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BLUE LIGHT EMITTING DIODE FOR FLUORESCENCE SENSING

BLUE LIGHT EMITTING DIODE FOR FLUORESCENCE SENSING
用于荧光传感的蓝光发光二极管
批准号：
6315386
负责人：
GOVIND RAO
金额：
$2.83万
依托单位：
UNIVERSITY OF MARYLAND BALTIMORE
依托单位国家：
美国
项目类别：
财政年份：
2000
资助国家：
美国
项目状态：
已结题
起止时间：
2000-04-01 至 2001-03-31
来源：
https://reporter.nih.gov/project-details/6315386
关键词：
biological products biomaterials biomedical equipment development biomedical resource biotechnology spectrometry

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英文摘要
We have produced amplitude-modulated near-ultraviolet light, centered at 390 nm, using an inexpensive, commercially available blue light emitting diode (LED). The fluorescence lifetimes of standard fluorophores were measured in the frequency -domain using the phase modulation technique, producing fluorescence lifetimes that agree with those reported in the literature. The ability to modulate the LED at high frequencies, along with the UV output, allows its use as an inexpensive UV light source in the fluorescence lifetime optical sensors and even frequency-domain fluorometers.
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