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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...
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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...

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Related Experiment Video

Updated: Jul 3, 2026

Preparation of Multifunctional Silk-Based Microcapsules Loaded with DNA Plasmids Encoding RNA Aptamers and Riboswitches
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Preparation of Multifunctional Silk-Based Microcapsules Loaded with DNA Plasmids Encoding RNA Aptamers and Riboswitches

Published on: October 8, 2021

Polymeric microcapsules for synthetic applications.

Dennis Lensen1, Dennis M Vriezema, Jan C M van Hest

  • 1Department of Bio-Organic Chemistry, Institute for Molecules and Materials, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands.

Macromolecular Bioscience
|July 26, 2008
PubMed
Summary
This summary is machine-generated.

Scientists are developing robust polymer-based capsules inspired by natural cells for applications in transportation, catalysis, and protection. These advanced systems offer environmental shielding and stable membranes, with growing potential in nano-reactors.

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Area of Science:

  • Biomimetic systems
  • Polymer science
  • Materials science

Background:

  • Inspired by natural cells, scientists have long pursued closed systems for various applications.
  • Recently, polymer-based systems have gained prominence due to enhanced robustness and stability.
  • These systems offer superior environmental protection and membrane integrity compared to earlier designs.

Purpose of the Study:

  • To review the advancements in polymer-based closed systems.
  • To highlight their preparation methods and diverse applications.
  • To discuss the future potential, particularly in nano-reactors.

Main Methods:

  • Self-assembly
  • Templating
  • In situ polymerization
  • Precipitation

Main Results:

  • Polymer-based capsules offer improved stability and environmental protection.
  • Various preparation techniques enable tailored capsule properties.
  • Applications span drug delivery, diagnostics, sensors, and nano-reactors.

Conclusions:

  • Polymer-based capsules represent a significant advancement over traditional closed systems.
  • The field is rapidly expanding, with substantial growth expected in nano-reactor applications.
  • Further research promises innovative solutions in catalysis, transportation, and protection.