23 February 2006 Red photoluminescence emission of laser dye doped DNA and PMMA
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DNA and PPMA were doped with the laser dye sulforhodamine 640. Red emission was observed from both dye-doped DNA and PMMA upon photoexcitation. Photoluminescence (PL) emission was studied as a function of dye concentration. The maximum PL intensity of dye in DNA host material is at least 17 times higher than that in PMMA. The DNA host shows higher doping concentration without optical quenching than PMMA does.
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Zhou Yu, Josh A. Hagen, James G. Grote, Andrew J. Steckl, "Red photoluminescence emission of laser dye doped DNA and PMMA", Proc. SPIE 6117, Organic Photonic Materials and Devices VIII, 61170N (23 February 2006); doi: 10.1117/12.646590; https://doi.org/10.1117/12.646590

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