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Scientific Articles - PTR-MS Bibliography

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Filters: Author is Simin Maleknia  [Clear All Filters]
[1916] Brown, G., M. Atzeni, S. Maleknia, and D. Mayer, "Addressing odour abatement and assessment knowledge gaps using PTR–ToFMS", AgriFutures Australia, vol. 18-078, 2018.
<p>Effective odour management underpins the sustainable growth and expansion of the Australian chicken meat industry, yet, odour abatement strategies are largely &lsquo;black boxes&rsquo; in terms of their action and efficacy. This is because our knowledge of the complex biochemical and physical processes driving odour emissions is rudimentary. While an improved understanding of these processes is necessary to develop better odour abatement strategies in the future, the critical requirement is the ability able to assess abatement strategies objectively. To that end, AgriFutures Australia is heavily invested in odour research to better understand and objectively assess poultry odour emissions, including the evaluation of alternative odour measurement techniques that do not rely on the human nose. This latest research builds on previous mass spectrometry findings, and demonstrates that state-of-the-art, high-resolution, mass spectrometry using a proton transfer reaction time-of-flight mass spectrometer (PTR&ndash;ToFMS), complemented by other odour assessment methods, provides significant benefits to industry-funded odour research projects. PTR&ndash;ToFMS analysis enabled the detection of a wide range of poultry production-related odorants at the sheds (source) and downwind. Several key compounds that likely implicated in odour nuisance (low detection thresholds; unpleasant odour characteristics) were detected in the samples. PTR&ndash; ToFMS also enabled detection of odorant differences in a variety of litter conditions. Additionally, the project demonstrated that PTR&ndash;ToFMS data can be used to develop a useful odour prediction model that may reduce reliance on human-based evaluations (e.g. olfactometry) in the future. Odour abatement strategies can be critically evaluated in terms of odour and odorant reductions at-shed and downwind, using odour prediction modelling and PTR&ndash;ToFMS data, and cross-checked by olfactometry. Effectively reducing odour nuisance will likely require management of the key odorants that can be detected by receptors. Future research should focus on identifying and suppressing these key odorants. This project was funded from industry revenue, which was matched by funds provided by the Australian Government. This report is an addition to AgriFutures Australia&rsquo;s diverse range of over 2000 research publications and it forms part of our Chicken Meat R&amp;D program, which aims to stimulate and promote RD&amp;E that will deliver a productive and sustainable Australian chicken meat industry that provides quality wholesome food to the nation.</p>

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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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