abstract：:High quantum yield 3-aminophenylboronic acid-functionalized nitrogen-doped carbon dots (GAAP-CDs) were fabricated using a simple hydrothermal route and used as a sensing probe for toxic hypochlorite (ClO-). The as-synthesized GAAP-CDs showed absorption peaks at 252, 297, and 370 nm and an emission peak at 375 nm with ...

authors： Wang L,Jana J,Chung JS,Hur SH

更新日期：2021-11-05 00:00:00

abstract：:Even though sulfate anion radical (SO4-) is a very reactive oxidant used in advanced oxidation processes, a reliably selective and simple colorimetric method for determining this radical can hardly be found. Peroxydisulfate (S2O82-) or peroxymonosulfate (HSO5-) can be activated with transition metal ions to produce SO...

authors： Uzunboy S,Karakaş Ö,Demirci-Çekiç S,Apak R

更新日期：2021-11-05 00:00:00

abstract：:In this study, two novel Pr3+ complexes with different 1,3-diketonate ligands were synthesized and investigated. To study the effect of the ancillary ligand on the energy transfer mechanisms in the complexes, a phenanthroline ligand was introduced. To take into account the influence of the ligand environment composed ...

authors： Korshunov VM,Metlin MT,Ambrozevich SA,Golovanov IS,Gontcharenko VE,Selyukov AS,Taydakov IV

更新日期：2021-11-05 00:00:00

abstract：:Based on the specific interaction of Ag+ and cytosine-cytosine (C-C) base mismatch and using berberine (Ber) as the fluorescent probe and Exonuclease I (Exo I) as the background fluorescence reducing tool, a label-free Exo I-assisted fluorescence aptamer sensing platform was established for the detection of silver ion...

authors： Wei Z,Lan Y,Zhang C,Jia J,Niu W,Wei Y,Fu S,Yun K

更新日期：2021-11-05 00:00:00

abstract：:Compared to general fluorescent dyes, multi-photon fluorescent dyes exhibit deeper tissue penetration and lower auto-fluorescence in the bio-imaging field. Therefore, it is necessary to develop an efficient multiphoton imaging agent for deep tissue imaging. In this work, an organotin derivative (HSnBu3) has been desig...

authors： Cai C,Lv M,Xiang P,Fang C,Ma W,Tian X,Xu X,Tian Y,Zhang Q

更新日期：2021-11-05 00:00:00

abstract：:In this study, we have investigated the water absorption-induced structural changes and thermal behavior of ε-poly(L)lysine-hydrochloride (EPLHCl) in the powder and film samples using infrared (IR) and Raman spectroscopy. An X-ray diffraction measurement reveals that the crystal structure of ε-poly(L)lysine (EPL) is s...

authors： Nochi M,Ozaki Y,Sato H

更新日期：2021-11-05 00:00:00

abstract：:Tetracyclines (TC) are a common antibiotic for using in livestock breeding and healthcare; however, due to the inappropriate application of TCs, more than 75% of TCs are excreted and released into the environment in an active form through human and animal urine and feces, which results in high levels of TCs in the eco...

authors： Xu J,Qing T,Jiang Z,Zhang P,Feng B

更新日期：2021-11-05 00:00:00

abstract：BACKGROUND:Exposure to polybrominated diphenyl ethers (PBDEs) may influence risk of developing post-menopausal breast cancer. Although mechanisms are poorly understood, epigenetic regulation of gene expression may play a role. OBJECTIVES:To identify DNA methylation (DNAm) changes associated with PBDE serum levels and ...

authors： Ding YC,Hurley S,Park JS,Steele L,Rakoff M,Zhu Y,Zhao J,LaBarge M,Bernstein L,Chen S,Reynolds P,Neuhausen SL

更新日期：2021-11-01 00:00:00

abstract：:A range of commercial chitosan samples with different molar masses and degrees of acetylation was tested for their capacity to stabilize water in water (W/W) emulsions formed by mixing aqueous solutions of dextran and poly (ethylene oxide). To further understand the effect of the acetylation degree, commercial samples...

authors： Tea L,Renou F,Nicolai T

更新日期：2021-11-01 00:00:00

abstract：:In the atmosphere, fluorine element in rocks is hard to detect using fluorine atomic emission spectrum in laser-induced breakdown spectroscopy. In this study, a novel radical synthesis method based on laser ablation was proposed, by which strontium-fluorine (SrF) radical spectrum was collected to quantify fluorine ele...

