The novel Gd(III) complexes of heptadentate ligands NE3TA and NE3TA-Bn were prepared, and their relaxivities were measured and favorably compared to the commercially available MRI contrast enhancement agent Gd(DOTA). NE3TA was conjugated with cholic acid (CA) to produce CA-NE3TA. TEM images of Gd(CA-NE3TA) indicate that the complex self-assembles forming nano-sized micelles and displays an over threefold increased relaxivity compared to Gd(DOTA). The new cholic acid-conjugated nanoparticle MR contrast enhancement agent, Gd(CA-NE3TA) possesses great promise for use in targeted MRI.
A novel cholic acid-based contrast enhancement agent for targeted MRI. Publishing Authors By Initials
A novel cholic acid-based contrast enhancement agent for targeted MRI. Journal Published:
PUBLICATION TYPE: Journal Article
Journal: Bioorganic & medicinal chemistry letters
VOLUME: 18
Page Numbers: 2505-8
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ISSN: 1464-3405
DAY: 18
MONTH: 01
YEAR: 2008
A novel cholic acid-based contrast enhancement agent for targeted MRI. Information
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LANGUAGE: eng
NlmUniqueID: 9107377
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Grant and Affiliation Information for A novel cholic acid-based contrast enhancement agent for targeted MRI.
AFFILIATION: Chemistry Division, Biological, Chemical, and Physical Sciences Department, Illinois Institute of Technology, 3101 S. Dearborn St., LS 182, Chicago, IL 60616, USA.
Country: England
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MEDLINETA: Bioorg Med Chem Lett
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