Fabrication of porous chitosan films impregnated with silver nanoparticles: A facile approach for superior antibacterial application
The present investigation involves the synthesis of porous chitosan–silver nanocomposite films in view of their increasing areas of application in wound dressing, antibacterial application, and water purification. The entire process consists of three-steps including silver ion-poly(ethylene glycol)...
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| Veröffentlicht in: | Colloids and surfaces, B, Biointerfaces B, Biointerfaces, 2010-03, Vol.76 (1), p.248-258 |
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| creator | Vimala, K. Mohan, Y. Murali Sivudu, K. Samba Varaprasad, K. Ravindra, S. Reddy, N. Narayana Padma, Y. Sreedhar, B. MohanaRaju, K. |
| description | The present investigation involves the synthesis of porous chitosan–silver nanocomposite films in view of their increasing areas of application in wound dressing, antibacterial application, and water purification. The entire process consists of three-steps including silver ion-poly(ethylene glycol) matrix preparation, addition of chitosan matrix, and removal of poly(ethylene glycol) from the film matrix. Uniform porous and brown colour chitosan films impregnated with silver nanoparticles (AgNPs) were successfully fabricated by this facile approach. Both, poly(ethylene glycol) (PEG) and chitosan (CS) played vital roles in the reduction of metal ions into nanoparticles (NPs) as well as provided good stability to the formed nanoparticles. The developed porous chitosan–silver nanocomposite (PCSSNC) films were characterized by UV–vis and FTIR spectroscopy, and thermogravimetric analysis for the confirmation of nanoparticles formation. The morphology of silver nanoparticles in nanocomposite films was tested by optical microscopy, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The embedded AgNPs were clearly observed throughout the film in SEM and the extracted AgNPs from the porous chitosan–silver nanocomposite showed ∼12
nm in TEM. Improved mechanical properties were observed for porous chitosan–silver nanocomposite than for chitosan blend (CSB) and chitosan–silver nanocomposite (CSSNC) films. Further, the examined antibacterial activity results of these films revealed that porous chitosan–silver nanocomposite films exhibited superior inhibition. |
| doi_str_mv | 10.1016/j.colsurfb.2009.10.044 |
| format | Article |
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nm in TEM. Improved mechanical properties were observed for porous chitosan–silver nanocomposite than for chitosan blend (CSB) and chitosan–silver nanocomposite (CSSNC) films. Further, the examined antibacterial activity results of these films revealed that porous chitosan–silver nanocomposite films exhibited superior inhibition.</description><identifier>ISSN: 0927-7765</identifier><identifier>EISSN: 1873-4367</identifier><identifier>DOI: 10.1016/j.colsurfb.2009.10.044</identifier><identifier>PMID: 19945827</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Anti-Bacterial Agents - chemistry ; Antibacterial activity ; Bacillus - drug effects ; Biocompatible Materials - chemistry ; Biocompatible Materials - pharmacology ; Chitosan ; Chitosan - chemistry ; Chitosan - pharmacology ; Escherichia coli - drug effects ; Glycols ; Hydrogels ; Metal Nanoparticles - chemistry ; Microscopy, Electron, Scanning ; Nanocomposites ; Nanomaterials ; Nanoparticles ; Nanostructure ; Oxidation-Reduction ; Poly(ethylene glycol) ; Polyethylene Glycols - chemistry ; Porosity ; Scanning electron microscopy ; Silver ; Silver - chemistry ; Silver nanoparticles ; Spectroscopy, Fourier Transform Infrared ; Surface Properties ; Wound dressing ; X-Ray Diffraction</subject><ispartof>Colloids and surfaces, B, Biointerfaces, 2010-03, Vol.76 (1), p.248-258</ispartof><rights>2009 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c432t-e0824150b3c17a0124b2650ef7ea9a013d12933e43d0e831d8cea175b29580363</citedby><cites>FETCH-LOGICAL-c432t-e0824150b3c17a0124b2650ef7ea9a013d12933e43d0e831d8cea175b29580363</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.colsurfb.2009.10.044$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19945827$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Vimala, K.