References

sudexpert

Теория и практика судебной экспертизы

Theory and Practice of Forensic Science

1819-27852587-7275

The Russian Federal Centre of Forensic Science

10.30764/1819-2785-2024-4-40-53

sudexpert-852

Research Article

МЕТОДЫ И СРЕДСТВА

METHODS AND TOOLS

Судебно-экспертное исследование марихуаны: подходы к установлению принадлежности к ранее разделенным растительным массам

Forensic Analysis of Marijuana: Approaches to Establishing Belonging to Previously Separated Plant Mass

Хох

А. Н.

Khokh

A. N.

Хох Анна Николаевна – заведующий лабораторией исследования материалов, веществ и изделий научного отдела технических и специальных исследований

Минск 220114

Khokh Anna Nikolaevna – Head of the Laboratoryof Materials, Substances and Products Research ofthe Scientific Department of Technical and SpecialStudies of the Scientific and Practical Center ofthe State Forensic Examination Committee of theRepublic of Belarus

Minsk 220114

1ann1hoh@gmail.com

Восканян

П. С.

Voskanyan

P. S.

Восканян Патвакан Степанович – к. хим. н.,заместитель директора по научной работе

Ереван 0004

Voskanyan Patvakan Stepanovich – Candidateof Chemistry, Deputy Director for Scientific Work

Yerevan 0004

p.voskanyan@nbe.am

Петросян

А. А.

Petrosyan

A. A.

Петросян Анна Араиковна – начальник отдела почвоведческих и биологических экспертиз

Ереван 0004

Petrosyan Anna Araikovna – Head of the Soil andBiological Expertises Department of the “NationalBureau of Expertises”

Yerevan 0004

annapetrosyan99@gmail.com

Государственное учреждение «Научно-практический центр Государственного комитета судебных экспертиз Республики Беларусь»БеларусьState Institution Scientific and Practical Center of the State Forensic Examination Committee of the Republic of BelarusBelarus

Государственная некоммерческая организация «Национальное бюро экспертиз» Национальной академии наук Республики АрменияАрмения“National Bureau of Expertises” State non-commercial organization (SNCO) of the National Academy of Sciences of the Republic of ArmeniaArmenia

2024

02012025

1944053

2025

Хох А.Н., Восканян П.С., Петросян А.А.

Khokh A.N., Voskanyan P.S., Petrosyan A.A.

This work is licensed under a Creative Commons Attribution 4.0 License.

https://www.tipse.ru/jour/article/view/852

В статье представлены результаты исследований высушенной и измельченной марихуаны с помощью спектроскопии в ближней инфракрасной области и спорово-пыльцевого анализа для решения экспертной задачи, связанной с установлением принадлежности к ранее разделенным растительным массам. Проведена запись БИК-спектров экспертных образцов. Показана возможность интерпретации спектральных данных с применением дискриминантного анализа проекций на латентные структуры. Определены таксономический состав 8 435 пыльцевых зерен и спор, а также количественное содержание каждого таксона.

По результатам проведенного исследования сделан вывод, что применение комплекса независимых и взаимодополняющих методов позволяет получить необходимое и достаточное количество совпадающих признаков, которые могут быть признаны неповторимыми (уникальными), для проведения идентификации. Предложенная схема исследования может быть применена и для других наркотиков растительного происхождения.

The article presents the results of the studies of dried and crushed marijuana using nearinfrared spectroscopy and spore-pollen analysis for solving an expert task of establishing the affiliation to previously separated plant masses. The recording of near-infrared spectra of expert samples has been carried out. The possibility of interpreting spectral data using discriminant analysis of projections on latent structures is shown. The taxonomic composition of 8 435 pollen grains and spores has been determined, as well as the quantitative content of each taxon.

According to the results of the conducted research, it was concluded that the application of a complex of independent and complementary methods allows to obtain the necessary and sufficient number of matching signs that can be recognized as unique for identification. The proposed research scheme can be also applied to other narcotics of plant origin.

судебная экспертизамарихуанаразделенная растительная массаидентификацияБИК-спектроскопияклассификационная модельSIMCAPLS-DAспорово-пыльцевой анализтаксономический состав

forensic examinationmarijuanaseparated plant massidentificationnear-infrared spectroscopyclassification modelSIMCAPLS-DAspore-pollen analysistaxonomic composition

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