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August 22, 2005Macromolecular Rapid Communications

Enzymatic Degradation of Poly(ethylene terephthalate): Rapid Hydrolyse using a Hydrolase from T. fusca

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Authors

RMRolf‐Joachim MüllerGoethe University FrankfurtHSHedwig SchraderHelmholtz Centre for Infection ResearchJPJörn ProfeJustus-Liebig-Universität Gießen

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Implication

In vitro experimental study demonstrates rapid depolymerization of poly(ethylene terephthalate) by Thermobifida fusca hydrolase at 55 °C, indicating potential for biological plastic recycling.

Key Points

  • Investigate the capacity of a hydrolase from the actinomycete Thermobifida fusca to degrade and depolymerize poly(ethylene terephthalate) (PET).
  • Incubated PET with a hydrolase from Thermobifida fusca at 55 °C to measure polymer erosion rates.
  • Tested comparative degradation using lipases from Pseudomonas sp. and Candida antarctica, assessing the roles of polymer crystallinity, melting point, and glass transition temperature.
  • Thermobifida fusca hydrolase achieved PET surface erosion rates of 8 to 17 µm per week at 55 °C.
  • Lipases from Pseudomonas sp. and Candida antarctica exhibited no detectable degradation of PET under identical incubation conditions.

Cite This Study

Müller et al. (2005) studied this question.

synapsesocial.com/papers/69d83f4aa2a48916bbbef8c6https://doi.org/10.1002/marc.200500410
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