The prepared dna electrochemical sensor was used to determine the nature and quality of complementary dna of standard concentration . then the dna sensor was used to diagnose the clinical blood sample containing hepatitis b virus 利用制成的dna電化學(xué)傳感器對溶液中標(biāo)準(zhǔn)濃度的互補dna進(jìn)行定性和定量檢測,并在此基礎(chǔ)上,將dna傳感器用于臨床乙肝病毒血清的dna診斷。