Absorbance spectra of different weight ratios of GJM-492 and RBBR covalently immobilised to cellulose layers ((a) 1:1; (b) 1:2; (c) 1:4 and (d) 1:8), both in the protonated acid and deprotonated base form.
Absorbance spectra of different weight ratios of GJM-492 and RBBR covalently immobilised to cellulose layers ((a) 1:1; (b) 1:2; (c) 1:4 and (d) 1:8), both in the protonated acid and deprotonated base form.