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Cu ajutorul nanoparticulelor de aur si al unor particule
magnetice, poate fi detectata prezenta in sange a unor antigeni
specifici (PSA) care apar in cazul cancerului de prostata, chiar
cand acestia sunt la niveluri foarte scazute – mult mai mici decat
cele care pot fi depistate cu ajutorul analizelor de sange
utilizate in mod curent.
Acesta metoda este de 300 de ori mai sensibila decat cea
folosita in prezent – dozarea directa a PSA in sange.
In viitor, tehnologia ar putea fi adaptata si pentru a determina
prezenta altor numeroase boli, de la infectia cu HIV la „boala
vacii nebune”.
Sursa: Discovery
News
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