Synthesis, characterization and antibacterial study on the chitosan-functionalized Ag nanoparticles

Biao, Linhai; Tan, Shengnan; Wang, Yuanlin; Guo, Xiaojun; Fu, Yujie; Xu, Fengjie; Zu, Yuangang; Liu, Zhiguo

doi:10.1016/j.msec.2017.02.154

Cited by 167 publications

(79 citation statements)

References 44 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…These AgNPs have been exploited against Gram-negative bacteria, such as Acinetobacter, Escherichia, Pseudomonas, Salmonella and Vibrio, and against Gram-positive bacteria including Bacillus, Clostridium, Enterococcus, Listeria, Staphylococcus and Streptococcus [20]. A number of research reports have demonstrated that their antimicrobial nature depends on the surface-capping agent and the size and shape of the nanoparticle [21,22].…”

Section: Silver Nanoparticles For Pathogen Controlmentioning

confidence: 99%

“…In studies using discs impregnated with AgNP in culture media with bacteria, the formation of a clear zone of inhibition around the impregnated discs is an indicator of bactericidal potential of AgNP > 15 nm [21]. Bacteria are unable to survive in this area, possibly because of the release of silver in the form of nanoparticles or of silver ions.…”

Section: Silver Nanoparticles For Pathogen Controlmentioning

confidence: 99%

“…In a previous study conducted by Biao et al [21], chitosan was combined with silver nanoparticles to form composites. They found that chitosan-silver colloid has a high inhibition ratio against the prokaryotes E. coli and Staphylococcus aureus (S. aureus) and the eukaryote Candida albicans (C. albicans).…”

Section: Silver Nanoparticles For Pathogen Controlmentioning

confidence: 99%

“…Biao et al [21] noticed that bacterial strains have intact membranes and smooth surfaces in the absence of silver colloid, whereas after exposure to chitosan-silver colloid, the cell membrane and surface become shriveled, invaginated and disrupted. This cell membrane damage indicates the mode of action of chitosan-silver colloid.…”

Section: Alterations In the Bacterial Membranementioning

confidence: 99%

See 3 more Smart Citations

Silver Nanoparticles Offer Effective Control of Pathogenic Bacteria in a Wide Range of Food Products

Ávila-Quezada¹,

Espino-Solís²

2020

Pathogenic Bacteria

View full text Add to dashboard Cite

According to the Food and Agriculture Organization (FAO), food wastage still causes massive economic loss. A major role in this loss is played by the activities of microbial organisms. Treatments such as heat and irradiation can reduce microorganisms in fruits and vegetables and hence reduce postharvest loss. However, some of these treatments can injure the fruit. Effective chemical treatments against bacterial infestations can result in resistance. A more recent method is the use of silver nanoparticles. These can act in a number of ways including at cellular level by inhibiting the cell wall synthesis, by binding to the surface of the cell membrane and by interposing between the DNA base pairs, and by inhibiting biofilm formation, affecting the thiol group of enzymes, affecting bacterial peptides and hence interfering with cell signaling and attaching to the 30S ribosome subunit. A ground-breaking way to survey the effects of the silver nanoparticles on bacterial populations is by flow cytometry. It allows measurement of many characteristics of single cells, including their functional characteristics such as viability and cell cycle. Bacterial viability assays are used with great efficiency to evaluate antibacterial activity by evaluating the physical rupture of the membrane of the bacteria.

show abstract

Section: Silver Nanoparticles For Pathogen Controlmentioning

confidence: 99%

Section: Silver Nanoparticles For Pathogen Controlmentioning

confidence: 99%

Section: Silver Nanoparticles For Pathogen Controlmentioning

confidence: 99%

Section: Alterations In the Bacterial Membranementioning

confidence: 99%

See 2 more Smart Citations

Silver Nanoparticles Offer Effective Control of Pathogenic Bacteria in a Wide Range of Food Products

Ávila-Quezada¹,

Espino-Solís²

2020

Pathogenic Bacteria

View full text Add to dashboard Cite

show abstract

“…13,14 Several studies have highlighted the anti-fungal, antiviral and antifouling activities of Ag NPs. 15,16 As a noble metal, Ag NPs have been widely used as an effective antimicrobial agent against bacteria, fungi, and viruses. Nano-Ag is less expensive and presents excellent antibacterial property compared with nanogold.…”

