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Mercurio nei capelli delle persone nel nord dell'India
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ISBN10: 6209555128
ISBN13: 9786209555121
Publisher: Edizioni Sapienza
Published: Jan 19 2026
Pages: 68
Weight: 0.23
Height: 0.16 Width: 6.00 Depth: 9.00
Language: Italian
ISBN13: 9786209555121
Publisher: Edizioni Sapienza
Published: Jan 19 2026
Pages: 68
Weight: 0.23
Height: 0.16 Width: 6.00 Depth: 9.00
Language: Italian
I capelli umani sono spesso usati come bioindicatori dell'esposizione al mercurio. Il mercurio (Hg) è stato per secoli un metallo utile in un sacco di applicazioni. Purtroppo, questa utilità è controbilanciata dal suo impatto neurotossicologico sulla salute. L'Agenzia per la protezione dell'ambiente degli Stati Uniti raccomanda di mantenere il livello di Hg nei capelli al di sotto di 1,0 g/g. Per questo, è stata fatta un'indagine per capire i livelli di Hg nei capelli delle persone che vivono nella fascia terai dell'India settentrionale. Sono stati presi campioni di capelli da 111 persone e messi in sacchetti di plastica identificati, chiusi con graffette per evitare che i capelli si spostassero. I campioni sono stati analizzati mediante combustione, amalgamazione con oro e spettrometria di assorbimento atomico (C-GA-AAS). Il livello medio di Hg nei capelli era di 0,28 g/g per l'intero gruppo, con valori compresi tra 0,0012 e 1,9091 g/g. I livelli medi di Hg nei capelli erano di 0,16 g/g per gli uomini e 0,12 g/g per le donne, il che significa che gli uomini avevano livelli di Hg nei capelli più alti rispetto alle donne. Il 97% del campione totale aveva concentrazioni di Hg nei capelli inferiori a 1,0 g/g, cioè entro la dose sicura, mentre solo il 3% aveva concentrazioni di Hg superiori a 1,0 g/g, superando quindi la dose sicura. L'Hg dovrebbe essere monitorato costantemente per controllare i livelli di Hg nei capelli e la salute.
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