publicationDate stringlengths 10 10 | abstract stringlengths 0 37.3k | title stringlengths 1 5.74k | doi stringlengths 11 47 ⌀ |
|---|---|---|---|
2020-06-01 | Background: Although low-intensity pulsed ultrasound has been reported to be potential cartilage regeneration, there still unresolved treatment due to cartilage fibrosis and degeneration by a lack of rapid and high-efficiency treatment. The purpose of this study was to investigate the effect of a combination therapy of... | A Combinational Therapy of Articular Cartilage Defects: Rapid and Effective Regeneration by Using Low-Intensity Focused Ultrasound After Adipose Tissue-Derived Stem Cell Transplantation | 10.1007/s13770-020-00256-6 |
2020-06-01 | In low-input farming systems, the availability of nutrients can limit yields as well as biological nitrogen fixation (BNF). The adaptability of legume species to soil fertility conditions may be relevant for designing crop rotations. The aim of this study was to determine the effect of soil fertility on biological N fi... | Biological Nitrogen Fixation Response to Soil Fertility Is Species-Dependent in Annual Legumes | 10.1007/s42729-019-00144-6 |
2020-06-01 | Purpose In this study, we focused on the role of elevated serum interleukin 6 (IL-6) concentration in predicting 5-year cardiovascular mortality in hemodialysis patients using low-flux dialyzer reuse. Materials and methods We measured serum IL-6 concentrations in 236 hemodialysis patients (138 males and 98 females) to ... | Interleukin 6 is a better predictor of 5-year cardiovascular mortality than high-sensitivity C-reactive protein in hemodialysis patients using reused low-flux dialyzers | 10.1007/s11255-020-02461-7 |
2020-05-30 | In this review article, we first briefly introduce the transport theory and quantum molecular dynamics model applied in the study of the heavy ion collisions from low to intermediate energies. The developments of improved quantum molecular dynamics model (ImQMD) and ultra-relativistic quantum molecular dynamics model (... | Progress of quantum molecular dynamics model and its applications in heavy ion collisions | 10.1007/s11467-020-0961-9 |
2020-05-30 | Background To compare the clinical characteristics of acute lower respiratory tract infections (ALRTIs) caused by respiratory syncytial virus (RSV) and human rhinovirus (HRV) and to explore the relationship between the development of recurrent wheezing/asthma and RSV/ HRV infections in infancy. Methods Retrospective st... | Comparison of clinical features of acute lower respiratory tract infections in infants with RSV/HRV infection, and incidences of subsequent wheezing or asthma in childhood | 10.1186/s12879-020-05094-4 |
2020-05-28 | Background The use of biostimulants like humic substances is a promising innovative approach in agriculture to activate and sustain physiological plant processes. The development of specific bioassays is required to study their bioactivity in laboratory conditions. In previous investigations, a soil-less bioassay with ... | Interactions between abiotic factors and the bioactivity of biodynamic horn manure on the growth of garden cress (Lepidium sativum L.) in a bioassay | 10.1186/s40538-020-0176-x |
2020-05-28 | Background Bisphenol S (BPS) is increasingly used as a replacement for bisphenol A in the manufacture of products containing polycarbonates and epoxy resins. However, further studies of BPS exposure are needed for the assessment of health risks to humans. In this study we assessed the potential harmfulness of low-dose ... | Low doses of Bisphenol S affect post-translational modifications of sperm proteins in male mice | 10.1186/s12958-020-00596-x |
2020-05-27 | Background Neutropenic sepsis remains a common treatment complication for patients receiving systemic anti-cancer treatment. The UK National Institute for Health and Care Excellence have not recommended switching from empirical intravenous antibiotics to oral antibiotics within 48 h for patients assessed as low risk fo... | Early switch from intravenous to oral antibiotic therapy in patients with cancer who have low-risk neutropenic sepsis (the EASI-SWITCH trial): study protocol for a randomised controlled trial | 10.1186/s13063-020-04241-1 |
2020-05-27 | Background Cardiopulmonary bypass (CPB) with high-priming volume can significantly activate the inflammatory response and increse the usage of packed red blood cells (PRBCs). As risks and complications related to transfusions are increasing, many cardiac centers are focusing on reducing the priming volume of CPB. In ou... | Effects of cardiopulmonary bypass with low-priming volume on clinical outcomes in children undergoing congenital heart disease surgery | 10.1186/s13019-020-01151-w |
2020-05-27 | Protein–ligand docking is an important approach for virtual screening and protein function annotation. Although many docking methods have been developed, most require a high-resolution crystal structure of the receptor and a user-specified binding site to start. This information is, however, not available for the major... | EDock: blind protein–ligand docking by replica-exchange monte carlo simulation | 10.1186/s13321-020-00440-9 |
2020-05-27 | Low phytate soybeans are desirable both from a nutritional and economic standpoint. Inositol 1, 3, 4, 5, 6-penta kis phosphate 2-kinase (IPK1), optimizes the metabolic flux of phytate generation in soybean and thus shows much promise as a likely candidate for pathway regulation. In the present study, the differential s... | Expression profiling and in silico homology modeling of Inositol pentakisphosphate 2-kinase, a potential candidate gene for low phytate trait in soybean | 10.1007/s13205-020-02260-y |
2020-05-24 | Background Patients with moderate-severe systolic dysfunction undergoing coronary artery bypass graft have a higher incidence of postoperative low cardiac output. Preconditioning with levosimendan may be a useful strategy to prevent this complication. In this context, design cost-effective strategies like preconditioni... | Preconditioning with levosimendan reduces postoperative low cardiac output in moderate-severe systolic dysfunction patients who will undergo elective coronary artery bypass graft surgery: a cost-effective strategy | 10.1186/s13019-020-01140-z |
