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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Representation of selected elements in human hair
 Jochimová, Eva ; Janoušková, Eva (referee) ; Zemanová, Jana (advisor)
Hair is an excellent matrix for monitoring trace elements and minerals in the body. To long-term changes in concentration of elements in the body are reflected in their value in her hair, so the assessment of the organism from the mineral analysis of hair is a very suitable method. This method is widely used in toxicological testing and forensics. This work deals with the analysis of Mg, K, Fe, Zn, Mn, Se, As, Cd and Pb in 100 samples by ICP-MS. It is a male hair samples with the age range 19 – 74 years. Analysis of hair revealed that concentrations of individual elements are moving in a narrow range of values. Values of older age category are in some case significantly deflective.
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Active ingredients in sun cosmetics
 Jochimová, Eva ; Vránová, Dana (referee) ; Zemanová, Jana (advisor)
Active substances in sun cosmetics mean quantity and properties of UV-filters that absorb rays in UVA or in UVB areas. In the United States of America there are they considered as pharmaceuticals, however in European Union are they taken behind cosmetics. Their usage is very important, because the sun radiation can be very dangerous. Hazard of negative influences increases largely by downgrade of atmosphere and above all by enlargement of ozone hole. UVB and UVA rays penetrate into the skin where they can be a cause of different disorders. They evocate simply as far as heavily curable photodermatosis, skin ageing and cutaneous carcinoma in worse case.
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