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Preparation of embolic NEMs loading capecitabine
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Preparation of embolic NEMs loading capecitabine
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Journal Article
Preparation of embolic NEMs loading capecitabine
2013
Overview
The nanoparticles-embedded microcapsules (NEMs) with smooth surface, good sphericity, excellent dispersivity and uniform particle size distribution were prepared by emulsification combined with electrospraying to extend the sustained release performance of the embolic microcapsules loading capecitabine (CAP). The sodium alginate and chitosan with good biocompatibility were used as the materials and CAP as a small-molecule model drug. The drug loading, encapsulation efficiency and drug release of CAP in the NEMs were investigated. The results showed that the drug-loading and encapsulation efficiency both increased with the increment of chitosan and CAP concentration. The maximum values of drug loading and encapsulation efficiency were 1.97 and 18.01 % respectively when initial CAP concentration was 5.0 g/L and chitosan molecular weight 100 kDa. The cumulative release rate of CAP released from the NEMs was lower than 30 % in 0.5 h, which indicated that there was no obvious initial burst release behavior. In the subsequent 240 h, the release results confirmed that the NEMs had better sustained release properties compared to pure microcapsules, and it might be a new anticancer drug delivery system in the future studies.
Publisher
Springer US,Springer,Springer Nature B.V
Subject
Antineoplastic Agents - administration & dosage
/ Biological and medical sciences
/ Biomedical Engineering and Bioengineering
/ Capsules
/ Ceramics
/ Chemistry and Materials Science
/ Deoxycytidine - administration & dosage
/ Deoxycytidine - analogs & derivatives
/ Fluorouracil - administration & dosage
/ Fluorouracil - analogs & derivatives
/ Glass
/ Regenerative Medicine/Tissue Engineering
/ Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
