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Full polysaccharide chitosan-CMC membrane and silver nanocomposite: synthesis, characterization, and antibacterial behaviors.

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Title: Full polysaccharide chitosan-CMC membrane and silver nanocomposite: synthesis, characterization, and antibacterial behaviors.
Authors: Ghasemzadeh, Hossein1, Mahboubi, Arash2, Karimi, Katayoun1, Hassani, Samaneh1
Source: Polymers for Advanced Technologies. Sep2016, Vol. 27 Issue 9, p1204-1210. 7p.
Subjects: Chitosan, Polysaccharides, Carboxymethylcellulase, Nanocomposite materials, Crosslinking (Polymerization)
Abstract: Chitosan-carboxymethyl cellulose (CMC) full polysaccharide membrane was prepared by cross-linking of chitosan with CMC dialdehyde and subsequent reductive amination. CMC dialdehyde molecule was prepared by periodate oxidation of CMC and then applied as a cross-linking agent to form a new membrane network. The properties of oxidized CMC were investigated by various methods such as Fourier transform infrared (FT-IR) spectroscopy, 1H NMR spectroscopy, and viscosity test. Then, novel chitosan-CMC silver nanocomposite was prepared using chitosan-CMC as a carrier. The structure of the chitosan-CMC membrane and the silver nanocomposite were confirmed by FT-IR spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM), and thermogravimetric analysis (TGA). TEM images indicate that the chitosan-CMC nanocomposite comprises silver nanoparticles with diameters in the range of about 5-20 nm. The antibacterial studies of the nanocomposite were also evaluated. The chitosan-CMC silver nanocomposite demonstrates good antibacterial activity against Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli. Copyright © 2016 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
Copyright of Polymers for Advanced Technologies is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Full polysaccharide chitosan-CMC membrane and silver nanocomposite: synthesis, characterization, and antibacterial behaviors.
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  Data: <searchLink fieldCode="JN" term="%22Polymers+for+Advanced+Technologies%22">Polymers for Advanced Technologies</searchLink>. Sep2016, Vol. 27 Issue 9, p1204-1210. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Chitosan%22">Chitosan</searchLink><br /><searchLink fieldCode="DE" term="%22Polysaccharides%22">Polysaccharides</searchLink><br /><searchLink fieldCode="DE" term="%22Carboxymethylcellulase%22">Carboxymethylcellulase</searchLink><br /><searchLink fieldCode="DE" term="%22Nanocomposite+materials%22">Nanocomposite materials</searchLink><br /><searchLink fieldCode="DE" term="%22Crosslinking+%28Polymerization%29%22">Crosslinking (Polymerization)</searchLink>
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  Data: Chitosan-carboxymethyl cellulose (CMC) full polysaccharide membrane was prepared by cross-linking of chitosan with CMC dialdehyde and subsequent reductive amination. CMC dialdehyde molecule was prepared by periodate oxidation of CMC and then applied as a cross-linking agent to form a new membrane network. The properties of oxidized CMC were investigated by various methods such as Fourier transform infrared (FT-IR) spectroscopy, 1H NMR spectroscopy, and viscosity test. Then, novel chitosan-CMC silver nanocomposite was prepared using chitosan-CMC as a carrier. The structure of the chitosan-CMC membrane and the silver nanocomposite were confirmed by FT-IR spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM), and thermogravimetric analysis (TGA). TEM images indicate that the chitosan-CMC nanocomposite comprises silver nanoparticles with diameters in the range of about 5-20 nm. The antibacterial studies of the nanocomposite were also evaluated. The chitosan-CMC silver nanocomposite demonstrates good antibacterial activity against Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli. Copyright © 2016 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Polymers for Advanced Technologies is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1002/pat.3785
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        Text: English
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      – SubjectFull: Carboxymethylcellulase
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              M: 09
              Text: Sep2016
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