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In some emergency situation such as to Detect Contamination biochemistry. There is a need for utilizing Si PIN diodes to detect the photoluminescence of NAPDH (nicotinamide adenine dinucleotide) and riboflavin. NAPDH has a absorption peak at about 340nm and emission fluorescence at about 460nm. And riboflavin has a absorption peak at about 385nm and emission fluorescence at about 510nm. This paper...
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