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電化學傳感器對溶液中標準濃度的互補dna進行定性和定量檢測,并在此基礎上,將dna傳感器用于臨床乙肝病毒血清的dna診斷。