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High-throughput Synthesis of Carbohydrates and Functionalization of Polyanhydride Nanoparticles
14:37

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Published on: July 6, 2012

Biocompatible functionalisation of starch.

Apostolos Alissandratos1, Nina Baudendistel, Bernhard Hauer

  • 1WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, Thomas Graham Building, 295 Cathedral Street, Glasgow, G1 1XL, UK.

Chemical Communications (Cambridge, England)
|November 25, 2010
PubMed
Summary
This summary is machine-generated.

Enzyme-catalyzed esterification creates starch with terminal triple bonds. This modified starch serves as a versatile acceptor for azide-containing molecules via click chemistry, enabling functionalization.

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Bridging the Bio-Electronic Interface with Biofabrication
16:38

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Published on: June 6, 2012

Area of Science:

  • Bioconjugation Chemistry
  • Carbohydrate Chemistry
  • Polymer Science

Background:

  • Starch is a readily available biopolymer with potential for chemical modification.
  • Click chemistry, specifically azide-alkyne cycloaddition, offers efficient and specific molecular ligation.
  • Developing novel bioconjugation strategies is crucial for creating advanced functional materials.

Purpose of the Study:

  • To describe the enzyme-catalyzed esterification of starch with fatty acids bearing terminal alkyne groups.
  • To demonstrate the utility of the resulting alkyne-functionalized starch as a substrate for azide-alkyne cycloaddition.
  • To illustrate the potential of this method for creating functionalized starch derivatives.

Main Methods:

  • Enzyme-catalyzed esterification reaction between starch and fatty acids with terminal triple bonds.
  • Azide-alkyne cycloaddition (click chemistry) for conjugating azide-containing molecules to the modified starch.
  • Production and characterization of fluorescently-labelled and biotinylated starch derivatives.

Main Results:

  • Successfully synthesized starch derivatives functionalized with terminal alkyne groups using enzymatic catalysis.
  • Demonstrated the efficient conjugation of azide-containing molecules to the alkyne-modified starch via click chemistry.
  • Produced fluorescently-labelled starch for imaging applications and biotinylated starch for streptavidin binding.

Conclusions:

  • Enzymatic esterification provides a green and efficient route to alkyne-functionalized starch.
  • The alkyne-starch derivatives are versatile platforms for bioconjugation via click chemistry.
  • This approach enables the facile production of tailored starch-based materials for various applications.