Design, fabrication and drug release potential of dual stimuli-responsive composite hydrogel nanoparticle interfaces.

Colloids and Surfaces. B, Biointerfaces
Narsimha Mamidi, Ramiro Manuel Velasco Delgadillo

Abstract

Nanocomposite hydrogel particles grasp considerable attention in nanotechnology and nanomedicine as one of the potential drug delivery platforms. However, prevail a coveted drug delivery strategy with sustain and stimuli-drug release is still challenging. Herein, poly (N-(4-aminophenyl) methacrylamide))-carbon nano-onions (PAPMA-CNOs = f-CNOs)/diclofenac-complex integrated chitosan (CS) nanocomposite hydrogel nanoparticles (CNPs) were fabricated using an ionic gelation strategy. CNPs possess several conducive physicochemical properties, including spherical morphology and uniform particle distribution.In vitro drug release from CNPs was vetted in different pHs of gastrointestinal (GI) tract environment at a temperature range of 37-55 °C and found dual (pH and thermo)-responsive controlled drug release. Under pH 7.4, CNPs exhibited the highest drug release at 55 °C in 15 days. The drug release results disclose that the structure of CNPs was disassembled at 55 °C to release the encapsulated drug molecules in a controlled fashion. The CNPs also displayed good cell viability against human fibroblast cells. Thus, all the results together unveil that CNPs would thrive as a promising pH and temperature-triggered drug delivery platform ...Continue Reading

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Citations

Aug 11, 2021·Polymers·Kamla PathakTapan Behl

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