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Journal of Nanoparticle Research

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01-10-2011 | Research Paper

Investigation of in vitro efficiency of magnetic nanoparticle-conjugated ¹²⁵I-uracil glucuronides in adenocarcinoma cells

Published in: Journal of Nanoparticle Research | Issue 10/2011

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Abstract

Modification of the magnetic properties of a drug can be used to direct the drug to the desired site, enhancing its therapeutic effectiveness and reducing side effects. In this study, surface-modified magnetic nanoparticles were immobilized with uracil glucuronide derivatives and then labeled with I-125. The morphology, structure, and composition of the magnetic particles were examined by TEM, SEM, VSM, and XRD. The particles sizes were about 50 nm. The labeling yield was 93.8% for uracil-O-glucuronide-immobilized magnetic particles and 95.0% for uracil-N-glucuronide-immobilized magnetic particles. The cell incorporation rates of N- and O-glucuronides were higher than those of uracil. The incorporation rates of uracil-, O-glucuronide-, and N-glucuronide-conjugated magnetic particles were all high. The cell incorporation rates of ligand-conjugated magnetic particles increased under a magnetic field.

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Title: Investigation of in vitro efficiency of magnetic nanoparticle-conjugated 125I-uracil glucuronides in adenocarcinoma cells
Publication date: 01-10-2011
Published in: Journal of Nanoparticle Research / Issue 10/2011
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI: https://doi.org/10.1007/s11051-011-0436-6

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