrated by using both organic acid and base additives. In the presence of organic bases, increase or decrease of the rate of reaction was dependent on the solvent us... | eng_Latn | 9,201 |
Annelation of organoboranes derived from geraniol | Alicyclic products have been obtained from geraniol derivatives in four ways: carbonylation of the intermediate borane either by treatment with carbon monoxide under pressure or by rearrangement of the cyanoborate under the influence of an electrophilic reagent; coupling under the influence of alkaline silver nitrate o... | Weobserved overtwo-fold enhancement inlight extraction efficiency fromGaN-based light emitters grownonanano-patterned sapphire substrate. Nano-hole array patterns were generated bylaser holography, which enabled alarge area process with high throughput. | eng_Latn | 9,202 |
Density functional theory and ab-initio computational study of molecular structure, tautomerism, and geometrical isomerism of ethynyl-bridged dipyridinones: In the gas phase and dielectric media | The geometries and relative stabilities for the different isomers and tautomers of ethynyl-bridged dipyridinones were calculated with full geometry optimizations using DFT method. Solvent effects have been analysed using the self-consistent reaction field theory with Onsager and continuum models for three different sol... | Organic contamination adsorbed on 200 mm silicon wafers was characterized using various analytical techniques. Surface hydrophobicity, apparent optical thickness and electrical surface charge are used to characterize the silicon surface state. They only give information on total organic contamination. MIR-FTIR is very ... | eng_Latn | 9,203 |
Separating extracellular vesicles and lipoproteins via acoustofluidics | Extracellular vesicles (EVs) and lipoproteins are abundant and co-exist in blood. Both have been proven to be valuable as diagnostic biomarkers and for therapeutics. However, EVs and lipoproteins are both on the submicron scale and overlap in size distributions. Conventional methods to separate EVs and lipoproteins are... | Abstract This paper reviews the use of acoustic emission for powder flow investigations. It then examines the application of the technique to two separate problems of (a) metering metal powder flows; and (b) investigating the velocity profiles inside a fluidised bed. | eng_Latn | 9,204 |
DETERMINATION OF LEAD AND BISMUTH IN SILVER NITRATE BY GRAPHITE FURNACE ATOMIC ABSORPTION SPECTROMETRY | A method for determination of trace quantities of lead and bismuth in silver nitrate was described. Lead and bismuth were separated from precipitated AgCl with NH4CI as a precipitant and EDTA as a complexing agent. The method is simple and convenient. The recoveries are up to more than 90%. | For decades, plasmonic nanostructures have been used as important optical sensing platforms, however, the necessity of sensitive optical instruments for detection greatly limits their practical application. Herein, a multi-responsive naked eye plasmonic indicator has been prepared through introduction of a responsive p... | yue_Hant | 9,205 |
Detecting DNA-DNA Hybridization at 3-Mercaptopropionic Acid Self-Assembled on Tin-Doped Indium Oxide Film with Electrochemical Measurement | Self-assembled monolayers (SAM) of 3-mercaptopropionic acid (MPA) were applied on tin-doped indium oxide (ITO) surfaces and used as a working electrode for sensing DNA hybridization. The concentration of probe single stranded DNA (ssDNA), complemented with target DNA, was optimized for the highest yield immobilization ... | Abstract A convenient microwave-assisted methodology is developed for the generation of 5-chloro-3-(dimethylamino)pyrazin-2(1H)-ones. The method entails a chemoselective desulfitative removal of a phenylthioether bond upon DMF/H2O treatment in the presence of sodium carbonate, yielding the desired compounds in 73–96%. | eng_Latn | 9,206 |
Studies of meiosis in vitro. II. Effect of inhibiting DNA synthesis during meiotic prophase on chromosome structure and behavior. | Abstract Inhibitors of DNA synthesis interfere with the meiotic cycle if administered to cells during zygonema and/or pachynema. The cytological effects correlate with the chemical evidence for a synthesis of DNA during that same interval. The main effects of inhibiting DNA synthesis are either zygonema arrest or fragm... | Abstract An uniform nanostructured array of VO 2 @SiO 2 was grown via depositing VO 2 film on SiO 2 monolayer array. VO 2 films were fabricated by rapid thermal annealing (RTA) of sputtered vanadium films, and SiO 2 arrays with diameter of about 600 nm were formed using direct assembly at the air-water interface. Much ... | eng_Latn | 9,207 |
A comparative study of compact finite volume methods for the 3-D diffusion equations with finite difference ADI and SOR | Recently developed Compact Finite Difference scheme (CPT) is applied to two dimensional diffusion equations. The relative merits of CPT-ADI are investigated with other computational schemes such as finite difference method ADI (FDM-ADI) and FDM-SOR. The numerical results obtained from these three approaches are compare... | Organic contamination adsorbed on 200 mm silicon wafers was characterized using various analytical techniques. Surface hydrophobicity, apparent optical thickness and electrical surface charge are used to characterize the silicon surface state. They only give information on total organic contamination. MIR-FTIR is very ... | eng_Latn | 9,208 |
Studies on a Phytohemagglutinin from the Lentil II. MULTIPLE FORMS OF LENS CULINARIS HEMAGGLUTININ | Abstract Two electrophoretically distinguishable hemagglutinins, Lens culinaris A (LcH-A) and L. culinaris B (LcH-B), have been obtained from the common lentil L. culinaris in homogeneous forms. Each protein had a molecular weight of 49,000, and each consisted of two identical polypeptide chains of 24,500 molecular wei... | This paper presents a methodology and validation of print-and-self-fold electric devices. For printing functional structures for robotic use, we realize electric circuitry based on metallic polyester film (MPF). By exploiting the unique material properties of MPF, we developed fundamental electric devices, namely a res... | yue_Hant | 9,209 |
Development of microsatellite markers for Callicarpa subpubescens (Lamiaceae), an endemic species of the Bonin Islands | ABSTRACTExpressed sequence tagged (EST) microsatellite (SSR) markers were newly developed for Callicarpa subpubescens, a species endemic to the Bonin (Ogasawara) Islands of Japan, to investigate ge... | Abstract A new type of bifluorophoric molecule consisting of two heterocycle-linked coumarin fluorophors is studied. A high laser efficiency, a broad tunability range and good photostability for two synthesized biscoumarins are observed. One of the proposed biscoumarins covers the green spectral region where the effici... | eng_Latn | 9,210 |
Quantitative analysis of molecularly stacked layer structures in supported organic thin films by synchrotron grazing-incidence X-ray scattering | In this study, we derive a grazing-incidence X-ray scattering (GIXS) formula to analyze quantitatively GIXS patterns for molecularly stacked layer structures in substrate-supported nanoscale thin films. We apply this formula in the quantitative analysis of GIXS patterns obtained for S-docosanylcysteine thin films on si... | Refrigeration of the volatile oil of Nigella sativa L. seeds eventuates in a crystalline substance. The chemical structure of the compound was drawn from its chemical behaviour, as well as from its UV, IR, PMR and mass spectral data. The compound was found to be thymohydroquinone: confirmation of the structure was esta... | eng_Latn | 9,211 |