2020-05-22 | Abstract Raw egg freshness indexes mainly include sensory indicators, air cell height, Haugh unit, pH value, yolk index, specific gravity of eggs and total volatile basic nitrogen content. Traditional methods can test only part samples with low efficiency. This paper reviews the application of visible/near infrared spe... | Non-destructive testing technology for raw eggs freshness: a review | 10.1007/s42452-020-2906-x |
2020-05-20 | Star formation is a multi-scale, multi-physics problem ranging from the size scale of molecular clouds ( ∼ 10 ${\sim} 10$ s pc) down to the size scales of dense prestellar cores ( ∼ 0.1 ${\sim} 0.1$ pc) that are the birth sites of stars. Several physical processes like turbulence, magnetic fields and stellar feedback, ... | Zooming in on Individual Star Formation: Low- and High-Mass Stars | 10.1007/s11214-020-00688-5 |
2020-05-20 | The removal of Hg from contaminated aquatic media is of major importance, taking into consideration the highly toxic character of the element. One of the most promising water treatment technologies is adsorption by low cost adsorbents, such as activated carbon produced by agricultural byproducts. In this study, activat... | Enhanced Hg Removal from Aqueous Streams by Sulfurized Activated Carbon Products: Equilibrium and Kinetic Studies | 10.1007/s11270-020-04606-x |
2020-05-19 | Background Intellectual disability (ID) is a heterogeneous neurodevelopmental disorder with a complex genetic underpinning in its etiology. Chromosome microarray (CMA) is recommended as the first-tier diagnostic test for ID due to high detection rate of copy number variation (CNV). Methods To identify an appropriate cl... | The diagnostic yield of intellectual disability: combined whole genome low-coverage sequencing and medical exome sequencing | 10.1186/s12920-020-0726-x |
2020-05-18 | Photosynthesis plays a vital role in maintaining vigorous, healthy turf under nitrogen (N)-limiting conditions. The effects of low N stress on the aboveground growth of bermudagrass ( Cynodon dactylon (L.) Pers.) as well as its photosynthesis, chlorophyll fluorescence, CO 2 assimilation, and carbohydrate pools were stu... | Leaf photosynthesis and CO2 assimilation in response to low nitrogen supply in bermudagrass (Cynodon dactylon (L.) Pers.) | 10.1007/s11738-020-03077-1 |
2020-05-16 | Abstract Cladded multilayer multi-material sheets are now extensively being used in different engineering fields. These sheets are well known for their excellent mechanical and functional properties, corrosion resistance and electrical conductivity. In the present study, low velocity impact of cladded two-layer sheets ... | Experimental and numerical investigation of impact resistance of aluminum–copper cladded sheets using an energy-based damage model | 10.1007/s40430-020-02397-0 |
2020-05-15 | Ni-Mo low alloy steel exhibits an admirable amalgamation of high strength and toughness at subzero temperature and show resistance to brittle fracture with good weldability. This steel has been established to fulfill the needs of specific applications, such as the construction of ships and submarines. To develop a comp... | Develop a flux cored wire for submerged arc welding of Ni-Mo low alloy steel | 10.1007/s12046-020-01362-w |
2020-05-15 | Leonardite (LND), a low-grade coal, is an inexpensive material used to improve soil fertility in humic-deficient soils. Our objective was to quantify the ability of LND to immobilize atrazine (ATZ). To accomplish this, LND morphological properties, elemental composition, and spectroscopic properties were determined. We... | Immobilization of Atrazine Using Oxidized Lignite Amendments in Agricultural Soils | 10.1007/s11270-020-04608-9 |
2020-05-14 | The rutile Sn x Ti 1− x O 2 ( x = 0, 0.33, 0.5, 0.67, 1) solid solution was synthesized by a one-step hydrothermal method, in which tetrabutyl titanate and Tin (IV) chloride pentahydrate were used as raw materials. A series of Ru/Sn x Ti 1− x O 2 were then prepared by the impregnation process in RuCl 3 to investigate t... | A Novel One-Step Hydrothermal Preparation of Ru/SnxTi1−xO2 Diesel Oxidation Catalysts and its Low-Temperature Performance | 10.1186/s11671-020-03339-4 |
2020-05-14 | Background The Majority (99%) of maternal deaths occur in low and middle-income countries. The three most important causes of maternal deaths in these regions are postpartum hemorrhage, pre-eclampsia and puerperal sepsis. There are several diagnostic criteria used to identify sepsis and one of the commonly used criteri... | Risk factors for postpartum sepsis: a nested case-control study | 10.1186/s12884-020-02991-z |
2020-05-12 | Background Green tea drinking has been proven to lower lipid and exert cardiovascular protection, while the potential mechanism has not been fully determined. This study was to investigate whether the beneficial impact of epigallocatechingallate (EGCG), a type of catechin in green tea on lipids is associated with propr... | Beneficial impact of epigallocatechingallate on LDL-C through PCSK9/LDLR pathway by blocking HNF1α and activating FoxO3a | 10.1186/s12967-020-02362-4 |
2020-05-11 | Background Carbon disulfide (CS 2 ) exacerbates the effect of noise on hearing, and disrupts the vestibular system. The goal of this study was to determine whether these effects are also observed with intermittent CS 2 exposure. Methods Rats were exposed for 4 weeks (5 days/week, 6 h/day) to a band noise at 106 dB SPL ... | Effects of co-exposure to CS2 and noise on hearing and balance in rats: continuous versus intermittent CS2 exposures | 10.1186/s12995-020-00260-5 |
