Synthesis and Characterization of Silver-Histidine Complex Doped Montmorillonite Antibacterial Agent

Shu’e Duan; Yun Hui Zhai; Ying Juan Qu

doi:10.4028/www.scientific.net/AMR.510.757

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 510Synthesis and Characterization of Silver-Histidine...

Synthesis and Characterization of Silver-Histidine Complex Doped Montmorillonite Antibacterial Agent

Abstract:

In this paper a novel colorless and salt-tolerant silver-histidine complex doped montmorillonite (Na-MMT) antibacterial agent (SHMMT) power was synthesized by ion exchange reaction using silver-histidine complex ion [Ag (his)] ⁺ as precursor, and characterized by atomic absorption spectrophotometer (AAS) and power X-ray diffraction (XRD). The antibacterial activities against Pseudoalteromonas carrageenovora were examined by a modified broth dilution test and the plate counting method. The salt-tolerant property was determined by the antibacterial activities of the sea water soaked SHMMT. The results showed that the Ag loading amount of SHMMT powder reached 1.7mmol/g, far more than the cationic exchange capacity (CEC) of Na-MMT. SHMMT powder had high bacterial activity eventhough it was soaked in the sea water for 30 days. 1

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Periodical:

Advanced Materials Research (Volume 510)

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757-761

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.510.757

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Online since:

April 2012

Authors:

Shu’e Duan, Yun Hui Zhai, Ying Juan Qu

Keywords:

Antimicrobial Activity, Montmorillonite, Salt-Tolerant, Silver-Histidine Complex

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