An electrochemical and optical study of the rupture and restoration of the passivating HgO multilayer on a dropping mercury electrode in aqueous 1 M NaOH solution at anodic potentials | It is shown that the passivating layer on the surface of a dropping mercury electrode in 1 M NaOH at anodic potentials due to drop growth continuously is being mechanically ruptured and electrochemically repaired. This phenomenon is studied by means of microscopy, reflectometry and polarography. The latter technique al... | The present invention provides a sealing liquid which does not contain a nickel salt but is capable of achieving a sealing performance equivalent to that in cases where a sealing liquid containing a nickel salt is used, and which enables an anodic oxide coating film sealed therewith to exhibit excellent contamination r... | eng_Latn | 9,212 |
Electrochemical measurement of high concentrations of UCl3 and GdCl3 in molten LiCl-KCl eutectic | Abstract Electrochemical methods have been developed to measure metal ion concentrations in spent nuclear fuel electrorefiner by correlating concentration with current response. Analytes UCl3 and GdCl3 were studied in LiCl-KCl eutectic solvent at 773 K. A mixture matrix, which consisted of varying concentrations of UCl... | Aims: To design a simple method for the detection of microbe–immune complexes exploiting the optical and elastic properties of a biocompatible liquid crystalline material. ::: ::: ::: ::: Methods and Results: Aqueous solution of disodium cromoglycate (DSCG), a lyotropic chromonic liquid crystal (LCLC), was aligned in a... | eng_Latn | 9,213 |
FT-i.r. study of molecular interactions of olefins with oxide surfaces | Abstract The FT-i.r. spectra of ethylene, propylene, 1-butene, cis-2-butene and trans-2-butene adsorbed on amorphous silica at 200 K, on NaY-zeolite at 220 K and on TiO2 at 300 K have been recorded. In such conditions only molecular adsorption is detected, thought to take place on the surface hydroxy groups of silica,... | Frequency offset affects the performance of orthogonal frequency division multiplexing system. The FRFT based OFDM is considered in this article to minimize this affect. The expressions of signal to interference ratio (SIR) due to inter carrier interference (ICI) has been derived for frequency selective fading channel ... | eng_Latn | 9,214 |
[The antiphospholipid syndrome]. | The author summarized contemporary findings on anti-phospholipid autoantibodies, their different types and probable site of action. This autoimmune phenomenon produces some typical clinical symptoms which made it necessary to describe them as the so-called anti-phospholipid syndrome. If concurrently some autoimmune dis... | ABSTRACTThe transistor size needs to be reduced as the pixel density of the organic light-emitting diode (OLED) display increases for mobile application. Drain-induced barrier lowering (DIBL), however, hinders the further channel length reduction of low-temperature polycrystalline silicon (LTPS) thin-film transistors (... | eng_Latn | 9,215 |
Direct deposition of gold nanoparticles onto polymer beads and glucose oxidation with H2O2. | Gold nanoparticles (Au NPs) were deposited directly from aqueous solution of diethylenediaminegold(III) complex onto polymer beads commercially available, such as poly(methyl methacrylate) (PMMA), polystyrene (PS), and polyaniline (PANI) without surface modification. The dropwise addition of NaBH4 to reduce Au(III) was... | A novel heat-sinking, self-referencing fiber optic emission probe having a sapphire fiber probe head is described. The laser heating effect in a GaAs wafer (on a polytetrafluoroethylene (PTFE) platform) has been measured with the probe in both the noncontact proximity mode and the contact mode. The GaAs/PTFE composite ... | eng_Latn | 9,216 |
Fiber optic wide region temperature sensing system | A fiber optic wide region temperature sensing system based on optical pulse correlation measurement and SHG ::: differential detection technique is proposed and demonstrated. In order to establish the reliability of this fiber optic ::: temperature sensing system, a long-term wide region outside temperature monitoring ... | A b s t r a c t One of the main issues in oil palm plantation is the infection of Ganoderma boninense causing basal stem rot disease. Huge monetary losses were reported in the industry by the main producer countries such as Malaysia and Indonesia. Many efforts have been carried out to detect the fungus at the early sta... | eng_Latn | 9,217 |
High-Resolution Light-Field Microscopy | We report a high-resolution light-field microscopy (LFM) system using a focused optical design. The system has been characterized both numerically and experimentally. 3D volumetric imaging of cellular structures has been demonstrated. | Abstract Two electrophoretically distinguishable hemagglutinins, Lens culinaris A (LcH-A) and L. culinaris B (LcH-B), have been obtained from the common lentil L. culinaris in homogeneous forms. Each protein had a molecular weight of 49,000, and each consisted of two identical polypeptide chains of 24,500 molecular wei... | eng_Latn | 9,218 |
Absolute Stereochemistry of Neohalicholactone from the Brown Alga Laminaria sinclairii | Phytochemical analysis of an extract from the brown alga Laminaria sinclairii led to the isolation of neohalicholactone, a cyclopropyl-containing oxylipin previously isolated from a marine sponge, Halichondria okadai. Unequivocal stereochemical analysis of the C-15 hydroxyl group showed this isolate to be of opposite o... | Aims: To design a simple method for the detection of microbe–immune complexes exploiting the optical and elastic properties of a biocompatible liquid crystalline material. ::: ::: ::: ::: Methods and Results: Aqueous solution of disodium cromoglycate (DSCG), a lyotropic chromonic liquid crystal (LCLC), was aligned in a... | eng_Latn | 9,219 |
Static and scanning array detection in capillary electrophoresis-mass spectrometry. | An array detection system based on position- and time-resolved ion counting was evaluated for capillary electrophoresis-mass spectrometry using continuous-flow fast atom bombardment and a liquid-junction coupling. Peptides with molecular masses up to 3200 were measured. A 100-1000-fold improvement over conventional det... | This chapter contains sections titled: Introduction Identification of the Best Linear Approximation Using Random Excitations Generation of Uncertainty Bounds? Identification of the Best Linear Approximation Using Periodic Excitations Advises and Conclusions ]]> | eng_Latn | 9,220 |
Spectral Response of Photocurrent in Glassy and Crystalline Ag-Rich Ag–As(Ge)–S Compounds | Photocurrent in Ag–As(Ge)–S glasses of 16–45 at% Ag and the related crystals sandwiched between Au films has been measured to reveal the electronic band structure of Ag-rich glasses. The intensity was found to increase exponentially with increasing Ag content. The peak energy of the spectral response was greater by 0.5... | Abstract We have devised a protocol for the isolation and identification of a proliferative antigen of the initial cells of wheat stem meristems (termed PAI). We have carried out a variety of immunochemical and immunocytochemical methods, using colloidal gold (CG) complexed with monospecific antibodies to PAI as the ma... | eng_Latn | 9,221 |
Long Term Selection of Reference Frame Sub-Blocks using MPEG-7 Indexing Metadata | Traditionally, video indexing and compression have been considered as two separate functionalities. However, the high amount of available multimedia content creates the need for multimedia services to consider both the compression and the indexing aspects of the content in order to efficiently manage it. Therefore, it ... | We report on the role of molecular diffusivity in the formation of nonlinearly growing polyelectrolyte multilayers (nlPEMs). Electrostatically bound polyelectrolyte multilayers were assembled from poly(methacrylic acid) (PMAA) as a polyanion and quaternized poly(2-(dimethylamino)ethyl methacrylate) (QPC) as a polycatio... | kor_Hang | 9,222 |
