Abstract

<abstract> <bold>Abstract.</bold> The crystal structure of cellulose plays an important role in its use as a feedstock for nanomaterials and energy production. Fluorescent brightener 28 (FB28) has been shown to disrupt the crystallization of forming cellulose using bacterial cellulose (BC, produced by Gluconacetobacter xylinus) as a model system. In previous study, the structure of BC was investigated under the influence of brilliant yellow (BY), fluorescent brightener 28 (FB28) or Pontamine fast scarlet 4B (S4B) under static cultivation condition and previous data shows that BY more efficiently disrupts the crystalline structure of cellulose. Â This may be due to the planar shape of BY molecules. To better understand the interaction mechanism between brilliant yellow and cellulose microfibrils, a binding study was performed using CF 11 as cellulose model system. Preliminary results shows the binding efficiency of FB 28 on the cellulose substrate CF 11 is much higher than that of BY.

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