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Absorbance based light emitting diode optical sensors and sensing devices

O'Toole, Martina and Diamond, Dermot (2008) Absorbance based light emitting diode optical sensors and sensing devices. Sensors, 8 (4). pp. 2453-2479. ISSN 1424-8220

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Abstract

The ever increasing demand for in situ monitoring of health, environment and security has created a need for reliable, miniaturised sensing devices. To achieve this, appropriate analytical devices are required that possess operating characteristics of reliability, low power consumption, low cost, autonomous operation capability and compatibility with wireless communications systems. The use of light emitting diodes (LEDs) as light sources is one strategy, which has been successfully applied in chemical sensing. This paper summarises the development and advancement of LED based chemical sensors and sensing devices in terms of their configuration and application, with the focus on transmittance and reflectance absorptiometric measurements.

Item Type:Article (Published)
Refereed:Yes
Subjects:Physical Sciences > Chemical detectors
Physical Sciences > Detectors
Physical Sciences > Chemistry
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Science and Health > School of Chemical Sciences
Research Initiatives and Centres > National Centre for Sensor Research (NCSR)
Publisher:Molecular Diversity Preservation International
Official URL:http://dx.doi.org/10.3390/s8042453
Copyright Information:© 2008 by MDPI (http://www.mdpi.org). Reproduction is permitted for noncommercial purposes.
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:2242
Deposited On:06 Jan 2009 12:11 by martina o'toole. Last Modified 06 Jan 2009 12:11

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