The aim of research is to map the selenium, manganese, and chromium content in the hair of older adults of Aktobe and West Kazakhstan regions of Western Kazakhstan Using Geographic Information System (GIS).
The present study involved 520 older adults aged 60 and over, permanently residing in Aktobe (n=225) and West Kazakhstan (n=295) regions of the Republic of Kazakhstan. Selenium, manganese, and chromium content in hair samples was estimated by inductively coupled plasma mass spectrometry. The map was generated using the cross-platform geographic information system QGIS (QGIS 3.18). Color intensity was determined by the concentration of selenium, manganese, and chromium content in hair. The median (q25-q75) concentrations of trace elements in the hair samples of residents from the Aktobe region were 0.492 (0.270–0.942) µg g⁻¹ for Mn, 0.427 (0.360–0.481) µg g⁻¹ for Se, and 0.102 (0.053–0.186) µg g⁻¹ for Cr. The median (q25-q75) concentrations of Mn, Se, and Cr in the West Kazakhstan region were 1.282 (0.467–2.561) µg g⁻¹, 0.423 (0.329–0.497) µg g⁻¹, and 0.053 (0.030–0.119) µg g⁻¹, respectively.
Elderly individuals in Aktobe region have lower manganese, and higher chromium concentration in hair than in West Kazakhstan region. These differences are visually demonstrated in the map of content in the hair of residents. The use of GIS technologies allows monitoring of elemental status of older adults in the studied region.

Authors:
Yeskendir Umarov, West Kazakhstan Marat Ospanov Medical University, Kazakhstan
Gulnara Batyrova, West Kazakhstan Marat Ospanov Medical University, Kazakhstan
Gulmira Umarova, West Kazakhstan Marat Ospanov Medical University, Kazakhstan

About the Presenter(s)
Dr. Gulnara Batyrova, PhD is currently Associate Professor, Head of the Department of Clinical Laboratory Diagnostics at the West Kazakhstan Marat Ospanov Medical University in Aktobe, Republic of Kazakhstan.

Gulmira Umarova, PhD, Head of the Department of Evidence-Based Medicine and Scientific Management at Marat Ospanov West Kazakhstan Medical University

Connect on ResearchGate
https://www.researchgate.net/profile/Gulnara-Batyrova/publications?sorting=recentlyAdded&editMode=1

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