Study of Substituted Phenethylamine Fragmentation Induced by Electrospray Ionization Mass Spectrometry and Its Application for Highly Sensitive Analysis of Neurotransmitters in Biological Samples

2021 ◽  
Author(s):  
Daiki Asakawa ◽  
Eiji Sugiyama ◽  
Hajime Mizuno ◽  
Kenichiro Todoroki
Keyword(s):  
Mass Spectrometry ◽  
Electrospray Ionization ◽  
Electrospray Ionization Mass Spectrometry ◽  
Biological Samples ◽  
Ionization Mass Spectrometry ◽  
Ionization Mass ◽  
Sensitive Analysis ◽  
Highly Sensitive

Fragmentation study of tryptophan-derived metabolites induced by electrospray ionization mass spectrometry for highly sensitive analysis

The Analyst ◽  
2021 ◽  
Author(s):  
Daiki Asakawa ◽  
Hajime Mizuno ◽  
Eiji Sugiyama ◽  
Kenichiro Todoroki
Keyword(s):  
Mass Spectrometry ◽  
Detection Limit ◽  
Electrospray Ionization ◽  
Electrospray Ionization Mass Spectrometry ◽  
Ionization Mass Spectrometry ◽  
Ionization Mass ◽  
Sensitive Analysis ◽  
Fragment Ions ◽  
Highly Sensitive ◽  
Intense Signal

ESI of tryptophan-derived metabolites produced an intense signal of fragment ion with a spiro[cyclopropane-indolium] backbone. The use of corresponding fragment ions for the precursor of MRM transitions could improve the detection limit.

Separation and sensitive determination of sphingolipids at low femtomole level by using HPLC-PIESI-MS/MS

The Analyst ◽  
2014 ◽  
Vol 139 (17) ◽  
pp. 4169-4175 ◽  
Author(s):  
Chengdong Xu ◽  
Eduardo Costa Pinto ◽  
Daniel W. Armstrong
Keyword(s):  
Mass Spectrometry ◽  
Electrospray Ionization ◽  
Electrospray Ionization Mass Spectrometry ◽  
Ionization Mass Spectrometry ◽  
Ionization Mass ◽  
Trace Determination ◽  
Highly Sensitive ◽  
Sensitive Determination ◽  
Paired Ion Electrospray Ionization

A highly sensitive paired ion electrospray ionization mass spectrometry (PIESI-MS) approach was developed for the trace determination of sphingolipids.

Solvent gradient electrospray for laser ablation electrospray ionization mass spectrometry

The Analyst ◽  
2017 ◽  
Vol 142 (16) ◽  
pp. 2921-2927 ◽  
Author(s):  
Hang Li ◽  
Akos Vertes
Keyword(s):  
Mass Spectrometry ◽  
Laser Ablation ◽  
Electrospray Ionization ◽  
Electrospray Ionization Mass Spectrometry ◽  
Biological Samples ◽  
Ionization Mass Spectrometry ◽  
Ionization Mass ◽  
Spray Solution ◽  
Ms Analysis ◽  
Laser Ablation Electrospray Ionization

Changing spray solution polarity in a gradient electrospray improves molecular coverage in LAESI-MS analysis of biological samples.

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