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The conversion of alkenes to macromolecules called polymers is a reaction of high commercial importance. The structure of the polymer is defined by a repeating unit, while the terminal groups are considered insignificant. The average degree of polymerization represents the number of repeating units in the polymer molecule and is denoted by the subscript n.
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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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Gas-Responsive and Gas-Releasing Polymer Assemblies.

Cuiqin Yang1, Gui-Fang Mu1, Xin Liang1

  • 1State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, No.220, Handan Rd., Shanghai, 200433, China.

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|May 15, 2024
PubMed
Summary
This summary is machine-generated.

Chemists developed gas-responsive and gas-releasing polymers to study gasotransmitters in vivo. These polymers enable advanced bio-imaging, nanodelivery, and theranostics by controlling gas release and self-assembly.

Keywords:
gas signaling moleculesgas-releasing polymergas-responsive polymerpolymer assembliesself-assembly

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Area of Science:

  • Polymer Chemistry
  • Biomaterials Science
  • Chemical Biology

Background:

  • Gas signaling molecules and gasotransmitters play crucial physiological roles in vivo.
  • Understanding these roles requires tools to monitor and control gas levels within biological systems.
  • Existing chemical approaches are limited in their ability to dynamically interact with cellular environments.

Purpose of the Study:

  • To review the design principles of gas-responsive and gas-releasing polymers.
  • To explore how polymer structure influences self-assembled morphology and function.
  • To discuss the applications and future challenges of these advanced materials.

Main Methods:

  • Summarizing the fundamental design rationale of gas-responsive polymers.
  • Analyzing structure-property relationships in gas-releasing polymers.
  • Reviewing self-assembled morphology transitions upon gas response or release.

Main Results:

  • Gas-responsive polymers can monitor changes in the cellular environment.
  • Gas-releasing polymers can orchestrate controlled gas delivery.
  • Distinct transitions in self-assembled morphology are observed based on polymer design and gas interaction.

Conclusions:

  • Engineered polymers offer unique capabilities for studying gasotransmitters in vivo.
  • These polymers significantly advance bio-imaging, nanodelivery, and theranostics.
  • Further research is needed to address emerging challenges in the field.