Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Feng-Qing Yang"'
Publikováno v:
Chemical Communications. 58:6701-6704
A novel MOF@HOF composite that can serve as a matrix for analysis of small molecules by MALDI-TOF-MS was fabricated through a simple solvothermal method. Taking falvonoids as an example, this composite/matrix presents high desorption/ionization effic
Publikováno v:
Analytical and bioanalytical chemistry. 413(28)
In this study, a magnetic yolk-shell structured metal-organic framework material (Fe3O4@YS-UiO-66-NH2) is prepared by the directional etching of Co2+/peroxymonosulfate and in situ magnetization. The characteristic properties of the material were inve
Autor:
Shengpeng Wang, Yitao Wang, Feng-Qing Yang, Hao Zhang, Qian Zhang, Dong-Dong Zhou, Yin-Zhen Wang
Publikováno v:
Journal of Chromatography B. 1120:95-103
In this paper, Cu2+ functionalized Fe3O4@polydopamine core-shell (Fe3O4@PDA@Cu2+) magnetic microspheres were prepared by the chelation between Cu2+ and catechol of polydopamine surface. The synthetic magnetic adsorbent was characterized by Fourier tr
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:
Journal of Pharmaceutical and Biomedical Analysis. 193:113743
In this study, a method based on adsorbed hollow fiber immobilized tyrosinase (TYR) was developed to screening potential TYR inhibitors from Pueraria lobate extract. Kojic acid and ranitidine were used as positive and negative control to verify the r
Publikováno v:
Talanta. 178
In present study, magnetic molecularly imprinted polymers (MMIPs) were successfully prepared for specific recognition and selective enrichment of phloridzin from the leaves of Malus doumeri (Bois) A. Chev and rats' plasma. The magnetic Fe3O4 were pre
Publikováno v:
Journal of Pharmaceutical and Biomedical Analysis. 88:269-277
Many chiral drugs are used as the racemic mixtures in clinical practice. The occurrence of enantioselectively pharmacological activities calls for the development of enantiospecific analytical approaches during pharmacokinetic studies of enantiomers.
Publikováno v:
Journal of Chromatographic Science. 51:155-160
Volatile chemicals are a group of very important compounds in natural products. Curcuma rhizome, which contains many bioactive volatile compounds, is a traditional Chinese medicine that has long been used for the treatment of several diseases. In the
Publikováno v:
Journal of Chromatography A. 1217:5501-5510
An ion-pairing reversed-phase liquid chromatography-mass spectrometry (IP-RP-LC-MS) was developed for the determination of nucleotides, nucleosides and their transformation products in Cordyceps. Perfluorinated carboxylic acid, namely pentadecafluoro
Publikováno v:
Journal of Chromatography A. 1217:705-714
A microwave-assisted extraction (MAE) and ultra high performance liquid chromatography coupled with diode array detection and time-of-flight mass spectrometry (UHPLC-DAD-TOF-MS) method was developed for simultaneous determination of 14 phenolic compo