Novel Pyrazolopyrimidopyridazinones with Potent and Selective Phosphodiesterase 5 (PDE5) Inhibitory Activity as Potential Agents for Treatment of Erectile Dysfunction | Pyrazolo[1',5':1,6]pyrimido[4,5-d]pyridazin-4(3H)-ones and their analogues, potentially useful for the treatment of erectile dysfunction, were synthesized and evaluated as inhibitors of phosphodiesterase 5 (PDE5). Several compounds showed IC 50 values in the low nanomolar range, and in particular, compound 5r, displayi... | Abstract A new gas sensor based on the differential mode excitation photoacoustic (DME-PA) technique is presented. The DME-PA method utilizes the selective excitation of two different modes in a resonant photoacoustic cell and the gas concentration is derived from the amplitude ratio of these acoustic modes. The presen... | eng_Latn | 9,223 |
Extraction efficiency enhancement in GaN-based light emitters grown on a holographically nano-patterned sapphire substrate | Weobserved overtwo-fold enhancement inlight extraction efficiency fromGaN-based light emitters grownonanano-patterned sapphire substrate. Nano-hole array patterns were generated bylaser holography, which enabled alarge area process with high throughput. | Protein immobilization in a specific conformation or orientation at an interface is influenced by specific interactions with the outer layer of the surface. A strategy to build-up a complex construct which is able to orient protein molecules, based on metal-cation chelation processes, is reported. The proposed methodol... | eng_Latn | 9,224 |
Partial purification and characterization of Loligo vulgaris hatching enzyme obtained from hatching medium | 1. ::: 1. The hatching medium of Loligo vulgaris contains a protease which is absent in perivitelline fluid (PVF) during embryonic development and in sea water. ::: ::: 2. ::: 2. As the enzyme is released by the emrbyos just before and during hatching, it can therefore be defined as the hatching enzyme. ::: ::: 3. ::: ... | Aims: To design a simple method for the detection of microbe–immune complexes exploiting the optical and elastic properties of a biocompatible liquid crystalline material. ::: ::: ::: ::: Methods and Results: Aqueous solution of disodium cromoglycate (DSCG), a lyotropic chromonic liquid crystal (LCLC), was aligned in a... | eng_Latn | 9,225 |
Ultrasensitive Immunosensor for Cardiac Troponin I Detection Based on the Electrochemiluminescence of 2D Ru-MOF Nanosheets | Electrochemiluminescence (ECL)-functionalized metal–organic frameworks (MOFs) have attracted increasing attention in biosensing in virtue of their diverse and tunable optical properties. A famous ECL luminophore, carboxyl-rich tris(4,4′-dicarboxylic acid-2,2′-bipyridyl) ruthenium(II) (Ru(dcbpy)32+), possesses the chara... | There is an increasing need in modern cities for automated Crowd Condition Monitoring (CCM) in order to provide continuous real-time on-line information regarding the density, number and movement behaviour of crowd within a specific area in order to allow the required level of services and facilities to be specified an... | eng_Latn | 9,226 |
Determination of nitric acid in ambient air by gas chromatography/photoionization detection after collection in a denuder | A technique, adaptable to automation, has been applied to monitoring ambient concentrations of HNO3. HNO3 is preconcentrated and separated from particulate nitrate by sampling air through a diffusion tube (denuder) coated with Al2(SO4)3. The HNO3 collected is released as NO x by thermal desorption. Then NO x is convert... | Smart windows with controllable visible and near-infrared light transmittance can significantly improve the building’s energy efficiency and inhabitant comfort. However, most of the current smart window technology cannot achieve the target of ideal solar control. Herein, we present a novel all-solution-processed hybrid... | eng_Latn | 9,227 |
CENTRAL NERVOUS SYSTEM EFFECTS OF HYPOTHALAMIC PEPTIDES | Intravenous (i.v.) administration of TRF (1 mg⁄kg) increases the LD50 of pentobarbital (PB) by 25% while the same dose of somatostatin results in a 30% reduction in PB LD50. A similar increase of PB LD50 by TRF was observed in hypophysectomized rats. Mortality was completely abolished in rats receiving TRF (1 mg⁄kg) te... | Despite the young age of the research field, substantial progress has been made in the study of metal halide perovskite nanocrystals (HPNCs). Just as their thin-film counterparts are used for light absorption in solar cells, they are on the way to revolutionizing research on novel chromophores for light emission applic... | yue_Hant | 9,228 |
Microdomain size determination in Langmuir-Blodgett films of fatty acid binary mixtures | Quantitative determination of individual microdomain sizes in Langmuir-Blodgett films of fatty acid binary mixtures has been accomplished using IR spectroscopy. Calculations based on the magnitude of the CH 2 and CD 2 scissoring band splitting showed that the protiated fatty acid domains consists of 80 to 100 chains fo... | We report a high-resolution light-field microscopy (LFM) system using a focused optical design. The system has been characterized both numerically and experimentally. 3D volumetric imaging of cellular structures has been demonstrated. | eng_Latn | 9,229 |
Bioorthogonal metabolic cellular DNA labelling using vinyl thioether modified thymidine and o-quinolinone quinone methide | Bioorthogonal metabolic DNA labeling with fluorochromes is a powerful strategy to visualize DNA molecules and their functions. Here, we report the development of a new DNA metabolic labeling strategy enabled by the catalyst-free bioorthogonal ligation using vinyl thioether modified thymidine and o-quinolinone quinone m... | Abstract MBE regrowth on MOVPE grown InP and InGaAsP (1.06 μm) layers was found to demand appropriate surface treatment for not sacrificing epitaxial growth performance. Wet chemical etching using a sulphuric acid based solution as well as surface oxidation using UV light/ozone exposure were found to give very satisfac... | eng_Latn | 9,230 |
Isolation and Enrichment of Pathogens with a Surface-Modified Aluminium Chip for Raman Spectroscopic Applications | We developed a Raman-compatible chip for isolating microorganisms from complex media. The isolation of bacteria is achieved by using antibodies as capture molecules. Due to the very specific interaction with the targets, this approach is promising for isolation of bacteria even from complex matrices such as body fluids... | We propose and analyse three different power selection schemes for slotted ALOHA random access protocol operating under multiple power levels. Through analysis and numerical examples we demonstrate that these schemes can significantly improve the performance of slotted ALOHA, in terms of throughput and stability, under... | eng_Latn | 9,231 |
Polarizer and Diffusing Retroreflector Integration for Hands-Free Switching Telescopic Contact Lens | We describe the fabrication and characterization of telescopic scleral contact lenses with embedded orthogonal polarizers over the 1x and 2.8x paths, and a diffusing retro-reflector, used with liquid crystal shutter glasses providing wink-controlled hands-free switching. | FTIR spectroscopy in combination with multivariate calibrations, i.e. partial least square (PLS) and ::: principle component regression (PCR) was developed for quantitative analysis of cod liver oil (CLO) in binary ::: mixture with corn oil (CO). The spectra of CLO, CO and their blends with certain concentrations were ... | eng_Latn | 9,232 |
Enhancing insulin action: From chemical elements to thiazolidinediones | Type 2 diabetes is characterized by two fundamental biological defects: a reduced glucose-dependent insulin secretion and an increased resistance to the action of insulin at the level of various target tissues. While the use of agents to improve the insulin secretory activity of the islets of Langerhans has witnessed t... | Abstract Photosensitivity based practical applications of chalcogenide glasses such as high resolution inorganic photoresists require thorough understanding of the relations between the glass structure and the etching kinetics. In this paper we report on the selective wet etching of thermally evaporated As2Se3 thin fil... | eng_Latn | 9,233 |
