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Multi-transduction of molecular recognition events in metalloporphyrin layers
Univ Roma Tor Vergata, Dept Elect Engn, I-00133 Rome, Italy.
Univ Roma Tor Vergata, Dept Chem Sci and Technol, I-00133 Rome, Italy.
Univ Roma Tor Vergata, Dept Elect Engn, I-00133 Rome, Italy.
Linköping University, Department of Physics, Chemistry and Biology, Applied Physics . Linköping University, The Institute of Technology.
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2009 (English)In: Journal of Porphyrins and Phthalocyanines, ISSN 1088-4246, Vol. 13, no 11, 1123-1128 p.Article in journal (Refereed) Published
Abstract [en]

Besides the design and synthesis of appropriate molecular recognition systems, the development of chemical sensors requires a careful selection of the transducer to allow conversion of the chemical interaction into an exploitable electric signal. Metalloporphyrins, which are characterized by manifold of interactions of different strength and selectivity, provide a good example of the complexity of such an issue. In this paper, an example of the different ways to capture interactions occurring in a metalloporphyrin layer is presented. In particular, the properties of mass ( quartz microbalance) and surface potential transducers (field effect transistor) are illustrated. Results suggest that field effect transistors are more suitable to preserve the interactions magnitude scale than to maintain the original selectivity of the molecular recognition system.

Place, publisher, year, edition, pages
2009. Vol. 13, no 11, 1123-1128 p.
Keyword [en]
chemical sensors; metalloporphyrins; quartz microbalance; ChemFET
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-52866DOI: 10.1142/S1088424609001443OAI: diva2:285789
Available from: 2010-01-13 Created: 2010-01-12 Last updated: 2014-01-09

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Lundström, IngemarLloyd Spetz, Anita
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