TABLE 1.

Results of XPS analyses of the laccase catalyzed coupling of FP onto LS.

Sample	at.% C	STD	at.% O	STD	at.% F	STD	O/C ratio	F/C ratio
Control	72.4	0.9	23.8	0.9	–	–	0.33	–
Control wa	69.2	0.5	26.6	0.1	–	–	0.38	–
Laccase 23°C 1% FP	74.2	1.3	19.2	0.5	2.5	0.1	0.26	0.033
Laccase 23°C 1% FP wa	71.3	0.1	23.5	0.1	1.9	0.2	0.33	0.026

The results are shown in atom percent (at.%). ^aw, washed samples.