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Sensors 2013, 13(10), 13928-13948; doi:10.3390/s131013928
Review

Recent Advances in Optical Biosensors for Environmental Monitoring and Early Warning

1,* , 2
 and 3,*
Received: 11 July 2013 / Revised: 20 September 2013 / Accepted: 5 October 2013 / Published: 15 October 2013
(This article belongs to the Section Biosensors)
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Abstract

The growing number of pollutants requires the development of innovative analytical devices that are precise, sensitive, specific, rapid, and easy-to-use to meet the increasing demand for legislative actions on environmental pollution control and early warning. Optical biosensors, as a powerful alternative to conventional analytical techniques, enable the highly sensitive, real-time, and high-frequency monitoring of pollutants without extensive sample preparation. This article reviews important advances in functional biorecognition materials (e.g., enzymes, aptamers, DNAzymes, antibodies and whole cells) that facilitate the increasing application of optical biosensors. This work further examines the significant improvements in optical biosensor instrumentation and their environmental applications. Innovative developments of optical biosensors for environmental pollution control and early warning are also discussed.
Keywords: optical biosensor; environmental pollution control; nanosensor; biomolecules optical biosensor; environmental pollution control; nanosensor; biomolecules
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Long, F.; Zhu, A.; Shi, H. Recent Advances in Optical Biosensors for Environmental Monitoring and Early Warning. Sensors 2013, 13, 13928-13948.

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