Correlation between photoluminescence N-InP and morphology of Cu electrodeposition | This paper features electrodeposition of Cu on n-InP, studied by in situ photoluminescence (PL), atomic force microscopy (AFM) and ex situ X-ray photoelectron spectroscopy (XPS), Two regimes of potentiostatic deposition are observed with PL and AFM that are correlated with marked differences on XPS surveys. These two b... | The present invention is directed to phosphatidylinositol or lysophosphatidylinositol concentration indicators relates to efficacy evaluation method of a medicament having a therapeutic or prophylactic effect for a disease EL activity is associated. Further, the present invention relates to a kit for use in screening m... | eng_Latn | 9,234 |
Achieving rapid low-pressure ion chromatography separations on short silica-based monolithic columns. | Short silica-based monolithic columns (0.5-1 cm) are coated with the surfactant didodecyldimethylammonium bromide (DDAB) and used for fast ion exchange separations of small inorganic anions. Sources of extra-column band broadening are assessed and minimized to obtain separations of seven analytes (iodate, chloride, nit... | For the early diagnosis of several diseases, various biomarkers have been discovered and utilized through the measurement of concentrations in body fluids such as blood, urine, and saliva. The most representative analytical method for biomarker detection is an immunosensor, which exploits the specific antigen-antibody ... | eng_Latn | 9,235 |
Anti-waveguiding vertical-cavity surface-emitting laser at 850 nm: From concept to advances in high-speed data transmission. | Oxide-confined vertical cavity surface emitting lasers (VCSELs) with anti-waveguiding AlAs-rich core presently attract a lot of attention. Anti-waveguiding cavity enables the maximum possible optical confinement of the VCSEL mode ("λ/2 design"), increases its oscillator strength and reduces dramatically the optical pow... | A simple method for obtaining laser mass spectra (LMS) of liquids is described using a nitrocellulose membrane or fibrous material as the sample substrate. Laser mass spectra of liquids are presented along with those of solutes in aqueous systems. The use of a liquid matrix with the laser soft ionization method enhance... | eng_Latn | 9,236 |
High-resolution imaging of 2D outer membrane protein F crystals by atomic force microscopy. | In this chapter the methodological bases are provided to achieve subnanometer resolution on two-dimensional (2D) membrane protein crystals by atomic force microscopy (AFM). This is outlined in detail with the example of AFM studies of the outer membrane protein F (OmpF) from the bacterium Escherichia coli (E. coli). We... | Abstract By varying the conditions of reacting methylhistamine, histamine, histidine, 3-methylhistidine, 1-methylhistidine, methylimidazoleacetic acid, and imidazoleacetic acid with NBS and OPD, fluorophors are obtained which could be exploited for the measurement of these substances in biological material. | eng_Latn | 9,237 |
Study on Fingerprint Condition of Capillary Electrophoresis in Sarcandra | Objective:To study on fingerprint condition of capillary electrophoresis(CE) in Sarcandra.Method:Study on following effect factors:composite of buffer,the pH of buffer,division voltage,division temperature,injection volume and additive.Results:The buffer was 7.5 mmol·L-1 borat and sodium dihydrogen phosphate solution c... | One snapshot of the peer review process for “Decomposing Cell Identity for Transfer Learning across Cellular Measurements, Platforms, Tissues, and Species” ( Stein-O’Brien et al., 2019 ). | eng_Latn | 9,238 |
X-ray Absorption Spectroscopy and Spectromicroscopy of Supported Lipid Bilayers. | The C 1s, O 1s, and N 1s X-ray absorption spectra of three lipid species, 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC), 1,2-distearoyl-sn-glycero-3-phosphocholine (DSPC), and 1,2-dioleoyl-3-trimethylammonium-propane (chloride salt) (DOTAP), have been recorded using transmission detection in a scanning transmission X... | Alkali antimonide compounds perform well as photoemissive materials in photodetectors. A number of band-structure calculations have been reported in recent years on binary compounds; however the ternary alkali antimonides (those that involve two different alkali metal atoms) were most successfully applied. The band str... | eng_Latn | 9,239 |
[The use of monolaurates for removing endotoxins from preparations of cell-free pertussis vaccine]. | The possibility of using monolaurates for removing endotoxin from acellular pertussis vaccines developed at the Laboratory of Immunomodulators, Mechnikov Research Institute for Vaccines and Sera (Moscow), has been studied. Monolaurates PEG-400 and PEG-600 obtained, respectively, from Fluka Chemie AG and Ferak GmbH (Ger... | A high resolution, laser desorption time of flight mass spectrometer (LITOF-MS) was used to study lead borate glasses and crystals. This technique provides valuable information about glass structure, including the superstructural network units. Several structural units were identified and we found evidence of a lead su... | eng_Latn | 9,240 |
[Visceral leishmaniasis in Niger: six new parasitologically confirmed cases]. | From January 1992 to January 1995, six cases of Kala-azar have been observed in young soldiers at Niamey, Niger. All the patients had spent some time at Tin-Galene, in Aïr mountains, Northern Niger where they had been apparently contaminated. One patient was also infected with Salmonella and an other with Mycobacterium... | We introduce a “non-noble metal” based SERS active nanobiosensor using a self-assembled 3D hybrid nickel nanonetwork. A tunable biomolecule detector fabricated by a bottom-up approach was functionalized using a multiphoton ionization energy mechanism to create a self-assembled 3D hybrid nickel nanonetwork. The nanonetw... | eng_Latn | 9,241 |
Screening of aptamers to HIV-P24 | Objective To screen aptamers to HIV-P24 through SELEX technique for the diagnosis and therapy of AIDS.Methods With recombinant P24 for the screening target,oligonucleotides binding to HIV-P24 were screened from a random oligonucleotide library through SELEX technique.The binding capacity between oligonucleotides obtain... | The present conference on airborne reconnaissance discusses topics in imagery exploitation, reconsystem modeling and analysis, and reconnaissance optics and electronics configurations. Attention is given to airborne minefield detection, the optimization of an IR linescanner for RPV operations, real-time display of IR l... | eng_Latn | 9,242 |
Fluorescence polarization assays for chemical contaminants in food and environmental analyses | Abstract Fluorescence polarization (FP) assays play an important role in the detection of chemical contaminants in food and environmental due to a number of key advantages since last century. In recent decades, FP assays have achieved great progress thanks to developments in materials science and labelling techniques. ... | Abstract In high performance polysilicon thin film transistors (TFTs) the uniformity of electrical characteristics remain a major problem. This situation has stimulated a growing activity aiming to control the lateral growth phenomenon. However, most of the techniques require additional processing steps or a rather hig... | eng_Latn | 9,243 |
In vitro evidence of antimicrobial synergy between Salvia chamelaeagnea and Leonotis leonurus | Abstract Extracts of the aerial parts of Salvia chamelaeagnea and L. leonurus were evaluated for the in vitro antibacterial activity when tested in combination against two Gram-positive bacteria ( Bacillus cereus and Staphylococcus aureus ) and two Gram-negative bacteria ( Escherichia coli and Klebsiella pneumoniae ) u... | Aims: To design a simple method for the detection of microbe–immune complexes exploiting the optical and elastic properties of a biocompatible liquid crystalline material. ::: ::: ::: ::: Methods and Results: Aqueous solution of disodium cromoglycate (DSCG), a lyotropic chromonic liquid crystal (LCLC), was aligned in a... | eng_Latn | 9,244 |
