abstract：:Here, we report a one-pot solvothermal method for the development of magnetically recoverable catalysts with Ru or Ag nanoparticles (NPs) capped by chitosan (CS), a derivative of natural chitin. The formation of iron oxide NPs was carried out in situ in the presence of CS and iron acetylacetonate in boiling triethylen...

authors： Dickstein TA,Zhou E,Hershberger KK,Haskell AK,Morgan DG,Pink M,Stein BD,Nikoshvili LZ,Matveeva VG,Bronstein LM

更新日期：2021-10-01 00:00:00

abstract：:The rehabilitation of visual acuity with severe conjunctival fibrosis depends on ocular reconstruction with suitable conjunctival substitutes. In this study, we have developed poly(lactic acid) (PLA) electrospun nanofibrous membranes (EFMs) surface coated by cellulose nanofibrils (CNF) and/or silk peptide (SP). The CN...

authors： Yan D,Zhang S,Yu F,Gong D,Lin J,Yao Q,Fu Y

更新日期：2021-10-01 00:00:00

abstract：:Due to increasing application in the green energy sector, rare earth elements (REEs) have become a precious commodity in the international market. The REEs, Yttrium (Y) and Lutetium (Lu) are used as catalysts in wide array of industries. SBA-15 modified with 1,4-phthaloyl diamido-propyltriethoxysilane (1,4-PA-APTES) l...

authors： Ryu S,Fonseka C,Naidu G,Loganathan P,Moon H,Kandasamy J,Vigneswaran S

更新日期：2021-10-01 00:00:00

abstract：:The COVID-19 is proved to be the most infectious disease of the current century with a high mortality rate world-wide. The current RT-PCR test standard for the diagnosis of COVID-19 is an invasive and time-consuming procedure, whereas the chest X-ray (CXR) images provide a non-invasive and time/cost-effective method f...

authors： Mohanty F,Dora C

更新日期：2021-10-01 00:00:00

abstract：:The COVID-19 pandemic resulted in numerous changes in delivery of healthcare services, including breast cancer screening and surveillance. Although facilities have implemented a number of strategies to provide services, women's thoughts and experiences related to breast cancer screening and surveillance during a pande...

authors： Schifferdecker KE,Vaclavik D,Wernli KJ,Buist DSM,Kerlikowske K,Sprague BL,Henderson LM,Johnson D,Budesky J,Jackson-Nefertiti G,Miglioretti DL,Tosteson ANA

更新日期：2021-10-01 00:00:00

abstract：:Cancer screening rates declined sharply early in the COVID-19 pandemic. The impact of the pandemic may have exacerbated existing disparities in cancer screening due to the disproportionate burden of illness and job loss among racial/ ethnic minorities, and potentially, uneven resumption of care between different racia...

authors： Marcondes FO,Cheng D,Warner ET,Kamran SC,Haas JS

更新日期：2021-10-01 00:00:00

abstract：:Channel-based microfluidic devices integrating the separation step and detection system are key factors to expand microanalysis application. However, these devices still depend on macroscale external equipment for pre-treatment of the sample, separation, or detection. The integration of all steps in only one stage is ...

authors： Maximiano EM,Gonçalves DA,Martins CA,Angnes L,Gomes RS,Trindade MAG

更新日期：2021-10-01 00:00:00

abstract：:Brevetoxins (BTX) are pharmacologically active, lipid soluble cyclic polyether neurotoxins that are known to cause a wide range of neurological symptoms in humans.Harvesting and consumption of infected molluscs provide an entry point for BTXs into, the food chain, causing long-term health effects on accumulation for i...

authors： Ramalingam S,Hayward GL,Singh A

更新日期：2021-10-01 00:00:00

abstract：:Three-dimensional (3D) SERS substrate with the denser "hotspots" is synthesized by the constriction of PDMS film decorated with sandwiched graphene@AgNPs@graphene (G@AgNPs@G) nanostructure. Graphene layers above and below the AgNPs are used to absorb molecules onto the "hotspots", and prevent the oxidation of AgNPs in...

authors： Fan X,Zhang H,Zhao X,Lv K,Zhu T,Xia Y,Yang C,Bai C

更新日期：2021-10-01 00:00:00

abstract：:Poor recovery of phosphorus (P) across natural environment (water, soil, sediment, and biological sources) is causing rapid depletion of phosphate rocks and continuous accumulation of P in natural waters, resulting in deteriorated water quality and aquatic lives. Accurate detection and characterization of various P sp...