2020-05-11 | Background Low back pain is highly prevalent and a major source of disability worldwide. Spa therapy is frequently used to treat low back pain, but the associated level of evidence for efficacy is insufficient. To fill this knowledge gap, this protocol proposes an appropriately powered, prospective, evaluator-blinded, ... | Usual care including home exercise with versus without spa therapy for chronic low back pain: protocol for the LOMBATHERM’ study, a multicentric randomised controlled trial | 10.1186/s13063-020-04271-9 |
2020-05-08 | Background Cigarette smoke (CS) exposure impairs serum lipid profiles and the function of vascular endothelial cells, which accelerates the atherosclerosis. However, the precise mechanism and effect on the expression of low-density lipoprotein receptor (LDLR) in the liver by CS exposure is still unclear. Methods In thi... | Cigarette smoke exposure impairs lipid metabolism by decreasing low-density lipoprotein receptor expression in hepatocytes | 10.1186/s12944-020-01276-w |
2020-05-07 | Background Individuals living in deprived inner cities have disproportionately high rates of cancers, Type 2 diabetes and obesity, which have stress- and physical inactivity-related etiologies. This study aims to quantify effects of ecological park restoration on physical activity, stress and cardio-metabolic health ou... | Study of active neighborhoods in Detroit (StAND): study protocol for a natural experiment evaluating the health benefits of ecological restoration of parks | 10.1186/s12889-020-08716-3 |
2020-05-04 | In this study, we report an opto-microfluidic platform integrated with dark-field light scattering imaging and fluorescence microspectroscopy to investigate the temperature-dependent behavior of nanoliposomes. This newly developed experimental platform enabled both in situ measurements of the temperature of the sample ... | Optical measurement platform of temperature-dependent interaction between nanoliposomes and a polymer-grafted surface | 10.1007/s10544-020-00489-1 |
2020-05-04 | A disposable surface-enhanced Raman scattering (SERS) substrate was prepared by successively spraying silver nanoparticles (AgNPs) and gold nanoparticles (AuNPs) onto commercial filter paper using an inexpensive consumer sprayer. The strong surface enhancement of AgNPs and chemical stability of AuNPs can be advantageou... | Fabrication of paper-based SERS substrates by spraying silver and gold nanoparticles for SERS determination of malachite green, methylene blue, and crystal violet in fish | 10.1007/s00604-020-04262-2 |
2020-05-04 | Background Therapies that significantly improve the neurological and functional recovery of individuals with spinal cord injury (SCI) are still urgently needed. The ketogenic diet (KD) has been shown to improve forelimb motor function in an SCI rat model, likely by reducing inflammation and cell death in the spinal cor... | Evaluation of a ketogenic diet for improvement of neurological recovery in individuals with acute spinal cord injury: study protocol for a randomized controlled trial | 10.1186/s13063-020-04273-7 |
2020-05-01 | Amaterial for low-temperature co-fired ceramic technology was developed in the Li 2 O–ZnO–TiO 2 system for use in the manufacture of electronic components. The sintering temperature of the material was lowered from 1075 to 950°C by introducing 3% of a sintering additive with a eutectic composition in the Li 2 O–B 2 O 3... | Li2Zn3Ti4O12 Low-Temperature Co-Fired Ceramic with Li2O–B2O3–SiO2 Additive | 10.1007/s10717-020-00234-3 |
2020-05-01 | Abstract Deep seismic studies of the upper mantle conducted in Russia with the use of nuclear explosions and laboratory studies of mantle materials at high pressure and temperature have revealed new structural and petrophysical features of the upper mantle beneath Northern Eurasia. These features are hard to explain wi... | Petrophysical Features of the Upper Mantle Structure beneath Northern Eurasia and Their Nature | 10.1134/S0869591120030042 |
2020-05-01 | Light-harvesting complex II (LHCII) is the major antenna complex in higher plants and green algae. It has been suggested that a major part of the excited state energy dissipation in the so-called “non-photochemical quenching” (NPQ) is located in this antenna complex. We have performed an ultrafast kinetics study of the... | Characterization of fluorescent chlorophyll charge-transfer states as intermediates in the excited state quenching of light-harvesting complex II | 10.1007/s11120-020-00745-8 |
2020-05-01 | Two precursors, viz. Pb 0.98 Na 0.02 Te and Zn 0.85 Al 0.15 Te, have been synthesized using low-temperature hydrothermal synthesis, followed by thorough mixing and grinding to obtain (Pb 0.98 Na 0.02 Te) 1− x (Zn 0.85 Al 0.15 Te) x -Te composites with x = 0.04, 0.08, 0.12, and 0.20. The resulting powders were sintered... | Thermoelectric Transport in p-Type (Pb0.98Na0.02Te)1−x(Zn0.85Al0.15Te)x-Te Composites Fabricated Using a Combination of Hydrothermal Synthesis and Evacuating-and-Encapsulating Sintering | 10.1007/s11664-020-07994-2 |
2020-05-01 | The SPICA-SAFARI instrument requires extremely sensitive transition edge sensor (TES) arrays with a noise equivalent power of $$2 \times 10^{ - 19} \;{\text{W/}}\sqrt {\text{Hz}}$$ 2 × 10 - 19 W/ Hz and a readout system with an output noise that is dominated by the detector noise. It is essential to ensure the frequenc... | Noise Measurements of a Low-Noise Amplifier in the FDM Readout System for SAFARI | 10.1007/s10909-019-02328-x |
2020-05-01 | Abstract The effects of a long-term (6-day) exposure to low positive temperature (4°С, LT treatment) and short-term (3 h per a day for 6 days) daily temperature drops to 4°С (DROP treatment) on leaf respiration in winter wheat ( Triticum aestivum L., var. Moskovskaya 39) were studied under controlled conditions. In the... | Response of Winter Wheat Seedlings Respiration to Long-Term Cold Exposure and Short-Term Daily Temperature Drops | 10.1134/S1021443720020065 |
2020-05-01 | To enable the utilization of low-grade and high-sulfur bauxite, the suspension calcination was used to remove the sulfur and the activate silica minerals, and the calcinated bauxite was subjected to a desilication process in NaOH solution under atmospheric pressure. The desulfurization and desilication properties and m... | Suspension calcination and alkali leaching of low-grade high-sulfur bauxite: Desulfurization, mineralogical evolution and desilication | 10.1007/s12613-019-1941-3 |
