In vivo imaging of tumors with protease-activated near-infrared fluorescent probesRalph Weissleder, Alexei Bogdanov, Umar Mahmood et al.|Nature Biotechnology|1999Cited by 1.6k
Monocrystalline iron oxide nanocompounds (MION): Physicochemical propertiesTueng T. Shen, Thomas J. Brady, Alexei Bogdanov et al.|Magnetic Resonance in Medicine|1993Cited by 501
Long-circulating iron oxides for MR imagingRalph Weissleder, Mikhail Papisov, Alexei Bogdanov et al.|Advanced Drug Delivery Reviews|1995Cited by 400
Tumoral Distribution of Long-circulating Dextran-coated Iron Oxide Nanoparticles in a Rodent ModelAnna Moore, Ralph Weissleder, E Marecos et al.|Radiology|2000Cited by 350
Visualization of antitumor treatment by means of fluorescence molecular tomography with an annexin V–Cy5.5 conjugateVasilis Ntziachristos, Ralph Weissleder, Doreen Yessayan et al.|Proceedings of the National Academy of Sciences|2004Cited by 347