abstract：:The tresI gene of Myxococcus sp. strain V11 was cloned, and found to encode a trehalose synthase comprising 551 amino acids. The deduced molecular weight of the encoded TreS I protein 64.7 kDa and the isoelectric point (pI) was predicted to be 5.6. The catalytic cleft consists of the Asp202-Glu244-Asp310 catalytic tri...

authors： Zhao X,Chen Y,Zhang L,Li Z,Wu X,Chen J,Wang F

更新日期：2021-07-01 00:00:00

abstract：BACKGROUND:During the COVID-19 pandemic, many medical schools are forced to switch courses of the mandatory curriculum to online teaching formats. However, little information about feasibility and effectiveness is available yet about distance teaching in anatomy. The aim of this study was to evaluate the implementation...

authors： Darici D,Reissner C,Brockhaus J,Missler M

更新日期：2021-07-01 00:00:00

abstract：:The use of non-contact ultrasonic detection techniques is essential to develop an apparatus capable of inspecting components in service, operating in adverse environmental conditions or whose surfaces are challenging to access. Among these techniques, Gas-Coupled Laser Acoustic Detection (GCLAD) is based on measuring ...

authors： Gulino MS,Bruzzi M,Vangi D

更新日期：2021-07-01 00:00:00

abstract：:Colour polymorphisms are popular study systems among biologists interested in evolutionary dynamics, genomics, sexual selection and sexual conflict. In many damselfly groups, such as in the globally distributed genus Ischnura (forktails), sex-limited female colour polymorphisms occur in multiple species. Female-polymo...

authors： Blow R,Willink B,Svensson EI

更新日期：2021-07-01 00:00:00

abstract：:Apoptosis is a fundamental remodeling process for most tissues during development. In this manuscript we examine a pro-apoptotic function for the Drosophila DNA binding protein Zfh-2 during development of the central nervous system (CNS) and appendages. In the CNS we find that a loss-of-function zfh-2 allele gives an ...

authors： Guntur AR,Venkatanarayan A,Gangula S,Lundell MJ

更新日期：2021-07-01 00:00:00

abstract：:Water bodies worldwide have proven to be vast reservoirs of clinically significant antibiotic resistant organisms. Contamination of waters by anthropogenic discharges is a significant contributor to the widespread dissemination of antibiotic resistance. The aim of this research was to investigate multiple different an...

authors： Hooban B,Fitzhenry K,Cahill N,Joyce A,O' Connor L,Bray JE,Brisse S,Passet V,Abbas Syed R,Cormican M,Morris D

更新日期：2021-07-01 00:00:00

abstract：:Obesity is a global burden and a chronic ailment with damaging overall health effects. Ghrelin, an octanoylated 28 amino acid peptide hormone, is secreted from the oxyntic mucosa of the stomach. Ghrelin acts on regions of the hypothalamus to regulate feeding behavior and glucose homeostasis through its G protein-coupl...

authors： Nagi K,Habib AM

更新日期：2021-07-01 00:00:00

abstract：:A formulation for controlled delivery of ibuprofen (IBU) involving montmorillonite (MMT) nanoclays has been proposed. The present work has investigated the beneficial effect of MMT in improving controlled delivery of IBU. The intercalation of IBU into the interlayer of MMT was studied under different processing condit...

authors： Kwon WC,Choi M,Kang KC,Kim DH

更新日期：2021-07-01 00:00:00

abstract：:As hydrogen (H₂) gas is highly reactive and explosive in ambient atmosphere, its prompt detection in industrial areas is imperative to prevent serious accidents. In particular, high-performance H₂ sensors that can promptly detect even low-concentrations of H₂ gas are necessary for safety. Carbon nanotubes (CNTs) have ...

authors： Kim JK,Han M,Kim Y,An HK,Lee S,Kong SH,Jung D

更新日期：2021-07-01 00:00:00

abstract：:The demand for alternative energy is increasing rapidly because of global warming and the depletion of fossil fuels. Gasification is a technology that produces gaseous fuels through the incomplete combustion of waste or biomass. The introduction of a catalyst during gasification may increase the production of H₂ and r...

authors： Jeong S,Lee T,Lim SJ,Park YK,Kim S,Kim YM

更新日期：2021-07-01 00:00:00

abstract：:This study focuses on analyzing the effects of the SiO₂/Al₂O₃ ratio of a support on the physico-chemical properties of bead-type CoMo/HZSM-5 catalysts and on the catalytic performance during the hydrocracking reaction of PFO. CoMo/HZSM-5 catalysts were prepared by an incipient wetness method. Subsequently, binder-adde...

