Use of tandem carbon microfiber columns for on-line fractionation strategy of reducing ion suppression effects in electrospray ionization-mass spectrometry

Autor: Zhao Wang, Hai-Bo Shang, Meiyu Cui, Biao Ma, Donghao Li, Dongri Jin, Meihua Dong

Publikováno v: Journal of chromatography. A. 1685

As we all know, the complexity and diversity of complex sample are confronting with challenge of high-sensitive mass spectrometry analysis, especially direct mass spectrometry. The work proposed a two-dimensional carbon microfiber fractionation (2Dμ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf8d90d311a5577553f8abb8176d1c12
https://pubmed.ncbi.nlm.nih.gov/36403517

Circular Nonuniform Electric Field Gel Electrophoresis for the Separation and Concentration of Nanoparticles

Autor: Lu Liu, Ruilin Yang, Jiaxuan Cui, Peng Chen, Hyok Chol Ri, Huaze Sun, Xiangfan Piao, Minshu Li, Qiaosheng Pu, Maurizio Quinto, John L. Zhou, Hai-Bo Shang, Donghao Li

Publikováno v: Liu, L, Yang, R, Cui, J, Chen, P, Ri, H C, Sun, H, Piao, X, Li, M, Pu, Q, Quinto, M, Zhou, J L, Shang, H B & Li, D 2022, ' Circular Nonuniform Electric Field Gel Electrophoresis for the Separation and Concentration of Nanoparticles ', Analytical Chemistry, vol. 94, no. 23, pp. 8474-8482 . https://doi.org/10.1021/acs.analchem.2c01313

A circular nonuniform electric field strategy coupled with gel electrophoresis was proposed to control the precise separation and efficient concentration of nano- and microparticles. The circular nonuniform electric field has the feature of exponenti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de814bfb4b79f84c7fde76fb5dcd1d0d
https://pubmed.ncbi.nlm.nih.gov/35652329

Light-Driven Polarity Switching of the Chromatographic Stationary Phase with Photoreversibility

Autor: Zhengjiu An, Jie-Min Zhang, Ming-Yu Lv, Xin-Qi Li, Lixin Wu, Hai-Bo Shang, Donghao Li

Publikováno v: Analytical chemistry. 93(51)

Regrettably, conventional chromatographic columns have immutable polarity, resulting in requirements of at least two columns with polarity difference and sophisticated mechanical switching valves, which hinders the development of "micro-smart" multid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7f35d97c4d6e69ae2c051feaab80201
https://pubmed.ncbi.nlm.nih.gov/34894658

Fast on-fiber derivatization and GC/MS analysis of phytohormones in wheat based on pencil-type coated carbon fibers

Autor: Jinhua Zhao, Maurizio Quinto, Long-Yue Meng, Donghao Li, Ji Man Kim, Hai-Bo Shang, Yilin Zou, Meiyu Cui, Miao He

Publikováno v: Food Chemistry. 274:254-260

New coated carbon fibers (CCFs) have been synthesized, characterized and used as solid phase microextraction (SPME) matrix for the analysis of phytohormones (jasmonic acid, indole-3-acetic acid, and abscisic acid) in wheat samples. The SPME device, r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76d46607f269a7471a3b9dacf429c80d
https://doi.org/10.1016/j.foodchem.2018.09.009

Analysis of multiple-phytohormones during fruit development in strawberry by using miniaturized dispersive solid-phase extraction based on ionic liquid-functionalized carbon fibers

Autor: Jinhua Zhao, Yilin Zou, Lu Liu, Lei Yang, Donghao Li, Meiyu Cui, Hai-Bo Shang, Liyuan Wang, Hyok-Chol Ri, Chol-San Jon

Publikováno v: Journal of Food Composition and Analysis. 106:104262

In the present document, we report a novel miniaturized dispersive solid-phase extraction based on carbon fibers functionalized with ionic liquid for the determination of multiple-phytohormones and investigation on temporal distribution of phytohormo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3da831702b46b2c8ff94aec143225e69
https://doi.org/10.1016/j.jfca.2021.104262