Antimicrobial Effects of Silver Nanoparticles against Bacterial Cells Adhered to Stainless Steel Surfaces
Given the increasing number of antibiotic-resistant bacteria and the need to synthesize new antimicrobials, silver has attracted interest in the scientific community because of its recognized antimicrobial activity. This study aimed to evaluate the antimicrobial effects of silver nanoparticles (NP)...
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| Veröffentlicht in: | Journal of food protection 2012-04, Vol.75 (4), p.701-705 |
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| creator | ARAUJO, Emiliane A ANDRADE, Nélio J DA SILVA, Luis Henrique M BERNARDES, Patricia C TEIXEIRA, Alvaro V. N. de C DE SA, João Paulo N FIALHO, Jose Felicio Q FERNANDES, Patricia E |
| description | Given the increasing number of antibiotic-resistant bacteria and the need to synthesize new antimicrobials, silver has attracted interest in the scientific community because of its recognized antimicrobial activity. This study aimed to evaluate the antimicrobial effects of silver nanoparticles (NP) obtained by a new method and tested at concentrations of 6 μg/ml and 60 μg/ml against the species Staphylococcus aureus, Listeria innocua, Salmonella Choleraesuis, Pseudomonas aeruginosa, Escherichia coli, and Bacillus cereus. The ability of these nanoparticles to remove or kill vegetative cells adhered to stainless steel surfaces was also evaluated. We observed that the NP obtained with the new method, concentrated silver nanoparticles (CNP), and silver nanoparticles with added sodium chloride (NPNaCl) had high antimicrobial activities (P < 0.05). We also verified that the most effective condition for the removal of P. aeruginosa cells on stainless steel coupons (10 by 10 mm) was immersion of the surfaces in CNP. The CNP treatment produced a 5-log reduction of the microbial population after 30 to 60 min of immersion. The CNP treatment also performed better than water and sodium carbonate, a compound commonly applied in clean-in-place procedures in the food industry, in removing adherent B. cereus cells from stainless steel cylinders. Therefore, these results suggest that NP synthesized by a new procedure may be used as antimicrobials in the food industry, for example, for the sanitization of utensils that come into contact with foods. |
| doi_str_mv | 10.4315/0362-028X.JFP-11-276 |
| format | Article |
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N. de C ; DE SA, João Paulo N ; FIALHO, Jose Felicio Q ; FERNANDES, Patricia E</creator><creatorcontrib>ARAUJO, Emiliane A ; ANDRADE, Nélio J ; DA SILVA, Luis Henrique M ; BERNARDES, Patricia C ; TEIXEIRA, Alvaro V. N. de C ; DE SA, João Paulo N ; FIALHO, Jose Felicio Q ; FERNANDES, Patricia E</creatorcontrib><description>Given the increasing number of antibiotic-resistant bacteria and the need to synthesize new antimicrobials, silver has attracted interest in the scientific community because of its recognized antimicrobial activity. This study aimed to evaluate the antimicrobial effects of silver nanoparticles (NP) obtained by a new method and tested at concentrations of 6 μg/ml and 60 μg/ml against the species Staphylococcus aureus, Listeria innocua, Salmonella Choleraesuis, Pseudomonas aeruginosa, Escherichia coli, and Bacillus cereus. The ability of these nanoparticles to remove or kill vegetative cells adhered to stainless steel surfaces was also evaluated. We observed that the NP obtained with the new method, concentrated silver nanoparticles (CNP), and silver nanoparticles with added sodium chloride (NPNaCl) had high antimicrobial activities (P < 0.05). We also verified that the most effective condition for the removal of P. aeruginosa cells on stainless steel coupons (10 by 10 mm) was immersion of the surfaces in CNP. The CNP treatment produced a 5-log reduction of the microbial population after 30 to 60 min of immersion. The CNP treatment also performed better than water and sodium carbonate, a compound commonly applied in clean-in-place procedures in the food industry, in removing adherent B. cereus cells from stainless steel cylinders. Therefore, these results suggest that NP synthesized by a new procedure may be used as antimicrobials in the food industry, for example, for the sanitization of utensils that come into contact with foods.