Synthesis and Characterization of Zwitterionic SBA-15 Nanostructured Materials

被引：85

作者：

Colilla, Montserrat ^{[1
,2
]}

Izquierdo-Barba, Isabel ^{[1
,2
]}

Sanchez-Salcedo, Sandra ^{[1
,2
]}

Fierro, Jose L. G. ^{[3
]}

Hueso, Jose L. ^{[2
]}

Vallet-Regi, Maria ^{[1
,2
]}

机构：

[1] Univ Complutense Madrid, Fac Farm, Dpto Quim Inorgan & Bioinorgan, E-28040 Madrid, Spain

[2] Networking Res Ctr Bioengn Biomat & Nanomed CIBER, Madrid, Spain

[3] CSIC, Inst Catalisis & Petroleoquim, E-28040 Madrid, Spain

来源：

CHEMISTRY OF MATERIALS | 2010年 / 22卷 / 23期

关键词：

SELF-ASSEMBLED MONOLAYERS; PROTEIN ADSORPTION; MESOPOROUS SILICA; ACID; SPECTROSCOPY; RESISTANCE; CATALYSIS; CARBON; MCM-41; AREA;

D O I：

10.1021/cm102827y

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The synthesis and characterization of novel SBA-15 nanostructured ceramics featuring zwitterionic surfaces have been carried out. The co-condensation route has been employed to bifunctionalize SBA-15 with amine and carboxylic acid groups. The functionalization process following a one-step route does not affect the mesostructural order of SBA-15, as confirmed by XRD and TEM, originating mesoporous matrices with outstanding features suitable for purposes that require host matrices with relatively large mesopores, surface areas, and volumes. The zwitterionic nature of this material has been evidenced by XPS, FTIR, and zeta-potential. Moreover the ultralow-fouling behavior of this zwitterionic ceramic toward the adsorption a model protein has been confirmed. This novel generation of zwitterionic ceramics has great potential application in catalysis, sensing, biotechnology, and biomedicine.

引用

页码：6459 / 6466

页数：8

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