PatentDOI
Miniature toroidal radio frequency ion trap mass analyzer
Stephen A. Lammert,Samuel E. Tolley,Edgar D. Lee,Jeffrey L. Jones,Randall W. Waite,Milton L. Lee +5 more
TLDR
A scaled down version of a toroidal radio frequency (RF) ion trap mass analyzer operating with RF trapping voltages on the order of 1 kVp-p was proposed in this article.About:
This article is published in Journal of the American Society for Mass Spectrometry.The article was published on 2006-12-13. It has received 132 citations till now. The article focuses on the topics: Quadrupole ion trap & Ion trap.read more
Citations
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Journal ArticleDOI
Miniature and Fieldable Mass Spectrometers: Recent Advances.
TL;DR: This work presents a meta-modelling procedure that automates the very labor-intensive and therefore time-heavy and therefore expensive and expensive process of sampling ambient Ionization and Sampling using a simple and scalable approach.
Journal ArticleDOI
Miniature mass spectrometers
Zheng Ouyang,R. Graham Cooks +1 more
TL;DR: This discussion of the total analytical system emphasizes the removal of the bottleneck of sample preparation and suggests a solution to the combination of sampling, preconcentration, and ionization: ambient ionization methods.
Journal ArticleDOI
Hand-Portable Gas Chromatograph-Toroidal Ion Trap Mass Spectrometer (GC-TMS) for Detection of Hazardous Compounds
Jesse A. Contreras,Jacolin A. Murray,Samuel E. Tolley,Joseph L. Oliphant,H. Dennis Tolley,Stephen A. Lammert,Edgar D. Lee,Douglas W. Later,Milton L. Lee +8 more
TL;DR: A novel gas chromatograph-mass spectrometer (GC-MS) based on a miniature toroidal ion trap mass analyzer (TMS) and a low thermal mass GC is described in this article.
Journal ArticleDOI
Design and characterization of a multisource hand-held tandem mass spectrometer.
TL;DR: The performance of the mass spectrometer for large and small molecules is characterized and limits of detection in the parts-per-billion range were obtained for selected compounds examined using both the internal ionization and external ionization modes.
Focus: HARSH ENVIRONMENT MASS SPECTROMETRY Hand-Portable Gas Chromatograph-Toroidal Ion Trap Mass Spectrometer (GC-TMS) for Detection of Hazardous Compounds
Jesse A. Contreras,A. Murray,Samuel E. Tolley,Joseph L. Oliphant,H. Dennis Tolley,Stephen A. Lammert,Edgar D. Lee,Douglas W. Later,Milton L. Lee +8 more
TL;DR: A novel gas chromatograph-mass spectrometer (GC-MS) based on a miniature toroidal ion trap mass analyzer (TMS) and a low thermal mass GC is described, designed to easily make measurements in a variety of complex and harsh environments.
References
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Journal ArticleDOI
A two-dimensional quadrupole ion trap mass spectrometer.
TL;DR: Improved trapping efficiency and increased ion capacity are observed relative to a three-dimensional (3-D) ion trap with similar mass range, although adequate mechanical tolerance of the trap structure is a requirement.
Book
Quadrupole mass spectrometry and its applications
TL;DR: In this article, the authors introduce the principles of operation of the Mass Filter, Quadrupole Ion Traps, and the Monopole: design and performance, and present applications in Atomic and Molecular Physics.
Journal ArticleDOI
A new linear ion trap mass spectrometer
TL;DR: In this paper, a linear quadrupole ion trap is used to extract high-sensitivity mass spectral responses, which can result in extraction of as much as 20% of the trapped ions.
Journal ArticleDOI
Linear ion traps in mass spectrometry.
TL;DR: Potentials and ion motion in linear multipole fields and methods of ion trapping, cooling, excitation, and isolation are described, and a description of various mass discrimination effects that have been reported with linear ion traps are reported.
Journal ArticleDOI
Rectilinear ion trap: concepts, calculations, and analytical performance of a new mass analyzer.
TL;DR: A mass analyzer based on a rectilinear geometry ion trap (RIT) has been built, and its performance has been characterized, showing an improvement of 40 times in the signal-to-noise ratio resulting from the higher ion trapping capacity of the RIT.