60 Result(s)
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Article
Yaoyao **e
Chemistry
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Article
Sandpaper-templated Stretchable Immunosensing Electrodes for Sub-picomolar Progesterone Detection
Female hormone detection, particularly non-invasive monitoring progesterone (P4) levels in body fluids, plays a critical role in female health management and disease diagnosis. However, the challenge still exi...
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Inhibition of Cu-SSZ-13 for NH3 Selective Catalytic Reduction by K/Na Poisoning
Cu/SSZ-13 is considered to be a promising material for NH3-SCR catalysts. However, in practical applications, Cu/SSZ-13 is inevitably exposed to alkali metal deposition. In this paper, Cu/SSZ-13 molecular sieve c...
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Open AccessEfficient signal sequence of mRNA vaccines enhances the antigen expression to expand the immune protection against viral infection
The signal sequence played a crucial role in the efficacy of mRNA vaccines against virus pandemic by influencing antigen translation. However, limited research had been conducted to compare and analyze the spe...
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Identification of Peanut Kernels Infected with Multiple Aspergillus flavus Fungi Using Line-Scan Raman Hyperspectral Imaging
The mold contamination caused by Aspergillus flavus poses a serious threat to food safety. In this study, three artificially inoculating strains of Aspergillus flavus (A. flavus 142,801, A. flavus 142,803, A. fla...
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Preparation of starch-based adsorbing-flocculating bifunctional material St-A/F and its removal of active, direct and disperse dyes from textile printing and dyeing wastewater
A starch-based adsorbing-flocculating bifunctional material St-A/F is prepared via graft copolymerization with two cationic monomers DMC and DMDAAC, using a safe and clean Fenton initiating system. 13C NMR, XRD, ...
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Portable paper-based probe for on-site ratiometric fluorescence determination of total flavonol glycosides in plant extract using smartphone imaging
A smartphone-assisted, paper-based ratio fluorescence probe is presented for the rapid, low-cost and on-site quantification of total flavonol glycosides in Ginkgo biloba extracts (GBE). The Al3+/Eu-MOF/paper-base...
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Efficient photothermal CO2 methanation over NiFe alloy nanoparticles with enhanced localized surface plasmon resonance effect
The methanation of CO2 using green hydrogen not only consumes CO2 as a carbon resource but also stores H2 with high density. However, the activation of CO2 molecules under mild conditions is challenging due to th...
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Introducing Mn into ZIF-8 nanozyme for enhancing its catalytic activities and adding specific recognizer for detection of organophosphorus pesticides
In order to design and establish a highly efficient and selective nanozyme-based sensing platform for the UV-vis detection of organophosphorus pesticides (OPs), Mn was introduced into ZIF-8 nanozyme for enhanc...
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Sensitive electrochemical measurement of nitric oxide released from living cells based on dealloyed PtBi alloy nanoparticles
Nitric oxide (NO), as a vital signaling molecule related to different physiological and pathological processes in living systems, is closely associated with cancer and cardiovascular disease. However, the dete...
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Open AccessDouble hairpin-assembled probe-mediating catalytic hairpin assembly and primer exchange reaction for sensitive and label-free miRNA analysis in gastric carcinoma
The aberrant expression of microRNA (miRNA) is closely associated with various pathological processes, such as the development of gastric cancer. High-efficiency quantification of miRNAs is significant for the...
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Sandwich-type electrochemical immunosensor based on CuFe2O4-Pd for cardiac troponin I detection
A sandwich-type electrochemical immunosensor was designed by highly efficient catalytic cycle amplification strategy of CuFe2O4-Pd for sensitive detection of cardiac troponin I. CuFe2O4 with coupled variable vale...
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Copper(II)-Catalyzed 1,6-Hydroboration Reactions of p‑Quinone Methides Under Ligand-Free Conditions: A Sequential Methodology to gem-Disubstituted Methanols
The Cu(II) catalyzed 1,6-hydroboration reactions of para-quinone methides with B2pin2 was herein reported. The desired products were all obtained in good to excellent yields under mild conditions. Notably, the re...
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Publisher Correction: Small molecule agonist of mitochondrial fusion repairs mitochondrial dysfunction
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Small molecule agonist of mitochondrial fusion repairs mitochondrial dysfunction
Membrane dynamics are important to the integrity and function of mitochondria. Defective mitochondrial fusion underlies the pathogenesis of multiple diseases. The ability to target fusion highlights the potent...
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Article
Synergy of first- and second-sphere interactions in a covalent organic framework boosts highly selective platinum uptake
Platinum recovery from waste electrical and electronic equipment (WEEE) in highly acidic solutions is significant to the electronics industry and environmental remediation. However, the lack of ingenious desig...
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Highly efficient perovskite solar cells by building 2D/3D perovskite heterojuction in situ for interfacial passivation and energy level adjustment
Passivating the interfacial defects and reducing the interfacial non-radiative recombination losses are the keys to improving the photovoltaic performance of three-dimensional (3D) perovskite solar cells (PVSC...
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Three-dimensional NiO/Co3O4@C composite for high-performance non-enzymatic glucose sensor
In this study, a new enzyme-free glucose sensor was constructed using the transition metal-based composite material. The synthesis of ZIF-67 entailed the addition of NiO with high catalytic performance. Two-di...
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Open AccessEnhancement of linalool production in Saccharomyces cerevisiae by utilizing isopentenol utilization pathway
Linalool is a monoterpenoid, also a vital silvichemical with commercial applications in cosmetics, flavoring ingredients, and medicines. Regulation of mevalonate (MVA) pathway metabolic flux is a common strate...
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Gap Plasmonics of Single Gold Nanoparticle Above a Gold Substrate Covered with Thin Gain Film
In this paper, we investigated the local electric field enhancement characteristics of the gap by placing gold nanoparticles (GNS) on the metal film covered with thin gain medium. In order to understand the lo...
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Improving the Thermostability of α-Glucosidase from Xanthomonas campestris through Proline Substitutions Guided by Semi-rational Design
The α-glycosidase from Xanthomonas campestris (XgtA) can specifically catalyze the transglycosylation reactions, thus can be applied for the enzymatic synthesis of α-glycosides. However, the low thermal stability...