2020-05-01 | The subtropical monsoon climate characterized by high or low temperature and humidity can induce cold and heat stress for newborn animals, which results in adverse effect on birth weight and even pre-weaning mortality. However, this early growth performance on indigenous goats is affected by cold and heat climatic envi... | Cold and heat climatic variations reduce indigenous goat birth weight and enhance pre-weaning mortality in subtropical monsoon region of China | 10.1007/s11250-019-02142-3 |
2020-05-01 | Tri-substituted cardanol based benzoxazine with functionalized rice husk ash (CBz/FRHA) bio-composites were developed using renewable resource materials, and their thermal, electrical, and biological properties were studied by different analytical methods. The molecular structure of CBz was confirmed by nuclear magneti... | Environmentally sustainable rice husk ash reinforced cardanol based polybenzoxazine bio-composites for insulation applications | 10.1007/s00289-019-02854-4 |
2020-05-01 | The summer spatial structure and sub-monthly temporal evolution of one of the key dynamical features of Central American climate, the Caribbean Low-Level Jet (CLLJ), is investigated by means of extended empirical orthogonal functions (EEOFs). The Caribbean 925-hPa zonal wind from the CFSR reanalysis for the period 1979... | Sub-monthly evolution of the Caribbean Low-Level Jet and its relationship with regional precipitation and atmospheric circulation | 10.1007/s00382-020-05237-y |
2020-05-01 | Low-cycle fatigue and creep-fatigue tests were conducted at 815 °C on laser-welded, selective laser melted (SLM) Inconel 625 test specimens. The results showed that the microstructure of the welding zone was mainly composed of columnar dendrites, which grew epitaxially from the weld line and exhibited better fatigue an... | Study on the Microstructure and Fatigue Behavior of a Laser-Welded Ni-Based Alloy Manufactured by Selective Laser Melting Method | 10.1007/s11665-020-04844-4 |
2020-05-01 | Two sub-1-V MOSFETs only voltage reference designs, working in subthreshold region are proposed. They consume ultra-low power, exhibit high temperature and supply voltage independence, operate at sub-1-V supply and are suitable for fabrication using N-well CMOS technology. A voltage reference circuit (circuit-1) with d... | MOSFETs-only sub-1-V voltage references for ultra-low-power applications | 10.1007/s10470-020-01619-8 |
2020-05-01 | Wetland plants can tolerate long-term strict hypoxia and anoxic conditions and the subsequent re-oxidative stress compared to terrestrial plants. During O 2 deficiency, both wetland and terrestrial plants use NAD(P) + and ATP that are produced during ethanol fermentation, sucrose degradation, and major amino acid metab... | Tolerant mechanisms to O2 deficiency under submergence conditions in plants | 10.1007/s10265-020-01176-1 |
2020-05-01 | Low-temperature coal tar (LTCT) is a sticky liquid mixture produced mainly from coal pyrolysis, which contains various value-added chemicals (VACs). Liquid-liquid extraction is considered as one of the green and effective ways to explore the organic composition and separate the VACs from LTCT. Herein, petroleum ether, ... | Separation of arenols from a low-temperature coal tar by liquid-liquid extraction | 10.1007/s11814-020-0480-y |
2020-05-01 | The primary aim of this investigation is to examine the resistance spot weldability of dissimilar interstitial-free (IF) and high-strength low-alloy (HSLA) steels. The effect of dynamic contact resistance on the nugget diameter is examined. The mechanical properties of the spot-welded specimens are investigated in both... | Resistance Spot Welding of Dissimilar Interstitial-Free and High-Strength Low-Alloy Steels | 10.1007/s11665-020-04857-z |
2020-05-01 | The time-dependent evolution of the energy transfer into gas heating in the afterglow of pulsed CO 2 and CO 2 –N 2 glow discharges produced in cylindrical tubes at low pressures (1–5 Torr) is theoretically investigated, by developing a self-consistent model that couples the time-dependent gas thermal balance equation w... | Dynamics of Gas Heating in the Afterglow of Pulsed CO2 and CO2–N2 Glow Discharges at Low Pressure | 10.1007/s11090-020-10061-7 |
2020-05-01 | We report progress on the development of a light detector with Neganov–Luke (NL) phonon amplification. Double comb-like electrodes were fabricated on an intrinsic Si wafer to apply an electric field. A metallic magnetic calorimeter was used for a sensitive measurement of the temperature increase originating from the li... | Study on Phonon Amplification of Neganov–Luke Light Detectors | 10.1007/s10909-019-02263-x |
2020-05-01 | Microstructural improvement of Al-Cu-Li alloys with high Li content plays a critical role for the acquisition of excellent mechanical properties and ultra-low density. In this regard, the Al-Cu-Li alloy castings with high Li content from 1.5wt.% to 4.5wt.% were prepared by near-rapid solidification, followed by two-sta... | Microstructural evolution of Al-Cu-Li alloys with different Li contents by coupling of near-rapid solidification and two-stage homogenization treatment | 10.1007/s41230-020-0001-y |
2020-05-01 | Abstract Standard and alternative methods of assessing the likelihood of coal oxidation and self-ignition in the bed are analyzed. These methods are based on the change in the petrographic, physicomechanical, chemical, and thermal properties of the coal on oxidation. Most of the methods are unsuitable for identificatio... | Assessment of the Likelihood of Underground Coal Oxidation and Self-Ignition: A Review | 10.3103/S1068364X20050063 |
2020-05-01 | Abstract The processes that occur during loading and destruction of composite materials (CMs) are studied by the full pull-out method. The mechanisms of load and deformation transfer in CM and the effects of the plasma activation of fibers and of the matrix properties on them are ascertained. It is established that the... | Mechanism of Load and Deformation Transfer among Fibers in Composite Materials | 10.1134/S2075113320030260 |