authors： Alam MM,Srinivasan V,Mueller AV,Gu AZ

更新日期：2021-10-01 00:00:00

abstract：:Ferrous ion (Fe2+) plays an essential role in many physiological and pathological processes, and its cellular metabolism is closely related to acidic pH. However, the lack of multifunctional Fe2+ probes has hindered the further study of Fe2+ in vivo. Herein, we report a dual-responsive near-infrared (NIR) fluorescent ...

authors： Xu W,Wu P,Li X,Liu S,Feng L,Xiong H

更新日期：2021-10-01 00:00:00

abstract：:Digital bioassays are powerful methods to detect rare analytes from complex mixtures and study the temporal processes of individual entities within biological systems. In digital bioassays, a crucial first step is the discretization of samples into a large number of identical independent partitions. Here, we developed...

authors： Cui X,Hu T,Chen Q,Zhao Q,Wu Y,Xie T,Liu P,Su X,Li G

更新日期：2021-10-01 00:00:00

abstract：:In the present work, a capture DNA (c-DNA) was immobilized on the TNA/g-C3N4 to develop a sensitive and selective TNA/g-C3N4/c-DNA photoelectrochemical aptasensor for determining thrombin. With the aid of the specific recognition of anti-thrombin aptamer towards thrombin, ingenious design of hairpin DNA, and exonuclea...

authors： Zhou C,Zhang Y,Huang M,Yang K,Tian J,Lu J

更新日期：2021-10-01 00:00:00

abstract：:Persistent luminescent nanoparticles (PLNPs) are a class of materials with excellent optical properties, which can continue to emit light for a long time after removing the excitation light source. This feature enables PLNPs to be used for development of biological detection modes without autofluorescence background. ...

authors： Yin Z,Zhu L,Lv Z,Li M,Tang D

更新日期：2021-10-01 00:00:00

abstract：:In this paper, hydrothermal method was used for the synthesis of SnO2 quantum dots (QDs). The prepared SnO2 QDs have a uniform particle size distribution and good electrochemiluminescence (ECL) property. Then the prepared SnO2 QDs was combined with graphene-like carbon nitride (g-C3N4) through chitosan to form SnO2/ch...

authors： Liu XP,Huang B,Mao CJ,Chen JS,Jin BK

更新日期：2021-10-01 00:00:00

abstract：:Preparation of porphyrin-based covalent organic frameworks (Por-COFs) with high photosensitizing activity for photodynamic inactivation of bacteria is of great challenge, but significant for economy and human health. Herein, we show a conjugation-regulating strategy to design and synthesize Por-COFs with high photosen...

authors： Meng FL,Qian HL,Yan XP

更新日期：2021-10-01 00:00:00

abstract：:Herein, a novel magnetic porous carbon nanocomposite derived from a cobalt based-metal-organic framework was synthesized and evaluated for simultaneous preconcentration of homo and hetero-polycyclic aromatic hydrocarbons. Briefly, magnetite nanoparticles (MNPs) were synthesized and then were coated with a metal-organi...

authors： Asgharinezhad AA,Ebrahimzadeh H

更新日期：2021-10-01 00:00:00

abstract：:Lactate, historically considered a waste product of anerobic metabolism, is a metabolite in whole-body metabolism needed for normal central nervous system (CNS) functions and a potent signaling molecule and hormone in the CNS. Neuronal activity signals normally induce its formation primarily in astrocytes and producti...

authors： Mahan VL

更新日期：2021-10-01 00:00:00

abstract：:The solid waste of olive oil extraction processes (olive pomace, OP) was converted into activated carbon (AC) by treating it with NaOH and then encapsulating it within sodium alginate (SA) in beads by crosslinking (SA-AC beads). The prepared SA-AC beads were utilized as an adsorbent for the elimination and recovery of...

authors： Lissaneddine A,Mandi L,El Achaby M,Mousset E,Rene ER,Ouazzani N,Pons MN,Aziz F

更新日期：2021-10-01 00:00:00

abstract：:Nitrate and sulfate often coexist in organic wastewater. In this study, an internal circulation anaerobic reactor was conducted to investigate the impact of nitrate on sulfate reduction. The results showed that sulfate reduction rate dropped from 78.4% to 41.4% at NO3- /SO42- ratios ranging from 0 to 1.03, largely att...

