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Related Concept Videos

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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Memory is categorized into three major systems: sensory memory, short-term memory (STM), and long-term memory (LTM). These systems differ in their capacity and the duration for which they can hold information. Sensory memory captures raw sensory input from the environment, holding it for just a few seconds or less. For example, on hearing a brief, loud sound, like a car horn honking, the sound seems to linger in the mind for a moment even after it stops. This is an instance of sensory memory...
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Shape Memory Polymers for Active Cell Culture
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Shape memory polymers and their composites in biomedical applications.

Wei Zhao1, Liwu Liu1, Fenghua Zhang2

  • 1Department of Astronautical Science and Mechanics, Harbin Institute of Technology (HIT), P.O. Box 301, No. 92 West Dazhi Street, Harbin 150001, People's Republic of China.

Materials Science & Engineering. C, Materials for Biological Applications
|January 26, 2019
PubMed
Summary
This summary is machine-generated.

Shape memory polymers (SMPs) are smart materials with shape memory effects, useful for medical devices. This review covers their biomedical applications and actuation methods for minimally invasive surgery.

Keywords:
Actuation methodsBiomedical and potential applicationsBiomedical shape memory polymerShape memory polymer composite

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Area of Science:

  • Biomaterials Science
  • Polymer Science
  • Medical Device Engineering

Background:

  • Shape memory polymers (SMPs) are intelligent materials known for their shape memory effect, deformability, and biocompatibility.
  • SMPs offer unique advantages for medical applications, enabling minimally invasive procedures.

Purpose of the Study:

  • To review the utilization of SMPs in biomedical applications.
  • To summarize various actuation methods for SMPs in medical devices.
  • To highlight current and potential applications of SMPs in healthcare.

Main Methods:

  • Literature review of scientific publications on SMPs in biomedical fields.
  • Categorization of SMPs based on their properties and actuation mechanisms.
  • Summary of existing and prospective medical applications.

Main Results:

  • SMPs are suitable for tissue engineering, biological sutures, stents, and bladder sensors.
  • The shape memory effect allows for implantation in a contracted state and recovery at the target site.
  • Diverse actuation methods exist for controlling SMP behavior in vivo.

Conclusions:

  • SMPs hold significant promise for advancing medical device technology.
  • Further research into SMP actuation and biocompatibility can expand their clinical use.
  • SMP-based devices can enhance the efficacy and patient experience in various medical interventions.