Protonation of acridine in a hydrated protein matrix
Khurgin, I.I.; Nikitina, A.N.; Timofeeva, I.F.
Biofizika 25(3): 563-564
1980
ISSN/ISBN: 0006-3029 PMID: 6249403 Document Number: 161750
Fluorescence of polycrystalline acridine in the matrix of solid .alpha.-chymotrypsin was studied at different humidities of the atmosphere. The fluorescence was not changed when the mixture was extensively dried. At intermediate and high humidities 2 consecutive processes proceed the solid-state dissolution of acridine crystals in the protein matrix and the capture of protons by dispersed acridine molecules due to the proton transport through H-bound chains of water molecules from the protein proton-donor groups.