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Related Concept Videos

Site-Targeted Drug Delivery Systems: Polymeric Carriers01:24

Site-Targeted Drug Delivery Systems: Polymeric Carriers

Polymeric carriers enhance targeted drug delivery by increasing efficacy while minimizing off-target effects. These carriers comprise a biodegradable polymeric backbone integrated with functional elements that enable targeting, improve physicochemical properties, and regulate drug release.Targeting MechanismsThe targeting ability of polymeric carriers is mediated by a homing device, which is a molecular recognition component designed to selectively bind to specific tissues or cells. Monoclonal...
Modified-Release Drug Delivery Systems: Site-Targeted01:24

Modified-Release Drug Delivery Systems: Site-Targeted

Site-targeted drug delivery systems enhance therapeutic efficacy while minimizing systemic toxicity and treatment costs. Unlike conventional methods, these systems ensure precise drug delivery, improving bioavailability and reducing side effects. Targeted drug delivery is classified into three levels. First-order targeting directs drugs to the capillary beds of specific organs or tissues. Second-order targets specific cell types, such as tumor cells, using receptor-mediated interactions.
Drug Delivery Systems: Different Types01:27

Drug Delivery Systems: Different Types

Conventional oral drug products, termed immediate-release (IR) formulations, are engineered to promptly release their active pharmaceutical ingredient (API) upon ingestion, typically in tablets or capsules. This rapid release often results in swift drug absorption and consequent pharmacodynamic effects, although the timing and intensity can vary depending on the drug's properties. Prodrugs within these formulations require metabolic conversion to activate their pharmacodynamic effects,...
Modified-Release Drug Delivery Systems: Stimuli-Activated01:30

Modified-Release Drug Delivery Systems: Stimuli-Activated

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 called...
Modified-Release Drug Delivery Systems: Rate-Programmed II01:19

Modified-Release Drug Delivery Systems: Rate-Programmed II

Rate-programmed drug delivery systems release drugs in a controlled manner to maintain therapeutic levels. Three main designs include reservoir, matrix, and hybrid systems.Reservoir systems consist of a drug core enclosed within a membrane that controls drug release. In non-swelling reservoir systems, polymers like ethyl cellulose or polymethacrylates are used. These do not hydrate in aqueous media and control release through membrane thickness, porosity, or insolubility. This type includes...
Modified-Release Drug Delivery Systems: Classification01:23

Modified-Release Drug Delivery Systems: Classification

Modified-release drug delivery systems improve drug efficacy and minimize side effects by controlling the rate and location of drug release. These systems fall into three categories: rate-programmed, stimuli-activated, and site-targeted.Rate-programmed systems release drugs at a predetermined rate, maintaining consistent therapeutic levels and reducing fluctuations that could lead to toxicity or subtherapeutic effects. These systems use polymeric matrices, reservoir-based designs, or osmotic...

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Updated: Jul 4, 2026

Manufacture and Drug Delivery Applications of Silk Nanoparticles
09:03

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Published on: October 8, 2016

Polymeric Nanocarriers in Drug Delivery.

Harshit Kumar Maurya1, Shaweta Sharma1

  • 1Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, U.P., India.

Pharmaceutical Nanotechnology
|July 3, 2026
PubMed
Summary
This summary is machine-generated.

Polymeric nanocarriers offer advanced solutions for drug delivery challenges like poor solubility and toxicity. This review details their development, applications, and future potential in personalized nanomedicine.

Keywords:
Polymeric nanocarrierscancer therapydrug deliverydrug design - artificial intelligencenanomedicinenanotoxicologystimuli-responsive systemstargeted delivery

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Pharmacology

Background:

  • Pharmacotherapy is evolving towards precision nanomedicine, moving beyond traditional drug delivery systems.
  • Polymeric nanocarriers (nanospheres, nanocapsules, micelles, dendrimers, polymersomes, nanogels) address limitations like low solubility, rapid clearance, and toxicity.

Purpose of the Study:

  • To critically review recent advancements in polymeric nanocarrier systems.
  • To focus on structural differentiation, physicochemical properties, and biological activity.
  • To analyze fabrication methods, drug delivery strategies, and emerging trends.

Main Methods:

  • Review of natural and synthetic polymers for biodegradability, biocompatibility, and functionality.
  • Critical analysis of fabrication methods (e.g., nanoprecipitation, dendrimer synthesis) concerning industrial scale-up.
  • Systematic analysis of drug delivery approaches: passive (EPR effect), active (ligand-mediated), and stimuli-responsive release.

Main Results:

  • Exploration of polymeric nanocarriers' structural diversity, properties, and biological impact.
  • Evaluation of fabrication techniques and their industrial translation challenges.
  • Detailed examination of various drug delivery mechanisms and emerging trends like hybrid nanostructures and green synthesis.

Conclusions:

  • Polymeric nanocarriers are versatile platforms with significant potential for next-generation drug delivery.
  • Emerging trends include AI integration for formulation design and a shift towards personalized nanomedicine.
  • Clinical advancements and FDA-approved formulations highlight the growing importance and viability of these systems.