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Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.
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TAPE: A Biodegradable Hemostatic Glue Inspired by a Ubiquitous Compound in Plants for Surgical Application
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Selectively Biodegradable Polyesters: Nature-Inspired Construction Materials for Future Biomedical Applications.

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Polymers
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Biodegradable polyesters with stimulus-sensitive linkages are advancing for drug delivery and biomedical devices. These materials offer controlled degradation for applications like tissue engineering and wound healing.

Keywords:
biodegradabilitydrug deliverymedical applicationpolycondensationpolyesterring-openingstimuli-sensitive

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Area of Science:

  • Materials Science
  • Biomedical Engineering
  • Polymer Chemistry

Background:

  • Significant advancements in biodegradable polyesters for biomedical uses over the past 50 years.
  • Stimuli-responsive linkages enhance polyester functionality for therapeutic devices.
  • Controlled degradation is key for targeted drug delivery and advanced medical applications.

Purpose of the Study:

  • To review the development of synthetic biodegradable polyesters.
  • To highlight polyesters with hydrolytic or enzymatic degradation capabilities.
  • To explore applications in tissue engineering, temporary implants, wound healing, and drug delivery.

Main Methods:

  • Review of current literature on biodegradable synthetic polyesters.
  • Analysis of polyesters with external stimuli-sensitive linkages (pH, redox, enzymes).
  • Focus on hydrolytic and enzymatic degradation mechanisms.

Main Results:

  • Biodegradable polyesters with stimuli-responsive elements are increasingly utilized.
  • These materials enable controlled/sustained drug release and advanced therapeutic device development.
  • Versatile applications demonstrated in tissue engineering, implants, wound healing, and drug delivery.

Conclusions:

  • Biodegradable polyesters are crucial for next-generation biomedical applications.
  • Stimuli-sensitive degradation offers precise control for therapeutic interventions.
  • Continued research promises further innovation in medical device design and drug delivery systems.