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Parenteral drug delivery systems play a crucial role in modern therapeutics by enabling the direct administration of drugs into the systemic circulation, bypassing the gastrointestinal tract. These systems are particularly valuable for poorly absorbed oral medications that are unstable in the digestive environment or require rapid onset or sustained therapeutic levels. Delivery is achieved through intravenous, intramuscular, or subcutaneous routes, each selected based on the drug's properties...
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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 called...
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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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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.
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Related Experiment Video

Updated: May 7, 2026

Development, Characterization, and Evaluation of CAGE-based Ionic Liquid Systems for Transdermal Delivery
09:44

Development, Characterization, and Evaluation of CAGE-based Ionic Liquid Systems for Transdermal Delivery

Published on: September 26, 2025

Pharmaceutically active ionic liquid self-assembled vesicles for the application as an efficient drug delivery

Longlong Zhang1, Jing Liu, Tingting Tian

  • 1School of Pharmaceutical Science, Shandong University, 44 West Wenhua Road, Jinan, Shandong Province, 250012 (P. R. China), Fax: (+86) 531-88382548.

Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry
|September 17, 2013
PubMed
Summary

Self-assembled vesicles made from a pharmaceutically active ionic liquid act as an effective shuttle-drug system. This novel approach enables the direct, controlled release of the active pharmaceutical ingredient.

Keywords:
drug releaseionic liquidsself-assemblytoxicityvesicles

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Area of Science:

  • Materials Science
  • Pharmaceutical Science
  • Nanotechnology

Background:

  • Drug delivery systems are crucial for effective therapeutic outcomes.
  • Ionic liquids offer unique properties for pharmaceutical applications.
  • Controlled release mechanisms are essential for optimizing drug efficacy and reducing side effects.

Purpose of the Study:

  • To investigate the potential of self-assembled vesicles of a pharmaceutically active ionic liquid as a drug delivery vehicle.
  • To demonstrate the controlled release capabilities of this novel system.
  • To evaluate the efficiency of the shuttle-drug concept.

Main Methods:

  • Formation of self-assembled vesicles from a pharmaceutically active ionic liquid.
  • Characterization of vesicle structure and properties.
  • In vitro assessment of drug release kinetics.

Main Results:

  • Successfully formed self-assembled vesicles capable of encapsulating the active pharmaceutical ingredient.
  • Demonstrated efficient drug loading within the vesicle structure.
  • Observed controlled and sustained release of the active pharmaceutical component from the vesicles.

Conclusions:

  • Self-assembled vesicles of pharmaceutically active ionic liquids represent a promising shuttle-drug delivery system.
  • This system facilitates direct and controlled release of the active pharmaceutical ingredient.
  • The findings support the development of novel ionic liquid-based drug delivery platforms.