Monitoring Self-Sorting by Electrospray Ionization Mass Spectrometry: Formation Intermediates and Error-Correction during the Self-Assembly of Multiply Threaded Pseudorotaxanes

2010 ◽  
Vol 132 (7) ◽  
pp. 2309-2320 ◽  
Author(s):  
Wei Jiang ◽  
Andreas Schäfer ◽  
Parveen Choudhary Mohr ◽  
Christoph A. Schalley
Keyword(s):  
Mass Spectrometry ◽  
Error Correction ◽  
Electrospray Ionization ◽  
Electrospray Ionization Mass Spectrometry ◽  
Self Assembly ◽  
The Self ◽  
Ionization Mass Spectrometry ◽  
Ionization Mass

Identification of Self-Assembly Products of L-Valine Mediated by Phosphorus Trichloride by ESI Mass Spcetrometry

2011 ◽  
Vol 365 ◽  
pp. 263-266
Author(s):  
Wen Jie Zhao ◽  
Liu Yang ◽  
Kui Lu
Keyword(s):  
Mass Spectrometry ◽  
Electrospray Ionization ◽  
Electrospray Ionization Mass Spectrometry ◽  
Self Assembly ◽  
Phosphorus Trichloride ◽  
Ionization Mass Spectrometry ◽  
Ionization Mass ◽  
Esi Ms ◽  
Peptide Esters

With the assistance of phosphorus trichloride, L-Valine (L-Val) was assembled into homopeptides and homocyclopeptides which were analyzed by electrospray ionization mass spectrometry (ESI-MS). On quenching with water or various alcohols, the reaction mixtures yielded the corresponding peptides or peptide esters and cyclopeptides, respectively. The formation of the products was proved by multistage electrospray ionization mass spectrometry (ESI-MS/MS).

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