</description><identifier>ISSN: 0362-028X</identifier><identifier>EISSN: 1944-9097</identifier><identifier>DOI: 10.4315/0362-028X.JFP-11-276</identifier><identifier>PMID: 22488058</identifier><identifier>CODEN: JFPRDR</identifier><language>eng</language><publisher>Des Moines, IA: International Association for Food Protection</publisher><subject>Anti-Bacterial Agents - pharmacology ; Antibiotic resistance ; Antibiotics ; Antimicrobial agents ; Bacillus cereus ; Bacteria ; Bacteria - drug effects ; Bacterial Adhesion - drug effects ; Bacterial Physiological Phenomena ; Biological and medical sciences ; Colony Count, Microbial ; Disinfection - methods ; Dose-Response Relationship, Drug ; Drug Resistance, Bacterial ; E coli ; Equipment Contamination - prevention & control ; Escherichia coli ; Food Contamination - prevention & control ; Food industries ; Food microbiology ; Food safety ; Fundamental and applied biological sciences. Psychology ; Humans ; Listeria ; Listeria innocua ; Metal Nanoparticles ; Microorganisms ; Microscopy ; Nanoparticles ; Proteins ; Pseudomonas aeruginosa ; Salmonella ; Salmonella choleraesuis ; Silver ; Silver - pharmacology ; Sodium ; Sodium chloride ; Stainless Steel ; Staphylococcus aureus ; Streptococcus infections ; Surfactants</subject><ispartof>Journal of food protection, 2012-04, Vol.75 (4), p.701-705</ispartof><rights>2015 INIST-CNRS</rights><rights>Copyright Allen Press Publishing Services Apr 2012</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c442t-161afa13fcc7ea374898638a780b019b1ee1ade8e3cd95641e166a3012843b563</citedby><cites>FETCH-LOGICAL-c442t-161afa13fcc7ea374898638a780b019b1ee1ade8e3cd95641e166a3012843b563</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25768140$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22488058$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>ARAUJO, Emiliane A</creatorcontrib><creatorcontrib>ANDRADE, Nélio J</creatorcontrib><creatorcontrib>DA SILVA, Luis Henrique M</creatorcontrib><creatorcontrib>BERNARDES, Patricia C</creatorcontrib><creatorcontrib>TEIXEIRA, Alvaro V. N. de C</creatorcontrib><creatorcontrib>DE SA, João Paulo N</creatorcontrib><creatorcontrib>FIALHO, Jose Felicio Q</creatorcontrib><creatorcontrib>FERNANDES, Patricia E</creatorcontrib><title>Antimicrobial Effects of Silver Nanoparticles against Bacterial Cells Adhered to Stainless Steel Surfaces</title><title>Journal of food protection</title><addtitle>J Food Prot</addtitle><description>Given the increasing number of antibiotic-resistant bacteria and the need to synthesize new antimicrobials, silver has attracted interest in the scientific community because of its recognized antimicrobial activity. This study aimed to evaluate the antimicrobial effects of silver nanoparticles (NP) obtained by a new method and tested at concentrations of 6 μg/ml and 60 μg/ml against the species Staphylococcus aureus, Listeria innocua, Salmonella Choleraesuis, Pseudomonas aeruginosa, Escherichia coli, and Bacillus cereus. The ability of these nanoparticles to remove or kill vegetative cells adhered to stainless steel surfaces was also evaluated. We observed that the NP obtained with the new method, concentrated silver nanoparticles (CNP), and silver nanoparticles with added sodium chloride (NPNaCl) had high antimicrobial activities (P < 0.05). We also verified that the most effective condition for the removal of P. aeruginosa cells on stainless steel coupons (10 by 10 mm) was immersion of the surfaces in CNP. The CNP treatment produced a 5-log reduction of the microbial population after 30 to 60 min of immersion. The CNP treatment also performed better than water and sodium carbonate, a compound commonly applied in clean-in-place procedures in the food industry, in removing adherent B. cereus cells from stainless steel cylinders. Therefore, these results suggest that NP synthesized by a new procedure may be used as antimicrobials in the food industry, for example, for the sanitization of utensils that come into contact with foods.