Physicochemical and chromatographic evaluation of benzhydrylamine-resin as an anion exchanger solid support

Date
2003-07-31Author
Carvalho, Regina Siqueira Haddad [UNIFESP]
Nakaie, Clovis Ryuichi [UNIFESP]
Silva, Elias Horacio da [UNIFESP]
Santos, Isabel Anunciacao Neves dos [UNIFESP]
Dietrich, Carl Peter von [UNIFESP]
Nader, Helena Bonciani [UNIFESP]
Tersariol, Ivarne Luis dos Santos [UNIFESP]
Type
ArtigoISSN
0165-022XIs part of
Journal of Biochemical and Biophysical MethodsDOI
10.1016/S0165-022X(03)00104-0Metadata
Show full item recordAbstract
Benzhydrylamine-resin (BHAR), a copolymer of styrene-divinylbenzene containing phenylmethylamine groups, used as solid support for peptide synthesis, was examined regarding physicochemical and anion exchanger chromatographic properties. the greater the ionic strength of the medium the poorer the solvation of beads. This effect is less pronounced the higher the amino group content of BHAR. the BHAR chromatographic behavior was compared with commercial cationic resins in columns of constant cation binding capacity. Three negatively charged heparan sulfate disaccharides were successfully purified in a 2.4 mmol/g BHAR that showed as good or better anion exchange performance than classical tertiary or quaternary amino group-containing resins. the BHAR chromatographic resin exclusion limit was estimated to be 30 kDa based on purification experiments of heparins of different molecular weight. (C) 2003 Elsevier Science B.V. All rights reserved.
Citation
Journal of Biochemical and Biophysical Methods. Amsterdam: Elsevier B.V., v. 57, n. 1, p. 75-83, 2003.Keywords
Ion exchanger chromatographyPolymer
Disaccharide
Benzhydrylamine-resin
Benzydrylamine
Peptide
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- EPM - Artigos [16303]
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