2020-05-01 | We developed measurement systems for the simultaneous detection of phonon and scintillation signals from $$\hbox {Li}_2\hbox {MoO}_4$$ Li 2 MoO 4 crystals based on the metallic magnetic calorimeter (MMC) technology. Two measurements were carried out using $$\hbox {Li}_2\hbox {MoO}_4$$ Li 2 MoO 4 crystals of different s... | $$\hbox {Li}_2\hbox {MoO}_4$$Li2MoO4 Phonon–Scintillation Detection Systems with MMC Readout | 10.1007/s10909-019-02291-7 |
2020-05-01 | Background Obstructive sleep apnea-hypopnea syndrome (OSAHS) is a common sleep-related respiratory disease. Despite reports of low-temperature plasma radiofrequency ablation of tonsils and adenoids for the treatment of OSAHS, the effects on lung function and quality of life are unclear. Aims This study aims to explore ... | Effects of low-temperature plasma treatment on pulmonary function in children with obstructive sleep apnea-hypopnea syndrome | 10.1007/s11845-019-02132-2 |
2020-05-01 | Abstract Previously, we have demonstrated that such secondary metabolites as phosphoethanolamine (PE) and phosphoserine (PS) are low-temperature adaptogens specific to the brain of freshwater fish, in contrast to taurine which serves as an adaptogen in fish muscles and blood plasma. Here, we carry on investigating the ... | Secondary Metabolites and Aspartic
Acid in the Brain of the Frog Rana temporaria as
Low-Temperature Adaptogens | 10.1134/S0022093020030047 |
2020-05-01 | The paper discusses combined conditions of saturating martensitic steel with carbon and nitrogen using low-pressure atmospheres. The studied conditions include pre-carburizing, hardening heat treatment, and finishing nitriding, as well as pre-nitriding, subsequent carburizing, and heat treatment. Acomparative analysis ... | Use of Combined Methods of Successive Carburizing and Nitriding of Martensitic Steels in Low-Pressure Atmospheres | 10.1007/s11041-020-00524-1 |
2020-05-01 | Polymer gels can be placed in fractures within subsurface reservoirs to improve sweep efficiency during subsequent floods, and its success is largely determined by the gel’s ability to completely occupy the fracture volume. Gel volumetric properties may be influenced by mechanical and chemical conditions. In this work,... | The Mechanism for Improved Polymer Gel Blocking During Low-Salinity Waterfloods, Investigated Using Positron Emission Tomography Imaging | 10.1007/s11242-020-01417-w |
2020-05-01 | Abstract Samples of compounds were synthesized by the solid-phase method from the systems of barium, lanthanum, europium, and tungsten ternary oxides with the general formula Ba(La,Eu) 2 WO 7 . The unit cell parameters were refined, and the content of additional phases was determined using the full-profile calculation ... | Thermodynamic Properties of Europium-Doped BaLa2WO7-Based Compounds | 10.1134/S0036023620050101 |
2020-05-01 | By the methods of mathematical statistics, we deduce equations specifying the relationship between the technological parameters of hydrogen-free nitriding in glow discharge (temperature, composition of gas mixture, and its pressure) and the physicochemical properties of the nitrided surface layers of 40Kh structural st... | Physicochemical Properties of the Surface Layers of 40Kh Steel After Hydrogen-Free Nitriding in Glow Discharge | 10.1007/s11003-020-00384-3 |
2020-05-01 | The present investigation aimed at developing core–shell type low-methoxyl pectin (LMP)-fenugreek galactomannan carboxymethyl ether (FGCE)-nanosilica (NS) based composites for intragastric glimipride (GLI) delivery by combined bioadhesion-floating approache. Initially, FGCE (degree of carboxymethylation, 0.71) was synt... | Core–Shell Structured Low-Methoxyl Pectin-Fenugreek Galactomannan Carboxymethyl Ether-Nanosilica Based Gastroretentive Composites as Glimipride-Carriers | 10.1007/s10924-020-01708-9 |
2020-05-01 | Abstract Aliphatic and polycyclic aromatic hydrocarbons have been studied in suspended matter and bottom sediments at the geochemical barrier the Northern Dvina–Dvina Bay during spring flood and low-water season. The increase in the concentrations during spring flood (for aliphatic hydrocarbons, on the average, 154 µg/... | Hydrocarbons at the Geochemical Barrier the Northern Dvina–the White Sea | 10.1134/S0097807820030148 |
2020-05-01 | Spatiotemporal patterns in the basal resources fueling the macrobenthic food web of a temperate coastal embayment subject to a low-turbidity riverine discharge (Gwangyang Bay, Korea) were evaluated using carbon and nitrogen stable isotopes. This study examined trophic links of macrobenthic food web with primary product... | Isotopic Variation of Macroinvertebrates and Their Sources of Organic Matter Along an Estuarine Gradient | 10.1007/s12237-019-00543-z |
2020-05-01 | We use narrow spectral lines from the X-ray spectra of various highly charged ions to measure low-energy tail-like deviations from a Gaussian response function in a microcalorimeter X-ray spectrometer with Au absorbers at energies from 650 to 3320 eV. We review the literature on low-energy tails in other microcalorimet... | On Low-Energy Tail Distortions in the Detector Response Function of X-Ray Microcalorimeter Spectrometers | 10.1007/s10909-019-02270-y |
2020-05-01 | Reducing cadmium (Cd) accumulation in flue-cured tobacco is the main degree to reduce the harm of Cd to human health. In this study, a rhizobag experiment was conducted to investigate the characteristics of dissolved organic matter (DOM) in the rhizosphere of a low-Cd-accumulating tobacco line (RG11) and its role in th... | Fractionation and chemical structure of dissolved organic matter in the rhizosphere associated with cadmium accumulation in tobacco lines (Nicotiana tabacum L.) | 10.1007/s11356-020-08223-3 |
