Perfluorotributylamine as a probe molecule for distinguishing internal and external acidic sites in zeolites by high-resolution 1H MAS NMR spectroscopy

1999 ◽  
pp. 1091-1092 ◽  
Author(s):  
Weiping Zhang ◽  
Ding Ma ◽  
Xianchun Liu ◽  
Xiumei Liu ◽  
Xinhe Bao
2016 ◽  
Vol 18 (28) ◽  
pp. 18687-18691 ◽  
Author(s):  
Kamal H. Mroue ◽  
Jiadi Xu ◽  
Peizhi Zhu ◽  
Michael D. Morris ◽  
Ayyalusamy Ramamoorthy

Using a 1H-based constant-time uniform-sign cross-peak (CTUC) COSY-type MAS NMR experiment, we have identified a triglyceride layer as the main component of small lipid droplets embedded on the surface of collagen fibrils in compact bone.


RSC Advances ◽  
2015 ◽  
Vol 5 (109) ◽  
pp. 89659-89668 ◽  
Author(s):  
Felix Hemmann ◽  
Iker Agirrezabal-Telleria ◽  
Christian Jaeger ◽  
Erhard Kemnitz

A new method is described for the calculation of molar extinction coefficients for quantitative FTIR measurements of acidic surface sites.


Author(s):  
José C. Martins ◽  
Frédéric A. G. Mercier ◽  
Alexander Vandervelden ◽  
Monique Biesemans ◽  
Jean-Michel Wieruszeski ◽  
...  

ChemPhysChem ◽  
2019 ◽  
Vol 21 (1) ◽  
pp. 113-119 ◽  
Author(s):  
Valeria Di Tullio ◽  
Nicholas Zumbulyadis ◽  
Silvia A. Centeno ◽  
Jaclyn Catalano ◽  
Molly Wagner ◽  
...  

The Analyst ◽  
2015 ◽  
Vol 140 (12) ◽  
pp. 3942-3946 ◽  
Author(s):  
Marion André ◽  
Martial Piotto ◽  
Stefano Caldarelli ◽  
Jean-Nicolas Dumez

The acquisition of ultrafast high-resolution magic-angle spinning (HR-MAS) NMR spectra of semi-solid samples is demonstrated.


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