Enzymatic surface modification and functionalization of PET: a water contact angle, FTIR, and fluorescence spectroscopy study.

  title={Enzymatic surface modification and functionalization of PET: a water contact angle, FTIR, and fluorescence spectroscopy study.},
  author={Ilaria Donelli and Paola Taddei and Philippe F. Smet and Dirk Poelman and Vincent Adriaan Nierstrasz and Giuliano Freddi},
  journal={Biotechnology and bioengineering},
  volume={103 5},
The purpose of this study was to investigate the changes induced by a lypolytic enzyme on the surface properties of polyethylene terephthalate (PET). Changes in surface hydrophilicity were monitored by means of water contact angle (WCA) measurements. Fourier Transform Infrared spectroscopy (FTIR) in the Attenuated Total Reflectance mode (ATR) was used to investigate the structural and conformational changes of the ethylene glycol and benzene moieties of PET. Amorphous and crystalline PET… CONTINUE READING
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