authors： Cai MH,Luo G,Li J,Li WT,Li Y,Li AM

更新日期：2021-10-01 00:00:00

abstract：:The ubiquitous bromide (Br-) poses a challenge to current drinking water treatment schemes due to the formation of brominated disinfection by-products, especially bromate (BrO3-). A cost-effective and energy-efficient technology to remove Br- before disinfection is highly desired. In this work, the application of memb...

authors： Li Y,Wu J,Yong T,Fei Y,Qi J

更新日期：2021-10-01 00:00:00

abstract：:The anthropogenic activities may lead to accumulation of graphene oxide (GO) pollution in the environment. Organisms exposed to chronic or multigenerational GO intoxication can present reproduction depletion. Vitellogenin (Vg) has been used as a parameter for evaluating female fertility due to its importance in embryo...

authors： Flasz B,Dziewięcka M,Kędziorski A,Tarnawska M,Augustyniak M

更新日期：2021-10-01 00:00:00

abstract：:Spores of a Bacillus sp., isolated from radioactive waste, were tested for their ability to influence the fate and transport of neodymium (Nd3+) under high salt conditions expected at the Waste Isolation Pilot Plant (WIPP) nuclear waste repository. Spores were suspended in neodymium-spiked saline solutions up to 4 M N...

authors： Swanson J,Navarrette A,Hazelton C,Richmann M,Stanley F

更新日期：2021-10-01 00:00:00

abstract：:Mercury (Hg(II)) is the 16th rarest element present in the earth's crust. Due to rapid industrialization and urban expansions, the mercury concentration has been elevated in the environment. Hg(II) contamination in the aqueous environment has become a great challenge for human beings. The main source of Hg(II) in the ...

authors： Rani L,Srivastav AL,Kaushal J

更新日期：2021-10-01 00:00:00

abstract：:Psychological flow is highly pleasurable, time-limited form of engagement in a task which has been shown to produce benefits in the workplace. Flow has historically been studied in the context of the interaction between the task and the performer. However, in work settings such as an office, many other factors may con...

authors： Clapp SR,McCauley PR,Karwowski W,Hancock PA

更新日期：2021-10-01 00:00:00

abstract：:Manual pushing or pulling with a hand tool is a coordinated action by various upper extremity muscles. The objective of this experimental study was to examine the effects of horizontal and vertical hand loads on upper extremity muscle activity during concentric pushing and pulling exertions. Twenty young female partic...

authors： Song D,Kim E,Bak H,Shin G

更新日期：2021-10-01 00:00:00

abstract：:We introduce unprecedented tools to infer approximate evolution features of the COVID19 outbreak when these features are altered by containment measures. In this framework we present: (1) a basic tool to deal with samples that are both truncated and non independently drawn, and (2) a two-phase random variable to captu...

authors： Apolloni B

更新日期：2021-10-01 00:00:00

abstract：:In this study, we examined the ability of nisin A and a rationally assembled bank of 36 nisin derivative producing Lactococcus lactis strains to inhibit Listeria. A broth-based bioluminescence assay for screening single and combinations of bioengineered nisin derivatives using cell-free supernatants (CFS) from nisin d...

authors： Nyhan L,Field D,Hill C,Callanan M,Begley M

更新日期：2021-10-01 00:00:00

abstract：:Rapid yeast identification is of particular importance in monitoring wine fermentation and assessing strain application in winemaking. We used MALDI-TOF MS analysis supported by 26 S rRNA gene sequence analysis and Saccharomyces-specific PCR testing to differentiate reference and field strains recovered from organic w...

authors： Zhang J,Plowman JE,Tian B,Clerens S,On SLW

更新日期：2021-10-01 00:00:00

abstract：:The increasing interest in novel beer productions focused on non-Saccharomyces yeasts in order to pursue their potential in generating groundbreaking sensory profiles. Traditional fermented beverages represent an important source of yeast strains which could express interesting features during brewing. A total of 404 ...

authors： Matraxia M,Alfonzo A,Prestianni R,Francesca N,Gaglio R,Todaro A,Alfeo V,Perretti G,Columba P,Settanni L,Moschetti G