Activation of the IκB Kinase Complex by TRAF6 Requires a Dimeric Ubiquitin-Conjugating Enzyme Complex and a Unique Polyubiquitin Chain | TRAF6 is a signal transducer in the NF-kappaB pathway that activates IkappaB kinase (IKK) in response to proinflammatory cytokines. We have purified a heterodimeric protein complex that links TRAF6 to IKK activation. Peptide mass fingerprinting analysis reveals that this complex is composed of the ubiquitin conjugating... | AbstractThe effect of uric acid as a photoprotective agent for various solutions of FD&C Blue No. 2 was investivated. Due to the poor aqueous solubility of uric acid, solutions were made in glycerin, triethanolamine and N/5 NaOH. Uric acid in glycerin or triethanolamine was found to enhance the photostability of the dy... | eng_Latn | 9,245 |
[Effect of toxic concentrations of 2,4,6-trinirtotoluene on the physical properties and morphology of bacillus subtilis SK1]. | It has been demonstrated for the first time that the toxic effect of 2,4,6-trinitrotoluene on the gram-positive strain Bacillus subtilis SK1 is accompanied by a decrease in the cell size and an increase in the refraction index (i.e., density) and thermostability of the culture. These data suggest that determination of ... | A theoretical study was carried out to determine the dielectric response and tunability of a composite consisting of a linear, low-loss dielectric matrix with uniformly sized, randomly distributed paraelectric Ba0.60Sr0.40TiO3 (BST 60/40) particles as functions of the volume fraction and size of the particles. The fiel... | eng_Latn | 9,246 |
Effect of TiO_2 on conjugative transfer of RP4 plasmid | Objective To explore the effect and law of nano-titanium dioxide on the conjugative transfer of RP4 plasmid.Methods Mating was conducted between Escherichia coli HB101(RP4) and E.coli K12Rif in saline without stirring under certain conditions and the donor per recipient ratio was 1∶1 constantly.The selective LB agar me... | We have calculated the electronic band structure and polarization dependent optical gain in a strain balanced SixGeySn1−x−y/GezSn1−z based transistor laser (TL) with GezSn1−z single quantum well (QW) in the base. Design consideration for QW is also addressed to ensure moderate carrier and optical confinement. A signifi... | eng_Latn | 9,247 |
Easy measurement and analysis method of zeta potential and electrophoretic mobility of water-dispersed colloidal particles by using a self-mixing solid-state laser | We describe a highly sensitive method of measuring electrophoretic mobility and zeta potential of water-dispersed colloidal particles by using a self-mixing laser Doppler velocimeter with a laser-diode-pumped, thin-slice solid-state laser with extremely high optical sensitivity. The power spectra of laser output modula... | We report the formation of Ohmic contacts to high‐dose (∼1016 cm−2) Te‐implanted n‐type GaAs annealed with a Q‐switched Nd : YAG laser. The annealing results in a Te concentration greater than 10 times the equilibrium solubility and the formation of free Ga at the surface. Ohmic contacts of specific contact resistance ... | eng_Latn | 9,248 |
An admissible solution approach for diffuse optical tomography | Our goal is to characterize the space-varying absorption coefficient from observations of diffuse light propagating through tissue. Sensor array measurements from illumination with several sources leads to an inverse problem which, due to the physics and the restriction of sensors to the surface, is ill-posed and under... | AbstractObjective: The objective of this study was to enhance the solubility and bioavailability of Lupeol.Methods: Utilizing a thin-film dispersion method, we prepared Lupeol-loaded PEGylated lipo... | eng_Latn | 9,249 |
Porous Silicon Microcavities as Optical and Electrical Chemical Sensors | The optical and electrical properties of porous silicon microcavities are strongly dependent on the environment. For highly luminescent samples both the luminescence intensity and the peak position are affected by organic substances, which also strongly modify the electrical conductivity, giving the possibility to obta... | Corrosion and protection of the underwater steel structures for W114A platform were investigated.The offshore platform has been in service in the South China Sea for 15 years.It was found that the bio-fouling was serious and the maximum attachment thickness was 20cm,while,the cathodic protection system was normal and t... | eng_Latn | 9,250 |
Plasmodium yoelii: the effect of second blood meal and anti-sporozoite antibodies on development and gene expression in the mosquito vector, Anopheles stephensi. | The sporogonic development of the malaria parasite takes place in the mosquito and a wide range of factors modulates it. Among those, the contents of the blood meal can influence the parasite development directly or indirectly through the mosquito response to the infection. We have studied the effect of a second blood ... | Abstract Stability and electronic properties of pristine and metal covered cylindrical yttrium disilicide, YSi 2 , nanowires were investigated through first principles calculations. The YSi 2 nanowire prefers Y-rich surface morphology and is attractive toward metal adsorbates such as silver, gold, palladium, and platin... | eng_Latn | 9,251 |
Does LESS Produce Better Outcomes Than Conventional Laparoscopy | There is little difference in the effectiveness and safety of laparoendoscopic single-site surgery and conventional laparoscopic surgery for the treatment of gynecological diseases. | This paper reports on the development of optically based techniques to detect and identify chemical agents. Detection ::: sensitivity and molecule discrimination are studied. In parallel, efforts are made to develop rugged and compact ::: experimental designs that can be used for field measurements. Laser Induced break... | eng_Latn | 9,252 |
Ball shaped photonic crystal attaching with bioreceptor, preparation method thereof and using method thereof | Obtain the photonic crystal in the present invention according to obtain the photonic crystal comprises a uniform spherical porosity and a plurality of pores are formed around a spherical body filled with the medium to form a diffraction grating of the sphere, the pores are fixed bio-sensitive material to the inner sur... | The formula for correction for reabsorption in the case of a plane-parallel luminophor excited and observed from one side is presented in a form convenient for computation. This form clearly shows the effect on the reabsorption correction of changing the parameters of the experiment. | eng_Latn | 9,253 |
Theoretical and experimental determination of optical and magneto-optical properties of LuFe2 single crystal | We have studied the diagonal and off-diagonal optical conductivity of a LuFe 2 single crystal grown by the flux method. Using spectroscopic ellipsometry we have measured the dielectric function from 1.5 to 5.5 eV. The magneto-optical parameters (Kerr rotation and ellipticity) from 1.4 to 4.0 eV were obtained using a ma... | A dissolved oxygen sensor based on ruthenium(Ru) fluorescence and U-shape plastic optical fiber (POF) was described. ::: Dichlorotris (1, 10-phenanthroline) ruthenium (II) was used as an oxygen indicator, which was coated on to the surface ::: of a 1mm diameter U-shaped POF. Phase modulation technique is used to measur... | eng_Latn | 9,254 |
