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New Diagnostic Method Based on Hair Test Developed in Siberia
April 21, 2017 14:54

Scientists from the Tomsk State University have developed a new technique for chemical hair test, which provides information about the human health condition and predisposition to particular diseases, the university press service reports.
"This method of spectral hair analysis makes it possible to establish the concentration of vital microelements in the human body. Their imbalance leads to the development of various diseases, with lots of them staying hidden for long. The microelement analysis helps to detect serious diseases, and if circumstances allow to prevent their development in patients from the risk group. The method enables experts to measure the concentration of 30 chemical elements at once", - the researcher Vladimir Otmahov, one of the authors of the new method explains.
The new technology is based on the method of arc atomic emission spectrometry - if the hair used to be analyzed with the help of expensive reagents previously, now chemists study the ash that remains after burning a hair sample. "Normally, the study sample is initially transferred to a solution and then its composition is studied using expensive reagents. The new method consists in burning a biosubstrate in a special chamber at the temperature of + 400-450 degrees Celsius and analyzing the ash residue of hair," - the message reads.
The method has already shown its efficacy: the scientists performed hair analysis of patients who had suffered ischemic stroke and revealed changes in elemental composition, in particular, increased concentration of conditionally toxic elements - cadmium and lead and decreased concentration of zinc.
The new technology devised by Tomsk chemists has been certified and included into the Federal Information Fund for Measurement Uniformity.


Author: Vera Ivanova



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