Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Feng-Qing Yang"'
Autor:
Cong-Peng Zhao, Guo-Ying Chen, Feng-Qing Yang, Yuan Wang, Chun-Yan Zhang, Hao Zhang, Hua Chen
Publikováno v:
Chinese Journal of Analytical Chemistry. 49:11-17
In this study, a capillary electrophoresis-based online immobilized acetylcholinesterase (AChE) microreactor was developed for the determination of organophosphorus pesticide (OPs) residues in six fruit and vegetable juice samples. AChE was immobiliz
Publikováno v:
Microchimica Acta. 188
Yolk-shell structure magnetic metal–organic framework nanoparticles were prepared via post solvothermal method and employed as a magnetic solid-phase extraction adsorbent for selective pre-concentration of 5′-ribonucleotides by π stacking intera
Autor:
Wen-Jia Li, Dong-Dong Zhou, Chun-Hong Li, Hua Chen, Feng-Qing Yang, Hao Zhang, Zheng-Ming Qian, Qian Zhang
Publikováno v:
Journal of Chromatography A. 1591:24-32
In this study, a titanium ion (Ti4+) functionalized polydopamine coated ferroferric oxide (Fe3O4@PDA@Ti4+) core-shell magnetic particle was prepared for the selective extraction of nucleotides. Firstly, different metal ions including Ti4+, Zr4+, Fe3+
Publikováno v:
Enzyme and microbial technology. 148
In this study, a paper-based sensor, combined with a visual distance-readout method, was developed to determine glucose in fruit samples based on the glucose oxidase-mediated sodium alginate gelation. The type of filter paper, the concentration of so
Publikováno v:
Analytica chimica acta. 1142
In this study, a simple and portable enzyme activity assay and inhibitor screening method was developed based on β-Glucosidase-mediated cascade reaction in a personal glucose meter (PGM). The inhibition of castanospermine (β-Glucosidase inhibitor)
Publikováno v:
Microchemical Journal. 168:106489
The Cu3(PO4)2·3H2O was modified by hydrophilic phytic-acid (PA/Cu3(PO4)2·3H2O) using a facile co-precipitation method. The peroxidase-like activities of Cu3(PO4)2·3H2O and PA/Cu3(PO4)2·3H2O were demonstrated by catalyzing the peroxidase substrate
Autor:
Feng-Qing Yang, Hao Zhang
Publikováno v:
Enzyme and Microbial Technology. 148:109830
In this study, a paper-based sensor combined with visual distance-readout technique for point of-care testing (POCT) of urea was developed by urease-mediated chitosan viscosity change. A series of factors that affect the performance of the sensor wer
Publikováno v:
Mikrochimica acta. 186(3)
A magnetite@graphene oxide nanocomposite was first coated with polyethylenimine and then modified with phytic acid and titanium(IV) ions. The high loading with Ti(IV) and the good hydrophilicity of PEI and PA result in a material that can be applied
Publikováno v:
Analytical Methods. 7:1098-1103
Isoflavones are the main active components in Radix Puerariae, the dry root of Pueraria lobata or P. thomsonii. We developed a simple capillary zone electrophoresis (CZE) method with an ionic liquid (IL) as an additive for the simultaneous determinat
Publikováno v:
Chinese Journal of Chromatography. 30:515-521
A novel method of microwave assisted solid phase headspace gas chromatography (MASP-HSGC) was developed through online coupling of solvent-free microwave extraction (SFME) and headspace-gas chromatography via a six-way valve. The method can quickly a