更新日期：2021-10-01 00:00:00

abstract：:Photobacterium spp. occur frequently in marine environments but have been recently also found as common spoilers on chilled meats. The environmental conditions in these ecological niches differ especially regarding salinity and ambient pressure. Linking the occurrence of photobacteria in different niches may elucidate...

authors： Hauschild P,Hilgarth M,Vogel RF

更新日期：2021-10-01 00:00:00

abstract：AIM:To determine how anthropometric characteristics cluster in the New Zealand Defence Force, and to describe the characteristics of each cluster. This information can inform the development of new uniform sizing systems for the New Zealand Defence Force. METHODS:Anthropometric data (n = 84 variables) from 1,003 parti...

authors： Kolose S,Stewart T,Hume P,Tomkinson GR

更新日期：2021-10-01 00:00:00

abstract：STUDY OBJECTIVE:Supplemental oxygen is a simple method to improve arterial oxygen saturation and might therefore improve myocardial oxygenation. Thus, we tested whether intraoperative supplemental oxygen reduces the risk of impaired cardiac function diagnosed with NT-proBNP and myocardial injury after noncardiac surger...

authors： Reiterer C,Kabon B,Taschner A,Falkner von Sonnenburg M,Graf A,Adamowitsch N,Starlinger P,Goshin J,Fraunschiel M,Fleischmann E

更新日期：2021-10-01 00:00:00

abstract：:The study investigated the effect of zingibain protease and sous vide cooking on tenderness and water-holding capacity of M. biceps femoris (BF) from 30 older Angus cows (6-7 years) fed concentrates for 0, 28, 42 or 56 days. BF were cooked for 1, 8, and 18 h at 65 °C and 75 °C, without any pre-treatment, after they ha...

authors： Naqvi ZB,Campbell MA,Latif S,Thomson PC,McGill DM,Warner RD,Friend MA

更新日期：2021-10-01 00:00:00

abstract：:We live in a world that changes on many timescales. To learn and make decisions appropriately, the human brain has evolved to integrate various types of information, such as sensory evidence and reward feedback, on multiple timescales. This is reflected in cortical hierarchies of timescales consisting of heterogeneous...

authors： Soltani A,Murray JD,Seo H,Lee D

更新日期：2021-10-01 00:00:00

abstract：:A high-performance polyacid ion exchange (IEX) nanofiber membrane was used in membrane chromatography for the recovery of lysozyme from chicken egg white (CEW). The polyacid IEX nanofiber membrane (P-BrA) was prepared by the functionalization of polyacrylonitrile (PAN) nanofiber membrane with ethylene diamine (EDA) an...

authors： Chang YK,Cheng HI,Ooi CW,Song CP,Liu BL

更新日期：2021-10-01 00:00:00

abstract：:Continual exposure to soft drink cues in the environment is thought to be a major contributor to the rising consumption of soft drinks. This study investigated the effect of one such cue, television advertising, on soft drink choice and intake. Within the context of dual-process models, we examined whether any such ef...

authors： Kemps E,Tiggemann M,Tuscharski A

更新日期：2021-10-01 00:00:00

abstract：:It is established that ultrathin layered double hydroxide nanosheets (LDHNS) and zeolitic imidazole frameworks (ZIF) are desirable electrochemical sensing modifiers owing to their large surface area and abundant catalytic sites. Integration of them is thus an effective solution to maximize their electrocatalytic activ...

authors： Liu Y,Wang R,Wang H,Yu X,Liu X,He P,She X,Zhan T

更新日期：2021-10-01 00:00:00

abstract：:The development of proton-conducting materials in cold regions is still at the initial stage due to the challenge in breaking the subzero temperature limit, especially in covalent organic frameworks (COFs). Herein, we fabricated a series of proton-conductive COFs as self-standing, highly flexible combined membranes (s...

authors： Jie P,Wang X,Zhang F,Wen C,Feng L,Qu F,Liang X

更新日期：2021-10-01 00:00:00

abstract：:Sulfamethoxazole (SMX) is a commonly used antibiotic which accumulation can favor the development of antimicrobial resistance. Therefore, easy and cheap system to monitor the presence of SMX are needed for human health protection. Herein we present a straightforward all electrochemical approach to fabricate a sensor b...

authors： Turco A,Corvaglia S,Pompa PP,Malitesta C

更新日期：2021-10-01 00:00:00