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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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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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Multi-Stimuli-Responsive Polymeric Materials.

Sudhina Guragain1, Bishnu Prasad Bastakoti1, Victor Malgras1

  • 1World Premier International Research Center for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS), 1-1-Namiki, Tsukuba, Ibaraki 305-0044 (Japan).

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Summary
This summary is machine-generated.

Smart polymers can change properties in response to multiple environmental factors like temperature and pH. This review highlights recent studies on these versatile multi-stimuli-responsive materials.

Keywords:
drug deliverymicellesmulti-stimuli-responsive materialspolymers

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Area of Science:

  • Materials Science
  • Polymer Science
  • Chemical Engineering

Background:

  • Stimuli-responsive materials alter properties based on environmental cues (temperature, pH, light).
  • Multi-stimuli-responsive polymers offer enhanced tunability and diverse applications.
  • These advanced polymers are less explored than single-stimuli-responsive counterparts.

Purpose of the Study:

  • To review recent advancements in multi-stimuli-responsive polymeric materials.
  • To emphasize the significance and potential of these versatile materials.

Main Methods:

  • Literature review of recent scientific studies.
  • Analysis of multi-stimuli-responsive polymer characteristics and applications.

Main Results:

  • Recent research demonstrates the sophisticated multi-stimuli-responsive behavior of advanced polymers.
  • These materials exhibit complex property changes in response to combined environmental triggers.
  • The tunable nature of these polymers opens new avenues for technological innovation.

Conclusions:

  • Multi-stimuli-responsive polymers represent a significant frontier in materials science.
  • Further research is crucial to fully understand and exploit their capabilities.
  • These materials hold great promise for next-generation smart devices and applications.