authors： Li Q,Zhang W,Tang Z,Liu K,Zhu C,Zhou R,Liu K,Li X

更新日期：2021-11-01 00:00:00

abstract：:Hypochlorous acid (HClO) as well as its ionic form (ClO-), representative of reactive oxygen species (ROS), are essential players in all sorts of biological processes. The abnormal level of each can lead to the onset of various diseases. Besides, Sodium hypochlorite, a commonly-used bleaching agent in our daily lives,...

authors： Wang Y,Ding F,Sun X,Chen S,Huang H,Chen H

更新日期：2021-11-01 00:00:00

abstract：:In view of the broad application prospect of peroxidase-like nanozymes in biomedical analysis, it is of great significance to eliminate the interference of their oxidase-like activity and enable them to work under neutral conditions. Herein, flower-like NiV2O6 was synthesized and their enzyme-mimicking activity was in...

authors： Zhu Q,Yang J,Peng Z,He Z,Chen W,Tang H,Li Y

更新日期：2021-11-01 00:00:00

abstract：:There are many genetic differences between Australian wild rices (AWRs) and domesticated rices (DRs), causing differences in starch molecular structure and starch-related functional properties; these are examined here for polished AWRs and polished DRs. Starch structural parameters for amylopectin and amylose were obt...

authors： Zhao Y,Henry RJ,Gilbert RG

更新日期：2021-11-01 00:00:00

abstract：:The MWCNTs/Fe3O4@TMU-21 as a novel electrochemical sandwich-type genosensor was fabricated to detect the BRCA1 gene using the redox-cycling ferrocene functionalized reporter label probe (r-Fc-DNA). In the designed genosensor, the capture probe (cDNA) and r-Fc-DNA were used to detect the BRCA1 gene in sandwich-type gen...

authors： Ehzari H,Safari M,Samimi M

更新日期：2021-11-01 00:00:00

abstract：:A cardiovascular stent design optimization method is proposed with application to a pediatric balloon-expandable prosthetic heart valve. The prosthetic valved conduit may be expanded to a larger permanent diameter in vivo via subsequent transcatheter balloon dilation procedures. While multiple expandable prosthetic he...

authors： Russ JB,Li RL,Herschman AR,Waisman H,Vedula V,Kysar JW,Kalfa D

更新日期：2021-11-01 00:00:00

abstract：:Cysteine (Cys) plays important physiological roles in the human body, and abnormal Cys concentrations can cause a variety of diseases. Thus, detecting Cys with high selectivity and sensitivity in vivo is important. Near-infrared (NIR) fluorescent probes are widely employed in biological detection because of their exce...

authors： Qi S,Zhang H,Wang X,Lv J,Liu D,Shen W,Li Y,Du J,Yang Q

更新日期：2021-11-01 00:00:00

abstract：:OVA (ovalbumin)/CMC (sodium carboxymethylcellulose) nanoparticles are prepared by combining complex coacervation and thermal induction. The effect of different parameters on stability of OVA/CMC nanoparticles (different ratios, pH, temperature, salt concentration and storage time) is investigated. And then the loading...

authors： Niu F,Hu D,Gu F,Du Y,Zhang B,Ma S,Pan W

更新日期：2021-11-01 00:00:00

abstract：:To investigate the strong electrochemiluminescence (ECL) of ultrathin two dimensional metal-organic frameworks (2D MOFs) is crucial. In this work, we reported the strong ECL behavior of 2D Yb-MOFs, which exhibited thickness-dependent ECL. The thinner the 2D Yb-MOFs, the stronger the ECL signals. The corresponding ECL ...

authors： Wang XY,Xiao SY,Jiang ZW,Zhen SJ,Huang CZ,Liu QQ,Li YF

更新日期：2021-11-01 00:00:00

abstract：:Sodium alginate products have been extensively used for wound-dressing. In present study, a series of thermo-sensitive cross-linked poly(N-isopropylacrylamide) grafted sodium alginate (Alg-g-pNIPAM) copolymers were synthesized for delivery of curcumin to wound. FTIR, 1H NMR, elemental analysis and DSC showed successfu...

authors： Zakerikhoob M,Abbasi S,Yousefi G,Mokhtari M,Noorbakhsh MS

更新日期：2021-11-01 00:00:00

abstract：:Cyanide detection methods are urgently needed due to the highly lethal to human beings. Herein, we report two fluorescence probes (Probe 1 and Probe 2) based on cyanoethylene group for cyanide anion (CN-) detection. The selective recognition for CN- was confirmed by the completely opposite green fluorescence of Probe ...

