期刊
ANALYST
卷 136, 期 20, 页码 4211-4216出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1an15535k
关键词
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资金
- EU-ERDF
- Agence Nationale de la Recherche (JCJC) [0149]
- Centre National de la Recherche Scientifique (CNRS)
The paper reports on a novel localized surface plasmon resonance (LSPR) substrate architecture for the immobilization and detection of histidine-tagged peptides. The LSPR interface consists of an ITO (indium tin oxide) substrate coated with gold nanostructures. The latter are obtained by thermal deposition of a thin (2 nm thick) gold film followed by post-annealing at 500 degrees C. The LSPR interface was coated with poly[3-(pyrrolyl) carboxylic acid] thin films using electrochemical means. The ability of the LSPR interfaces coated with poly[3-(pyrrolyl) carboxylic acid] to chelate copper ions was investigated. Once loaded with metal ions, the modified LSPR interface was able to bind specifically to histidine-tagged peptides. The binding process was followed using LSPR.
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