The study of the features of the determination and nature of the localization of 2-amino-4.6-dinitrophenol in the body of warm-blooded animals in case of lethal poisoning

Shormanov V.K.

Kursk State Medical University

ORCID: 0000-0001-8872-0691

Pogosyan N.G.

Kursk State Medical University

ORCID: 0000-0003-0276-1711

Omelchenko V.A.

Experimental Criminalistic Center of Krasnodar Region

ORCID: 0000-0002-0504-3478

The study of the features of the determination and nature of the localization of 2-amino-4.6-dinitrophenol in the body of warm-blooded animals in case of lethal poisoning

Authors:

Shormanov V.K., Pogosyan N.G., Omelchenko V.A.

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Journal: Forensic Medical Expertise. 2024;67(3): 39‑44

DOI: 10.17116/sudmed20246703139

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Shormanov VK, Pogosyan NG, Omelchenko VA. The study of the features of the determination and nature of the localization of 2-amino-4.6-dinitrophenol in the body of warm-blooded animals in case of lethal poisoning. Forensic Medical Expertise. 2024;67(3):39‑44. (In Russ.)
https://doi.org/10.17116/sudmed20246703139

Подписка 2025-2 (Forensic Medical Expertise)

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The aim of the work is to study the nature of the distribution of 2-A-4.6-DNP in the organisms of warm-blooded animals with intragastric administration of a toxicant. The study was carried out using the methods of TLC, UV-Visible spectroscopy, and GC-MS using derivatives of 2-A-4.6-DNP. Male Wistar rats at the age of 4 months were considered as a model of the body of a warm-blooded animal. An oily suspension of 2-A-4.6-DNF was administered intragastrically in an amount of three times the LD₅₀. Extraction of the target substance from the biomaterial was carried out by double infusion (30 minutes each) with a mixture of acetone-acetonitrile (1:1), the amount of the mixture exceeded the weight of the biomaterial by 2 times. Extractions were purified by TLC method using «Sorbfil» plates and acetone-chloroform (7: 3) mobile phase. Preliminary identification was carried out at the same time using a standard substance. Confirmatory identification was carried out by the absorption of dimethylformamide eluates in «SF-2000», as well as by the retention time and mass spectra of the major compound of the corresponding chromatographic peaks after GC-MS analysis. The quantitative content was determined spectrophotometrically, in DMF, by optical density at the analytical wavelength (490 nm). 2-Amino-4.6-dinitrophenol was found unchanged in the blood and in all the studied hollow and parenchymal organs of poisoned rats. The largest amount of 2-amino-4.6-dinitrophenol (mg/100 g) was found in the stomach walls (199.39±25.43) and stomach contents (143.14±22.63), a significant amount of the substance was found in the heart (33.49±3.66), skeletal muscles (30.70±2.64), as well as in the spleen (24.30±1.96).

Keywords:

2-amino-4.6-dinitrophenol

distribution in the body

chemical-toxicological study

Authors:

Shormanov V.K.

Kursk State Medical University

ORCID: 0000-0001-8872-0691

Pogosyan N.G.

Kursk State Medical University

ORCID: 0000-0003-0276-1711

Omelchenko V.A.

Experimental Criminalistic Center of Krasnodar Region

ORCID: 0000-0002-0504-3478

Received:

25.04.2023

Accepted:

29.05.2023

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