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Scientific Articles - PTR-MS Bibliography

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Found 3 results
Title [ Year(Asc)]
Filters: Author is Vogel, W  [Clear All Filters]
[Lindinger1997] Lindinger, W., J. Taucher, A. Jordan, A. Hansel, and W. Vogel, "Endogenous production of methanol after the consumption of fruit", Alcoholism: Clinical and Experimental Research, vol. 21, no. 5: Wiley Online Library, pp. 939–943, 1997.
After the consumption of fruit, the concentration of methanol in the human body increases by as much as an order of magnitude. This is due to the degradation of natural pectin (which is esterified with methyl alcohol) in the human colon. In vivo tests performed by means of proton-transfer-reaction mass spectrometry show that consumed pectin in either a pure form (10 to 15 g) or a natural form (in 1 kg of apples) induces a significant increase of methanol in the breath (and by inference in the blood) of humans. The amount generated from pectin (0.4 to 1.4 g) is approximately equivalent to the total daily endogenous production (measured to be 0.3 to 0.6 g/day) or that obtained from 0.3 liters of 80-proof brandy (calculated to be 0.5 g). This dietary pectin may contribute to the development of nonalcoholic cirrhosis of the liver.
[Warneke1996] Warneke, C., J. Kuczynski, A. Hansel, A. Jordan, W. Vogel, and W. Lindinger, "Proton transfer reaction mass spectrometry (PTR-MS): propanol in human breath", International journal of mass spectrometry and ion processes, vol. 154, no. 1: Elsevier, pp. 61–70, 1996.
Proton transfer reaction mass spectrometry (PTR-MS) based on reactions of H3O+ ions has been used to measure the concentrations of propanol in 46 healthy persons, yielding an average concentration of about 150 ppb. That the measurements were not obscured by other components of the same mass as propanol was proven by comparison of PTR-MS data with separate selected-ion flow-drift tube (SIFDT) investigations of the energy dependences of reactions of H3O+ and H3O+·H2O with isopropanol, n-propanol, acetic acid and methyl formate.
[Taucher1995] Taucher, J., A. Lagg, A. Hansel, W. Vogel, and W. Lindinger, "Methanol in human breath", Alcoholism: Clinical and Experimental Research, vol. 19, no. 5: Wiley Online Library, pp. 1147–1150, 1995.
Using proton transfer reaction-mass spectrometry for trace gas analysis of the human breath, the concentrations of methanol and ethanol have been measured for various test persons consuming alcoholic beverages and various amounts of fruits, respectively. The methanol concentrations increased from a natural (physiological) level of ∼ 0.4 ppm up to ∼ 2 ppm a few hours after eating about 1/2 kg of fruits, and about the same concentration was reached after drinking of 100 ml brandy containing 24% volume of ethanol and 0.19% volume of methanol.

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Selected PTR-MS related Reviews

F. Biasioli, C. Yeretzian, F. Gasperi, T. D. Märk: PTR-MS monitoring of VOCs and BVOCs in food science and technology, Trends in Analytical Chemistry 30 (7) (2011).

J. de Gouw, C. Warneke, T. Karl, G. Eerdekens, C. van der Veen, R. Fall: Measurement of Volatile Organic Compounds in the Earth's Atmosphere using Proton-Transfer-Reaction Mass Spectrometry. Mass Spectrometry Reviews, 26 (2007), 223-257.

W. Lindinger, A. Hansel, A. Jordan: Proton-transfer-reaction mass spectrometry (PTR–MS): on-line monitoring of volatile organic compounds at pptv levels, Chem. Soc. Rev. 27 (1998), 347-375.


Lists with PTR-MS relevant publications of the University of Innsbruck can be found here: Atmospheric and indoor air chemistry, IMR, Environmental Physics and Nano-Bio-Physics


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