... Experimental conditions: 5 cm)1resolution;441.6 nm excitation wavelength; concentration of 50 lM,10s⁄0.5 cm)1collection interval, 20 mW laser power at the sample(wild type, pH 6.8); concentration ... cm)1collec-tion interval, 20 mW laser power at the sample (T171S, pH 6.8);concentration of 40 lM,26s⁄ 0.5 cm)1collection interval, 20 mW laser power at the sample (T171S, pH 8.9); concentration of ... cm)1collection interval, 20 mW laser power at the sample(F221M, pH 6.8); concentration of 40 lM,12s⁄ 0.5 cm)1collectioninterval, 30 mW laser power at the sample (Ca-depleted, pH 6.8). Selective effects...