2020-05-01 | Hypoxia and mercury contamination often co-occur in tropical freshwater ecosystems, but the interactive effects of these two stressors on fish populations are poorly known. The effects of mercury (Hg) on recorded changes in the detailed form of the electrocardiogram (ECG) during exposure to progressive hypoxia were inv... | Interactive effects of mercury exposure and hypoxia on ECG patterns in two Neotropical freshwater fish species: Matrinxã, Brycon amazonicus and traíra, Hoplias malabaricus | 10.1007/s10646-020-02186-4 |
2020-05-01 | Abstract The effect of the α-olefin addition in the pyrolysis feedstock on the yield of ethylene, propylene, and divinyl (butadiene-1,3) was studied using the n -hexane–hexene-1 model system under conditions of a laboratory flow-type thermal pyrolysis setup. It was found that the total yield of unsaturated hydrocarbons... | The Effect of Hexene-1 in Feedstock on the Yield of Target Products during Thermal Pyrolysis of n-Hexane | 10.1134/S1070427220050109 |
2020-05-01 | Unsuitable pH is a major limiting factor for all organisms, and a low pH can lead to organism death. Late embryogenesis abundant (LEA) peptides confer tolerance to abiotic stresses including salinity, drought, high and low temperature, and ultraviolet radiation same as the LEA proteins from which they originate. In thi... | A Short Peptide Designed from Late Embryogenesis Abundant Protein Enhances Acid Tolerance in Escherichia coli | 10.1007/s12010-020-03262-5 |
2020-05-01 | As jarosite and oxalic acid are ubiquitous in nature, we investigated a remediation technology for uranium-contaminated site by photoinduced reduction coupled with adsorption of jarosite. Jarosite exhibited excellent adsorption properties for uranium, with a highest adsorption capacity 453.98 mg g −1 . With the presenc... | Removal of uranium by biogenetic jarosite coupled with photoinduced reduction in the presence of oxalic acid: a low-cost remediation technology | 10.1007/s10967-020-07125-5 |
2020-05-01 | Major congenital abdominal wall defects (gastroschisis and omphalocele) may account for up to 21% of emergency neonatal interventions in low- and middle-income countries. In many low- and middle-income countries, the reported mortality of these malformations is 30–100%, while in high-income countries, mortality in infa... | Major abdominal wall defects in the low- and middle-income setting: current status and priorities | 10.1007/s00383-020-04638-8 |
2020-05-01 | In this paper, we discuss experimental data obtained during study of the effect of a low-frequency alternating magnetic field on the conformational transitions of human serum albumin in the presence of silver nanoparticles using fluorescence spectroscopy at different pH values. A sharp increase in the albumin fluoresce... | The Effect of an Alternating Magnetic Field and Silver Nanoparticles on the Spectral Characteristics of an Aqueous Solution of Human Serum Albumin | 10.1134/S0006350920030203 |
2020-05-01 | Abstract We studied the currents mode of the Azov Sea on the basis of instrumental measurements of R/V Deneb in 2018 and 2019. Using ADCP current meters, water exchange between the Azov Sea and the Black Sea through Kerch Strait was estimated. The very strong dependence of the current velocities on the wind speed and ... | Dynamic Mode of the Azov Sea in Conditions of Salinization | 10.1134/S1028334X20050141 |
2020-05-01 | The Pamir plateau, located north of the western syntaxis of the India-Eurasia collision system, is regarded as one of the most possible places of the ongoing continental deep subduction. Based on a N-S trending linear seismic array across the Pamir plateau, we use the methods of the harmonic analysis of receiver functi... | Geodynamic processes of the continental deep subduction: Constraints from the fine crustal structure beneath the Pamir plateau | 10.1007/s11430-019-9587-3 |
2020-05-01 | Abstract The formation of three-phase cavitation bubbles in hydrophobic liquid when a cylindrical body slides along a rigid surface is experimentally investigated. The structure of cavitation bubbles is determined. Condensed–steam microdroplets with a positive electric surface charge are revealed on the gas–hydrophobic... | Vapor–Gas Cavitation and Accompanying Electrification in Sliding a Cylinder over a Surface | 10.1134/S0015462820030118 |
2020-05-01 | Purpose The purpose of this study was to study the impact of epidural analgesia using low-concentration local anesthetic during the entire labor on maternal and neonatal outcomes. Methods The authors enrolled 2310 parturient mothers who underwent vaginal delivery at their hospital since January 1, 2019. The parturients... | The effects of epidural analgesia using low-concentration local anesthetic during the entire labor on maternal and neonatal outcomes: a prospective group study | 10.1007/s00404-020-05511-8 |
2020-05-01 | Mixed lower urinary tract symptoms (LUTS) (voiding symptoms suggestive of benign prostatic hyperplasia plus storage symptoms, which can be caused by overactive bladder) are common in men. Unwanted contraction of prostate and/or bladder smooth muscle has been implied in the pathophysiology of male LUTS. Here, we examine... | The STK16 inhibitor STK16-IN-1 inhibits non-adrenergic and non-neurogenic smooth muscle contractions in the human prostate and the human male detrusor | 10.1007/s00210-019-01797-x |
2020-05-01 | Introduction and hypothesis We present the design of a randomized controlled trial, Fluids Affecting Bladder Urgency and Lower Urinary Symptoms (FABULUS), with the purpose of testing the common clinical advice of treating overactive bladder by eliminating potentially irritating beverages (PIBs) that are caffeinated, ar... | Fluids affecting bladder urgency and lower urinary symptoms (FABULUS): methods and protocol for a randomized controlled trial | 10.1007/s00192-019-04209-z |
2020-04-29 | Thermo-rheological characteristics of unmodified and modified bitumen have significant impacts on the mechanical response of asphalt. This study investigates the impacts of an organic and a chemical Warm Mix Asphalt additive on bitumen thermo-rheological and mechanical characteristics. Modified binders with different c... | Thermo-rheological analysis of WMA-additive modified binders | 10.1617/s11527-020-01480-1 |