authors： Peng T,Li S,Zhou Y,Liu R,Qu J

更新日期：2021-11-01 00:00:00

abstract：:Ambient ionization of glycans is simply and efficiently achieved by spraying from an alkali metal salt-impregnated paper surface. Monosaccharides, oligosaccharides and ring glycans easily form abundant alkali metal adduct ions, and give simple and clean high-quality mass spectra. The enhancement is specific for glycan...

authors： Guo P,Min K,Luo W,Huang S,Yang Z,Ma M,Liu S,Fang Z,Chen B,Zuilhof H

更新日期：2021-11-01 00:00:00

abstract：Background:With the onset of the COVID-19 pandemic in 2020, hospital clinical teams have realised that there is a need for a rapid, accurate testing facility that will allow them to move patients quickly into isolation rooms or specific COVID-19 cohort wards as soon as possible after admission. Methods:Starting from J...

authors： Yau F,Ferreira R,Kamali R,Bird PW,Halliwell R,Patel H,Nicoara DC,Woltmann G,Tang JW

更新日期：2021-11-01 00:00:00

abstract：Objectives:We sought to quantify the proportion of contacts reported by persons with COVID-19 through a short message service (SMS)-linked survey in comparison to the proportion of contacts reported during a follow-up phone-interview. We also sought to assess improvement in contact tracing timeliness associated with se...

authors： Janssen JM,McGrath A,Ereman R,Moonan PK,Oeltmann JE,Willis M,McCurdy SA

更新日期：2021-11-01 00:00:00

abstract：BACKGROUND:Over the previous two decades, the lifetime prevalence of cannabis use has risen among Mexico's population. AIMS:Estimate the sex- and age-specific rates of onset of cannabis use over time. DESIGN:Five nationally representative cross-sectional surveys, the Mexican National Surveys of Addictions (1998, 2002...

authors： López-Méndez M,Ospina-Escobar A,Iskandar R,Alarid-Escudero F

更新日期：2021-11-01 00:00:00

abstract：:COVID-19 is spread via different routes, including virus-laden airborne particles generated by human respiratory activities. In addition to large droplets, coughing and sneezing produce a lot of small aerosol particles. While face coverings are believed to reduce the aerosol transmission, information about their outwa...

authors： Grinshpun SA,Yermakov M

更新日期：2021-11-01 00:00:00

abstract：:Tool innovation has played a crucial role in human adaptation. Yet, this capacity seems to arise late in development. Before 8 years of age, many children struggle to solve the hook task, a common measure of tool innovation that requires modification of a straight pipe cleaner into a hook to extract a prize. Whether t...

authors： Lew-Levy S,Pope SM,Haun DBM,Kline MA,Broesch T

更新日期：2021-11-01 00:00:00

abstract：:Peri-implant diseases are known as undesirable conditions that can occur after implant therapy. Although several risk indicators are becoming clear, the causes of peri-implant diseases have not been completely investigated. The purpose of this review was to summarize the prevalence and risk indicators for peri-implant...

authors： Wada M,Mameno T,Otsuki M,Kani M,Tsujioka Y,Ikebe K

更新日期：2021-11-01 00:00:00

abstract：Background:Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is generally diagnosed by reverse transcription (RT)-PCR or serological assays. The SARS-CoV-2 viral load decreases a few days after symptom onset. Thus, the RT-PCR sensitivity peaks at three days aft...

authors： Aoki K,Takai K,Nagasawa T,Kashiwagi K,Mori N,Matsubayashi K,Satake M,Tanaka I,Kodama N,Shimodaira T,Ishii Y,Miyazaki T,Ishii T,Morita T,Yoshimura T,Tateda K

更新日期：2021-11-01 00:00:00

abstract：:A simple electrochemical immunosensor based on nitrogen-doped graphene and polyamide-amine (GN-PAM) composites was proposed for the detection of the CP4-EPSPS protein in genetically modified (GM) crops. In this immunosensor, the amplification of the detection signal was realized through antibodies labeled with gold na...

authors： Zeng H,Yang Q,Liu H,Wu G,Jiang W,Liu X,Wang J,Tang X

更新日期：2021-11-01 00:00:00

abstract：:By inspecting starch hierarchical structural evolution, this work explored how microwave irradiation tailored the digestion characteristics of lotus seed starch-chlorogenic acid mixtures. The results showed that after microwave treatment, the granular structure, short-range ordered structure, helical conformation, and...

