Results 131 to 140 of about 24,155 (261)

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

Conformational Distribution of Bradykinin [bk + 2H]2+ Revealed by Cold Ion Spectroscopy Coupled with FAIMS [PDF]

, 2018
We employ cold ion spectroscopy (CIS) in conjunction with high-field asymmetric waveform ion mobility spectrometry (FAIMS) to study the peptide bradykinin in its doubly protonated charge state ([bk + 2H]2+).
Boyarkin, Oleg, Papadopoulos, Georgios, Rizzo, Thomas, Svendsen, Annette   +3 more
core  

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

Real-time 2D separation by LC × differential ion mobility hyphenated to mass spectrometry [PDF]

, 2018
The liquid chromatography-mass spectrometry (LC-MS) analysis of complex samples such as biological fluid extracts is widespread when searching for new biomarkers as in metabolomics.
Hopfgartner, Gérard, Le Blanc, J., Varesio, Emmanuel   +2 more
core  

Hand-Held Devices Detect Explosives and Chemical Agents [PDF]

, 2010
Ion Applications Inc., of West Palm Beach, Florida, partnered with Ames Research Center through Small Business Innovation Research (SBIR) agreements to develop a miniature version ion mobility spectrometer (IMS).

core   +1 more source

Optical and electronic properties of sub-surface conducting layers in diamond created by MeV B-implantation at elevated temperatures

, 2016
Boron implantation with in-situ dynamic annealing is used to produce highly conductive sub-surface layers in type IIa (100) diamond plates for the search of a superconducting phase transition.
Bowers, H., Ganesan, K., Johnson, B. C., Liu, R., McCallum, J. C., Prawer, S., van Beveren, L. H. Willems   +6 more
core   +1 more source

Improving forensic casework analysis and interpretation of gunshot residue (GSR) evidence [PDF]

, 2011
University of Technology, Sydney. Faculty of Science.There are two main challenges to gunshot residue (GSR) evidence. The first concerns analysis. The lack of screening techniques complicates sampling and analysis of large areas or numbers of exhibits.
Hales, S
core  

Quantitative detection of benzene in toluene- and xylene-rich atmospheres using high-kinetic-energy ion mobility spectrometry (IMS).

Analytical Chemistry, 2014
J. Langejuergen, Maria Allers, Jens Oermann, A. Kirk, S. Zimmermann   +4 more
semanticscholar   +1 more source

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

Real-time monitoring of breath ammonia during haemodialysis: use of ion mobility spectrometry (IMS) and cavity ring-down spectroscopy (CRDS) techniques.

Nephrology, Dialysis and Transplantation, 2012
G. Neri, A. Lacquaniti, G. Rizzo, N. Donato, M. Latino, M. Buemi   +5 more
semanticscholar   +1 more source