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Reagentless Optical Biosensors for Organic Compounds Based on Autoindicating Proteins

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Optical reagentless biosensors are one of the most promising alternatives for producing selective, sensitive and autonomous sensors for real life applications. These devices are based on the efficient use of the spectroscopic properties of bioreagents, mainly proteins, as transducers; avoiding in this way the use of chemical colorant/fluorophores which usually limit sensors performance. In this paper a brief state of the art of the bioreagents being used in biosensors as well as recent alternatives are discussed. The advantages of flavoenzymes and hemeproteins as the basis for reagentless biosensors are particularly stressed.

Keywords: Reagentless; biosensors; flavoenzymes; hemeproteins; organic; proteins

Document Type: Research Article


Publication date: August 1, 2008

More about this publication?
  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.

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