2012
DOI: 10.1016/j.cej.2012.03.059
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Bi-porous bioinspired chitosan foams with layered structure and their adsorption for xylenol orange

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Cited by 24 publications
(12 citation statements)
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“…Formaldehyde makes the simplest imine,-NH = CH 2 ,w hich reacts with another NH 2 group to form ac ross-linking methylene bridge,-NHÀCH 2 ÀNH-. [28][29][30][31][32][33][34][35][36][37][38][39] Dialdehydes such as glutaraldehyde, [29,[40][41][42][43][44][45][46][47][48][49][50][51][52][53][54][55] glyoxal, [29,56,57] and 2,6-pyridinedicarboxaldehyde [58] are also common cross-linkers.G lutaraldehyde is also known as af ixation agent for biological tissues and is used not only as ag elation agent for chitosan but also as ap ost-gelation cross-linker to improve mechanical stability. [59][60][61][62][63][64] Oxidized polysaccharides such as dextran [52] and cellulose [65] also have multiple aldehydes per polymer chain, which enables Schiff base cross-linking of chitosan.…”
Section: Chemical Cross-linkingmentioning
confidence: 99%
“…Formaldehyde makes the simplest imine,-NH = CH 2 ,w hich reacts with another NH 2 group to form ac ross-linking methylene bridge,-NHÀCH 2 ÀNH-. [28][29][30][31][32][33][34][35][36][37][38][39] Dialdehydes such as glutaraldehyde, [29,[40][41][42][43][44][45][46][47][48][49][50][51][52][53][54][55] glyoxal, [29,56,57] and 2,6-pyridinedicarboxaldehyde [58] are also common cross-linkers.G lutaraldehyde is also known as af ixation agent for biological tissues and is used not only as ag elation agent for chitosan but also as ap ost-gelation cross-linker to improve mechanical stability. [59][60][61][62][63][64] Oxidized polysaccharides such as dextran [52] and cellulose [65] also have multiple aldehydes per polymer chain, which enables Schiff base cross-linking of chitosan.…”
Section: Chemical Cross-linkingmentioning
confidence: 99%
“…Formaldehyd führt zum einfachsten Amin -NH = CH 2 ,das mit einer weiteren NH 2 -Gruppe eine vernetzende Methylenbrücke -NH-CH 2 -NH-bildet. [28][29][30][31][32][33][34][35][36][37][38][39] Dialdehyde wie Glutaraldehyd, [29,[40][41][42][43][44][45][46][47][48][49][50][51][52][53][54][55] Glyoxal [29,56,57] und 2,6-Pyridindicarbaldehyd [58] sind ebenfalls gebräuchliche Vernetzer.G lutaraldehyd ist zudem als Fixierungsmittel fürb iologische Gewebe bekannt und wird nicht nur als Gelierungsmittel fürChitosan, sondern auch als Vernetzer nach der Gelierung zur Verbesserung der mechanischen Stabilitäte ingesetzt. [59][60][61][62][63][64] Oxidierte Polysaccharide wie Dextran [52] und Cellulose [65] weisen ebenfalls mehrere Aldehydfunktionen pro Polymerkette auf,s odass eine Schiff-Basen-Vernetzung von Chitosan mçglich ist.…”
Section: Chemische Vernetzungunclassified
“…Formel Vorgeschlagene vernetzende Bindung Formaldehyd [28][29][30][31][32][33][34][35][36][37][38][39] -NH-CH 2 -NH-Glutaraldehyd [29,[40][41][42][43][44][45][46][47][48][49][50][51][52][53][54][55] -N=CH-Glyoxal [29,56,57] -N=CH-2,6-Pyridindicarbaldehyd [58] -N=CH-Oxidierte Polysaccharide z. B.…”
Section: Vernetzerunclassified
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“…In order to understand the adsorption mechanism, the rate-controlling steps may affect the adsorption kinetics, the intra-particle diffusion was defined as follows [27]:…”
Section: Intra-particle Diffusion Modelmentioning
confidence: 99%