Search results for "Protein-matrix coupling"

showing 2 items of 2 documents

Thermal Behavior of dry and hydrated MbCO crowded systems

2009

Crowding carboxymyoglobin protein-matrix coupling FTIR
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A FTIR study on low hydration saccharide amorphous matrices: Thermal behaviour of the Water Association Band

2011

Abstract We report a study on the thermal behaviour of the infrared Water Association Band (WAB) in dry binary saccharide–water systems (containing trehalose, sucrose, maltose, and raffinose). This is a follow-up of preceding studies on analogous carboxymyoglobin-saccharide–water ternary systems, which pointed out a mutual protein-matrix influence (coupling). A comparison between binary and ternary systems, for all the saccharides studied, evidences a reduction in the residual water content in the latter and, except for trehalose, a sizable modification in the thermal behaviour, which is discussed in terms of structure and hydrogen bonding properties of the sugars. The study allowed us also…

Water Association BandHydrogen bondChemistryInfraredProtein-matrix couplingCondensed Matter PhysicsTrehaloseSpectral lineSettore FIS/07 - Fisica Applicata(Beni Culturali Ambientali Biol.e Medicin)Electronic Optical and Magnetic MaterialsAmorphous solidCrystallographychemistry.chemical_compoundSaccharideFTIRThermalMaterials ChemistryCeramics and CompositesPhysical chemistryFourier transform infrared spectroscopyTernary operationSettore CHIM/02 - Chimica Fisica
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