User profiles for "author:A Bogdanov, Jr"

Alexei Bogdanov jr

Professor of Radiology and Cell Biology, University of Massachusetts Medical School
Verified email at umassmed.edu
Cited by 16035

Poly (ethylene glycol) on the liposome surface: on the mechanism of polymer-coated liposome longevity

VP Torchilin, VG Omelyanenko, MI Papisov… - … et Biophysica Acta (BBA …, 1994 - Elsevier
The hypothetical model is built explaining the molecular mechanism of protective action of
poly (ethylene glycol) on liposomes in vivo. The protective layer of the polymer on the …

Monocrystalline iron oxide nanocompounds (MION): physicochemical properties

…, M Papisov, A Bogdanov Jr… - Magnetic …, 1993 - Wiley Online Library
We have previously described a novel monocrystalline iron oxide nanocompound (MION), a
stable colloid that enables target specific MR imaging. In this study, the physicochemical …

Tumoral distribution of long-circulating dextran-coated iron oxide nanoparticles in a rodent model

A Moore, E Marecos, A Bogdanov Jr, R Weissleder - Radiology, 2000 - pubs.rsna.org
PURPOSE: To investigate the accumulation and cellular uptake of long-circulating dextran-
coated iron oxide (LCDIO) particles in malignant neoplasms in vivo. MATERIALS AND …

Magnetically labeled cells can be detected by MR imaging

…, A Bogdanova, A Bogdanov Jr - Journal of Magnetic …, 1997 - Wiley Online Library
To determine the feasibility of MR imaging of magnetically labeled cells, different cell lines
were labeled with monocrystalline iron oxide (MION) particles. Phantoms containing MION …

Visualization of antitumor treatment by means of fluorescence molecular tomography with an annexin V–Cy5. 5 conjugate

…, E Graves, A Bogdanov Jr… - Proceedings of the …, 2004 - National Acad Sciences
In vivo imaging of treatment responses at the molecular level could have a significant impact
on the speed of drug discovery and ultimately lead to personalized medicine. Strong interest …

Uptake of dextran‐coated monocrystalline iron oxides in tumor cells and macrophages

…, R Weissleder, A Bogdanov Jr - Journal of Magnetic …, 1997 - Wiley Online Library
Although several dextran‐coated iron oxide preparations are in preclinical and clinical use,
little is known about the mechanism of uptake into cells. As these particles have been shown …

Near-infrared optical imaging of protease activity for tumor detection

U Mahmood, CH Tung, A Bogdanov Jr, R Weissleder - Radiology, 1999 - pubs.rsna.org
PURPOSE: To build and test an optical imaging system that is sensitive to near-infrared
fluorescent molecular probes activated by specific enzymes in tumor tissues in mice …

Annexin V–CLIO: a nanoparticle for detecting apoptosis by MRI

EA Schellenberger, A Bogdanov Jr… - Molecular …, 2002 - journals.sagepub.com
Annexin V, which recognizes the phosphatidylserine of apoptotic cells, was conjugated to
crosslinked iron oxide (CLIO) nanoparticles, a functionalized superparamagnetic …

Near-infrared fluorescent imaging of tumor apoptosis

…, L Josephson, R Weissleder, A Bogdanov Jr - Cancer Research, 2003 - AACR
Noninvasive imaging using radioactive annexin V is an emerging strategy for the
assessment of cell death in vivo (FG Blankenberg, and HW Strauss. Apoptosis, 6: 117–123 …

A new macromolecule as a contrast agent for MR angiography: preparation, properties, and animal studies.

AA Bogdanov Jr, R Weissleder, HW Frank… - Radiology, 1993 - pubs.rsna.org
The authors developed and evaluated a polymer as a contrast agent for magnetic
resonance (MR) angiography. The agent consists of a monomethoxy ether of poly (ethylene …