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Mater Sci Eng C Mater Biol Appl. 2016 Dec 1;69:1075-80. doi: 10.1016/j.msec.2016.08.017. Epub 2016 Aug 9.

Antibacterial mesoporous molecular sieves modified with polymeric N-halamine.

Author information

1
Key Laboratory of Eco-textiles of Ministry of Education, College of Textiles and Clothing, Jiangnan University, Wuxi, Jiangsu, 214122, China.
2
Key Laboratory of Eco-textiles of Ministry of Education, College of Textiles and Clothing, Jiangnan University, Wuxi, Jiangsu, 214122, China. Electronic address: xhren@jiangnan.edu.cn.
3
The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai 200234, China.

Abstract

In this research, a new kind of porous N-halamine material with high antibacterial efficacies was prepared. Poly [5,5-dimethyl-3-(3'-triethoxysilylpropyl)-hydantoin] (PSPH), an N-halamine precursor, was synthesized and grafted onto the surface of mesoporous molecular sieves (SBA-15). The mesoporous molecular sieves modified with the N-halamine polymer could be rendered biocidal upon exposure to dilute household bleach. The modified mesoporous molecular sieves were characterized by SEM, TEM, FTIR, XPS, TGA, XRD and BET analysis. It was found that the PSPH has been successfully grafted on the surface of mesoporous molecular sieves, and the morphology and structure of the modified mesoporous molecular sieves were slightly affected. The N-halamine modified mesoporous molecular sieves showed excellent antibacterial property, and inactivated 100% of S. aureus and E. coli O157:H7 with 8.05 and 7.92 log reductions within 1min of contact, respectively. The modified SBA-15 with high-antibacterial efficiency has potential application in water treatment and biomaterials areas.

KEYWORDS:

Antibacterial; Mesoporous molecular sieves; N-halamine; Organosilane

PMID:
27612805
DOI:
10.1016/j.msec.2016.08.017
[Indexed for MEDLINE]

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