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Experimental studies of proton transport in hydrated lysozyme and α‐cyclodextrin
Author(s) -
Morgan Hywel,
Pethig Ronald
Publication year - 1984
Publication title -
international journal of quantum chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.484
H-Index - 105
eISSN - 1097-461X
pISSN - 0020-7608
DOI - 10.1002/qua.560260722
Subject(s) - lysozyme , conductivity , chemistry , cyclodextrin , proton , hydrogen bond , deuterium , mass spectrometry , ion , microprobe , hydrate , proton transport , analytical chemistry (journal) , membrane , molecule , chromatography , organic chemistry , mineralogy , biochemistry , physics , quantum mechanics
The transport of deuterium ions in α‐cyclodextrin has been monitored using a mass spectrometer to show how the protonic conductivity varies with the extent of water‐based hydrogen bond networks in the cyclodextrin hydrate. By means of mass‐spectrometric and microprobe analysis measurements it has been possible to distinguish between ionic and protonic conductivity in hydrated lysozyme, and further details have been obtained concerning the physical origins of the low frequency dielectric dispersions (the so‐called α and Ω dispersions) exhibited by hydrated protein powders.