Improving Decorporation Efficacy of DTPA and HOPO Using Chitosan/TPP Nanoparticles: Preparation, Characterization and Release Testing
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The purpose of this research is to synthesize chitosan nanoparticles with encapsulated DTPA or 3,4,3-LI(1,2-HOPO), in a hope to improve the efficacy of the decorporation agents by taking advantage of the mucoadhesion property of chitosan. The resultant CS-DTPA/TPP and CS-HOPO/TPP nanoparticles were characterized by transmission electron microscopy, Fourier transform infrared spectroscopy and dynamic light scattering, which can provide information about morphology, chemical structure and size distribution, respectively. The release profiles of CS-DTPA/TPP and CS-HOPO/TPP nanoparticles were obtained via in vitro release studies. The release process includes an initial burst period, a slow release in the later stage, and a relatively stable level in the final stage. Lysozyme has no effect on the drug release from the CS-DTPA/TPP and CS-HOPO/TPP nanoparticles.This cationic protein will not greatly change the final cumulative amount of the decorporation agents released from the CS-DTPA/TPP or CS-HOPO/TPP nanoparticles.
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Copyright © 2016 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 2016
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chen-improvingdecorporationefficacyofdtpaandhopo.pdf | 2023-05-05 | Public | Download |