2020-04-29 | Mechanical seal is installed in EVAHEART®, one of left ventricular assist device, which supports the role of original human heart. Low friction and low leakage are both required for mechanical seal for ventricular assist device to realize longer battery lifetime and less maintenance. In this study, several types of sur... | The Possibility of Both Low Friction and Low Leakage by Surface Texture of Mechanical Seals in Blood | 10.1007/s11249-020-01289-7 |
2020-04-28 | Background Bubble continuous positive airway pressure (CPAP) has been shown to be effective in supporting breathing in newborns with respiratory distress. The factors that influence implementation in resource-constrained settings remain unclear. The objective of this review is to evaluate the barriers and facilitators ... | Barriers and facilitators to implementing bubble CPAP to improve neonatal health in sub-Saharan Africa: a systematic review | 10.1186/s40985-020-00124-7 |
2020-04-25 | An overview of the formation mechanisms, fabrication methods, and applications of bioinspired wrinkling patterns on curved substrates is provided. The effect of substrate curvature is described in detail to clarify the difference of wrinkling patterns between planar and curved substrates. Opportunities and challenges o... | Bioinspired Multiscale Wrinkling Patterns on Curved Substrates: An Overview | 10.1007/s40820-020-00436-y |
2020-04-22 | Background Mitral valve stenosis in adults especially due to rheumatic heart disease may be associated with a smaller than normal left ventricular cavity. Mitral valve replacement in such cases may lead to hemodynamic instability either during weaning from cardiopulmonary bypass or in the early postoperative period man... | Mitral valve replacement in mitral stenosis; the problem of small left ventricle | 10.1186/s13019-020-01108-z |
2020-04-19 | Background Globally, two billion workers are employed informally but there is limited research on the relationship between informal work and health. Existing studies have focused on informality as an employment condition, with little emphasis on the diversity of physical and social contexts in which informal work takes... | Informal workplaces and their comparative effects on the health of street vendors and home-based garment workers in Yangon, Myanmar: a qualitative study | 10.1186/s12889-020-08624-6 |
2020-04-18 | Global energy demand is expected to increase in the following two decades. Operational flexibility of power generation systems is a key aspect when assessing potential solutions seeking to help meeting this expected increase in global energy demand. In low calorific value (LCV) gaseous fuels-fired power plants, it is p... | On dynamic modeling of industrial gas turbines based on low calorific value (LCV) gaseous fuels | 10.1007/s40430-020-02331-4 |
2020-04-14 | Here, we report on the inexpensive fabrication of an electrospray/electrospinning setup by fused deposition modelling (FDM) 3D printing and provide the files and parameters needed to print this versatile device. Both electrospray and electrospinning technologies are widely used for pharmaceutical, healthcare and bioeng... | Low-cost FDM 3D-printed modular electrospray/electrospinning setup for biomedical applications | 10.1186/s41205-020-00060-x |
2020-04-13 | Background Identifying regulatory measures to promote glucose oxidative metabolism while simultaneously reducing amino acid oxidative metabolism is one of the foremost challenges in formulating low-protein (LP) diets designed to reduce the excretion of nitrogen-containing substances known to be potential pollutants. In... | Effects of adding sodium dichloroacetate to low-protein diets on nitrogen balance and amino acid metabolism in the portal-drained viscera and liver of pigs | 10.1186/s40104-020-00437-2 |
2020-04-10 | We introduce a semi-implicit two-speed relaxation scheme to solve the compressible Euler equations in the low Mach regime. The scheme involves a relaxation system with two speeds, already introduced by Bouchut et al. (Numer Math, 2020. https://doi.org/10.1007/s00211-020-01111-5 ) in the barotropic case. It is entropy s... | A Low Cost Semi-implicit Low-Mach Relaxation Scheme for the Full Euler Equations | 10.1007/s10915-020-01206-z |
2020-04-10 | In this paper, we study the blow-up phenomenon for a general nonlinear nonlocal porous medium equation in a bounded convex domain ( Ω ∈ R n , n ≥ 3 ) $(\varOmega\in \mathbb{R}^{n}, n\geq 3)$ with smooth boundary. Using the technique of a differential inequality and a Sobolev inequality, we derive the lower bound for th... | Lower bound for the blow-up time for a general nonlinear nonlocal porous medium equation under nonlinear boundary condition | 10.1186/s13661-020-01372-x |
2020-04-08 | This paper discusses details of design and fabrication of a simple open-loop modular mini wind tunnel for studying fluid microstructure interaction under low Reynolds number. A simple open-loop modular mini wind tunnel was designed and built after examining various design possibilities. The mini wind tunnel consists of... | Design and study of mini wind tunnel for microsystems fluid interaction under low Reynolds number flows | 10.1007/s42452-020-2602-x |
2020-04-07 | We have developed a simple and versatile nanoplatform using pH-sensitive ferritin nanocages co-loaded with the anticancer drug curcumin (Cur) and liquid fluorocarbon perfluorohexane (PFH) inside the core and conjugated tumor-targeting molecule FA outside the shell referred to as FA-FCP. The synthesized FA-FCP has an av... | Curcumin-Loaded Nanoparticles with Low-Intensity Focused Ultrasound-Induced Phase Transformation as Tumor-Targeted and pH-Sensitive Theranostic Nanoplatform of Ovarian Cancer | 10.1186/s11671-020-03302-3 |
