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Hyperstar Polyester‐Based Functional Nanotheranostics for the Targeted Drug Delivery and Treatment of Cancer
Author(s) -
Alnasser Riyadh,
Shaw Zachary,
Santra Santimukul
Publication year - 2019
Publication title -
chemnanomat
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.947
H-Index - 32
ISSN - 2199-692X
DOI - 10.1002/cnma.201900517
Subject(s) - drug delivery , biocompatibility , nanoparticle , polyester , nanotechnology , chemistry , lncap , polymer , cytotoxicity , amphiphile , polymerization , combinatorial chemistry , materials science , cancer cell , cancer , organic chemistry , copolymer , biochemistry , in vitro , medicine
Abstract In this study, we have synthesized new class of hyperstar polyester (HSPE) polymer using a functional A 2 B monomer and bio‐based sorbitol. We hypothesize that by incorporating sorbitol, its amphiphilic nature will give the polymer greater solubility and allow for the encapsulation of wide range of anti‐cancer therapeutics. We used potassium methoxide to catalyze the melt polymerization reaction. Using the solvent diffusion method, this polymer was used to construct polymeric nanoparticles to encapsulate therapeutics, in one step, for monitoring drug delivery and treatment. The cytotoxicity of our HSPE nanoparticles was evaluated by a cell‐based MTT assays using prostate cancer cells (LNCaP) and healthy cells (CHO). In addition, the level of internalization of our HSPE nanoparticles was evaluated using fluorescence microscopy. Results showed the HSPE nanoparticles have the capability to target and concurrently image and kill cancer cells. Taken together, these studies indicate the successful development of a new drug delivery system and demonstrated its potential use in the pharmaceutical industry and the field of medicine.

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