Results 251 to 260 of about 2,450,645 (310)

Coated Blade Spray Ion Mobility Spectrometry. [PDF]

Anal Chem
Thoben C, Stadtler JJ, Simon PR, Raddatz CR, Sehlmeyer M, Zimmermann S.   +5 more
europepmc   +1 more source

Gas chromatography-ion mobility spectrometry-based fingerprint analysis of volatile flavor compounds in ginger cultivated under different conditions. [PDF]

Curr Res Food Sci
Jia QQ, Li JX, Yang S, Su DD.
europepmc   +1 more source

The detection and utilization of volatile metabolomics in Klebsiella pneumoniae by gas chromatography-ion mobility spectrometry. [PDF]

Sci Rep
Li F, Gu S, Zhao C, Zheng Y, Zhu J, Hu L, Hang Y.   +6 more
europepmc   +1 more source

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Ion mobility–mass spectrometry

Journal of Mass Spectrometry, 2008
AbstractThis review article compares and contrasts various types of ion mobility–mass spectrometers available today and describes their advantages for application to a wide range of analytes. Ion mobility spectrometry (IMS), when coupled with mass spectrometry, offers value‐added data not possible from mass spectra alone. Separation of isomers, isobars,
Prabha Dwivedi, Herbert Hill, Maggie Tam   +2 more
exaly   +3 more sources

Correlation ion mobility spectrometry

The Analyst, 2017
Using a linearly swept chirp function to modulate a Bradbury–Nielsen (BN) ion gate and application of a common signal processing technique (cross-correlation), we outline a method for obtaining high resolution IMS–MS spectra with ion gate duty cycles approaching 50%.
Austen L. Davis, Wenjie Liu, William F. Siems, Brian H. Clowers   +3 more
openaire   +2 more sources

Inverse Ion Mobility Spectrometry

Analytical Chemistry, 2009
A novel method is proposed for enhancing the separation power of ion mobility spectrometry (IMS) and other similar pulsed techniques, such as time-of-flight mass spectrometry. In this technique, rather than generating an ion packet, a dip is created in the ion beam. This is achieved by an inverse pulse applied to the shutter grid.
Mahmoud, Tabrizchi, Elham, Jazan
openaire   +2 more sources

Ion mobility spectrometry and ion mobility spectrometry/mass spectrometric characterization of dimenhydrinate

Biological Mass Spectrometry, 1988
Positive and negative ion mobility spectra of dimenhydrinate are presented, and the calculated reduced mobility (K0) values for the most significant peaks are reported. Mass identification of the ionic species associated with the peaks in the ion mobility spectra was achieved by interfacing the ion mobility spectrometer to a mass spectrometer.
A H, Lawrence, A A, Nanji
openaire   +2 more sources

Developments in ion mobility spectrometry–mass spectrometry

Analytical and Bioanalytical Chemistry, 2001
Ion mobility spectrometry (IMS) has been used for over 30 years as a sensitive detector of organic compounds. The following is a brief review of IMS and its principles with an emphasis on its usage when coupled to mass spectrometry. Since its inception, IMS has been interfaced with quadrupole, time-of-flight, and Fourier-transform ion cyclotron ...
D C, Collins, M L, Lee
openaire   +2 more sources

Fourier Deconvolution Ion Mobility Spectrometry

Talanta, 2022
Multiplexing the ion packet injection with advanced signal processing is an effective method to improve both the ion throughput and signal-to-noise ratio for ion mobility spectrometry. Generally used multiplexing methods include Hadamard transform ion mobility spectrometry (HT-IMS), Fourier transform ion mobility spectrometry (FT-IMS), and correlation ...
Wenyan Hu, Qingyan Meng, Ying Lu, Yanfeng Xu, Okonkwo Juliet Nwadiuso, Jianna Yu, Wen Liu, Guoxing Jing, Wenshan Li, Wenjie Liu   +9 more
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Dynamic Response of Ion Mobility Spectrometry

Journal of the American Society for Mass Spectrometry, 2022
Ion mobility spectrometers (IMS) are widely used in the security industry as well as in analytical measurements. Nevertheless, the IMS input is dynamic in nature because the sampling input can vary over time. Similar to most instruments, IMS is unable to respond immediately to variations in the input sample.
Mahmoud Tabrizchi, Elaheh Maki Abadi, Razieh Parchami, Elham Fadaei   +3 more
openaire   +2 more sources