2020-04-06 | Ultrahigh specific surface area and low KOH amount are normally mutually exclusive and hard to attain simultaneously when using the traditional KOH activation. In this work, we report a facile approach to synthesize a series of porous carbons with ultrahigh specific surface area about 3000 m 2 g −1 by using a very low... | Liquid–liquid micromixing strategy enables low KOH-amount synthesis of ultrahighly porous carbon for zinc-ion storage | 10.1007/s42452-020-2666-7 |
2020-04-06 | Background Chronic brain hypoperfusion (CBH) is closely related to Alzheimer’s disease (AD) and vascular dementia (VaD). Meanwhile, synaptic pathology plays a prominent role in the initial stage of AD and VaD. However, whether and how CBH impairs presynaptic plasticity is currently unclear. Methods In the present study... | MicroRNA-153 impairs presynaptic plasticity by blocking vesicle release following chronic brain hypoperfusion | 10.1186/s12964-020-00551-8 |
2020-04-06 | Background Reducing the dependence of crop production on chemical fertilizer with its associated costs, carbon footprint and other environmental problems is a challenge for agriculture. New solutions are required to solve this problem, and crop breeding for high nitrogen use efficiency or tolerance of low nitrogen avai... | Novel low-nitrogen stress-responsive long non-coding RNAs (lncRNA) in barley landrace B968 (Liuzhutouzidamai) at seedling stage | 10.1186/s12870-020-02350-2 |
2020-04-02 | This paper investigates the tribological and related properties of naturally modified beech wood ( Fagus sylvatica ). The modifications were performed on steamed beech wood using a variety of treatments consisting of drying, heating in an aqueous solution, impregnation with liquefied animal glue as well as beeswax foll... | Slippery Wood: Low Friction and Low Wear of Modified Beech Wood | 10.1007/s11249-020-01297-7 |
2020-04-01 | The life prediction of mechanical components in presence of Thermo-Mechanical Fatigue (TMF) is a crucial issue of the design activity. In the combustion engine, that action looks rather difficult because of a superposition of several damage phenomena. Some TMF models are currently available in the literature, but they ... | LCF/TMF Model Based Approach for the Prediction of Fatigue Life of Components in Lightweight Automotive Engines | 10.1007/s12239-020-0028-5 |
2020-04-01 | Constructing potential anodes for sodium-ion batteries (SIBs) with a wide temperature property has captured enormous interests in recent years. Fe 1− x S, a zero-band gap material confirmed by density states calculation, is an ideal electrode for fast energy storage on account of its low cost and high theoretical capac... | Pseudocapacitive sodium storage of Fe1−xS@N-doped carbon for low-temperature operation | 10.1007/s40843-019-1220-2 |
2020-04-01 | This study investigates the effects on the radiator characteristic and/or the radiator operational behaviour by the set-back operation via the thermostatic radiator valves, over-dimensioning of the radiator units, and the radiator add-on fans. Accordingly, a new integrated steady-state radiator model was proposed with ... | Improved space-heating radiator model: Focus on set-back operation, radiator over-dimensioning, and add-on fans | 10.1007/s12273-019-0574-9 |
2020-04-01 | Cellulose nanocrystals (CNC) have been used as reinforcement in polymer nanocomposites to improve their mechanical and thermal properties. In this study, we synthesized CNC-reinforced polyurethane foams (CNC-PUF), which are the most important component of liquefied natural gas and liquefied petroleum gas insulation sys... | Influence of Cellulose Nanocrystal on the Cryogenic Mechanical Behavior and Thermal Conductivity of Polyurethane Composite | 10.1007/s10924-020-01673-3 |
2020-04-01 | Abstract High-insulation, long-life thermal barrier coatings (TBCs) decrease the service temperature of superalloys and improve the service life of gas turbines. Improvement in the thermal insulation properties of the coating mainly depends on the optimization of the TBC structure. An important challenge for TBCs is ma... | Low-thermal-conductivity thermal barrier coatings with a multi-scale pore design and sintering resistance following thermal exposure | 10.1007/s12598-020-01393-6 |
2020-04-01 | A series of LiFePO 4 /C composites with Ti in-situ doped has been synthesized by a combination of wet ball-milling, spray drying, and carbothermal reduction. The test result shows that the composite ion doping can significantly improve the electrochemical performance of the material. The discharge specific capacity of ... | Effect of Ti doping on LiFePO4/C cathode material with enhanced low-temperature electrochemical performance | 10.1007/s11581-019-03408-4 |
2020-04-01 | With global climate change in progress, a particular problem is that sudden drops in temperature affect the production of rice. In this study, we explored how to overcome the effects of chilling injury on rice seedlings. Wild-type Dular (WT) plants and Lsi1 ( low silicon rice 1 ) overexpressing Dular plants ( Lsi1 -OX)... | Lsi1 plays an active role in enhancing the chilling tolerance of rice roots | 10.1007/s10725-020-00577-5 |
2020-04-01 | In this study, the whole fraction low temperature coal tar (LTCT) was used as raw material, a series of hydrodeasphaltenization (HDAs) experiments were conducted in an isothermal trickle bed reactor, then the kinetic equation of the reaction was established in gPROMS software and the parameters were estimated. The tric... | Kinetic parameter estimation and reactor simulation of full-range low temperature coal tar during hydrodeasphaltenization over Ni–Mo/γ-Al2O3 | 10.1007/s11144-020-01745-4 |
2020-04-01 | Understanding shock wave propagation behavior in coatings is valuable for predicting their performance in high-velocity impacts. Samples of stainless steel were deposited by low pressure plasma spray and cold gas dynamic spraying. The sound speeds of the deposits were measured, and the deposits were tested in flyer pla... | Gas Gun Flyer Plate Impact Testing of Stainless Steel Deposited by Low Pressure Plasma Spraying and Cold Gas Dynamic Spraying | 10.1007/s11666-020-01013-w |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.