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Kosin Teeparuksapun Proespichaya Kanatharana Warakorn Limbut Chongdee Thammakhet Punnee Asawatreratanakul Bo Mattiasson Booncharoen Wongkittisuksa Chusak Limsakul Panote Thavarungkul 《Electroanalysis》2009,21(9):1066-1074
Disposable electrodes were fabricated by coating chromium (5 nm) and gold (200 nm) on glass strips (5.0 mm×25.4 mm) and used in a label‐free immunosensor. Human serum albumin (HSA) and its antigen (anti‐HSA) were used as a model system. Electropolymerization of o‐phenylenediamine was used for the immobilization of anti‐HSA by covalent binding. A linear relationship was obtained in the range from 1.0×10?14 to 1.0×10?9 M with a limit of detection of 8.0×10?15 M. Each modified electrode can be reused up to 30 times. The developed system was applied for human serum samples and compared to Albumin BCG method. 相似文献
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