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. 2021 Jul 14;9:697310. doi: 10.3389/fbioe.2021.697310

FIGURE 3.

FIGURE 3

Changes in fluorescence during laccase catalyzed coupling of FP onto LS at a temperature of 23°C, addition of 1% (w/v) FP and at different pH conditions. (Upper left) Blank sample (LS without enzyme, FP added after 30 min; light purple dots) and POLY + FP sample (LS + MtL, FP added in the end of the reaction after 150 min; dark purple dots). (Upper right) Control sample (LS + MtL, without FP added; dark red dots) and modified sample (LS + MtL, addition of FP after 30 min; light red dots) at pH 5. (Lower left) Control sample (darkt green dots) and modified sample (light green dots) at pH 7. (Lower right) Control sample (dark blue dots) and modified sample (light blue dots) at pH 8.