Bionanocompositional chitosan-silica sorbent for liquid chromatography

Bionanocompositional chitosan-silica sorbent for liquid chromatography

Preparation of hybrid nanocompositional chitosan/silica sorbent was carried out. It was shown that formation of gel in sol–gel process of hydrolytic polycondensation of tetraethoxysilane (TEOS) with including of chitosan consists of two stages. Suppression of crystallization of chitosan in obtained...

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Veröffentlicht in:Journal of chromatography. B, Analytical technologies in the biomedical and life sciences Analytical technologies in the biomedical and life sciences, 2004-02, Vol.800 (1), p.49-53
Hauptverfasser: Rashidova, S.Sh, Shakarova, D.Sh, Ruzimuradov, O.N, Satubaldieva, D.T, Zalyalieva, S.V, Shpigun, O.A, Varlamov, V.P, Kabulov, B.D
Format: Artikel
Sprache:eng
Schlagworte:
2-Propanol
Absorption
Chitin - analogs & derivatives
Chitin - chemistry
Chitosan
Chromatography, High Pressure Liquid
Drug Compounding
Hexanes
History, Modern 1601
Microspheres
Nanotechnology
Silanes - chemistry
Silica
Silicon Dioxide - chemistry
Solvents
Sorbents
Spectrophotometry, Ultraviolet
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Zusammenfassung:Preparation of hybrid nanocompositional chitosan/silica sorbent was carried out. It was shown that formation of gel in sol–gel process of hydrolytic polycondensation of tetraethoxysilane (TEOS) with including of chitosan consists of two stages. Suppression of crystallization of chitosan in obtained two-phase system and changes in IR spectra are evidenced of interactions between molecules of chitosan and silanol groups of silica network. The resulting hybrid chitosan/silica sorbent was tested by high-performance liquid chromatography (HPLC).
ISSN:1570-0232
1873-376X
DOI:10.1016/j.jchromb.2003.10.015