</creatorcontrib><creatorcontrib>Mohan, Y. Murali</creatorcontrib><creatorcontrib>Sivudu, K. Samba</creatorcontrib><creatorcontrib>Varaprasad, K.</creatorcontrib><creatorcontrib>Ravindra, S.</creatorcontrib><creatorcontrib>Reddy, N. Narayana</creatorcontrib><creatorcontrib>Padma, Y.</creatorcontrib><creatorcontrib>Sreedhar, B.</creatorcontrib><creatorcontrib>MohanaRaju, K.</creatorcontrib><title>Fabrication of porous chitosan films impregnated with silver nanoparticles: A facile approach for superior antibacterial application</title><title>Colloids and surfaces, B, Biointerfaces</title><addtitle>Colloids Surf B Biointerfaces</addtitle><description>The present investigation involves the synthesis of porous chitosan–silver nanocomposite films in view of their increasing areas of application in wound dressing, antibacterial application, and water purification. The entire process consists of three-steps including silver ion-poly(ethylene glycol) matrix preparation, addition of chitosan matrix, and removal of poly(ethylene glycol) from the film matrix. Uniform porous and brown colour chitosan films impregnated with silver nanoparticles (AgNPs) were successfully fabricated by this facile approach. Both, poly(ethylene glycol) (PEG) and chitosan (CS) played vital roles in the reduction of metal ions into nanoparticles (NPs) as well as provided good stability to the formed nanoparticles. The developed porous chitosan–silver nanocomposite (PCSSNC) films were characterized by UV–vis and FTIR spectroscopy, and thermogravimetric analysis for the confirmation of nanoparticles formation. The morphology of silver nanoparticles in nanocomposite films was tested by optical microscopy, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The embedded AgNPs were clearly observed throughout the film in SEM and the extracted AgNPs from the porous chitosan–silver nanocomposite showed ∼12
nm in TEM. Improved mechanical properties were observed for porous chitosan–silver nanocomposite than for chitosan blend (CSB) and chitosan–silver nanocomposite (CSSNC) films. Further, the examined antibacterial activity results of these films revealed that porous chitosan–silver nanocomposite films exhibited superior inhibition.</description><subject>Anti-Bacterial Agents - chemistry</subject><subject>Antibacterial activity</subject><subject>Bacillus - drug effects</subject><subject>Biocompatible Materials - chemistry</subject><subject>Biocompatible Materials - pharmacology</subject><subject>Chitosan</subject><subject>Chitosan - chemistry</subject><subject>Chitosan - pharmacology</subject><subject>Escherichia coli - drug effects</subject><subject>Glycols</subject><subject>Hydrogels</subject><subject>Metal Nanoparticles - chemistry</subject><subject>Microscopy, Electron, Scanning</subject><subject>Nanocomposites</subject><subject>Nanomaterials</subject><subject>Nanoparticles</subject><subject>Nanostructure</subject><subject>Oxidation-Reduction</subject><subject>Poly(ethylene glycol)</subject><subject>Polyethylene Glycols - chemistry</subject><subject>Porosity</subject><subject>Scanning electron microscopy</subject><subject>Silver</subject><subject>Silver - chemistry</subject><subject>Silver nanoparticles</subject><subject>Spectroscopy, Fourier Transform Infrared</subject><subject>Surface Properties</subject><subject>Wound dressing</subject><subject>X-Ray Diffraction</subject><issn>0927-7765</issn><issn>1873-4367</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1v1DAQhi0EokvhL1S-wSWLv2LHnKgqSitV4gJny3EmrFdOHGyniDs_HEe7iBs9zYeemXfsF6ErSvaUUPn-uHcx5DWN_Z4RomtzT4R4hna0U7wRXKrnaEc0U41Ssr1Ar3I-EkKYoOoluqBai7Zjaod-39o-eWeLjzOOI15iimvG7uBLzHbGow9Txn5aEnyfbYEB__TlgLMPj5DwbOe42FS8C5A_4Gs8WucDYLssKVp3wGNMOK8LJF8TOxffW1dqZcPGhLPwa_RitCHDm3O8RN9uP329uWsevny-v7l-aJzgrDRAunp_S3ruqLKEMtEz2RIYFVhdaz5QpjkHwQcCHadD58BS1fZMtx3hkl-it6e99bofK-RiJp8dhGBnqK82SgipuaT6aZJz3SpJt53v_ktSpQgnQjJVUXlCXYo5JxjNkvxk0y9DidlcNUfz11Wzubr1q6t18OqssfYTDP_GzjZW4OMJgPp7jx6Syc7D7GDwCVwxQ_RPafwB5_i4nQ</recordid><startdate>20100301</startdate><enddate>20100301</enddate><creator>Vimala, K.