authors： Ku H,Oh SK,Kim K,Park YK,Jeon JK

更新日期：2021-07-01 00:00:00

abstract：:This study examined the catalytic effects of Al-MCM-41 on the pyrolysis of wood plastic composite via the thermogravimetric analysis (TGA) and model-free kinetic analysis. Al-MCM-41 containing nanopores, with a high BET surface area (633 m²/g) and acidity (SiO₂/Al₂O₃:25), reduced the decomposition temperature of wood ...

authors： Pyo SM,Kim YM,Jung JS,Yoo KS,Jung SC,Kim SC,Rhee GH,Park YK

更新日期：2021-07-01 00:00:00

abstract：:We investigate the effect of a semiconducting organic buffer layer (SOBL) on the injection and transport of charges in organic field-effect transistors (OFETs). Here, two different injection barriers at the source/organic semiconductor interface are respectively studied with the aid of a numerical simulation: one is i...

authors： Lee G,Park HL,Lee SH,Kim MH,Lee SD

更新日期：2021-07-01 00:00:00

abstract：:In a fish farm, the water quality is important to ensure fish growth and farm productivity. However, the study of the quality of water using in aquaculture has been ignored until now. Although there are several methods to treat water, nanomaterials have not yet been applied for indoor fish farming because it may diffi...

authors： Hwang MJ,Cha J,Kim ES

更新日期：2021-07-01 00:00:00

abstract：:In this study, we investigated the oxidation of acetaldehyde over Co/carbon black catalysts. All experiments were conducted in the temperature range of 200-440 °C, at an acetaldehyde concentration of 0.94 mol% in air, and using Co loading amounts in the range of 2-60 wt%. The nanosized carbon black and Co/carbon black...

authors： Yoon HS,Seo SG

更新日期：2021-07-01 00:00:00

abstract：:The catalytic combustion of acetaldehyde was studied using various types of Co oxides and Co-PC. The Co oxides and Co-PC were characterized using an X-ray diffractometer (XRD), X-ray photo-electron spectroscopy (XPS), and a particle sizing analyzer. The Co-PC and CoO were converted into Co₃O₄ under an air atmosphere a...

authors： Yoon HS,Seo SG

更新日期：2021-07-01 00:00:00

abstract：:Nanocrystalline HfN thin films were deposited onto silicon substrates with direct current magnetron sputtering (dcMS) and mid-frequency magnetron sputtering (mfMS) by using hafnium metallic target with 3-inch diameter and 99.9% purity in argon/nitrogen atmosphere, under 4 different pulse frequencies and duty cycles. I...

authors： Chun SY

更新日期：2021-07-01 00:00:00

abstract：HYPOTHESIS:Fluorocarbon gases introduced above monolayers of phospholipids at the air/water interface were recently found to promote the adsorption of diverse molecular compounds, with potential application in drug-loaded microbubble design. Quantitative determination of the fluorocarbon present in the monolayers is st...

authors： Liu X,Counil C,Shi D,Mendoza-Ortega EE,Vela-Gonzalez AV,Maestro A,Campbell RA,Krafft MP

更新日期：2021-07-01 00:00:00

abstract：:Graphene acoustic transducers have high sensitivity in receiving mode. However, they are used in transmitting mode with low radiation performance. A graphene acoustic transducer with high sensitivity and radiation performance is proposed in this study. The transducer is composed of graphene diaphragm, an insulating la...

authors： Guo X,An J,Wu H,Cai Z,Wang P

更新日期：2021-07-01 00:00:00

abstract：:Iron (Fe) is used in various cellular functions, and a constant balance between its uptake, transport, storage, and use is necessary to maintain its homeostasis in the body. Changes in Fe metabolism with a consequent overload of this metal are related to neurological changes and cover a broad spectrum of diseases, mai...

authors： Poetini MR,Musachio EAS,Araujo SM,Almeida FP,Dahleh MMM,Bortolotto VC,Janner DE,Pinheiro FC,Ramborger BP,Roehrs R,La Rosa Novo D,Mesko MF,Guerra GP,Prigol M

更新日期：2021-07-01 00:00:00

abstract：OBJECTIVE:This study aimed to examine whether an accelerated decline in quadriceps cross-sectional area (CSA), attenuation (a surrogate of quality), and strength, as well as lower limb muscular function, are associated with hip fractures in older adults with impaired kidney function. DESIGN:Prospective population-base...

