Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 118, Issue -, Pages 1627-1638Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2018.07.008
Keywords
Alveolar macrophages; Polymeric micelles; Silver nanoparticle
Funding
- DST-SERB, Government of India under the scheme of EMEQ [SB/EMEQ-241-2014]
- University Grants Commission UGC-MRP scheme, New Delhi [F.43-187/2014 (SR)]
- Deanship of Scientific Research at King Saud University through the Research Group Project [RGP-300]
- UGC under UPE
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Recently, drug functionalized biodegradable polymers have been appreciated to be imperative to fabricate multi drug delivery nanosystems for sustainable drug release. In this work, amphiphilic chitosan-grafted-(cetyl alcohol-maleic anhydride-pyrazinamide) (CS-g-(CA-MA-PZA)) was synthesized by multi-step reactions. The incorporation of rifampicin (RF) and entrapment of silver nanoparticles (Ag NPs) on CS-g-(CA-MA-PZA) polymer was carried out by dialysis technique. From the FT-IR experiment, the polymer modification, incorporation of drugs and the entrapment of Ag NPs on micelles were confirmed. The surface morphology of Ag NPs, polymeric system and drug loaded micelles was described by SEM, TEM and AFM techniques. In addition, the controlled release behaviour of CS-g-(CA-MA-PZA) micelles was studied by UV-Vis spectroscopy. In vitro cell viability, cell apoptosis and cellular uptake experiments shows that multi-drug delivery system could enhance the biocompatibility and higher the cytotoxicity effect on the cells. Since the prepared amphiphilic polymeric micelles exhibit spotty features and the system is a promising strategy for a novel candidate for immediate therapeutically effects for alveolar macrophages. (C) 2018 Elsevier B.V. All rights reserved
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