Plasmonic Hydroxyl Radical-Driven Epoxidation of Fatty Acid Double Bonds in Nanoseconds for On-Tissue Mass-Spectrometric Analysis and Bioimaging

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Jia, Shanshan;Chang, Shao;Zhang, Lin;Gui, Zhengwei;Liu, Linhui;...

通讯作者：

Zhong, Hongying(hyzhong@gxu.edu.cn)

作者机构：

[Zhong, Hongying; Liu, Linhui; Ma, Zhenglan; Jia, Shanshan] Cent China Normal Univ, Coll Chem, Lab Mass Spectrometry, Key Lab Pesticides & Chem Biol,Minist Educ, Wuhan 430079, Hubei, Peoples R China.

[Zhong, Hongying; Huang, Xingchen; Chang, Shao] Guangxi Univ, Ctr Instrumental Anal, Coll Life Sci & Technol, State Key Lab Conservat & Utilizat Subtrop Agrobio, Nanning 530004, Guangxi, Peoples R China.

[Gui, Zhengwei; Li, Shuyu; Zhang, Lin] Huazhong Univ Sci & Technol, Tongi Med Coll, Wuhan 430030, Hubei, Peoples R China.

通讯机构：

[Hongying Zhong] L

Laboratory of Mass Spectrometry, College of Chemistry, Central China Normal University, Key Laboratory of Pesticides and Chemical Biology, Ministry of Education, Wuhan, Hubei 430079, P.R. China<&wdkj&>State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Life Science and Technology, Guangxi University, Center for Instrumental Analysis of Guangxi University, Nanning, Guangxi 530004, P.R. China

语种：

英文

期刊：

Analytical Chemistry

ISSN：

0003-2700

年：

2023

卷：

期：

页码：

3976-3985

DOI：

10.1021/acs.analchem.2c03759

基金类别：

Yingkai Pu is greatly appreciated for his creation of the cover art. He is currently a graduate student in the School of Fine Arts of Central China Normal University. Authors appreciate the financial support from the National Natural Science Foundation of China (NSFC nos. 21834002 and 81761128005) as well as research funds of Guangxi University and Central China Normal University.

机构署名：

本校为第一机构

院系归属：

化学学院

摘要：

Lipids represent a large family of compounds with highly diverse structures that are involved in complex biological processes. A photocatalytic technique of on-tissue epoxidation of C=C double bonds has been developed for in situ mass spectrometric identification and spatial imaging of positional isomers of lipids. It is based on the plasmonic hot-electron transfer from irradiated gold nanowires to redox-active organic matrix compounds that undergo bond cleavages and generate hydroxyl radicals in nanoseconds. Intermediate radical anions and neg...

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Plasmonic Hydroxyl Radical-Driven Epoxidation of Fatty Acid Double Bonds in Nanoseconds for On-Tissue Mass-Spectrometric Analysis and Bioimaging

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