Nanostructured silver vanadate as a promising antibacterial additive to water-based paints

Holtz, Raphael Dias; Lima, Bruna A.; Filho, A. G. Souza; Brocchi, Marcelo; Alves, Oswaldo Luiz

doi:10.1016/j.nano.2011.11.012

Cited by 153 publications

(138 citation statements)

References 32 publications

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“…The Raman bands at 383 and 334 cm -1 can be assigned to the asymmetric deformation modes of the VO 4 3-tetrahedron. 9,10,14,46 These peaks along with those located at 272, 246, 226, 161 and 121 cm -1 clearly indicate the β-AgVO 3 structure, similar to that of the channel-structured silver vanadate reported in literature 9,44,46 .…”

Section: Introductionsupporting

confidence: 83%

An Experimental and Computational Study of β-AgVO₃: Optical Properties and Formation of Ag Nanoparticles

et al. 2016

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Section: Introductionsupporting

confidence: 83%

An Experimental and Computational Study of β-AgVO₃: Optical Properties and Formation of Ag Nanoparticles

et al. 2016

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“…The antimicrobial properties of silver nanoparticles (AgNPs) are known (8)(9)(10). Bactericidal action takes place through their interaction with the thiol groups of enzymes in the metabolism of the bacterial cell, causing cell death; however, AgNPs are thermodynamically unstable and tend to agglomerate (9)(10)(11).…”

Section: Highlightsmentioning

confidence: 99%

Incorporating Antimicrobial Nanomaterial and its Effect on the Antimicrobial Activity, Flow and Radiopacity of Endodontic Sealers

Teixeira¹,

Vidal²,

CASTRO³

et al. 2017

Eur Endod J

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Objective: This preliminary study aimed to evaluate the antimicrobial activity, flow and radiopacity of endodontic sealers with nanostructured silver vanadate decorated with silver nanoparticles (AgVO3). Methods:The minimum inhibitory concentration (MIC) of AgVO3 was evaluated against Enterococcus faecalis, Pseudomonas aeruginosa and Escherichia coli. Specimens were prepared from the following endodontic sealers: AH Plus (DENTSPLY DeTrey GmbH, Konstanz, Germany), Sealapex (Sybron Endo, Orange, CA, USA), Sealer 26 (DENTSPLY, Petrópolis, Brazil) and Endofill (DENTSPLY, Petrópolis, Brazil), with concentrations of 0%, 2.5%, 5% and 10% of AgVO3. Agar diffusion was used to evaluate the materials after 48 hours and 7 days (n=6). Flow (n=6) and radiopacity (n=9) were evaluated. The data were analysed by analysis of variance (ANOVA) and the Tukey honestly significant difference (HSD) (α=0.05). Results: The MIC of AgVO3 was 500 µg/mL for E. faecalis and 31.25 µg/mL for P. aeruginosa and E. coli. The AgVO3 did not influence the antimicrobial activity of AH Plus against E. faecalis (P>0.05) but did promote this activity for Sealapex (P<0.01). Moreover, this activity increased for Endofill from 2.5% and for Sealer 26 from 5% (P<0.05). Against P. aeruginosa, only AH Plus and Endofill 10% inhibited zone formation (P<0.01). The antimicrobial activity of Endofill increased from 2.5% against E. coli (P<0.01). Sealapex 5% and 10% (P<0.01), Sealer 26 10% and AH Plus promoted antimicrobial activity against E. coli. An increase in the zone of inhibition occurred between 48 hours and 7 days in the Sealapex 10% and Endofill 5% groups against E. coli. The flow of AH Plus and Endofill decreased with the increase of AgVO3 (P<0.05), and the flow of Sealer 26 and Sealapex was not affected (P>0.05). The radiopacity of AH Plus increased with AgVO3 (P<0.05). Endofill 5% and 10% did not differ from the control Endofill (P>0.05). The incorporation of AgVO3 did not influence the radiopacity of Sealer 26 (P>0.05). The incorporation of 2.5% and 5% AgVO3 reduced the radiopacity of Sealapex (P<0.05). Conclusion: Adding AgVO3 may increase the antimicrobial effect of endodontic sealers without major changes in their physicochemical properties.

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“…In the current study, composite materials containing various concentrations of silver and zinc zeolites are (Holtz et al, 2012). Another study indicated that stainless steel surfaces coated with paints containing a silver and zinc zeolite showed profound antimicrobial activity against Bacillus spp.…”

Section: Resultsmentioning

confidence: 85%

Development of durable antimicrobial surfaces containing silver- and zinc-ion–exchanged zeolites

İyigündoğdu¹,

Demirci²,

Baç³

et al. 2014

Turk J Biol

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The present work involves development of stable antimicrobial materials containing silver-and zinc-ion-exchanged zeolites. Faujasite X and Linde type A zeolites were synthesized, and following ion exchange with Ag + and Zn ++ ions they were found to exhibit antimicrobial effects against bacteria (E. coli, P. aeruginosa, and S. aureus), yeast (C. albicans and C. glabrata), and fungi (A. niger and P. expansum). Zeolites-X and -A containing silver and zinc ions were then mixed with various coating materials, including paints and polypropylene, to develop antimicrobial composites. The long-term antimicrobial characteristics of zeolite-containing composite materials were investigated by inoculating selected microorganisms onto the surface of the materials. The results indicated that the higher the zeolite concentration present in the composite, the more long-term antimicrobial activity was achieved. Silver-ion-exchanged zeolites were more effective against bacterial and candidal species, while zinc zeolites exhibited noticeable antifungal properties. Materials manufactured with metal-ion-exchanged zeolites would prevent microbial growth on surfaces, reducing cross-contamination and infection risk as well as the microbial degradation of products.

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Nanostructured silver vanadate as a promising antibacterial additive to water-based paints

Cited by 153 publications

References 32 publications

An Experimental and Computational Study of β-AgVO₃: Optical Properties and Formation of Ag Nanoparticles

An Experimental and Computational Study of β-AgVO₃: Optical Properties and Formation of Ag Nanoparticles

Incorporating Antimicrobial Nanomaterial and its Effect on the Antimicrobial Activity, Flow and Radiopacity of Endodontic Sealers

Development of durable antimicrobial surfaces containing silver- and zinc-ion–exchanged zeolites

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Nanostructured silver vanadate as a promising antibacterial additive to water-based paints

Cited by 153 publications

References 32 publications

An Experimental and Computational Study of β-AgVO3: Optical Properties and Formation of Ag Nanoparticles

An Experimental and Computational Study of β-AgVO3: Optical Properties and Formation of Ag Nanoparticles

Incorporating Antimicrobial Nanomaterial and its Effect on the Antimicrobial Activity, Flow and Radiopacity of Endodontic Sealers

Development of durable antimicrobial surfaces containing silver- and zinc-ion–exchanged zeolites

Contact Info

Product

Resources

About

An Experimental and Computational Study of β-AgVO₃: Optical Properties and Formation of Ag Nanoparticles

An Experimental and Computational Study of β-AgVO₃: Optical Properties and Formation of Ag Nanoparticles