Imprinting by DNA methylation: from transgenes to endogenous gene sequences | A number of transgenes in the mouse show variation in methylation and expression phenotypes dependent on parental transmission. It appears that there exist at least two types of transgene imprinting; one is retained on an essentially homozygous background, while the other requires heterozygosity at some modifying loci ... | We report on using e-beam lithographically technology for enabling the mass replication of custom-designed ::: and prepared Nano-structures via establishing nanoimprint processes for pattern transfer into UV curable prepolymes. ::: By EBL, the new nano-fabrication technology based on the concept of disposal master tech... | eng_Latn | 9,255 |
Microwave‐induced triplet‐triplet absorption in organic molecules | The effect of a saturating microwave field in resonance with the zero‐field levels of an organic triplet state on the triplet‐triplet absorption is examined. The change in triplet‐triplet absorption intensity is shown to be due to microwave alteration of the over‐all steady state population in the lowest triplet state.... | When fringe projection profilometry is applied for real-time 3D shape measurement, several problems remain to be solved such as multi-wavelength heterodyne phase unwrapping is sensitive to motion and the computation cost is high. In this paper, a real-time 3D shape measurement method with optimized multi-wavelength het... | eng_Latn | 9,256 |
No muon excess in extensive air showers at 100-500 PeV primary energy: EAS-MSU results | Some discrepancies have been reported between observed and simulated muon content of extensive air showers: the number of observed muons exceeded the expectations in HiRes-MIA, Yakutsk and Pierre Auger Observatory data. Here, we analyze the data of the Moscow State University Extensive Air Shower (EAS-MSU) array on E_m... | Electric fields have been shown to orient nanoscopic domains laterally in thin copolymer films effectively. To achieve an orientation normal to the surface, interfacial interactions impose a barrier. Using asymmetric diblock copolymers of polystyrene (PS) and poly(methyl methacrylate) (PMMA) having cylindrical microdom... | eng_Latn | 9,257 |
Absorption Enhancement in Ultrathin Solar Cells with Antireflection and Light-Trapping Nanocone Gratings | We combine optimized front gratings primarily for antireflection at shorter wavelengths and back gratings primarily for light-trapping at longer wavelengths in ultrathin crystalline silicon solar cells to achieve near Yablonovitch limit absorption. | Protein immobilization in a specific conformation or orientation at an interface is influenced by specific interactions with the outer layer of the surface. A strategy to build-up a complex construct which is able to orient protein molecules, based on metal-cation chelation processes, is reported. The proposed methodol... | eng_Latn | 9,258 |
Cationic niosomes as gene carriers: preparation and cellular uptake in vitro. | Cationic niosomes of sorbitan monoesters were prepared using film hydration method and tested for their effect on delivery of antisense oligonucleotides (OND) in a COS-7 cell line. These formulations showed positive results on cellular uptake of antisense oligonucleotides. Especially, cationic niosomes of Span 40 and 6... | Summary form only given. We have developed a novel QD microcavity by coupling core/shell semiconductor nanocrystals resonantly to whispering gallery modes (WGMs) of a silica microsphere. We have shown that this composite microcavity system features a photon lifetime of order 0.1 Js, corresponding to Q-factors of order ... | eng_Latn | 9,259 |
C3L++: Implementing a Description Logics System on Top of an Object-Oriented Database System | This paper describes the Description Logics system C3L++ that is implemented on top of the object-oriented POET data base. The benefits of such an integration are the management of large size knowledge bases, an increased performance and data persistency. Moreover, it is planned to integrate the relational database MER... | Aims: To design a simple method for the detection of microbe–immune complexes exploiting the optical and elastic properties of a biocompatible liquid crystalline material. ::: ::: ::: ::: Methods and Results: Aqueous solution of disodium cromoglycate (DSCG), a lyotropic chromonic liquid crystal (LCLC), was aligned in a... | eng_Latn | 9,260 |
Phase transition study of some selected azine compounds | Abstract The dielectric constants (real and imaginary) of benzaldazine and its hydroxy derivatives have been measured at different frequencies up to 100 kHz. The measurements were also carried out at different temperatures up to near the melting point of each sample. Two phase transitions were obtained during measureme... | Alkaliphilic bacterial strains producing the enzyme cyclodextrin glucanotransferase were cultivated on solid agar medium containing an indicator system detecting the enzyme. The growth of the colony and the surrounding diffusion zone, due to the enzyme, were measured by the image analysis during the cultivation. It was... | eng_Latn | 9,261 |
A novel ratiometric fluorescent probe for cyanide anion with high selectivity and its application in cell imaging | A novel hybrid acenaphthene-hemicyanine dye(Acc) was designed and synthesized as a colorimetric and ratiometric fluorescent sensor for cyanide detection. The nucleophilic addition of cyanide anion resulted in the blocking of the intramolecular charge transfer(ICT). Thus, the sensor exhibited high sensitivity and select... | This paper is concerned with the calculation of the critical radius and the wavelength of modulation associated with the strained inclusion during first order phase transition. For this purpose the forth order spatial gradient term was included into the free energy density inside the inclusion. Numerical results were o... | eng_Latn | 9,262 |
A novel U-bent plastic optical fibre local surface plasmon resonance sensor based on a graphene and silver nanoparticle hybrid structure | In this work, we have presented a novel local surface plasmon resonance (LSPR) sensor based on the U-bent plastic optical fibre (U-POF). Firstly, a layer of discontinuous silver (Ag) thin film was deposited on the U-POF and then the Ag film was covered by a layer of cladding synthesized by polyvinyl alcohol (PVA), grap... | Disclosed is a precursor composition comprising: a compound selected from a compound represented by the formula: Si(OR 1 ) 4 and a compound represented by the formula R a (Si)(OR 2 ) 4-a (in the formulas R 1 represents a monovalent organic group; R represents a hydrogen atom, a fluorine atom or a monovalent organic gro... | eng_Latn | 9,263 |
Synthesis, structural and photoluminescence studies of copper(I) complexes containing bis(azol-1-yl)methane derived bisphosphines | Abstract The synthesis and characterization of copper(I) complexes containing bisphosphines such as bis(2-diphenylphosphinoimidazol-1-yl)methane (1), bis(5-diphenylphosphinopyrazol-1-yl)methane (2) and bis(5-diphenylphosphino-1,2,4-triazol-1-yl)methane (3) is reported. Bisphosphines 1–3 exhibit bidentate (κ2P,P) chelat... | A color display screen having a coating which comprises at least a greend an/or a red phosphor as well as at least a pigment having the following composition:GaaInbZncAldOnSmSeoTepwherein 0.05<a<1.95 0.0</=n<0.3 0.05<b<1.95 2.1<m</=3 0.00</=c<0.09 0.0</=o<0.3 0.00</=d<0.2 0.0</=p<0.3 and n+m+o+p=3 and a+b++E,fra 2/3+EE... | eng_Latn | 9,264 |
Twist and shine: Development of a new photoluminescent sensor material | Stress sensors are important tools when it comes to evaluating the robustness of a material facing strong mechanical forces. OIST researchers have just published in Advanced Materials an article reporting a new kind of sensor molecules that brightens up when the material they are incorporated into comes under heavy mec... | Think you can't afford security cameras for your office? Think again. The Wyze Cam Pan offers 360-degree panning, night vision, motion- and sound-detection and 14 days of free rolling alert-video cloud storage -- all for $30. Seriously. The Pan sounds too good to be true -- but it isn't.