authors： Wang J,Jiang X,Guo Z,Zheng B,Zhang Y

更新日期：2021-11-01 00:00:00

abstract：:In this study, single- (SFU) and dual-frequency (DFU) ultrasounds were used to extract polysaccharides from okra (Abelmoschus esculentus (L.) Moench) pods (OPSs), and the physicochemical characteristics, functional properties, and in vitro biological activities of the OPSs were comparatively evaluated. Results showed ...

authors： Chen ZL,Wang C,Ma H,Ma Y,Yan JK

更新日期：2021-11-01 00:00:00

abstract：:This study investigated the differences in bioavailability and tissue accumulation efficiency between all-E- and Z-isomer-rich carotenoids after oral administration to rats. Three commercially important carotenoids (lycopene, β-carotene, and lutein) were chosen for the study. For all carotenoids, feeding with Z-isomer...

authors： Honda M,Takasu S,Nakagawa K,Tsuda T

更新日期：2021-11-01 00:00:00

abstract：:We here report a comprehensive non-targeted analytical approach to describe the Maillard reaction in beer. By Fourier-transform ion cyclotron mass spectrometry (FT-ICR-MS), we were able to assign thousands of unambiguous molecular formulae to the mass signals and thus directly proceed to the compositional space of 250...

authors： Pieczonka SA,Hemmler D,Moritz F,Lucio M,Zarnkow M,Jacob F,Rychlik M,Schmitt-Kopplin P

更新日期：2021-11-01 00:00:00

abstract：:Evaluation of 100 Indian Musa accessions (IMA) for nine elements in their fresh fruit pulp (FFP) revealed genetic variability of 4.7-fold for K & Mg to 111.1-fold for Ca but, only with either highly or moderately positively skewed distribution. The descending order of mineral concentrations (MC) was K > Ca > Na > Mg >...

authors： Devarajan R,Jayaraman JK,Somasundaram SM,Ragupathy S,Raman P,Sathiamoorthy K,Subbaraya U

更新日期：2021-11-01 00:00:00

abstract：:The work studies the effects of season, feeding type, and anatomical region on the Iberian pig fat triacylglycerol (TAG) profiles, considered as compositional data (CoDa). The analysis consisted of applying exploratory tools in the simplex and standard multivariate techniques to data transformed into the Euclidean spa...

authors： Garrido-Fernández A,León-Camacho M

更新日期：2021-11-01 00:00:00

abstract：:In the present work, pure nanocrystalline monoclinic Zirconia (ZrO₂) has been successfully synthesized and optimized by the modified co-precipitation method. The concentration of raw material has been optimized with the fixed amount of precipitation agent (Potassium hydroxide KOH). The thermal history of the precursor...

authors： Ramachandran M,Subadevi R,Rajkumar P,Muthupradeepa R,Yuvakkumar R,Sivakumar M

更新日期：2021-11-01 00:00:00

abstract：:In this work, UV light activated multi-cycle photoelectric properties of TiO₂ and CdS/TiO₂ films in formaldehyde were researched. TiO₂ film was prepared by screen printing, CdS/TiO₂ compounded film was synthesized by SILAR method. XRD and FE-SEM was used to characterize the TiO₂ and CdS/TiO₂ samples. Multi-cycle photo...

authors： Zou Z,Qu Z,Tang L,Qiu Y,Liao G,Li C,Li F,Tao J

更新日期：2021-11-01 00:00:00

abstract：:The present work is focused on the fabrication of manganese dioxide/carbon dots (MnO₂/CDs) nanocomposites at room temperature in situ co-participation method in an aqueous medium and characterized. Our study showed that the concentration of CDs controls the morphology of MnO₂/CDs nanocomposite and also acted as a redu...

authors： Mondai J,Kumar Srivastava S

更新日期：2021-11-01 00:00:00

abstract：:In order to combat antibiotic resistance, the development of new antibacterial agents is essential. In this study, we prepared four types of amino acid modified chitosan (CS-AA). Compared with chitosan modified with hydrophobic amino acids, the chitosan modified with positively charged amino acids showed higher antiba...

authors： Ju X,Tian L,Duan X,Li Z,Han Y,Tian Y,Niu Z

更新日期：2021-11-01 00:00:00

abstract：:As the global response to COVID-19 continues, nurses will be tasked with appropriately triaging patients, responding to events of clinical deterioration, and developing family-centered plans of care within a healthcare system exceeding capacity. Predictive analytics monitoring, an artificial intelligence (AI)-based to...

authors： Keim-Malpass J,Moorman LP

更新日期：2021-11-01 00:00:00