Analysis of the hair toxic elements in various ethnic groups of the North-East of Russia

Forensic analysis by solid sampling electrothermal vaporization coupled to inductively coupled plasma optical emission spectrometry

“…Hair is a small but stable substance, serving as a permanent record of an individual's diet 76 and varying with factors such as ethnicity, gender, environment, and working conditions. [77][78][79][80] Unlike several other biological specimens, hair is a metabolic end product, 81 and so it can be retroactively studied to discern long-term patterns of nutrition or environmental exposure. Hair is also largely affected by the secretions of sweat glands in the body, which are: eccrine, apocrine, sebaceous, and epidermis.…”