</description><subject>Anti-Bacterial Agents - pharmacology</subject><subject>Antibiotic resistance</subject><subject>Antibiotics</subject><subject>Antimicrobial agents</subject><subject>Bacillus cereus</subject><subject>Bacteria</subject><subject>Bacteria - drug effects</subject><subject>Bacterial Adhesion - drug effects</subject><subject>Bacterial Physiological Phenomena</subject><subject>Biological and medical sciences</subject><subject>Colony Count, Microbial</subject><subject>Disinfection - methods</subject><subject>Dose-Response Relationship, Drug</subject><subject>Drug Resistance, Bacterial</subject><subject>E coli</subject><subject>Equipment Contamination - prevention & control</subject><subject>Escherichia coli</subject><subject>Food Contamination - prevention & control</subject><subject>Food industries</subject><subject>Food microbiology</subject><subject>Food safety</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Listeria</subject><subject>Listeria innocua</subject><subject>Metal Nanoparticles</subject><subject>Microorganisms</subject><subject>Microscopy</subject><subject>Nanoparticles</subject><subject>Proteins</subject><subject>Pseudomonas aeruginosa</subject><subject>Salmonella</subject><subject>Salmonella choleraesuis</subject><subject>Silver</subject><subject>Silver - pharmacology</subject><subject>Sodium</subject><subject>Sodium chloride</subject><subject>Stainless Steel</subject><subject>Staphylococcus aureus</subject><subject>Streptococcus infections</subject><subject>Surfactants</subject><issn>0362-028X</issn><issn>1944-9097</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNpdkVFrFDEUhYModq3-A5EgCL5Mm5tkMpnHdWnVUqqwCr6FO5k7mjI7s00ygv_eLF0r9Cl5-M7h8h3GXoM40wrqc6GMrIS0P86uLr9WAJVszBO2glbrqhVt85StHpAT9iKlWyGEbKV5zk6k1NaK2q5YWE857IKPcxdw5BfDQD4nPg98G8bfFPkNTvMeYw5-pMTxJ4YpZf4BfaZ4SGxoHBNf978oUs_zzLe5IIVN5Uc08u0SB_SUXrJnA46JXh3fU_b98uLb5lN1_eXj5836uvJay1yBARwQ1OB9Q6gabVtrlMXGik5A2wERYE-WlO_b2mggMAaVAGm16mqjTtn7-959nO8WStntQvLlSpxoXpKDIkRIXboK-vYRejsvcSrXudaoIg-kKJC-h4qjlCINbh_DDuOf0uQOS7iDZnfQ7MoSDsCVJUrszbF76XbUP4T-qS_AuyOAyeM4RJx8SP-5ujEWtFB_AQTvkOs</recordid><startdate>20120401</startdate><enddate>20120401</enddate><creator>ARAUJO, Emiliane A</creator><creator>ANDRADE, Nélio J</creator><creator>DA SILVA, Luis Henrique M</creator><creator>BERNARDES, Patricia C</creator><creator>TEIXEIRA, Alvaro V. N. de C</creator><creator>DE SA, João Paulo N</creator><creator>FIALHO, Jose Felicio Q</creator><creator>FERNANDES, Patricia E</creator><general>International Association for Food Protection</general><general>Elsevier Limited</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7RQ</scope><scope>7WY</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>883</scope><scope>88E</scope><scope>88I</scope><scope>8C1</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8FL</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BEZIV</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FRNLG</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K60</scope><scope>K6~</scope><scope>K9.</scope><scope>L.-</scope><scope>M0F</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>PATMY</scope><scope>PQBIZ</scope><scope>PQBZA</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>7QL</scope><scope>7SS</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>20120401</creationdate><title>Antimicrobial Effects of Silver Nanoparticles against Bacterial Cells Adhered to Stainless Steel Surfaces</title><author>ARAUJO, Emiliane A ; ANDRADE, Nélio J ; DA SILVA, Luis Henrique M ; BERNARDES, Patricia C ; TEIXEIRA, Alvaro V. 