Antimicrobial and antifungal agents derived from clay minerals

Ohashi, Fumihiko; Ōya, Asao

doi:10.1007/bf01105269

Cited by 15 publications

(9 citation statements)

References 3 publications

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“…As details of preparation of the agents were given in a previous paper, 5) only a brief outline is described below. Na-montmorillonite (trade name Kunipia-F) was provided by Kunimine Ind.…”

Section: Preparation Of Silver-clay Antimicrobial Agents For Porcelainmentioning

confidence: 99%

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Antimicrobial effect of porcelain glaze with silver-clay antimicrobial agent

Yoshida¹,

Abe²,

Taguri³

et al. 2010

J. Ceram. Soc. Japan

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Antimicrobial activities of porcelain glazes with antimicrobial agents made of clay minerals intercalated with silver chelate and the effect of additives to the antimicrobial agents on those activities were investigated. The glazes with 10 mass % antimicrobial agents, fired at 1573 K in a reducing atmosphere, showed negative antimicrobial activities. On the other hand, the antimicrobial activities of the glazes with 110 mass % of the agents fired in an oxidizing atmosphere were positive. The glaze with an agent doped with Zr had a high antimicrobial activity by adding only 0.2 mass % of the agent, which included only 0.008 mass % Ag in the glaze. Wavelength-dispersive X-ray fluorescence, used for ingredient analysis, showed that the negative activity resulted from the disappearance of the Ag in the glaze fired in the reducing atmosphere.

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“…As details of preparation of the agents were given in a previous paper, 5) only a brief outline is described below. Na-montmorillonite (trade name Kunipia-F) was provided by Kunimine Ind.…”

Section: Preparation Of Silver-clay Antimicrobial Agents For Porcelainmentioning

confidence: 99%

“…Recently, an antimicrobial agent derived from montmorillonite intercalated with a Ag chelate of Ag + (TBZ) 2 has been developed. 5),6) The schematic of this antimicrobial agent is shown in Fig. 1.…”

Section: Introductionmentioning

confidence: 99%

Antimicrobial effect of porcelain glaze with silver-clay antimicrobial agent

Yoshida¹,

Abe²,

Taguri³

et al. 2010

J. Ceram. Soc. Japan

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show abstract

“…The antibacterial activity of clay minerals is based on a strong adsorption of toxins produced by 0016-7037/$ -see front matter Ó 2010 Elsevier Ltd. All rights reserved. doi:10.1016/j.gca.2010.08.025 bacteria, on significant reduction of the adhesion of the bacteria to the surface of epithetical cells and on the improved regeneration of epithelium (Fioramonti et al, 1987;Ohashi and Oya, 1992;Schell et al, 1993;Droy-Lefaix and Tateo, 2006). Among the clay minerals, the use of layered 2:1 clay minerals as substrates for the growth of metallic nanoparticles is very convenient.…”

Section: Introductionmentioning

confidence: 98%

Preparation and characterization of antibacterial silver/vermiculites and silver/montmorillonites

Valášková

Hundáková

Kutláková

et al. 2010

Geochimica et Cosmochimica Acta

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“…Clay mineral materials have been used in many areas such as in the removal of heavy metals [2,3], as nanomaterials [4], as antibacterial materials [5][6][7], and in drug carriers [8].…”

Section: Introductionmentioning

confidence: 99%