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Polymers02:34

Polymers

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The word polymer is derived from the Greek words “poly” which means “many” and “mer” which means “parts”. Polymers are long chains of molecules composed of repeating units of smaller molecules, known as monomers. They either occur naturally, such as DNA and proteins, or can be constructed synthetically, like plastics. They have varied structural characteristics, such as linear chains, branched chains, or complex networks, that contribute to the...
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Types of Step-Growth Polymers: Polyesters01:20

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The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the...
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Step-Growth Polymerization: Overview01:03

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Step-growth or condensation polymerization is a stepwise reaction of bi or multifunctional monomers to form long-chain polymers. As all the monomers are reactive, most of the monomers are consumed at the early stages of the reaction to form small chains of reactive oligomers, which then combine to form long polymer chains in the late stages. Hence, the reaction has to proceed for a long time to achieve high molecular weight polymers.
Many natural and synthetic polymers are produced by...
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Polymer Classification: Architecture01:14

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Polymers are classified as linear or branched on the basis of their chain architecture. The polymer chains in linear polymers have a long chain-like structure with minimal to no branching at all. Even if a polymer features large substituent groups on the monomer, which appear as branches to the skeleton, it is not considered a branched polymer. A branched polymer contains secondary polymer chains that arise from the main polymer chain. The branching occurs when the polymer growth shifts from...
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Polymer Classification: Stereospecificity01:26

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Polymerization generates chiral centers along the entire backbone of a polymer chain. Accordingly, the stereochemistry of the substituent group has a significant effect on polymer properties. Polymers formed from monosubstituted alkene monomers feature chiral carbons at every alternate position in the polymer backbone. Relative to the predominant orientation of substituents at the adjacent chiral carbons, the polymer can exist in three different configurations: isotactic, syndiotactic, and...
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Solid-phase Submonomer Synthesis of Peptoid Polymers and their Self-Assembly into Highly-Ordered Nanosheets
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Solid-phase Submonomer Synthesis of Peptoid Polymers and their Self-Assembly into Highly-Ordered Nanosheets

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Stimulus-Responsive Polymers Based on Polypeptoid Skeletons.

Rui Fang1, Junwei Pi1, Tiantian Wei1

  • 1Research School of Polymeric Materials, School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, China.

Polymers
|July 2, 2021
PubMed
Summary
This summary is machine-generated.

Stimulus-responsive polypeptoids offer biocompatibility and tunable properties. This review covers their design, actuation, and applications in drug delivery, tissue engineering, and biosensing.

Keywords:
biomaterialspolypeptoidstimulus-responsive

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Area of Science:

  • Polymer Chemistry
  • Biomaterials Science
  • Nanotechnology

Background:

  • Polypeptoids share structural similarities with polypeptides, ensuring low cytotoxicity and high biocompatibility.
  • Their unique side-chain modifiability allows for responsiveness to various external stimuli like heat, pH, light, and ions.

Purpose of the Study:

  • To review recent advancements in stimulus-responsive polypeptoids.
  • To highlight the design principles, actuation mechanisms, and diverse biomedical applications of these advanced materials.

Main Methods:

  • Literature review of recent research on stimulus-responsive polypeptoids.
  • Analysis of structure-property relationships and design strategies.
  • Compilation of applications in drug delivery, tissue engineering, and biosensing.

Main Results:

  • Development of novel stimulus-responsive polypeptoid architectures.
  • Demonstration of controlled actuation in response to specific environmental triggers.
  • Successful application of polypeptoid biomaterials in targeted drug delivery, regenerative medicine, and diagnostic tools.

Conclusions:

  • Stimulus-responsive polypeptoids represent a versatile class of biomaterials with significant potential.
  • Continued research in this field promises innovative solutions for complex biomedical challenges.
  • Their biocompatibility and tunable responsiveness make them ideal for advanced nanomedicine applications.