The Regional Features of the Microelement Composition of Biosubstrates in Residents of the North-West Region of Russia

Background: Extensive measures to reduce lead concentrations in the biosphere are implemented in many countries, therefore, the world community predicts a decrease in the quantitative content of Pb in the environment. The concentration of Pb in human hair is considered as an indicator of environmental pollution, therefore, systematized information on this indicator in the subjects of the Russian Federation (RF) is necessary to assess the effectiveness of environmental measures. Materials and methods. This is a systematic review following PRISMA guidelines. We performed a systematic search and qualitative synthesis of scientific literature on hair concentrations of lead across Russia between 2011 and 2021. PubMed and e-library were the main sources of scientific information in English and Russian, respectively. Initial search returned 1748 matches. Thirty-seven papers remained for qualitative synthesis after screening and eligibility analysis. Results. During the study period, the results of studies on 27 subjects of the Russian Federation were published, which is one third of all subjects of the federation. No heterogeneity was observed in sample preparation while methods of laboratory analysis varied between the settings and included inductively coupled plasma mass spectrometry, atomic absorption spectrometry and inversion voltammetry. The sample sizes ranged from 5 to 5908 individuals. The average lead concentrations varied between 0,01 and 6,54 mg / kg. The greatest concentrations of Cd were reported in the Orenburg (6,54 mg / kg) and Chita Regions (4,35). Conclusion. Two-thirds of all subjects of the Russian Federation for the period 2011-2021 are not covered by the study, so there are no data on the concentration of lead in the hair of the population of these regions. Further data collection should be performed using representative and sufficient sample samples while presentation of the results should contain detailed information on methods of data collection and analysis to ensure reproducibility and comparability of the findings.

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Elemental status of the adult able-bodied population of the Republic of Buryatia

Тармаева

Скальный

Bogdanova

et al. 2019

Myditsina truda I promyshlennaya ekologiy

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Introduction.The study of the elemental status of the population of individual regions of the Russian Federation with the purpose of scientific development and implementation of measures for elimination of revealed elementosis is a promising direction for preventive medicine.The aim of the studyis to study the elemental status of the adult able-bodied population of the Republic of Buryatia, which was part of the Siberian Federal district (SFD) until 2018.Materials and methods.The analysis was performed by inductively coupled plasma mass spectrometry (ICP-MS) on the basis of the accredited laboratory of “Center of biotic medicine”. (Moscow; ISO 9001: 2008 certificate 54Q10077 from 21.05.2010). The content of chemical elements in the hair of 130 adults (102 women and 28 men) aged 25–50 years was studied. This indicator serves as an indicator in assessing the impact of the environment on the human body. Methods of nonparametric statistics were used for mathematical processing of the data.Results.For women living in the Republic of Buryatia, the maximum values of Zn, increased levels of Cu, Li, Si were revealed; for men — the maximum values of Mg, Cr, Si, increased levels of P, Li, Se, V, Pb. Minimum values were found for P, Fe, V. Elemental status indicates a significant degree of prevalence of essential trace element deficiencies and electrolyte imbalance. The obtained data can be used as reference values for the content of chemical elements in the hair of adults living in the Republic of Buryatia.Conclusions:Elemental analysis of the population of the Republic of Buryatia indicates imbalances among the adult working-age population.

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The Regional Features of the Microelement Composition of Biosubstrates in Residents of the North-West Region of Russia

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Comparative Analysis of Morbidity and Elemental Composition of Hair Among Children Living on Different Territories of the Kola North

Comparative Analysis of Morbidity and Elemental Composition of Hair Among Children Living on Different Territories of the Kola North

Lead concentration in human hair in Russia: a systematic review

Elemental status of the adult able-bodied population of the Republic of Buryatia

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