65 Result(s)
within
Hongyan **g
Chemistry
Characterization and Evaluation of Materials
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Article
A Bifunctional-Blocker-Aided Hybridization Chain Reaction Lighting-Up Self-calibrating Nanocluster Fluorescence for Reliable Nucleic Acid Detection
In this work, we proposed a ratiometric silver nanoclusters (AgNCs) fluorescent assay by designing a bifunctional-blocker-aided hybridization chain reaction (HCR). Hairpin probe 1 (HP1) containing two special ...
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Article
The influence of MoS2/carbon dots hybrid particles on mechanical properties of natural rubber latex
Molybdenum disulfide(MoS2) has a special structure and excellent mechanical properties, making it a promising reinforcing filler for polymers. Carbon dots (CDs) have good antioxidant properties, and the addition ...
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Article
Sulfonic acid functionalized monolithic column for high selectivity capillary electrochromatography separation
A new nano-scale spherical vinyl-functionalized covalent organic polymer (TAPT-DVA-COP) with uniform sizes around 300 nm was initially constructed using 2,5-divinyl-1,4-benzaldehyde (DVA) and 2,4,6-tris(4-amin...
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Article
Synthesis of grape-seed derived carbon with high specific surface area for CO2 selective adsorption
Nitrogen-doped porous carbons with BET surface area of 1068.2–3314.5 m2/g and nitrogen contents of 3.2–6.5% were prepared with solid waste grape-seed as raw material, NaNH2 as activator and nitrogen source at low...
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Article
Boronic acid and fructose-1,6-diphosphate dual-functionalized highly hydrophilic Zr-MOF for HILIC enrichment of N-linked glycopeptides
The HILIC enrichment is a greatly compatible strategy for the extraction of glycopeptides in proteomics. Herein, a boric acid and fructose-1,6-diphosphate (FDP) dual-functionalized Zr-based metal–organic frame...
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Article
Mn2+-modified black phosphorus nanosensor for detection of exosomal microRNAs and exosomes
The development and performance of a DNA probe adsorbing Mn2+-modified black phosphorus (BP@Mn2+/DNA) hybrid nanosensor is reported that enables rapid detection of cancer-derived exosomal microRNAs (miRNAs) and e...
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Article
A Novel Molecular Imprinted Polymers-Based Lateral Flow Strip for Sensitive Detection of Thiodiglycol
Traditional detection of thiodiglycol (TDG), a metabolic marker for sulfur mustard poisoning, requires not only professional operators, but also expensive reagents and large instruments. Herein, we developed a...
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Article
Preparation of fluorescein-modified polymer dots and their application in chiral discrimination of lysine enantiomers
Fluorescein-functionalized fluorescent polymer dots (F-PDs) were prepared by a facile one-pot method by magnetic stirring under mild conditions based on carboxymethylcellulose (CMC) and fluorescein as the prec...
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Article
SERS- and absorbance-based catalytic assay for determination of isocarbophos using aptamer-modified FeMOF nanozyme and in situ generated silver nanoparticles
A new Fe metal–organic framework-loaded liquid crystal 4-octoxybenzoic acid (FeMOF@OCTB) nanosol was synthesized using 1,3,5-phthalic acid, ferrous sulfate, and OCTB as precursors. The FeMOF@OCTB exhibits good...
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Article
Effect of Shell Thickness on the Properties of Multi-Pd Cores-Hollow Carbon Shell Catalyst mPd@HCS
Traditional catalysts with one core and one shell structure have few active sites and shell structure parameters are difficult to be regulated. In order to solve these two problems, it is presented herein a mu...
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Article
A sensitive multimode dot-filtration strip for the detection of Salmonella typhimurium using MoS2@Fe3O4
A sensitive, accurate, and rapid multimode dot-filtration immunoassay (MDFIA) was established for the detection of Salmonella typhimurium using the intrinsic color, catalytic property, and photothermal effect of ...
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Article
Insight on the microscopic binding mechanism of bisphenol compounds (BPs) with transthyretin (TTR) based on multi-spectroscopic methods and computational simulations
Thyroid hormones are involved in numerous physiological processes as regulators of metabolism, regulating organ growth, and mental state. Bisphenol compounds (BPs) are recognized as chemicals that interfere wi...
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Article
Photothermal card reader assay using the commercial colloidal gold test strip for the rapid quantitative detection of food hazards
The simple and rapid commercial colloidal gold test strip can only be used for qualitative or semi-quantitative detection, accompanied by weak detectability and false negative experimental results. Herein, a p...
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Article
Strain-tuned mechanical, electronic, and optoelectronic properties of two-dimensional transition metal sulfides ZrS2: a first-principles study
Two-dimensional semiconductor material zirconium disulfide (ZrS2) monolayer is a new promising material with good prospects for nanoscale applications. Recently, a new zirconium disulfide (ZrS2) monolayer with a ...
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Article
Colorimetric determination of cysteine based on Au@Pt nanoparticles as oxidase mimetics with enhanced selectivity
A H2O2-free colorimetric protocol based on urchin-like Au@Pt nanoparticles (Au@Pt NPs) has been developed for the sensitive and selective determination of cysteine (Cys). We verified the intrinsic oxidase-like ac...
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Article
Open AccessSimultaneous serotonin and dopamine monitoring across timescales by rapid pulse voltammetry with partial least squares regression
Many voltammetry methods have been developed to monitor brain extracellular dopamine levels. Fewer approaches have been successful in detecting serotonin in vivo. No voltammetric techniques are currently avail...
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Article
Open AccessDetermination of tyrosine by sodium fluorescein-enhanced ABEI–H2O2–horseradish peroxidase chemiluminescence
In this study, N-(4-aminobutyl)-N-ethylisoluminol (ABEI) was used as an energy donor, while sodium fluorescein was used as an enhancer and energy acceptor, which resulted in it producing resonance energy trans...
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Article
Influence of halogen atom substitution and neutral HCN/anion CN− Lewis base on the triel-bonding interactions
Triel-bonding interactions composed of Lewis acid TrOHH2/TrOH2X/TrOHX2 (Tr = B, Al, Ga; X = F, Cl, Br) molecule and Lewis base neutral HCN or anionic CN− molecule are of research significance in bond properties, ...
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Article
Atomic structure and electrical property of ionic liquids at the MoS2 electrode with varying interlayer spacing
Understanding the structure and properties at the electrolyte-electrode interface is vital for the rational design of the supercapacitors or other electrochemical devices. In this work, we explored the influen...
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Article
Salmonella typhimurium detector based on the intrinsic peroxidase-like activity and photothermal effect of MoS2
A multimode dot-filtration immunoassay (MDFIA) was established for rapid and accurate detection of the target (Salmonella typhimurium), which was based on the intrinsic color, peroxidase-like activity and photot...
