ion trap mass spectrometer
An aircraft-borne chemical ionization – ion trap mass spectrometer (CI-ITMS) for fast PAN and PPN measurements
... ionization ion trap mass spectrometer instrument (CI-ITMS) has been developed for tropospheric and stratospheric fast in-situ measurements of PAN (peroxyacetyl nitrate) and PPN ...
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Novel instrumentation and method development for a quadrupole ion trap mass spectrometer
... quadrupole ion trap mass spectrometer (QITMS) is modified to sample particles via an aerodynamic lens ...heated ion trap that reduces fragmentation compared to other ...most ...
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Improved methods of tandem mass spectrometry for proteomics applications in a quadrupole ion trap mass spectrometer
... quadrupole ion trap, the software for the LTQ provided limited user control and thus required an unconventional mode of operation to observe product ions below the CID ...of mass analysis (MSn) which ...
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Index Catalog // Carolina Digital Repository
... HPLC ion trap mass ...the ion trap, it was clear that the lower concentrations of HDA and isotriamine could not be detected in ...the ion trap mass ...
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Induced in-source fragmentation pattern of certain novel (1Z,2E)-N-(aryl)propanehydrazonoyl chlorides by electrospray mass spectrometry (ESI-MS/MS)
... quadrupole mass spectrometer system (QQQ) typically yields more abundant fragment ions than those produced with resonance excitation in the presence of helium gas in the ion trap mass ...
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Methods of analyzing crude oil
... Tandem Mass Spectrometry Bench - Top Ion Trap Mass Spectrometer 65 Mass -selected ions were fragmented through energetic Two different groups of nitrogenous corrosion inhibitors collisio[r] ...
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Campbell_unc_0153D_17864.pdf
... quadrupole ion trap mass spectrometer 34,35 ...quadrupole ion trap allows for the water adduction reaction time to be easily controlled, allowing for easy measurements of ...
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The ion trap aerosol mass spectrometer: field intercomparison with the ToF-AMS and the capability of differentiating organic compound classes via MS-MS
... in ion rates and in mass concentrations, which are calculated using the linear rela- tionships with the ToF-AMS ...observed mass con- centrations ...species mass concentrations in- dependently ...
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Nagaraj, Nagarjuna (2010): Developing mass spectrometry towards applications in clinical proteomics. Dissertation, LMU München: Fakultät für Chemie und Pharmazie
... the ion trap based tandem mass spectrometry has gained in popularity over the quadrupole mass ...in ion trap instruments. Advantages of the ion trap include high ...
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Hanke, Stefan (2008): Characterization of signal transduction pathways by MS-based quantitative proteomics: Phosphotyrosine interactomics and insulin signaling Absolute quantitation of proteins by mass spectrometry. Dissertation, LMU München: Fakultät für Chemie und Pharmazie
... full mass range is trapped, total dynamic range is limited by the fact that the C-trap can only accommodate a finite number of ions (one ...selected ion monitoring (SIM) scans ac- cumulate only a ...
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Advanced applications of high performance Fourier transform ion cyclotron resonance mass spectrometry
... an ion cyclotron resonance cell (ICR cell, details see section ...to ion losses and low energy transfer ...linear ion trap-FTICR, more efficient CAD process could be achieved by collisions in ...
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Chemical composition and biological activity analysis of semen euphorbiae petroleum ether extracts
... Stuart smp3 Melting Point Apparatus; Varia INOVA 600 Nuclear Magnetic Resonance; Agilent Trap VL mass spectrometer; Silica gel (Chromatography grade, Qingdao Haiyang Chemical Co., Ltd, Shandong, ...
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Development of automated preparation system for isotopocule analysis of N 2O in various air samples
... chemical trap (CT in ...concentration trap (T1 in Fig. 1), and a mass flow controller (SEC-E40; Horiba Stec ...chemical trap is a glass tube (9 mm outer diameter ...
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Development of a Scintillation Detector for Fast Ion Counting in a Mass Spectrometer EUR 4567
... TASMAN Commission of the European Communities Joint Nuclear Research Center — Karlsruhe Establishment Germany European Institute for Transuranium Elements Luxembourg, November 1970 — 30 [r] ...
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Multi-Segment Direct Inject nano-ESI-LTQ-FT-ICR-MS/MS For Protein Identification
... parent ion MS scan and a direct inject single step full range parent ion MS scan were conducted on selected 2D gel protein spots and the results were compared with the more traditional HPLC MS/MS ...parent ...
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High Resolution Mass Spectrometry for the Recognition and Structural Characterization of a New Antimicrobial Compound
... These data resulted essential to distinguish the compound among already identified species and confirm its novelty. The potential of high-resolution tan- dem mass spectrometry to discover new components without ...
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Shotgun Lipidomics by Sequential Precursor Ion Fragmentation on a Hybrid Quadrupole Time-of-Flight Mass Spectrometer
... mode ion spray voltage at 5000, negative mode ion spray voltage at −4000, declustering potential at 40 V, and at an ESI source operating temperature of 300 ...delivers mass calibration solution (12 ...
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Blakeman_unc_0153D_15467.pdf
... pressures. Mass spectra for CEES was acquired at 7 mTorr for both helium and nitrogen buffer gases (Figure ...helium mass spectra, major peaks were observed at 126 Da (chlorine isotope peak), 125 Da ...
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Advanced methods in fourier transform ion cyclotron resonance mass spectrometry
... FT-ICR mass spectrum can be phased using quadratic least-squares fit and ...the ion transient of the spectrum, but no information from the experimental pulse program during the collection of the data is ...
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A novel approach to denoising ion trap tandem mass spectra
... fragment ion or a noisy ...fragment ion may be related to other fragment ions in a true tandem mass ...the mass differ- ence of two signal ions may be equal to the mass of one of the 20 ...
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