authors： Marques EA,Elbejjani M,Viana JL,Gudnason V,Sigurdsson G,Lang T,Sigurdsson S,Aspelund T,Siggeirsdottir K,Launer L,Eiriksdottir G,Harris TB

更新日期：2021-07-01 00:00:00

abstract：:The poor grain filling of inferior spikelets (IS) situated on the lower secondary rachis branch leads to a remarkable decrease in rice yield and quality. The AGPase small subunit 2 (AGPS2) encodes a small subunit of adenosine diphosphate-glucose pyrophosphorylase (AGPase) enzyme, which plays an important role in sucro...

authors： Zhao H,Li Z,Amjad H,Zhong G,Khan MU,Zhang Z,Lin W

更新日期：2021-07-01 00:00:00

abstract：:Integrin signaling plays a fundamental role in the establishment of focal adhesions and the subsequent formation of invadopodia in malignant cancer cells. Invadopodia facilitate localized adhesion and degradation of the extracellular matrix (ECM), which promote tumour cell invasion and metastasis. Degradation of ECM c...

authors： Grafinger OR,Gorshtein G,Stirling T,Geddes-McAlister J,Coppolino MG

更新日期：2021-07-01 00:00:00

abstract：:Iron-polyphenol nanoparticles are usually prepared with nontoxic plant polyphenols as a main building block, which are an emerging photothermal agent for photothermal therapy. However, till now, few works have been made on the controllable synthesis of iron-polyphenol nanoparticles with tunable composition, as well as...

authors： Qin J,Liang G,Cheng D,Liu Y,Cheng X,Yang P,Wu N,Zhao Y,Wei J

更新日期：2021-07-01 00:00:00

abstract：:The demands for bioplastics that provide good barrier properties against moisture and oxygen while simultaneously displaying good physical properties without compromising their biodegradability is ever-increasing. In this work, a multiphase and multilayer film assembly composed of thermoplastic starch (TPS) and its ma...

authors： Chang CC,Trinh BM,Mekonnen TH

更新日期：2021-07-01 00:00:00

abstract：:Potassium-ion batteries (PIBs) is one of the most promising alternatives for Lithium-ion batteries (LIBs) due to the low-cost and abundant potassium reserves. However, the electrochemical performances of PIBs were seriously hindered by the larger radius of potassium ions, resulting in a slow kinetic during the electro...

authors： Yan Z,Liu J,Wei H,Yang X,Yao Y,Huang Z,Li H,Kuang Y,Ma J,Zhou H

更新日期：2021-07-01 00:00:00

abstract：:The sudden outbreak of coronavirus disease 2019 (COVID-19) in early 2020 has dramatically changed people's lives. Some countries have taken mass home quarantine to control the virus. However, the side effects of quarantine have rarely been interrogated by current COVID-19 research. This study thus investigates the eff...

authors： Yao Z,Tang P,Fan J,Luan J

更新日期：2021-07-01 00:00:00

abstract：:Blood vessel burst pressures were simulated and predicted for sealing and cutting of vessels in a two-step process, using low (<25 W), medium (~100 W), and high (200 W) power lasers at a wavelength of 1470 nm. Monte Carlo optical transport, heat transfer, Arrhenius integral tissue damage simulations, and vessel pressu...

authors： Giglio NC,Fried NM

更新日期：2021-07-01 00:00:00

abstract：:Biological systems typically exhibit complex behavior with nonlinear dynamic properties. Nonlinear signal processing techniques such as sample entropy is a novel approach to characterize the temporal dynamics of brain connectivity. Estimating entropy is especially important in clinical populations such as autism spect...

authors： Maximo JO,Nelson CM,Kana RK

更新日期：2021-07-01 00:00:00

abstract：:Sarcopenia is an age-related disease that has gradually become a serious health problem for elderly individuals. It not only greatly increases the risk of falls, weakness, and disability but also reduces the ability of patients to take care of themselves. Sarcopenia can directly affect the quality of life and disease ...

authors： Jin H,Xie W,Hu P,Tang K,Wang X,Wu Y,He M,Yu D,Li Y

更新日期：2021-07-01 00:00:00

abstract：:Communication involves the integration of verbal and nonverbal cues. This study assessed preschool-age children's ability to use their conversational partner's facial expression to determine whether the partner required additional information or not. Children (aged 4;0-5;11 [years;months]; N = 101) played a game with ...