You can read more about it in t... | eng_Latn | 9,265 |
What are the type of sensors used to detect plant diseases in Agriculture? | Which sensor is used to detect the disease in plants? | What's the best hand held magnifying glass I can buy in India? I want one with really high clarity? | eng_Latn | 9,266 |
what advantage gained by staining cells? | Details are seen easier and with more clearity. | did you also prepare a standard solution? because the way i do it, is that i have a standard so i can compare the 2 absorbtions (same wavelength)...You know the equation.. | eng_Latn | 9,267 |
Characterization of PicoGreen interaction with dsDNA and the origin of its fluorescence enhancement upon binding. | Characterization of PicoGreen Reagent and Development of a Fluorescence-Based Solution Assay for Double-Stranded DNA Quantitation | Investigations on DNA intercalation and surface binding by SYBR Green I, its structure determination and methodological implications | eng_Latn | 9,268 |
Grown , Printed , and Biologically Augmented : An Additively Manufactured Microfluidic Wearable , Functionally Templated for Synthetic Microbes | The Chemical Basis of Morphogenesis | Data quality assessment: The Hybrid Approach | eng_Latn | 9,269 |
Making sense of sensing systems: five questions for designers and researchers | Tangible bits: towards seamless interfaces between people, bits and atoms | Utilization of flue gas for cultivation of microalgae Chlorella sp.) in an outdoor open thin-layer photobioreactor | eng_Latn | 9,270 |
LCD Mura Detection Based on Accumulated Differences and Multi-resolution Background Subtraction | Low-contrast surface inspection of mura defects in liquid crystal displays using optical flow-based motion analysis | Smartwatch in vivo | eng_Latn | 9,271 |
security metrics in industrial control systems . | An Attack Surface Metric | Measuring the Spatial Distribution of Dielectric Constants in Polymers through Quasi-Single Molecule Microscopy | eng_Latn | 9,272 |
Design of Organic TFT Pixel Electrode Circuit for Active-Matrix OLED Displays | Improved a-Si:H TFT pixel electrode circuits for active-matrix organic light emitting displays | A Mixture IRT Analysis of Risky Youth Behavior | kor_Hang | 9,273 |
CMOS Amperometric Instrumentation and Packaging for Biosensor Array Applications | Electrochemical array microsystem with integrated potentiostat | Duration Dependence and Dispersion in Count-Data Models | eng_Latn | 9,274 |
Non-invasive blood glucose monitoring with Raman spectroscopy: prospects for device miniaturization | Continuous Glucose Monitoring Systems: A Review | A glucose-sensing contact lens: from bench top to patient | eng_Latn | 9,275 |
A soft, wearable microfluidic device for the capture, storage, and colorimetric sensing of sweat | A flexible and highly sensitive strain-gauge sensor using reversible interlocking of nanofibres | Significance-Linked Connected Component Analysis for Wavelet Image Coding | eng_Latn | 9,276 |
Terahertz Light-Field Imaging | A Real-Time Distributed Light Field Camera | The Effects of Pharmaceutical Excipients on Gastrointestinal Tract Metabolic Enzymes and Transporters—an Update | ind_Latn | 9,277 |
PiCam: an ultra-thin high performance monolithic camera array | Improving resolution by image registration | Bio-medically active zinc oxide nanoparticles synthesized by using extremophilic actinobacterium, Streptomyces sp. (MA30) and its characterization. | eng_Latn | 9,278 |
A Photonic In-Memory Computing primitive for Spiking Neural Networks using Phase-Change Materials | Broadcast and Weight: An Integrated Network For Scalable Photonic Spike Processing | potentiostat readout circuit design for a 3 - electrode electrochemical biosensing measurement system . | eng_Latn | 9,279 |
Adaptive Color Attributes for Real-Time Visual Tracking | Exploiting the circulant structure of tracking-by-detection with kernels | Key advances in the chemical modification of nanocelluloses | eng_Latn | 9,280 |
Wearable Flexible Sensors: A Review | A flexible and highly sensitive strain-gauge sensor using reversible interlocking of nanofibres | Keloid Scarring: New Treatments Ahead | yue_Hant | 9,281 |
Novel Approach to Non-Invasive Blood Glucose Monitoring Based on Transmittance and Refraction of Visible Laser Light | Non-invasive wearable electrochemical sensors: a review. | Textile sensors to measure sweat pH and sweat-rate during exercise | eng_Latn | 9,282 |
what is are furoscent dyes | The Fluorescence Process. Fluorescence is the result of a three-stage process that occurs in certain molecules (generally polyaromatic hydrocarbons or heterocycles) called fluorophores or fluorescent dyes (Figure 1).he Fluorescence Process. Fluorescence is the result of a three-stage process that occurs in certain mole... | Mordant dyes are those that can be applied only with a fixing agent, or mordant. The fixing agents are often metal compounds, particularly those whose cations form coordination complexes. Alizarin is a mordant dye, and with different metal compounds it gives a range of colors. | eng_Latn | 9,283 |
New insight into the application of GFP chromophore inspired derivatives: a F− fluorescent chemodosimeter | A GFP chromophore inspired fluorescent chemodosimeter was synthesized, which exhibited “naked-eye” detection for F− with high selectivity and sensitivity based on F− promoted cleavage of silicon–oxygen bonds and the deprotonation reaction via hydrogen-bonding interactions. | The propagation of light on a set of null paths in a pseudo-Riemannian manifold is studied using a variational principle of extremal energy. This method is compared with those based on the geodesics and Fermat principles. For the static space-time all three variational methods give the same solutions. The Fermat princi... | eng_Latn | 9,284 |
Optimization of Microwave-Assisted Pretreatment of Rice Straw with FeCl 3 in Combination with H 3 PO 4 for Improving Enzymatic Hydrolysis | Pretreatment is a key step to alter the recalcitrance structure of lignocellulosic biomass for enhancing enzymatic hydrolysis. Rice straw is an agricultural residue which is one of the potential substrate for ethanol production. In the present work, optimization of microwave-assisted pretreatment of rice straw in FeCl3... | A novel heat-sinking, self-referencing fiber optic emission probe having a sapphire fiber probe head is described. The laser heating effect in a GaAs wafer (on a polytetrafluoroethylene (PTFE) platform) has been measured with the probe in both the noncontact proximity mode and the contact mode. The GaAs/PTFE composite ... | eng_Latn | 9,285 |
In simple terms , phosphorescence is a process in which energy absorbed by a substance is released relatively slowly in the form of light . | Phosphorescence is a process in which energy absorbed by a substance is released relatively slowly in the form of light . | It is a permissive license , meaning that it allows programmers to put the code in proprietary software on the condition that the license is given with that software , and GPL-compatible , meaning that the GPL permits programmers to combine and redistribute it with software that uses the MIT License . | eng_Latn | 9,286 |
