Nano-structured cellulose nanocrystals-xyloglucan multilayered films for the detection of cellulase activityA. Guyomard-Lack, C. Cerclier, N. Beury, B. Jean, F. Cousin, C. Moreau and B. CathalaEur. Phys. J. Special Topics, 213 (2012) 291-294DOI: https://doi.org/10.1140/epjst/e2012-01676-1