Gram-negative Escherichia coli promotes deposition of polymer-capped silver nanoparticles in saturated porous media

Author:

Chen Fangmin12345,Yuan Xuemei12346,Song Zefeng1234,Xu Shangping78910,Yang Yuesuo1234ORCID,Yang Xinyao1234ORCID

Affiliation:

1. Key Lab of Eco-restoration of Regional Contaminated Environment (Shenyang University)

2. Ministry of Education

3. Shenyang 110044

4. China

5. Liaoning Provincial Key Lab of Urban Integrated Pest Management and Ecological Security

6. College of Environment

7. Department of Geosciences

8. University of Wisconsin-Milwaukee

9. Milwaukee

10. USA

Abstract

Interaction between the AgNP coating and the cell membrane structure of Gram-negative E. coli reduces both the AgNP–cell affinity and AgNP mobility in porous media, but has little effect on the E. coli mobility. These mechanisms help to protect the bacteria against AgNP.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

General Environmental Science,Materials Science (miscellaneous)

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