Optical Properties of a Visible Push–Pull Chromophore Covalently Bound to Carbohydrates: Solution and Gas-Phase Spectroscopy Combined to Theoretical Investigations

2012 ◽  
Vol 116 (2) ◽  
pp. 841-851 ◽  
Author(s):  
Quentin Enjalbert ◽  
Amandine Racaud ◽  
Jérôme Lemoine ◽  
Sébastien Redon ◽  
Mehmet Menaf Ayhan ◽  
...  
1988 ◽  
Vol 152 (1) ◽  
pp. 87-93 ◽  
Author(s):  
K. McMillan ◽  
D. Bender ◽  
M. Eliades ◽  
D. Danzeiser ◽  
B.A. Wofford ◽  
...  

2015 ◽  
Vol 17 (26) ◽  
pp. 16767-16778 ◽  
Author(s):  
Dariusz Grzegorz Piekarski ◽  
Rudy Delaunay ◽  
Sylvain Maclot ◽  
Lamri Adoui ◽  
Fernando Martín ◽  
...  

Experimental and theoretical investigations show that hydroxyl migration leads to unexpected fragmentation dynamics of β-alanine dication in the gas phase.


2017 ◽  
Vol 89 (9) ◽  
pp. 1349-1357 ◽  
Author(s):  
Jasper Wattjes ◽  
Baptiste Schindler ◽  
Stéphane Trombotto ◽  
Laurent David ◽  
Bruno M. Moerschbacher ◽  
...  

AbstractWe propose a novel, bi-dimensional analysis of partially N-acetylated chitosan oligosaccharides based on gas phase Infra-Red spectroscopy integrated to mass spectrometry (MS). By providing simultaneously MS and IR fingerprints, this approach combines the advantages of MS with the refined structural detail offered by gas phase spectroscopy and provides robust signatures for the rapid discrimination of the patterns of N-acetylation. Four mono-N-deacetylated and two doubly-N-deacetylated chitosan tetramer standards with well-defined patterns of acetylation were produced and analyzed by IR integrated to MS. We show that each sequence displays a unique combination of MS and IR fingerprints, thus offering a rapid diagnostic for the pattern of acetylation without the need for reducing end labeling.


2015 ◽  
Vol 17 (39) ◽  
pp. 25809-25821 ◽  
Author(s):  
Aude Bouchet ◽  
Johanna Klyne ◽  
Giovanni Piani ◽  
Otto Dopfer ◽  
Anne Zehnacker

The effects of ionisation and protonation on the geometric and electronic structure of a prototypical aromatic amino-alcohol with two chiral centres are revealed by IR and UV spectroscopy.


2001 ◽  
Vol 105 (8) ◽  
pp. 1244-1253 ◽  
Author(s):  
Tibor Pasinszki ◽  
Nicholas P. C. Westwood

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