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Related Concept Videos

Bioplastics01:27

Bioplastics

Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
Polymers02:34

Polymers

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 properties that they exhibit. Additionally,...
Polymers02:34

Polymers

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 properties that they exhibit. Additionally,...
Polymers02:34

Polymers

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 properties that they exhibit. Additionally,...
Amino Acid Catabolism01:18

Amino Acid Catabolism

Microorganisms rely on proteins as an essential carbon and energy source, particularly in environments with limited polysaccharides or lipids. However, proteins are too large to cross the plasma membrane unaided, necessitating enzymatic degradation. Microbes secrete extracellular proteases and peptidases that hydrolyze proteins into peptides, which can then be transported across the membrane. Once inside the cell, intracellular proteases degrade these peptides into free amino acids, which...
Microbial Bioremediation of Plastics01:28

Microbial Bioremediation of Plastics

Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...

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Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer
10:22

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Published on: November 30, 2020

Biodegradable polymers derived from amino acids.

Wahid Khan1, Saravanan Muthupandian, Shady Farah

  • 1Institute of Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, 91120, Israel.

Macromolecular Bioscience
|November 5, 2011
PubMed
Summary
This summary is machine-generated.

Biodegradable polymers from natural amino acids offer enhanced biocompatibility and tunable properties for biomedical uses. These advanced materials show promise for innovative drug delivery and tissue engineering applications.

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Area of Science:

  • Biomaterials Science
  • Polymer Chemistry
  • Biomedical Engineering

Background:

  • Polymeric materials have seen a significant rise in biomedical applications over the last 30 years.
  • Biodegradable polymers derived from alpha-amino acids are being developed as bio-mimicking functional biomaterials.

Purpose of the Study:

  • To review the synthesis, biocompatibility, and biomedical applications of biodegradable polymers derived from natural amino acids.
  • To highlight the advantages and potential of these amino acid-based polymers in advanced biomedical fields.

Main Methods:

  • Literature review focusing on synthesis strategies for alpha-amino acid-derived polymers.
  • Analysis of studies reporting on the biocompatibility and biodegradability of these materials.
  • Exploration of documented biomedical applications and functional modifications.

Main Results:

  • Polymers from alpha-amino acids offer advantages including chemical modifiability for imaging and drug conjugation.
  • These polymers demonstrate improved biological properties such as cell migration, adhesion, and biodegradability.
  • Enhanced mechanical and thermal properties are achievable, with non-toxic degradation products.

Conclusions:

  • Biodegradable polymers derived from alpha-amino acids represent a promising class of advanced biomaterials.
  • These polymers provide multifunctional capabilities with inherent biological activity from amino acid side groups.
  • Significant potential exists for innovative applications in medicine and biotechnology.