Medical applications of proton transfer reaction-mass spectrometry: ambient air monitoring and breath analysis

Multidimensional statistical analysis of PTR-MS breath samples: A test study on irradiation detection

“…Proton Transfer Reaction-Mass Spectrometry (PTR-MS) [4][5][6] is a technology which has become a well-established method to measure a number of VOCs in human breath gas [3,[7][8][9][10][11][12][13][14][15]. It allows highly sensitive, rapid and on-line measurements and is therefore well suited for high-throughput applications.…”

Analysis of expired air of fasting male monks at Mount Athos

“…VOCs in exhaled air originate from biochemical processes within the human body, nutrition and the environment. When blood borne, their route depends on Henry's constant; molecular weight and hydrophobicity [4]. Currently, a common use of breath analysis is that of alcohol determination.…”

Preliminary investigation of using volatile organic compounds from human expired air, blood and urine for locating entrapped people in earthquakes

“…PTR-MS can provide real time analysis and highly sensitive measurements for specific target VOCs although their identification is based on molecular mass and thus it is possible interferences from various molecular species to appear. Although it lacks chemical identification possibility, it requires no sample separation and it can be used for fast screening purposes based on molecular masses [13][14][15]. MESI is using a membrane that is selective for non-polar and volatile substances.…”