</creator><creator>Mohan, Y. 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Murali</au><au>Sivudu, K. Samba</au><au>Varaprasad, K.</au><au>Ravindra, S.</au><au>Reddy, N. Narayana</au><au>Padma, Y.</au><au>Sreedhar, B.</au><au>MohanaRaju, K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fabrication of porous chitosan films impregnated with silver nanoparticles: A facile approach for superior antibacterial application</atitle><jtitle>Colloids and surfaces, B, Biointerfaces</jtitle><addtitle>Colloids Surf B Biointerfaces</addtitle><date>2010-03-01</date><risdate>2010</risdate><volume>76</volume><issue>1</issue><spage>248</spage><epage>258</epage><pages>248-258</pages><issn>0927-7765</issn><eissn>1873-4367</eissn><abstract>The present investigation involves the synthesis of porous chitosan–silver nanocomposite films in view of their increasing areas of application in wound dressing, antibacterial application, and water purification. The entire process consists of three-steps including silver ion-poly(ethylene glycol) matrix preparation, addition of chitosan matrix, and removal of poly(ethylene glycol) from the film matrix. Uniform porous and brown colour chitosan films impregnated with silver nanoparticles (AgNPs) were successfully fabricated by this facile approach. Both, poly(ethylene glycol) (PEG) and chitosan (CS) played vital roles in the reduction of metal ions into nanoparticles (NPs) as well as provided good stability to the formed nanoparticles. The developed porous chitosan–silver nanocomposite (PCSSNC) films were characterized by UV–vis and FTIR spectroscopy, and thermogravimetric analysis for the confirmation of nanoparticles formation. The morphology of silver nanoparticles in nanocomposite films was tested by optical microscopy, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The embedded AgNPs were clearly observed throughout the film in SEM and the extracted AgNPs from the porous chitosan–silver nanocomposite showed ∼12
nm in TEM. Improved mechanical properties were observed for porous chitosan–silver nanocomposite than for chitosan blend (CSB) and chitosan–silver nanocomposite (CSSNC) films. Further, the examined antibacterial activity results of these films revealed that porous chitosan–silver nanocomposite films exhibited superior inhibition.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>19945827</pmid><doi>10.1016/j.colsurfb.2009.10.044</doi><tpages>11</tpages></addata></record> |
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| ispartof | Colloids and surfaces, B, Biointerfaces, 2010-03, Vol.76 (1), p.248-258 |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Anti-Bacterial Agents - chemistry Antibacterial activity Bacillus - drug effects Biocompatible Materials - chemistry Biocompatible Materials - pharmacology Chitosan Chitosan - chemistry Chitosan - pharmacology Escherichia coli - drug effects Glycols Hydrogels Metal Nanoparticles - chemistry Microscopy, Electron, Scanning Nanocomposites Nanomaterials Nanoparticles Nanostructure Oxidation-Reduction Poly(ethylene glycol) Polyethylene Glycols - chemistry Porosity Scanning electron microscopy Silver Silver - chemistry Silver nanoparticles Spectroscopy, Fourier Transform Infrared Surface Properties Wound dressing X-Ray Diffraction |
| title | Fabrication of porous chitosan films impregnated with silver nanoparticles: A facile approach for superior antibacterial application |
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