Криминалистическое профилирование трупного разложения методом ГХхГХ-ВПМС определения ЛОС

  • Jean-Francois Focant Льежский университет
  • P. Stefanuto Льежский университет
  • C. Brasseur Льежский университет
  • J. Dekeirsschieter Льежский университет
  • E. Haubruge Льежский университет
  • E. Schotsmans Университет Брадфорда, г. Брадфорд, графство Западный Йоркшир
  • A. Wilson Университет Брадфорда, г. Брадфорд, графство Западный Йоркшир
  • S. Stadler Технологический институт университета Онтарио
  • S. Forbes Центр судебной криминалистики, Технологический университет, г. Сидней
Ключевые слова: криминалистика, ЛОС, трупное разложение, геотаофономия, ГХ×ГХ-ВПМС, профилирование

Аннотация

 

Всеобъемлющая двухмерная газовая хроматография с времяпролетной масс-спектрометрией (ГХ×ГХ-ВПМС) была использована для анализа сложных смесей летучих органических соединений (ЛОС), образующихся при процессах трупного разложения. Использование специфичных масс-спектрометрических подходов изучения различных сценариев разложения позволило легко дифференцировать почвы с мест захоронения и контрольные почвы. Высокая пиковая мощность системы, а также разработка конкретного подхода обработки данных позволило разделить и идентифицировать нескольких сотен специфичных аналитов. В сочетании с термодесорбцией (ТД), ГХ×ГХ-ВПМС является предпочтительным инструментом для профилирования трупных ЛОС.

Биографии авторов

Jean-Francois Focant, Льежский университет
Department of Chemistry
P. Stefanuto, Льежский университет
Department of Chemistry
C. Brasseur, Льежский университет
Department of Chemistry
J. Dekeirsschieter, Льежский университет
Department of functional and evolutionary Entomology
E. Haubruge, Льежский университет
Department of functional and evolutionary Entomology
E. Schotsmans, Университет Брадфорда, г. Брадфорд, графство Западный Йоркшир
School of Life Sciences
A. Wilson, Университет Брадфорда, г. Брадфорд, графство Западный Йоркшир
School of Life Sciences
S. Forbes, Центр судебной криминалистики, Технологический университет, г. Сидней
Centre for Forensic Science

Литература

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Cited by: 5

1. Perrault KA, Stefanuto PH, Stuart BH, et al (2014) Reducing variation in decomposition odour profiling using comprehensive two-dimensional gas chromatography. Journal of Separation Science 38:73-80. CrossRef

2. Stefanuto PH, Perrault KA, Lloyd RM, et al (2015) Exploring new dimensions in cadaveric decomposition odour analysis. Analytical Methods 7:2287-2294. CrossRef

3. Forbes SL, Perrault KA, Stefanuto PH (2014) Comparison of the decomposition VOC profile during winter and summer in a moist, mid-latitude (Cfb) climate. Plos One. CrossRef

4. Perrault KA, Rai T, Stuart BH, et al (2015) Seasonal comparison of carrion volatiles in decomposition soil using comprehensive two-dimensional gas chromatography – time of flight mass spectrometry. Analytical Methods 7:690-698. CrossRef

5. Perrault KA, Nizio KD, Forbes SL (2015) A comparison of one-dimensional and comprehensive two-dimensional gas chromatography for decomposition odour profiling using inter-year replicate field trials. Chromatographia 78:1057-1070. CrossRef

Опубликован
2014-09-14
Как цитировать
Focant, J.-F., Stefanuto, P., Brasseur, C., Dekeirsschieter, J., Haubruge, E., Schotsmans, E., Wilson, A., Stadler, S., & Forbes, S. (2014). Криминалистическое профилирование трупного разложения методом ГХхГХ-ВПМС определения ЛОС. Вестник КазНУ. Серия химическая, 72(4), 177-186. https://doi.org/https://doi.org/10.15328/chemb_2013_4177-186
Раздел
Аналитическая химия