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Small angle neutron scattering study of the structural modifications induced by the entrapped glucose oxidase in polyacrylamide microgels

Author

Listed:
  • López Cabarcos, E.
  • Rubio Retama, B.J.
  • López Ruiz, B.
  • Heinrich, M.
  • Fernandez Barbero, A.

Abstract

We have investigated, using small angle neutron scattering (SANS), polyacrylamide microgels with 0.25% and 1.5% (w/w) cross-linking percentages. The SANS patterns consist of solution-like concentration fluctuations given by two Lorentz functions and a contribution at low q of the type I(q)∼q−β (q being the scattering vector). Glucose Oxidase was entrapped into microgels with 1.5% cross-linking with the aim to prepare a glucose biosensor. The structural changes induced in the polymer network by the entrapped enzyme are reported.

Suggested Citation

  • López Cabarcos, E. & Rubio Retama, B.J. & López Ruiz, B. & Heinrich, M. & Fernandez Barbero, A., 2004. "Small angle neutron scattering study of the structural modifications induced by the entrapped glucose oxidase in polyacrylamide microgels," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 344(3), pages 417-423.
  • Handle: RePEc:eee:phsmap:v:344:y:2004:i:3:p:417-423
    DOI: 10.1016/j.physa.2004.06.009
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