Duty cycle mass spectrometry
WebMar 1, 2005 · The investigation of a MALDI triple quadrupole instrument for the analysis of spirolide toxins in phytoplankton samples is described in this study. A high-frequency (kHz) laser was employed for MALDI, generating a semicontinuous ion beam, thus taking advantage of the high duty cycle obtained in sens … WebOrbitrap systems connect to liquid chromatography equipment to enhance separation of unknown and known compounds and enable high-throughput workflows. Thermo Fisher Scientific offers a wide portfolio of Orbitrap …
Duty cycle mass spectrometry
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WebDuty Cycle Improvement for a Quadrupole–Time-Of-Flight Mass Spectrometer I.V. Chernushevich, Eur. J. Mass Spectrom. 6, 471–479 (2000) Duty cycle improvement for a quadrupole– time-of-flight ... WebThe present invention generally pertains to methods of characterizing at least one protein of interest in a biological sample. In particular, the present invention pertains to the use of automated iterative tandem mass spectrometry (AIMS) to identify, quantify and characterize at least one protein of interest and/or biomarker from a biological sample such as plasma.
WebAug 13, 2014 · Duty cycle in mass spectrometry can be used to describe the proportion of time that ions are accepted from a continuous ion source such as electrospray ionization. High duty cycle is... WebFeb 1, 2024 · When operating at 100% duty cycle, the spectrometer is shown to trap a broad range of ions ( / 622–2722) with an average trapping efficiency of ∼70%. Trapping …
WebMass spectrometry involves the control of ion movement by applying electrostatic fields. Ion optics is the term given to this electrostatic manipulation of ion flow in analogy with light manipulation by optical … WebThe mechanism of ion trapping, gating and bunching is studied under various conditions. By varying trapping and gating parameters, different modes of operation are achievable: from a 100% duty cycle restoration for a narrow mass range …
WebThe intense levels of radiation required are produced by pulsed lasers with very short duty cycles, however, making efficient sample use difficult. (The duty cycle is the ratio of the …
WebFurther increasing the number of mass windows to eight (figure 4(d)) now completely smoothes the duty cycle to a constant 30% duty cycle. In general, the experimental data is … tss group a.sWebThe duty cycle is not a constant for an instrument design but is a mass-dependent function and is least for smaller masses. The method described here is capable of raising the duty … tssh113WebNov 22, 2011 · Journal of The American Society for Mass Spectrometry ... Typical duty cycle is in the range of 5% to 30% depending on the instrument geometry and ion m/z value. We present here a novel trapping/releasing setup, which offers the duty cycle near 100% over a wide range. Operation in the mass range from m/z 120 to almost 2000 is demonstrated. phits t-crossWebDuty Cycle Improvement for a Quadrupole–Time-Of-Flight Mass Spectrometer I.V. Chernushevich, Eur. J. Mass Spectrom. 6, 471–479 (2000) Duty cycle improvement for a … tssg sicWebFeb 1, 2024 · Though more complete ejection of the accumulated ions was reported when using helium, the IMS duty cycle (1.6–33%) was still far from 100% since the capacity of the ion funnel/trap was not sufficient to store ions for the entire duration of the 60 ms drift time. Introduced in 2011 by Park and coworkers, trapped ion mobility spectrometry (TIMS ... tssh-1108WebThis system incorporates the brightest ion source, a segmented quadrupole mass filter with improved selectivity and ion transmission, Advanced Vacuum Technology for improved ion transmission to the Thermo Scientific™ Orbitrap™ mass analyzer, and ETD HD, a higher-capacity ETD fragmentation. tss gw00550150WebJun 9, 2000 · Duty cycle is also called Duty Factor and Duty Ratio, and in this context is literally the product of the pulse duration and the pulse repetition frequency (Duration x … phits rcc