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Dec 2000

Volume 71, Issue 12, pp. 4361-4685

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Low-cost optical instrumentation for biomedical measurements

Yordan Kostov and Govind Rao

Rev. Sci. Instrum. 71, 4361 (2000); http://dx.doi.org/10.1063/1.1319859 (14 pages) | Cited 15 times

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Low-cost instruments for measurement in medicine, biotechnology, and environmental monitoring are presented. Recent developments in optoelectronic technology enable practical compact designs. This article presents the available types of light emitters, detectors, and wavelength selection components that are used in low-cost instruments. The main spectroscopic techniques (absorption, reflectance, luminescence intensity, lifetime, and polarization, evanescent wave and surface plasmon resonance) that are used with these instruments are described. Numerous examples of devices for a broad variety of biomedical measurements are presented. © 2000 American Institute of Physics.
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01.30.Rr Surveys and tutorial papers; resource letters
87.64.-t Spectroscopic and microscopic techniques in biophysics and medical physics
42.62.Be Biological and medical applications
87.63.L- Visual imaging
07.60.Rd Visible and ultraviolet spectrometers
42.72.-g Optical sources and standards
85.60.Gz Photodetectors (including infrared and CCD detectors)
07.07.Df Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing
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