Synthesis and Bioconjugation of Gold Nanoparticles as Potential Molecular Probes for Light-Based Imaging Techniques. - Raja Gopal Rayavarapu; Wilma Petersen; Constantin Ungureanu; Janine N. Post; Ton G. van Leeuwen; Srirang Manohar (Int. J. Biomed. Imaging, 2007)