Section: 10mentioning

confidence: 99%

Silicone/Ag@SiO₂core–shell nanocomposite as a self-cleaning antifouling coating material

et al. 2018

View full text Add to dashboard Cite

The effects of Ag@SiO 2 core-shell nanofiller dispersion and micro-nano binary structure on the selfcleaning and fouling release (FR) in the modelled silicone nano-paints were studied. An ultrahydrophobic polydimethylsiloxane/Ag@SiO 2 core-shell nanocomposite was prepared as an antifouling coating material. Ag@SiO 2 core-shell nanospheres with 60 nm average size and a preferential {111} growth direction were prepared via a facile solvothermal and a modified Stöber methods with a controlled shell thickness. Ag@SiO 2 core-shell nanofillers were inserted in the silicone composite surface via solution casting technique. A simple hydrosilation curing mechanism was used to cure the surface coating.Different concentrations of nanofillers were incorporated in the PDMS matrix for studying the structureproperty relationship. Water contact angle (WCA) and surface free energy determinations as well as atomic force microscopy and scanning electron microscope were used to investigate the surface selfcleaning properties of the nanocomposites. Mechanical and physical properties were assessed as durability parameters. A comparable study was carried out between silicone/spherical Ag@SiO 2 coreshell nanocomposites and other commercial FR coatings. Selected micro-foulants were used for biological and antifouling assessments up to 28 days. Well-distributed Ag@SiO 2 core-shell (0.5 wt%) exhibited the preferable self-cleaning with WCA of 156 and surface free energy of 11.15 mN m À1.

show abstract

Combining Chitosan, Stearic Acid, and (Cu‐, Zn‐) MOFs to Prepare Robust Superhydrophobic Coatings with Biomedical Multifunctionalities

Zhang,

Pei,

Liu

et al. 2023

Adv Healthcare Materials

View full text Add to dashboard Cite

There is an urgent need to develop a series of multifunctional materials with good biocompatibility, high mechanical strength, hemostatic properties, anti‐adhesion, and anti‐infection for applications in wound care. However, successfully developing multifunctional materials is challenging. In this study, two superhydrophobic composite coatings with good biocompatibility, high mechanical strength, strong antifouling and blood repellency, fast hemostasis, and good antibacterial activity were prepared on cotton fabric surface by simple, green, and low‐cost one‐step dip‐coating technology. The results discussed in the manuscript revealed that the two superhydrophobic composite coatings could maintain good mechanical stability, strong water repellency, and durability under various types of mechanical damage, high‐temperature treatment, and long‐term strong light irradiation. The coatings also exhibited good repellency to various solid pollutants, highly viscous liquid pollutants and blood. In vitro and in vivo hemostatic experiments showed that both composite coatings had good hemostatic and anti‐clot adhesion properties. More importantly, this superhydrophobic coating prevented bacterial adhesion and growth and released Cu2+ and Zn2+ ions and chitosan to achieve bactericidal properties, thereby protecting injured skin from bacterial infection. The two superhydrophobic coatings enhanced the anti‐fouling, anti‐adhesion, hemostatic, and antibacterial functions of blood‐repellent dressings and therefore have broad application prospects in medical and textile fields.This article is protected by copyright. All rights reserved

show abstract

Synthesis, characterization and antibacterial study on the chitosan-functionalized Ag nanoparticles

Cited by 167 publications

References 44 publications

Silver Nanoparticles Offer Effective Control of Pathogenic Bacteria in a Wide Range of Food Products

Silver Nanoparticles Offer Effective Control of Pathogenic Bacteria in a Wide Range of Food Products

Silicone/Ag@SiO₂core–shell nanocomposite as a self-cleaning antifouling coating material

Combining Chitosan, Stearic Acid, and (Cu‐, Zn‐) MOFs to Prepare Robust Superhydrophobic Coatings with Biomedical Multifunctionalities

Contact Info

Product

Resources

About

Synthesis, characterization and antibacterial study on the chitosan-functionalized Ag nanoparticles

Cited by 167 publications

References 44 publications

Silver Nanoparticles Offer Effective Control of Pathogenic Bacteria in a Wide Range of Food Products

Silver Nanoparticles Offer Effective Control of Pathogenic Bacteria in a Wide Range of Food Products

Silicone/Ag@SiO2core–shell nanocomposite as a self-cleaning antifouling coating material

Combining Chitosan, Stearic Acid, and (Cu‐, Zn‐) MOFs to Prepare Robust Superhydrophobic Coatings with Biomedical Multifunctionalities

Contact Info

Product

Resources

About

Silicone/Ag@SiO₂core–shell nanocomposite as a self-cleaning antifouling coating material