24 March 2006 Near-infrared peptide-coated quantum dots for small animal imaging
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Abstract
We have synthesized high quality type-II CdTe/CdSe near infrared quantum dots using successive ion layer adsorption and reaction chemistry. Transmission electron microscopy reveals that CdTe/CdSe can be synthesized layer by layer yielding quantum dots of narrow size distribution. Excitation and photoluminescence spectra reveal discrete type-II transitions, which correspond to energy lower that type-I bandgap. We have used a peptide coating technique on type-II and commercial near infrared quantum dots for delivery in live animals and cultured cells.
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Gopal Iyer, Gopal Iyer, Jack J. Li, Jack J. Li, Fabien Pinaud, Fabien Pinaud, James M. Tsay, James M. Tsay, Laurent A. Bentolila, Laurent A. Bentolila, Xavier Michalet, Xavier Michalet, Shimon Weiss, Shimon Weiss, "Near-infrared peptide-coated quantum dots for small animal imaging", Proc. SPIE 6096, Colloidal Quantum Dots for Biomedical Applications, 60960B (24 March 2006); doi: 10.1117/12.661777; https://doi.org/10.1117/12.661777
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