Stanovení vybraných analytických charakteristik a antioxidační aktivity medu | In the theoretical part of the thesis the characteristics of honey and the description of honey types are given, as well as its physical properties and chemical composition. It also deals with the methodology of used methods for the determination of selected analytical parameters, polyphenolic compounds and antioxidant... | We review the structure and energetics of the extended defects found in ion implanted Si as a function of annealing conditions and show that the defect kinetics can be described by an Ostwald ripening process whereby the defects exchange Si atoms and evolve in size and type to minimize their formation energy. Finally, ... | ces_Latn | 9,287 |
Efficient Ray Tracing of Parametric Surfaces for Advanced Effects | Fast bvh construction on gpus | Intake of garlic and its bioactive components. | eng_Latn | 9,288 |
How do those advertisements on the Internet know to interact with my mouse when I go across the advertisement? For example, like the one where you can make the character in the advertisement move his eyes or body just by moving the mouse up, down and across. | Thats the JAVA Script they have.\n\nIts related to mouse movement... based on which the image moves. | How capillary action makes water go up...???\n\nEven though we usually think of water as running downhill, it can indeed flow upwards using a process called capillary action (pronounced kap uh LAR ee, is the tendency of liquids to move into or out of tiny, hairlike passageways) . This is the very scientific principal t... | eng_Latn | 9,289 |
pfp definition | One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids. An acronym that means picture for proof, largely used in text. pfp is a response to an action that someone says they are doing. Whether it is used online or in a text message. Most commonly used on status up... | Green fluorescent protein complex with peptide-derived chromophore (1ema). Green fluorescent protein (GFP) is a bioluminescent polypeptide consisting of 238 residues isolated from the body of Aequorea victoria jellyfish.GFP converts the blue chemiluminescent of aequorin in the jellyfish into green fluorescent light.ree... | eng_Latn | 9,290 |
quizlet how would you test the purity of aspirin | To put it simply there is a visible violet color reaction. Because violet is the color with the shortest wavelength (400-420 nm) it can easily be measured by a Visual Spectrophotometer. The intensity of the color is related to the purity and concentration of aspirin in a tablet. Using a series of different aspirin conc... | Making the world better, one answer at a time. The easiest way to test the purity of gold is to use a kit with a touchstone, acids, and test needles of varying purities. You rub a needle of known purity onto the touchstone leaving a gold line, then do the same with your unknown item.aking the world better, one answer a... | eng_Latn | 9,291 |
what does phenolphthalein detect? | Phenolphthalein. Phenolphthalein is another commonly used indicator for titrations, and is another weak acid. In this case, the weak acid is colourless and its ion is bright pink. Adding extra hydrogen ions shifts the position of equilibrium to the left, and turns the indicator colourless. Adding hydroxide ions removes... | A pink color in a solution with phenolphthalein indicates that the solution is basic. In acid phenolphthalein solutions, the solution will turn colorless.dit. Share to: 1 Properties and Uses of the Phenolphthalein indicator Phenolphthalein is a chemical with the formula C20H14O4 and used in several practical applica... | eng_Latn | 9,292 |
define absorbance in biology | Best Answer: Absorbance: A logarithmic measure of the amount of light absorbed (at particular wavelength) as the light passes through a sample or substance ... | Absorbance vs Transmittance. Absorbance and transmittance are two very important concepts discussed in spectrometry and analytical chemistry. Absorbance can be identified as the amount of light which is absorbed by a given sample. Transmittance can be recognized as the amount of light passed through that sample. | eng_Latn | 9,293 |
what can a spectrometer be used for | A spectrophotometer is an instrument that can pass light of a single wavelength through a solution and measure the amount that passes through. First, the spectrophotometer must be zeroed by passing light of the chosen wavelength (500 nm for example) through a blank containing only the solvent. spectrophotometer can be ... | Mass spectrometry is an indispensable tool for peptide and protein analysis owing to its speed, sensitivity, and versatility.It can be used to determine amino acid sequences of peptides, and to characterize a wide variety of post-translational modifications such as phosphorylation and glycosylation.ass spectrometry can... | eng_Latn | 9,294 |
Transparent dynamic instrumentation | Xen and the art of virtualization | Supramolecular systems chemistry. | eng_Latn | 9,295 |
Transport and modeling of estrogenic hormones in a dairy farm effluent through undisturbed soil lysimeters. | Fate and transport of selected estrogen compounds in Hawaii soils: effect of soil type and macropores. | Mounting evidence against the role of ICC in neurotransmission to smooth muscle in the gut | eng_Latn | 9,296 |
An above-ground biomass production model for a common reed () stand | The development and current status of perennial rhizomatous grasses as energy crops in the US and Europe | Root production and belowground seagrass biomass | eng_Latn | 9,297 |
Response of Switchgrass (Panicum virgatum L.) to Clipping Frequency | Effect of time of cutting on yield and feeding value of prairie hay. | Completely Stale Transmitter Channel State Information is Still Very Useful | eng_Latn | 9,298 |
[The pharmacist Ludwig Franz Bley (1801-1868) and his influence on the development of technology]. | Bley is one of the pharmacists who is nearly forgotten today. His scientific work is very extensive and diversified (535 paper in 12 scientific journals). The present article gives a short biography and shows Bley contributions in the field of technological development (for example using of sugarbeet) in Germany in the... | Abstract Unprotected streams within the agricultural Midwest region of the United States are subject to sedimentation, nutrification, and agricultural chemicals. Grass riparian filter strips (GRFSs) have been implemented as a best management practice to minimize sedimentation and associated materials that are harmful t... | eng_Latn | 9,299 |
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