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EnglishThree different methods of using protein-based capacitive biosensors for the detection of heavy-metal ions are presented. The metal-binding proteins SmtA, S100A12, MerP and four modified MerPs were immobilised as the bio-recognition element on self-assembled monolayer-modified gold electrodes. Capacitance was measured using potential square step or electrical impedance spectroscopy. The protein-metal interaction generated changes in capacitance mainly due to a protein conformational change.
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| Titolo: | Applications of protein-based capacitive biosensors for the Detection of Heavy-Metal Ions | |
| Autori: | ||
| Data di pubblicazione: | 2006 | |
| Abstract: | Three different methods of using protein-based capacitive biosensors for the detection of heavy-metal ions are presented. The metal-binding proteins SmtA, S100A12, MerP and four modified MerPs were immobilised as the bio-recognition element on self-assembled monolayer-modified gold electrodes. Capacitance was measured using potential square step or electrical impedance spectroscopy. The protein-metal interaction generated changes in capacitance mainly due to a protein conformational change. | |
| Handle: | http://hdl.handle.net/11582/234222 | |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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