Direct mass spectrometric imaging of document handwriting with laser desorption ionization and post ultraviolet photodissociation

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成果类型：

期刊论文

作者：

Jia, Shanshan;Zhou, Xin;Yang, Xiaojie;Wang, Xin;Chang, Shao;...

通讯作者：

Zhong, HY

作者机构：

[Yang, Xiaojie; Zhong, Hongying; Jia, Shanshan] Guangxi Univ, Med Coll, Ctr Instrumental Anal, Nanning 530004, Guangxi, Peoples R China.

[Zhong, Hongying; Liu, Yuqi; Huang, Xingchen; Chang, Shao] Cent China Normal Univ, Coll Chem, Int Joint Res Ctr Intelligent Biosensor Technol &, Natl Key Lab Green Pesticide, Wuhan 430079, Hubei, Peoples R China.

[Zhong, Hongying; Liu, Yuqi; Huang, Xingchen; Chang, Shao] Guangxi Univ, Coll Life Sci & Technol, Nanning 530004, Guangxi, Peoples R China.

[Wang, Xin] Acad Forens Sci, Shanghai 200063, Peoples R China.

[Zhong, Hongying; Zhong, HY] Guangxi Univ, Ctr Instrumental Anal, Nanning 530004, Guangxi, Peoples R China.

通讯机构：

[Zhong, HY ] G

Guangxi Univ, Ctr Instrumental Anal, Nanning 530004, Guangxi, Peoples R China.

语种：

英文

关键词：

Dynamic features;Handwriting;Laser desorption ionization (LDI);Mass spectrometric imaging;Ultraviolet photodissociation (UVPD)

期刊：

Analytica Chimica Acta

ISSN：

0003-2670

年：

2023

卷：

1265

页码：

341267

DOI：

10.1016/j.aca.2023.341267

基金类别：

The authors thank the final support from National Natural Science Foundation of China (NSFC 21834002 , 81761128005 ), and research Funds of Guangxi University and Central China Normal University .

机构署名：

本校为其他机构

院系归属：

化学学院

摘要：

Handwriting represents personal education and physical or psychological states. This work describes a chemical imaging technique for document evaluation that combines laser desorption ionization with post ultraviolet photo-induced dissociation (LDI-UVPD) in mass spectrometry. Taken the advantages of chromophores in ink dyes, handwriting papers were subjected to direct laser desorption ionization without additional matrix materials. It is a surface-sensitive analytical method that uses a low intensity pulsed laser at 355 nm to remove chemical co...

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Direct mass spectrometric imaging of document handwriting with laser desorption ionization and post ultraviolet photodissociation

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