3. Content of Carbonyl Groups (mmol/g) Estimated via Macro-Scale and Semimicro Scale PAR on SKL, HKL, and OL.

	SKL	HKL	OL
macro-scale	0.53 ± 0.03	0.42 ± 0.03	0.26 ± 0.02
semimicro scale	0.52 ± 0.03	0.43 ± 0.03	0.28 ± 0.02