Sexta-feira, Agosto 11, 2006

Laboratório de análise em um chip. O futuro

Este é o que a Dow Corning está criando via uma aliança com a Genencor International. As duas organizações estão desenvolvendo um poderoso biosensor portátil que será de fácil uso e flexível o bastante para realizar múltiplos testes para diagnósticos.
O conjunto consiste de um leitor compacto portátil e um pequeno biochip que pode ser introduzido no dispositivo.
Uma única gota de sangue ou de água (ou, eventualmente, ar convertido para líquido), é introduzido em uma abertura no chip, onde entra em contato com uma pastilha de silício contendo uma série de minúsculos espaços para os testes. As moléculas da amostra de sangue ou de ar interagem com as moléculas do material receptor de teste, tal como se fosse no corpo humano. A reação molecular converte o fluxo de eletricidade no espaço de teste e o leitor transforma a variação na corrente, em dados - o que está no seu sangue, ou no ar e também a quantidade ali presente.

 
 

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