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Ternary complexes in gels from agarose and from chemically‐modified agarose
Author(s) -
Guenet JeanMichel,
Dahmani Mohammed,
Ramzi Mohamed,
Rochas Cyrille
Publication year - 2001
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/1521-3900(200103)166:1<139::aid-masy139>3.0.co;2-n
Subject(s) - formamide , agarose , ternary operation , hydrogen bond , aqueous solution , chemistry , ternary complex , polymer chemistry , chemical engineering , organic chemistry , chromatography , molecule , enzyme , computer science , engineering , programming language
Thermodynamic data and mechanical measurements are shown for gels prepared in aqueous binary solvents (water/DMSO, water/DMF, water/methyl formamide and water/formamide). When electrostatic interactions, as opposed to hydrogen bonding, can be established with the cosolvent (DMSO, DMF, methyl formamide) we come to the conclusion that ternary complexes are formed ( agarose/water/cosolvent ). In the case of chemically‐modified agarose (OH groups replaced by OCH 3 groups) we suggest that these cosolvents are directly involved in the formation of the gel.