Near-infrared peptide-coated quantum dots for small animal imaging

Gopal Iyer; Jack J. Li; Fabien Pinaud; James M. Tsay; Laurent A. Bentolila; Xavier Michalet; Shimon Weiss

doi:10.1117/12.661777

24 March 2006 Near-infrared peptide-coated quantum dots for small animal imaging

Gopal Iyer, Jack J. Li, Fabien Pinaud, James M. Tsay, Laurent A. Bentolila, Xavier Michalet, Shimon Weiss

Proceedings Volume 6096, Colloidal Quantum Dots for Biomedical Applications; 60960B (2006) https://doi.org/10.1117/12.661777
Event: SPIE BiOS, 2006, San Jose, California, United States

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.

Citation Download Citation

Gopal Iyer, Jack J. Li, Fabien Pinaud, James M. Tsay, Laurent A. Bentolila, Xavier Michalet, and 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); https://doi.org/10.1117/12.661777

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