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454 (0,121s) •

Project

Identification of trace gases in human breath using SIFT-MS (GP203/09/P172)

tube mass spectrometry, SIFT-MS, is an analytical technique for real time, on line analysis of the trace gases in ambient air and especially in exhaled breath. Using SIFT-MS instrument we have researched methods f...

CF - Fyzikální chemie a teoretická chemie

  • 2009 - 2011
    • •
  • 1 073 tis. Kč
    • •
  • 1 073 tis. Kč
    • •
  • GA ČR
Project

Combination of SIFT-MS with electrochemical methods for real-time quantification of volatiles released by damaged bacterial and cell cultures (GP14-15771P)

With the advent of Selected Ion Flow Tube Mass Spectrometry (SIFT-MS) real time analysis of volatile organic compounds (VOCs) is becoming an active research field. SIFT-MS quantification of volatile biomarkers is r...

CB - Analytická chemie, separace

  • 2014 - 2016
    • •
  • 2 451 tis. Kč
    • •
  • 2 451 tis. Kč
    • •
  • GA ČR
Project

Selected ion flow drift tube mass spectrometry with negative ions and nitrogen carrier gas (GA21-25486S)

The technique of selected ion flow tube mass spectrometry, SIFT-MS has become- with molecules of trace gas analytes (or VOC vapours). So far SIFT-MS used helium carrier gas. Also methods relevant to promising area...

Analytical chemistry

  • 2021 - 2024
    • •
  • 8 717 tis. Kč
    • •
  • 8 596 tis. Kč
    • •
  • GA ČR
Project

Excitation, separation and fragmentation of ions by drift fields in SIFT-MS for immediate selective trace gas quantification (GA13-28882S)

spectrometry, SIFT-MS. An experimental apparatus will be constructed that allows establishment of electric drift fields (E) in the SIFT-MS flow tube. The mobility in helium......

CB - Analytická chemie, separace

  • 2013 - 2016
    • •
  • 5 444 tis. Kč
    • •
  • 5 444 tis. Kč
    • •
  • GA ČR
Project

Mass spectrometric quantification of volatile metabolites in breath for noninvasive diagnosis and monitoring of bacterial infection in cystic fibrosis (GA14-14534S)

mass spectrometry (SIFT-MS) and gas chromatography mass spectrometry (GC-MS). SIFT-MS quantification of trace gases at low concentrations (<10 parts-per-billion......

CB - Analytická chemie, separace

  • 2014 - 2016
    • •
  • 7 575 tis. Kč
    • •
  • 7 575 tis. Kč
    • •
  • GA ČR
Project

*Research and development of system of identification of explosives (FR-TI1/130)

using NQR, SIFT and LIDB prototypes. After testing the most suitable method...

JY - Střelné zbraně, munice, výbušniny, bojová vozidla

  • 2009 - 2012
    • •
  • 20 040 tis. Kč
    • •
  • 13 750 tis. Kč
    • •
  • MPO
Project

Selected ion flow tube mass spectrometry studies of volatile compounds emited by bacterial cultures (GA203/09/0256)

tube mass spectrometry, SIFT-MS, is an analytical technique for real time, on line analysis of the trace gases in ambient air and especially in exhaled breath. Using SIFT-MS instrument we have researched methods f...

CF - Fyzikální chemie a teoretická chemie

  • 2009 - 2012
    • •
  • 6 696 tis. Kč
    • •
  • 6 696 tis. Kč
    • •
  • GA ČR
Project

Understanding the mechanisms of ion-molecule reactions in dielectric barrier discharge ionisation (DBDI) leading to quantification of volatiles in gas (GA24-12564S)

spectrometry (MS) with the aim of providing direct quantification of parts-per-trillion VOC concentrations. DBDI-MS will thus complement the currently used selected ion flow tube (SIFT-MS) and secondary electrospr...

Physical chemistry

  • 2024 - 2026
    • •
  • 7 237 tis. Kč
    • •
  • 7 130 tis. Kč
    • •
  • GA ČR
Project

Secondary electrospray ionization mass spectrometry (SESI-MS) for quantification of gaseous analytes in air, headspace and breath (GA18-12902S)

The secondary electrospray ionization mass spectrometry (SESI-MS) technique is a highly sensitive promising technique for the analyses of complex mixtures of trace range. However, a major weakness of the SESI-MS method is a lack of ...

Analytical chemistry

  • 2018 - 2022
    • •
  • 5 853 tis. Kč
    • •
  • 5 238 tis. Kč
    • •
  • GA ČR
Project

New ion chemistry methods for rapid mass spectrometric monitoring of atmospheric biogenic volatile organic compounds responsible for air pollution (GJ17-13157Y)

mass spectrometry, SIFT-MS and selected ion flow drift tube mass spectrometry SIFDT-MS and to resolve terpene isomers on the basis of different product ion techniques allow off-line analysis of air samples (e.g. TD-GC/...

CB - Analytická chemie, separace

  • 2017 - 2019
    • •
  • 6 854 tis. Kč
    • •
  • 6 854 tis. Kč
    • •
  • GA ČR
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