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Polymers02:34

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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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The nature of light has been a subject of inquiry since antiquity. In the seventeenth century, Isaac Newton performed experiments with lenses and prisms and was able to demonstrate that white light consists of the individual colors of the rainbow combined together. Newton explained his optics findings in terms of a "corpuscular" view of light, in which light was composed of streams of extremely tiny particles traveling at high speeds according to Newton's laws of motion.
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Red and Near-Infrared Light-Cleavable Polymers.

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Red and near-infrared light-cleavable polymers offer a safer alternative to UV-light-cleavable polymers for deep-tissue biomedical applications, overcoming penetration and damage limitations.

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Area of Science:

  • Polymer Chemistry
  • Biomedical Engineering
  • Photochemistry

Background:

  • Photocleavable polymers are crucial for applications like drug delivery and photopatterning.
  • Current UV-light-cleavable polymers face limitations due to poor tissue penetration and potential biological damage.
  • These limitations hinder their use in deep-tissue biomedical applications.

Purpose of the Study:

  • To review red and near-infrared (NIR) light-cleavable polymers.
  • To highlight the potential applications of these advanced polymers.
  • To discuss the current challenges in the field of photocleavable polymers.

Main Methods:

  • Literature review of red and NIR light-cleavable polymers.
  • Analysis of their properties and performance in biomedical contexts.
  • Identification of current research gaps and future directions.

Main Results:

  • Red and NIR light-cleavable polymers demonstrate significant promise for biomedical applications.
  • These polymers overcome the penetration and safety issues associated with UV-light-cleavable materials.
  • The review consolidates current knowledge and identifies areas for further investigation.

Conclusions:

  • Red and NIR light-cleavable polymers represent a significant advancement over traditional UV-cleavable systems.
  • Their unique properties enable safer and more effective deep-tissue biomedical applications.
  • Further research is needed to address existing challenges and fully realize their potential.