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Poly(vinyl alcohol) and Functionalized Ionic Liquid-Based Smart Hydrogels for Doxorubicin Release
Muzammil Kuddushi1,2, Debes Ray3, Vinod Aswal3
1Applied Chemistry Department, S.V. National Institute of Technology, Surat 395007, Gujarat, India.
ACS Applied Bio Materials
|January 13, 2022
Summary
This study introduces a novel injectable hydrogel for targeted cancer therapy. The smart hydrogel effectively delivers doxorubicin (DOX) to cancer cells, showing enhanced efficacy and reduced side effects.
Area of Science:
- Biomaterials Science
- Polymer Chemistry
- Nanotechnology
Background:
- Traditional cancer therapies face limitations including adverse effects and recurrence.
- There is a need for advanced drug delivery systems that are targeted, efficient, and safe.
Purpose of the Study:
- To design a stimuli-responsive, self-healable, adhesive, and injectable polymeric hydrogel for enhanced anticancer drug delivery.
- To incorporate an ester-functionalized ionic liquid to improve drug encapsulation and localized release.
Main Methods:
- Characterization of hydrogel properties (molecular interactions, morphology, mechanical strength) using techniques like small-angle neutron scattering.
- Assessment of adhesive properties via lap-shear strength tests.
- Evaluation of biocompatibility and cellular drug uptake in human breast cancer (MCF-7) and cervical carcinoma (HeLa) cells.
Main Results:
- The hydrogel demonstrated stimuli-responsive behavior, releasing doxorubicin (DOX) efficiently at the acidic pH of cancer cells.
- In vitro studies showed enhanced cytotoxicity against cancer cells compared to traditional methods.
- Targeted drug release and improved cellular drug uptake were observed.
Conclusions:
- The developed polymeric hydrogel offers a promising platform for efficient anticancer drug encapsulation and localized delivery.
- This system presents a viable therapeutic approach for cancer treatment, warranting further investigation into its overall impact on cellular drug trafficking.

