15 Result(s)
within
Yuzhi **ao
Characterization and Evaluation of Materials
Microengineering
Nanotechnology
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Article
Free-electrodeposited anodic strip** voltammetry sensing of Cu(II) based on Ti3C2Tx MXene/carbon black
A proof-of-principle concept for free-electrodeposited anodic strip** voltammetry (ASV) sensing of Cu2+ is proposed by using Ti3C2Tx MXene/carbon black (Ti3C2Tx@CB) nanohybrids as electrode materials. Owing to ...
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Article
Specific recognition of protein by deep eutectic solvent–based magnetic β-cyclodextrin molecularly imprinted polymer
A magnetic β-cyclodextrin (MCD) surface molecularly imprinted polymer (MIP) based on deep eutectic solvents (DESs) as cross-linker and functional monomer (MCD@DES-MIP) was successfully synthesized for the spec...
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Article
A composite consisting of a deep eutectic solvent and dispersed magnetic metal-organic framework (type UiO-66-NH2) for solid-phase extraction of RNA
A cactus-shaped magnetic composite was prepared for solid-phase extraction of RNA. It is composed of the metal organic framework UiO-66-NH2 that was modified with Fe3O4 nanoparticles. The composite was then dispe...
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Article
A composite prepared from MnO2 nanosheets and a deep eutectic solvent as an oxidase mimic for the colorimetric determination of DNA
A composite was fabricated from deep eutectic solvent and MnO2 nanosheets (DES/MnO2) and is shown to be a viable oxidase mimic. The property, morphology and composition of DES/MnO2 was characterized. DES/MnO2 dis...
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Article
Preparation of magnetic molecularly imprinted polymers based on a deep eutectic solvent as the functional monomer for specific recognition of lysozyme
A magnetized molecularly imprinted polymer (MIP) was prepared via a surface-imprinting technique. An allyl-based deep eutectic solvent was chosen as the functional monomer to obtain the polymer for specific re...
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Article
Adsorption and specific recognition of DNA by using imprinted polymer layers grafted onto ionic liquid functionalized magnetic microspheres
A molecularly imprinted polymer based on silica modified Fe3O4 microsphere and ionic liquid was prepared for the adsorption and specific recognition of DNA. Water-compatible imidazolium ionic liquids were introdu...
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Article
Solid-phase extraction of DNA by using a composite prepared from multiwalled carbon nanotubes, chitosan, Fe3O4 and a poly(ethylene glycol)-based deep eutectic solvent
A magnetically responsive composite was prepared for improved solid-phase extraction of salmon sperm DNA sodium salt. It consists of chitosan-modified Fe3O4-magnetized multi-walled carbon nanotubes coated with a ...
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Article
Rapid separation of four probiotic bacteria in mixed samples using microchip electrophoresis with laser-induced fluorescence detection
Microchip electrophoresis (MCE) coupled to laser-induced fluorescence detection was applied to the rapid separation of Bifidobacterium, Lactobacillus casei, Lactobacillus acidophilus, and Enterococccus faecalis. ...
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Article
Simultaneous determination of flavonoids and phenolic acids in Chinese herbal tea by beta-cyclodextrin based capillary zone electrophoresis
Kaempferol, apigenin, rutin, quercetin, luteolin and ferulic acid are separated and detected in Chinese herbal tea using capillary zone electrophoresis coupled to amperometric detection. The phosphate running ...
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Article
Applications of Carbon Nanotubes in Electrochemical DNA Biosensors
The discovery of carbon nanotubes (CNTs) about a decade ago has brought fascinating evolutions in electronics, material industry, as well as bio-techniques for DNA analysis, gene therapy, drug delivery etc. It...
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Article
Determination of Active Ingredients of Apocynum Venetum by Capillary Electrophoresis with Electrochemical Detection
A simple, reliable and reproducible method, based on capillary electrophoresis (CE) with electrochemical detection (ED), for the determination of three active ingredients of both Apocynum Venetum compound tab...
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Article
Derivative Spectrophotometric Determination of Nd, Ho and Er in Rare Earth Mixtures with 1-Ethyl-6,8-difluoro-7-(3-methyl-1-piperazinyl)-4-oxo-1,4-dihydro-3-quinoline carboxylic acid
The second derivative spectrophotometric method has been developed as a procedure for the determination of neodymium, holmium and erbium in mixed rare earths. It was found that the 1-ethyl-6, 8-difluoro-7-(3-...
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Article
Capillary electrophoresis as a method for determining dissociation constants of aldohexose isomers
Capillary electrophoresis was first employed for the determination of pKa values of 6 aldohexose isomers based on their differential migrations within the capillary tubing. The pKa values obtained were found t...
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Article
A study of uricase biosensor based on a glassy carbon electrode modified with Nafion and methyl viologen
A uricase biosensor was constructed by using bovine serum albumin and glutaraldehyde as cross linker to immobilize uricase on a glassy carbon electrode modified with Nafion and methyl viologen (MV). A linear r...
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Article
Cathodic strip** voltammetric determination of anti-cancer medicine nitrocaphanum at nafion modified electrode
An electrochemical method for the determination of anti-cancer medicine nitrocaphanum was described. The reaction mechanism of nitrocaphanum at Nafion CME was also discussed. It was found, in pH 2.5 medium, a ...
