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Modified-Release Drug Delivery Systems: Stimuli-Activated

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Stimuli-activated drug delivery systems are designed to release drugs in response to specific physical, chemical, or biological stimuli. These systems often utilize hydrogels—three-dimensional, hydrophilic polymer networks capable of swelling in aqueous environments and retaining significant fluid volumes. Upon exposure to particular stimuli, these hydrogels undergo structural transitions that allow the embedded drug to be released. Due to this adaptive behavior, such systems are also...

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Synthesis of Stimuli-responsive Nanogels using Aqueous One-step Crosslinking and Co-nanopolymerization

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Stimuli-responsive polymeric nanoparticles for nanomedicine.

Carina I C Crucho¹

¹Department of Chemistry REQUIMTE/CQFB, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica (Portugal). cic17468@campus.fct.unl.pt.

|October 17, 2014

Summary

Nature inspires smart drug delivery systems. Stimuli-responsive polymeric nanoparticles offer controlled release, enhancing therapeutic efficacy and targeting in healthcare applications.

Keywords:

drug delivery nanomedicine nanoparticles polymers stimuli-responsive

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Area of Science:

Biomimetic nanotechnology
Polymeric nanostructures
Supramolecular assembly

Background:

Nature utilizes polymeric nanometer-scale architectures in biological systems.
Nanoscience advances show nanomaterial potential in healthcare.
Nanomaterials protect drugs in circulation and target specific sites.

Purpose of the Study:

Review the state of the art in stimuli-responsive polymeric nanoparticles.
Highlight the design and formulation of smart drug-delivery systems.
Outline future strategies for controlled drug delivery systems.

Main Methods:

Review of current literature on stimuli-responsive polymeric nanoparticles.
Analysis of nanoparticle formulation and surface modification strategies.
Discussion of how these systems respond to natural or external stimuli.

Main Results:

Stimuli-responsive nanoparticles enable controlled drug release.
Surface modification allows tailoring of stability, release, and targeting.
Smart drug-delivery systems show promise for enhanced therapeutics.

Conclusions:

Stimuli-responsive polymeric nanoparticles are a key advancement in drug delivery.
These smart systems offer precise control over drug release and targeting.
Further development promises more effective and responsive controlled drug delivery solutions.