Results 201 to 210 of about 8,221 (247)
Linking 3DP manufacturing with SIFT-MS volatiles organic compound analysis
, 2023 openaire +1 more source
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Progress in SIFT‐MS: Breath analysis and other applications
Mass Spectrometry Reviews, 2011AbstractThe development of selected ion flow tube mass spectrometry, SIFT‐MS, is described from its inception as the modified very large SIFT instruments used to demonstrate the feasibility of SIFT‐MS as an analytical technique, towards the smaller but bulky transportable instruments and finally to the current smallest Profile 3 instruments that have ...
David Smith, Patrik Spanel
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Ambient analysis of trace compounds in gaseous media by SIFT-MS
The Analyst, 2011The topic of ambient gas analysis has been rapidly developed in the last few years with the evolution of the exciting new techniques such as DESI, DART and EESI. The essential feature of all is that analysis of trace gases can be accomplished either in the gas phase or those released from surfaces, crucially avoiding sample collection or modification ...
David, Smith, Patrik, Spaněl
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Quantification by SIFT-MS of acetaldehyde released by lung cells in a 3D model
The Analyst, 2013Our previous studies have shown that both lung cancer cells and non-malignant lung cells release acetaldehyde in vitro. However, data from other laboratories have produced conflicting results. Furthermore, all these studies have been carried out in 2D models which are less physiological cell growth systems when compared to 3D models. Therefore, we have
Abigail V, Rutter +5 more
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SIFT-MS a novel tool for monitoring and evaluating a biofilter performance
Chemical Engineering Journal, 2016Abstract Biofilters are suitable to treat industrial emissions polluted with volatile organic compounds. This study investigates the selected ion flow tube mass spectrometer (SIFT-MS) as a new and fast analysis apparatus to determine the performance, the biokinetic parameters and the external porosity of a biofilter.
Diëgo Volckaert +3 more
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Selected ion flow tube mass spectrometry (SIFT-MS) is a chromatography-free, direct-analysis technique that is ideally suited to real-time, quantitative analysis of volatile compounds in air at trace concentrations. SIFT-MS utilises highly controlled, soft chemical ionisation – in the form of gas-phase ion–molecule reactions – coupled with mass ...
Vaughan S. Langford, Mark J. Perkins
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Vaughan S. Langford, Mark J. Perkins
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SIFT-MS: development of instrumentation and applications.
2007Data is presented for a range of experiments that have been performed using a selected ion flow tube (SIFT) instrument operated at room temperature (~ 298K) with carrier gas pressures typically in the range of 0.3 – 0.6 Torr. The majority of the experiments discussed are performed on a Voice100 instrument that has not been described in detail ...
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Applications of SIFT-MS to the Environment and Petroleum Exploration
2009In this project, “selected ion flow tube mass spectrometry” (SIFT-MS), a sensitive analytical technique, reveals potential for the development of applications in the environment and petroleum areas. Many prior applications have shown their potential for analyzing samples in widely disparate areas. Its fast analysis process and high sensitivity gives it
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Time-integrated thermal desorption for quantitative SIFT-MS analyses of atmospheric monoterpenes
Analytical and Bioanalytical Chemistry, 2019A new time-integrated thermal desorption technique has been developed that can be used with selected ion flow tube mass spectrometry, TI-TD/SIFT-MS, for off-line quantitative analyses of VOCs accumulated onto sorbents. Using a slow desorption temperature ramp, the absolute amounts of desorbed compounds can be quantified in real time by SIFT-MS and ...
Sovová, K. (Kristýna) +6 more
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Journal of Breath Research, 2011
The haloamines, including the chloramines (H(2)NCl, HNCl(2)) and bromamine (H(2)NBr), are diffusible gases that are likely to be produced during inflammation and so may be present as markers of lung inflammation on breath. Although haloamines are quite reactive, it is possible to measure these compounds in humid samples using SIFT-MS.
Malina K, Storer +4 more
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The haloamines, including the chloramines (H(2)NCl, HNCl(2)) and bromamine (H(2)NBr), are diffusible gases that are likely to be produced during inflammation and so may be present as markers of lung inflammation on breath. Although haloamines are quite reactive, it is possible to measure these compounds in humid samples using SIFT-MS.
Malina K, Storer +4 more
openaire +2 more sources