CuS@Corn Stalk/Chitin Composite Hydrogel for Photodegradation and Antibacterial

Copper sulfide nanoparticles (CuS NPs) have recently attracted extensive attention in various fields due to their excellent optical and electrical properties. However, CuS NPs are easy to agglomerate in their preparation on account of the high surface activity. In this study, uniform dispersion of C...

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Published inPolymers Vol. 11; no. 9; p. 1393
Main Authors Xiong, Yutong, Luo, Bichong, Chen, Guixin, Cai, Jihai, Jiang, Qimeng, Gu, Bin, Wang, Xiaoying
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 24.08.2019
MDPI
Subjects
antibacterial
Antiinfectives and antibacterials
Aqueous solutions
Bacteria
Biomass
Chitin
Copper sulfides
corn stalk
Crosslinking
CuS
Dispersion
E coli
Electrical properties
Gram-positive bacteria
hydrogel
Hydrogels
Hydrogen peroxide
Infrared spectroscopy
Nanoparticles
Optical properties
Peroxidase
Photocatalysis
Photodegradation
Sterilization
Three dimensional composites
Wastewater
China
Germany
CuS
antibacterial
corn stalk
photodegradation
hydrogel
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Abstract Copper sulfide nanoparticles (CuS NPs) have recently attracted extensive attention in various fields due to their excellent optical and electrical properties. However, CuS NPs are easy to agglomerate in their preparation on account of the high surface activity. In this study, uniform dispersion of CuS NPs were fabricated with corn stalk as a template and stabilizer, further CuS@corn stalk/chitin composite hydrogel was obtained by crosslinking with chitin. The results reveal that the CuS NPs were evenly dispersed into the composite hydrogels with a three-dimensional network structure, which were verified by the UV-vis spectrum, XRD, FT-IR spectra and SEM. In addition, the as-prepared composite hydrogel with the traits of peroxidase-like activity can convert H O into an extremely oxidative and toxic ·OH, which manifested good effects for photodegradation of RhB and antibacterial against and . Hence, the composite hydrogels could be used for photocatalytic treatment and sterilization of wastewater, which provides a new idea for the functional application of CuS NPs.
AbstractList Copper sulfide nanoparticles (CuS NPs) have recently attracted extensive attention in various fields due to their excellent optical and electrical properties. However, CuS NPs are easy to agglomerate in their preparation on account of the high surface activity. In this study, uniform dispersion of CuS NPs were fabricated with corn stalk as a template and stabilizer, further CuS@corn stalk/chitin composite hydrogel was obtained by crosslinking with chitin. The results reveal that the CuS NPs were evenly dispersed into the composite hydrogels with a three-dimensional network structure, which were verified by the UV-vis spectrum, XRD, FT-IR spectra and SEM. In addition, the as-prepared composite hydrogel with the traits of peroxidase-like activity can convert H2O2 into an extremely oxidative and toxic ·OH, which manifested good effects for photodegradation of RhB and antibacterial against Escherichia coli and Staphylococcus aureus. Hence, the composite hydrogels could be used for photocatalytic treatment and sterilization of wastewater, which provides a new idea for the functional application of CuS NPs.
Copper sulfide nanoparticles (CuS NPs) have recently attracted extensive attention in various fields due to their excellent optical and electrical properties. However, CuS NPs are easy to agglomerate in their preparation on account of the high surface activity. In this study, uniform dispersion of CuS NPs were fabricated with corn stalk as a template and stabilizer, further CuS@corn stalk/chitin composite hydrogel was obtained by crosslinking with chitin. The results reveal that the CuS NPs were evenly dispersed into the composite hydrogels with a three-dimensional network structure, which were verified by the UV-vis spectrum, XRD, FT-IR spectra and SEM. In addition, the as-prepared composite hydrogel with the traits of peroxidase-like activity can convert H 2 O 2 into an extremely oxidative and toxic ·OH, which manifested good effects for photodegradation of RhB and antibacterial against Escherichia coli and Staphylococcus aureus . Hence, the composite hydrogels could be used for photocatalytic treatment and sterilization of wastewater, which provides a new idea for the functional application of CuS NPs.
Copper sulfide nanoparticles (CuS NPs) have recently attracted extensive attention in various fields due to their excellent optical and electrical properties. However, CuS NPs are easy to agglomerate in their preparation on account of the high surface activity. In this study, uniform dispersion of CuS NPs were fabricated with corn stalk as a template and stabilizer, further CuS@corn stalk/chitin composite hydrogel was obtained by crosslinking with chitin. The results reveal that the CuS NPs were evenly dispersed into the composite hydrogels with a three-dimensional network structure, which were verified by the UV-vis spectrum, XRD, FT-IR spectra and SEM. In addition, the as-prepared composite hydrogel with the traits of peroxidase-like activity can convert H O into an extremely oxidative and toxic ·OH, which manifested good effects for photodegradation of RhB and antibacterial against and . Hence, the composite hydrogels could be used for photocatalytic treatment and sterilization of wastewater, which provides a new idea for the functional application of CuS NPs.
Author Cai, Jihai
Xiong, Yutong
Jiang, Qimeng
Wang, Xiaoying
Gu, Bin
Chen, Guixin
Luo, Bichong
AuthorAffiliation State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, 381 Wushan Road, Guangzhou 510640, China
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  organization: State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, 381 Wushan Road, Guangzhou 510640, China. xyw@scut.edu.cn
BackLink https://www.ncbi.nlm.nih.gov/pubmed/31450551$$D View this record in MEDLINE/PubMed
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Issue 9
Keywords CuS
antibacterial
corn stalk
photodegradation
hydrogel
Language English
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Snippet Copper sulfide nanoparticles (CuS NPs) have recently attracted extensive attention in various fields due to their excellent optical and electrical properties....
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StartPage 1393
SubjectTerms antibacterial
Antiinfectives and antibacterials
Aqueous solutions
Bacteria
Biomass
Chitin
Copper sulfides
corn stalk
Crosslinking
CuS
Dispersion
E coli
Electrical properties
Gram-positive bacteria
hydrogel
Hydrogels
Hydrogen peroxide
Infrared spectroscopy
Nanoparticles
Optical properties
Peroxidase
Photocatalysis
Photodegradation
Sterilization
Three dimensional composites
Wastewater
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Title CuS@Corn Stalk/Chitin Composite Hydrogel for Photodegradation and Antibacterial
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Volume 11
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