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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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Solid-phase Submonomer Synthesis of Peptoid Polymers and their Self-Assembly into Highly-Ordered Nanosheets
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Polypept(o)ides: Hybrid Systems Based on Polypeptides and Polypeptoids.

Kristina Klinker1,2, Matthias Barz2

  • 1Graduate School Materials Science in Mainz, Staudinger Weg 9, 55128, Mainz, Germany.

Macromolecular Rapid Communications
|September 24, 2015
PubMed
Summary
This summary is machine-generated.

Polypept(o)ides, a novel biomaterial, merge polypeptide functionality with polysarcosine stealth properties. These advanced polymers show great potential for nanomedicine applications, offering tunable characteristics for targeted therapies.

Keywords:
drug deliverygene deliveryhybridpolypept(o)idespolypeptidespolypeptoidsself-assemblysystems

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Area of Science:

  • Polymer Chemistry
  • Materials Science
  • Nanomedicine

Background:

  • Polypept(o)ides are advanced block copolymers combining polypeptide multifunctionality and stimuli-responsiveness with the "stealth" properties of polysarcosine.
  • Polysarcosine offers a potential alternative to polyethylene glycol (PEG), addressing issues like in vivo storage diseases and immune responses.

Purpose of the Study:

  • To review the synthesis, characterization, and nanomedicine applications of polypept(o)ides.
  • To highlight the potential of polypept(o)ides as a versatile platform in nanomedicine.

Main Methods:

  • Sequential ring-opening polymerization of α-amino acid N-carboxyanhydrides (NCAs) and N-substituted glycine N-carboxyanhydride (NNCA).
  • Characterization of resulting block copolymers for molecular weight distribution, end group integrity, and dispersity.

Main Results:

  • Block copolypept(o)ides exhibit Poisson-like molecular weight distributions and dispersities below 1.2.
  • Polypeptidic blocks provide task-specific functionalities and can form secondary structures (α-helix, β-sheets) directing self-assembly.
  • Early data indicates significant potential for polypept(o)ides in nanomedicine.

Conclusions:

  • Polypept(o)ides represent a promising new class of materials for nanomedicine.
  • Their tunable properties and biocompatibility make them attractive for various therapeutic applications.