heated to 90 °C in a concentrated NaOH solution (6 h), then washed
with deionized water (10 h), followed by replacement of the deionized
water with a mixture of deionized water and tert-butanol, and then
freeze-dried to preserve the web-like structure of the bacterial cellulose
in the dry state.
Synthesis of HBCAs. First, different amounts (Table 1) of TMCS
and TEA were mixed with 30 mL dichloromethane in a 100 mL