Aim: to study the concentration of Fe and Mn in the hair of women living in the cities of Khanty-Mansiysk Autonomous Region (KHMAO) with different treatment of drinking water. Methods. The ultimate composition of hair of 106 women (average age 38,9+11,3 g) - residents of the Northern region, not employed in the manufacturing sector was studied. 50 of them lived in the cities of Nefteyugansk and Nyagan and 56 - in the cities of Surgut and Khanty-Mansiysk. In the cities of Surgut and Khanty-Mansiysk underground water undergoes non chemical treatment, iron removal by the method of deep aeration and decontamination on UV irradiation installations. In the cities of Nefteyugansk and Nyagan water from artesian wells is decontaminated only by baclor. Results. The women living in the cities of Nefteyugansk and Nyagan had significantly higher (p < 0,001) and higher than reference values of Fe (82,3 + 11,4 mkg/g - the norm 7-40) and Mn (11,3 + 1,9 mkg/g - the norm 0,15-2,0) concentrations in the hair compared to women living in cities with high-quality purification of drinking water: Fe (23,6 + 2,2 mkg/g) и Mn (3,1 + 0,2 mkg/g). Iron, getting in to the organism with other pollutants (dietary Fe excess is not negative) also shows the properties of the immunosuppressant. Manganese is considered to be vital and at the same time a toxic element with mutagenic activity and tendency for accumulation. We can assume the best resistance to the adverse effects of oxidative stress in women-residents of KHMAO cities with optimal treatment of drinking water. Conclusions: To correct the microelement status of the Northern region population it is necessary to carry out more research of the environmental objects (in particular water) on the content of heavy metals, pay special attention to quality control of drinking water, and to use the method of microelement status determination of the hair chemical composition as an additional method of assessment of the internal body environment.
The aim of the study was to assess elemental composition of hair of residents of the Khanty-Mansiysk Autonomous Okrug (Khanty-Mansi Autonomous Okrug) living in cities with different quality of drinking water. Methods. The elemental composition of hair was studied in 84 residents of Surgut and Khanty-Mansiysk cities with high-quality drinking water water, and in 71 residents of Nefteyugansk and Nyagan - cities with low-quality drinking water. The concentration of 25 chemical elements in the hair including iron (Fe), manganese (Mn), calcium (Ca), magnesium (Mg), copper (Cu), zinc (Zn) and selenium (Se) was assessed using atomic emission spectroscopy (AES-ICP) and mass spectrometry (MS-ICP) with inductively coupled argon plasma on Optima 2000 DV and ELAN 9000 instruments at the INPO "Center for Biotic Medicine" (Moscow). Data were analyzed using MS Excel and STATISTICA 8.0. Results. Significantly higher concentrations of Fe and Mn (p < 0,001) and lower concentrations of Se (p = 0,012) were revealed in the hair of residents of cities with low-quality drinking water. The concentration indices of Ca, Mg, and Cu in all cities were similar. The prevalence of Zn and Se deficiency in cities with low-quality drinking water was 1.5 and twice as high compared to areas with high quality drinking water. Conclusions. Residents of cities with low quality drinking water have less favourable concentrations of studied elements in hair. This may be associated with lower antioxidant protection which in turn may be associated with greater prevalence of chronic diseases in these cities.
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