DIRECT OPTICAL IMMUNOSENSING (SENSITIVITY AND SELECTIVITY)

被引:62
作者
HUBER, W [1 ]
BARNER, R [1 ]
FATTINGER, C [1 ]
HUBSCHER, J [1 ]
KOLLER, H [1 ]
MULLER, F [1 ]
SCHLATTER, D [1 ]
LUKOSZ, W [1 ]
机构
[1] SWISS FED INST TECHNOL,OPT LAB,CH-8093 ZURICH,SWITZERLAND
关键词
D O I
10.1016/0925-4005(92)80042-V
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
This paper compares theoretically predicted detection limits of three optical sensing devices (surface plasmon resonance, input grating coupler, difference interferometer) with the experimentally found detection limits for anti h-IgG antibodies. The theoretically predicted sensitivities of these sensors are confirmed satisfactorily by experiments. The influence of high concentrations of non-analyte proteins on direct immunosensing with such optical transducers is investigated in the detection of HBsAg (hepatitis B surface antigen) using undiluted human serum with a sensitized surface plasmon resonance sensor; no serious influence was found.
引用
收藏
页码:122 / 126
页数:5
相关论文
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