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EnglishImmunoanalytical techniques have found widespread use due to the characteristics of specificity and wide applicability for many analytes, from large polymer antigens, to simple haptens, and even single atoms. Electrochemical sensors offer benefits of technical simplicity, speed and convenience via direct transduction to electronic equipment. Together, these two systems offer the possibility of a convenient, ubiquitous assay technique with high selectivity. However, they are still not widely used, mainly due to the complexity of the associated immunoassay methodologies. A separation-free immunoanalytical technique is described here, which has allowed for the analysis of atrazine in real time and in both quasi-equilibrium and stirred batch configurations. It illustrated that determinations as low as 0.13 muM (28 ppb) could be made using equilibrium incubation with an analytical range of 0.1-10 muM. Measurements could be made between 1 and 10 mM within several minutes using a real-time, stirred batch method. This system offers the potential for fast, simple, cost-effective biosensors for the analysis of many substances of environmental, biomedical and pharmaceutical concern. (C) 2001 Elsevier Science B.V. All rights reserved.
Killard, A.J., Micheli, L., Grennan, K., Franek, M., Kolar, V., Moscone, D., et al. (2001). Amperometric separation-free immunosensor for real-time environmental monitoring. In Analytica Chimica Acta (pp.173-180). AMSTERDAM : ELSEVIER SCIENCE BV.
| Autori: | |
| Autori: | Killard, AJ; Micheli, L; Grennan, K; Franek, M; Kolar, V; Moscone, D; Palchetti, I; Smyth, MR |
| Titolo: | Amperometric separation-free immunosensor for real-time environmental monitoring |
| Nome del convegno: | 4th Workshop ib Biosensors ans Biological Techniques in Environmental Analysis |
| Luogo del convegno: | MENORCA, SPAIN |
| Anno del convegno: | DEC 01-03, 1999 |
| Rilevanza: | Rilevanza internazionale |
| Data di pubblicazione: | 2001 |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/S0003-2670(00)01015-1 |
| Settore Scientifico Disciplinare: | Settore CHIM/01 - Chimica Analitica |
| Lingua: | English |
| Tipologia: | Intervento a convegno |
| Citazione: | Killard, A.J., Micheli, L., Grennan, K., Franek, M., Kolar, V., Moscone, D., et al. (2001). Amperometric separation-free immunosensor for real-time environmental monitoring. In Analytica Chimica Acta (pp.173-180). AMSTERDAM : ELSEVIER SCIENCE BV. |
| Appare nelle tipologie: | 02 - Intervento a convegno |
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