Results 131 to 140 of about 2,465,079 (227)

Fundamental studies of gas phase ionic reactions by ion mobility spectrometry [PDF]

, 1995
Ion mobility spectrometry (IMS) provides a promising approach to the study of gas phase ionic reactions in buffer gases at unusually high pressures. This point is illustrated here by studies of the Sn2 nucleophilic displacement reaction, Cl(-) + CH3Br ...
Knighton, W. B., Sahlstrom, K. E., Giles, K., Grimsrud, E. P.   +3 more
core  

A fusion strategy of multivariate flavor analysis techniques for the discrimination of aged sauce-flavor Baijiu

Food Chemistry: X
In the present work, effective methods for determining the age of sauce-flavor Baijiu by multivariate data analysis and machine learning techniques were explored.
Dan Wang, Yan Chen, Xinyu Ma, Xiaobing Zhang, Ji Zhang, Siqian Guo, Jingming Li, Liping Xiang   +7 more
doaj   +1 more source

Thermal decomposition and atmospheric pressure chemical ionization of alanine using ion mobility spectrometry and computational study

Heliyon
This study investigates the impact of thermal decomposition on the ion mobility spectrum of L-alanine using ion mobility spectrometry (IMS) and computational methods.
Manijeh Tozihi, Hamed Bahrami, Masoumeh Garmabdashti   +2 more
doaj   +1 more source

Assessment of Variable Traveling Wave Profiles for Small-Molecule Applications in Ion Mobility Spectrometry-Mass Spectrometry (IMS-MS)

Journal of the American Society for Mass Spectrometry
The MOBILion MOBIE system is a relatively new platform offering high ion mobility spectrometry (IMS) resolving power and resolution. While these advancements present encouraging opportunities for isomer separations and improved molecular annotation, previous studies have noted that collision cross section (CCS) values collected on the MOBIE and other ...
James N. Dodds, Amie M. Solosky, Sadie M. Disselkoen, Kara M. Joseph, Erin S. Baker   +4 more
openaire   +2 more sources

Geographical authentication of saffron by chemometrics applied to the ion mobility spectrometry data

Food Chemistry: X
There is a lack of a reliable tool for quickly determining the geographical origins of saffron (SFR). Ion mobility spectrometry (IMS) has emerged as a promising method for rapid authentication.
Nayereh Shamshiri, Reza Fattahi, Ahmad Mani-Varnosfaderani, Mohsen Barzegar, Mohammad Ali Sahari   +4 more
doaj   +1 more source

Third International Workshop on Ion Mobility Spectrometry [PDF]

, 1995
Basic research in ion mobility spectrometry has given rise to rapid advancement in hardware development and applications. The Third International Workshop on Ion Mobility Spectrometry (IMS) was held October 16-19, 1994, at Johnson Space Center to provide
Cross, John H.
core  

Reference library for suspect screening of environmental toxicants using ion mobility spectrometry-mass spectrometry

Communications Chemistry
Due to the potential health risks related to chemical exposure, rapidly assessing xenobiotic molecules in the environment and those already in the body is imperative.
Devin Teri, Noor A. Aly, James N. Dodds, Jian Zhang, Paul A. Thiessen, Evan E. Bolton, Kara M. Joseph, Antony J. Williams, Emma L. Schymanski, Ivan Rusyn, Erin S. Baker   +10 more
doaj   +1 more source

Laser Desorption-Ion Mobility Spectrometry of Explosives for Forensic and Security Applications

Molecules
Background: The detection of explosives in crime scene investigations is critical for forensic science. This study explores the application of laser desorption (LD) ion mobility spectrometry (IMS) as a novel method for this purpose utilising a new IMS ...
Giorgio Felizzato, Martin Sabo, Matej Petrìk, Francesco Saverio Romolo   +3 more
doaj   +1 more source

A study of focusing effect in the variable DC electric fields Ion mobility spectrometry

, 2013
A study of focusing effect in the variable DC electric fields Ion mobility ...
李海洋, 韩丰磊
core  

Gating Modes in Ion Mobility-Mass Spectrometry: Principles, Advances, and Coupling With Mass Analyzers. [PDF]

Rapid Commun Mass Spectrom
Li T, Xiong S, Jiang T, Xu W.
europepmc   +1 more source