authors： Bacso SA,Nilsen ES,Silva J

更新日期：2021-07-01 00:00:00

abstract：:Exposure of Arctic residents to environmental pollutants is an emerging public health problem receiving little global attention. The objective of this study was to assess whole blood concentrations of nine selected essential (Co, Cu, Mn, Se, Zn) and non-essential (As, Cd, Hg, Pb) elements among Nenets and non-Nenets a...

authors： Sobolev N,Ellingsen DG,Belova N,Aksenov A,Sorokina T,Trofimova A,Varakina Y,Kotsur D,Grjibovski AM,Chashchin V,Bogolitsyn K,Thomassen Y

更新日期：2021-07-01 00:00:00

abstract：:This study examined the short term transfer of carbon-14 (14C) in the common carp Cyprinus carpio under laboratory conditions. Various experiments were achieved in order to investigate direct or trophic transfer for 4 days, using waterborne 14C-labelled arginine or 14C-labelled food pellets respectively. Radiolabelled...

authors： Audrey S,Virginie C,Isabelle C,Philippe C,Frédéric A

更新日期：2021-07-01 00:00:00

abstract：:On the basis of a compartment model, the epidemic curve is investigated when the net rate λ of change of the number of infected individuals I is given by an ellipse in the λ - ...

authors： Odagaki T

更新日期：2021-07-01 00:00:00

abstract：:Opioids, which are widely used for the treatment of chronic pain, have an analgesic effect by mainly activating mu-opioid receptor (MOR). Paradoxically, a high dose of naloxone, non-selective opioid receptor antagonist, is also known to induce analgesia, but the underlying mechanism remains unclear. Since kappa-opioid...

authors： Lee GJ,Kim SA,Kim YJ,Oh SB

更新日期：2021-07-01 00:00:00

abstract：:Plant lipid transfer proteins are a large family that can be found in all land plants. They have a hydrophobic cavity that allows them to harbor lipids and facilitates their traffic between membranes. However, in humans, this plant protein family is responsible for the main food allergies in the Mediterranean area. Ne...

authors： Gonzalez-Klein Z,Cuevas-Zuviria B,Wangorsch A,Hernandez-Ramirez G,Pazos-Castro D,Oeo-Santos C,Romero-Sahagun A,Pacios LF,Tome-Amat J,Scheurer S,Diaz-Perales A,Garrido-Arandia M

更新日期：2021-07-01 00:00:00

abstract：BACKGROUND:Traumatic Brain Injury (TBI) present a significant burden to global health. Close association and mutual regulation exist between the brain and gut microbiota. In addition, metabolites may play an important role as intermediary mediators of the brain and gut microbiota. Consequently, the study sought to inve...

authors： Wang S,Zhu K,Hou X,Hou L

更新日期：2021-07-01 00:00:00

abstract：AIMS:STAT3 signaling is critical for Th17 development that plays an important role in multiple sclerosis pathogenesis. To evaluate the anti-inflammatory and regulatory T cells effects of JAK1/2 and STAT3 inhibition, we assessed the JAK 1/2 inhibitor ruxolitinib effects on Th17 cell/Tregs balance. MAIN METHODS:Ruxoliti...

authors： Hosseini A,Gharibi T,Mohammadzadeh A,Ebrahimi-Kalan A,Jadidi-Niaragh F,Babaloo Z,Shanehbandi D,Baghbani E,Baradaran B

更新日期：2021-07-01 00:00:00

abstract：AIMS:Our study aimed to investigate the function of GALNT2 in lung adenocarcinoma (LUAD). MAIN METHODS:We used network tools and tissue microarray immunohistochemistry to measure the expression levels of GALNT2 in LUAD. Kaplan-Meier curves and Cox regression methods were used in survival analysis. We detected the role...

authors： Wang W,Sun R,Zeng L,Chen Y,Zhang N,Cao S,Deng S,Meng X,Yang S

更新日期：2021-07-01 00:00:00

abstract：:The discovery of micro RNAs (miRNA) in cancer has opened up new vistas for researchers in recent years. Micro RNAs area set of small, endogenous, highly conserved, non-coding RNAs that control the expression of about 30% genes at post-transcriptional levels. Typically, microRNAs impede the translation and stability of...

authors： Budakoti M,Panwar AS,Molpa D,Singh RK,Büsselberg D,Mishra AP,Coutinho HDM,Nigam M

更新日期：2021-07-01 00:00:00