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Psychology</topic><topic>Humans</topic><topic>Listeria</topic><topic>Listeria innocua</topic><topic>Metal Nanoparticles</topic><topic>Microorganisms</topic><topic>Microscopy</topic><topic>Nanoparticles</topic><topic>Proteins</topic><topic>Pseudomonas aeruginosa</topic><topic>Salmonella</topic><topic>Salmonella choleraesuis</topic><topic>Silver</topic><topic>Silver - pharmacology</topic><topic>Sodium</topic><topic>Sodium chloride</topic><topic>Stainless Steel</topic><topic>Staphylococcus aureus</topic><topic>Streptococcus infections</topic><topic>Surfactants</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>ARAUJO, Emiliane A</creatorcontrib><creatorcontrib>ANDRADE, Nélio J</creatorcontrib><creatorcontrib>DA SILVA, Luis Henrique M</creatorcontrib><creatorcontrib>BERNARDES, Patricia C</creatorcontrib><creatorcontrib>TEIXEIRA, Alvaro V. 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N. de C</au><au>DE SA, João Paulo N</au><au>FIALHO, Jose Felicio Q</au><au>FERNANDES, Patricia E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Antimicrobial Effects of Silver Nanoparticles against Bacterial Cells Adhered to Stainless Steel Surfaces</atitle><jtitle>Journal of food protection</jtitle><addtitle>J Food Prot</addtitle><date>2012-04-01</date><risdate>2012</risdate><volume>75</volume><issue>4</issue><spage>701</spage><epage>705</epage><pages>701-705</pages><issn>0362-028X</issn><eissn>1944-9097</eissn><coden>JFPRDR</coden><abstract>Given the increasing number of antibiotic-resistant bacteria and the need to synthesize new antimicrobials, silver has attracted interest in the scientific community because of its recognized antimicrobial activity. This study aimed to evaluate the antimicrobial effects of silver nanoparticles (NP) obtained by a new method and tested at concentrations of 6 μg/ml and 60 μg/ml against the species Staphylococcus aureus, Listeria innocua, Salmonella Choleraesuis, Pseudomonas aeruginosa, Escherichia coli, and Bacillus cereus. The ability of these nanoparticles to remove or kill vegetative cells adhered to stainless steel surfaces was also evaluated. We observed that the NP obtained with the new method, concentrated silver nanoparticles (CNP), and silver nanoparticles with added sodium chloride (NPNaCl) had high antimicrobial activities (P < 0.05). We also verified that the most effective condition for the removal of P. aeruginosa cells on stainless steel coupons (10 by 10 mm) was immersion of the surfaces in CNP. The CNP treatment produced a 5-log reduction of the microbial population after 30 to 60 min of immersion. The CNP treatment also performed better than water and sodium carbonate, a compound commonly applied in clean-in-place procedures in the food industry, in removing adherent B. cereus cells from stainless steel cylinders. Therefore, these results suggest that NP synthesized by a new procedure may be used as antimicrobials in the food industry, for example, for the sanitization of utensils that come into contact with foods.</abstract><cop>Des Moines, IA</cop><pub>International Association for Food Protection</pub><pmid>22488058</pmid><doi>10.4315/0362-028X.JFP-11-276</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of food protection, 2012-04, Vol.75 (4), p.701-705 |
| issn | 0362-028X 1944-9097 |
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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection |
| subjects | Anti-Bacterial Agents - pharmacology Antibiotic resistance Antibiotics Antimicrobial agents Bacillus cereus Bacteria Bacteria - drug effects Bacterial Adhesion - drug effects Bacterial Physiological Phenomena Biological and medical sciences Colony Count, Microbial Disinfection - methods Dose-Response Relationship, Drug Drug Resistance, Bacterial E coli Equipment Contamination - prevention & control Escherichia coli Food Contamination - prevention & control Food industries Food microbiology Food safety Fundamental and applied biological sciences. Psychology Humans Listeria Listeria innocua Metal Nanoparticles Microorganisms Microscopy Nanoparticles Proteins Pseudomonas aeruginosa Salmonella Salmonella choleraesuis Silver Silver - pharmacology Sodium Sodium chloride Stainless Steel Staphylococcus aureus Streptococcus infections Surfactants |
| title | Antimicrobial Effects of Silver Nanoparticles against Bacterial Cells Adhered to Stainless Steel Surfaces |
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