Bimodal silica's synthesis and performances of adsorbing biomacromolecules
Bimodal silica materials with ordered smaller mesopores and aggregated larger meso/macropores were synthesized based on phase separation and sol-gel transition by using cetyltrimethylammonium bro-mide as ordered mesopore template and phase separation inducer.The result showed that using the bimod-al silica to adsorb model biomacromolecules,the adsorption amount was significantly higher than that of unimodal MCM-41,showing the advantages of the bimodal silica in adsorbing macromolecules.
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