Preparation of lotus-leaf-like antibacterial film based on mesoporous silica microcapsule-supported Ag nanoparticles

Yang, Hui; You, Wenhui; Shen, Qing; Wang, Xinmin; Sheng, Jiansong; Cheng, Daojian; Cao, Xudan; Wu, Chunchun

doi:10.1039/c3ra45382k

Cited by 22 publications

(15 citation statements)

References 37 publications

(33 reference statements)

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“…However, the importance of developing new materials with superhydrophobic properties, or indeed superoleophilic as well as superoleophobic properties, is clear, and a major requirement for all of these applications is stability under wide‐ranging environmental conditions. Another avenue of research is the creation of such materials that can perform more than one role, for example, displaying anti‐bacterial properties, photocatalytic or SERS activity, or possessing functionality that can be utilized in electronic or optical devices . Therefore, research into the development of superhydrophobic materials that can be utilized for multiple purposes is attractive.…”

Section: Introductionmentioning

confidence: 99%

Superhydrophobic Fabrics for Oil/Water Separation Based on the Metal–Organic Charge‐Transfer Complex CuTCNAQ

et al. 2016

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The fabrication of a superhydrophobic nylon textile based on the organic charge‐transfer complex CuTCNAQ (TCNAQ=11,11,12,12‐tetracyanoanthraquinodimethane) is reported. The nylon fabric, which is metallized with copper, undergoes a spontaneous chemical reaction with TCNAQ dissolved in acetonitrile to form nanorods of CuTCNAQ that are intertwined over the entire surface of the fabric. This creates the necessary micro‐ and nanoscale roughness that often allows the Cassie–Baxter state to be obtained with high robustness, thereby achieving a superhydrophobic/superoleophilic surface without the need for a fluorinated surface. The material is characterized with SEM, FTIR spectroscopy, and X‐ray photoelectron spectroscopy, and investigated for its ability to separate oil and water in two modes, namely through filtration and as an absorbent material. It is found that the fabric can separate dichloromethane, olive oil, and crude oil from water, and reduce the water content of the oil during the separation process. The fabric is reusable, highly durable, and tolerant to conditions such as seawater, hydrochloric acid, and extensive time periods on the shelf. Given that CuTCNAQ is a copper‐based semiconductor, there may also be the possibility of other uses in areas such as photocatalysis and antibacterial applications.

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Section: Introductionmentioning

confidence: 99%

Superhydrophobic Fabrics for Oil/Water Separation Based on the Metal–Organic Charge‐Transfer Complex CuTCNAQ

et al. 2016

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“…Artificial superhydrophobic materials with water contact angles over 150° and water droplets easily rolling off the solid surface1234567 has attracted growing interest since it brings about unprecedented properties to inorganic and organic polymer materials such as self-cleaning89, anti-icing10 and anti-bacterial11, etc. Over the past decade, numerous superhydrophobic materials have been reported121314151617181920, but there are still increasing demands for novel function to further extend their practical applications.…”

mentioning

confidence: 99%

Fabrication of Superhydrophobic and Luminescent Rare Earth/Polymer complex Films

Wang

Luo

et al. 2016

Sci Rep

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The motivation of this work is to create luminescent rare earth/polymer films with outstanding water-resistance and superhydrophobicity. Specifically, the emulsion polymerization of styrene leads to core particles. Then core-shell-structured polymer nanoparticles are synthesized by copolymerization of styrene and acrylic acid on the core surface. The coordination reaction between carboxylic groups and rare earth ions (Eu3+ and Tb3+) generates uniform spherical rare earth/polymer nanoparticles, which are subsequently complexed with PTFE microparticles to obtain micro-/nano-scaled PTFE/rare earth films with hierarchical rough morphology. The films exhibit large water contact angle up to 161° and sliding angle of about 6°, and can emit strong red and green fluorescence under UV excitation. More surprisingly, it is found that the films maintain high fluorescence intensity after submersed in water and even in aqueous salt solution for two days because of the excellent water repellent ability of surfaces.

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“…The same authors also prepared an antibacterial film fabricated by loading MS microcapsules containing AgNPs on a fluorosilicone resin film ( Figure ). Moreover, the surface of the prepared material was hydrophobically modified by a controlled dosage of fluorosilicone resin solution, to obtain a completely hydrophobic surface and to increase film thickness . A prolonged release of Ag(I) from the prepared composite was achieved over 10 days.…”

Section: Ms In Antibacterial Applicationsmentioning

confidence: 99%

Mesoporous Silica‐Based Materials with Bactericidal Properties

Bernardos

Piacenza

Sancenón

et al. 2019

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136

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Bacterial infections are the main cause of chronic infections and even mortality. In fact, due to extensive use of antibiotics and, then, emergence of antibiotic resistance, treatment of such infections by conventional antibiotics has become a major concern worldwide. One of the promising strategies to treat infection diseases is the use of nanomaterials. Among them, mesoporous silica materials (MSMs) have attracted burgeoning attention due to high surface area, tunable pore/particle size, and easy surface functionalization. This review discusses how one can exploit capacities of MSMs to design and fabricate multifunctional/controllable drug delivery systems (DDSs) to combat bacterial infections. At first, the emergency of bacterial and biofilm resistance toward conventional antimicrobials is described and then how nanoparticles exert their toxic effects upon pathogenic cells is discussed. Next, the main aspects of MSMs (e.g., physicochemical properties, multifunctionality, and biosafety) which one should consider in the design of MSM‐based DDSs against bacterial infections are introduced. Finally, a comprehensive analysis of all the papers published dealing with the use of MSMs for delivery of antibacterial chemicals (antimicrobial agents functionalized/adsorbed on mesoporous silica (MS), MS‐loaded with antimicrobial agents, gated MS‐loaded with antimicrobial agents, MS with metal‐based nanoparticles, and MS‐loaded with metal ions) is provided.

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Preparation of lotus-leaf-like antibacterial film based on mesoporous silica microcapsule-supported Ag nanoparticles

Cited by 22 publications

References 37 publications

Superhydrophobic Fabrics for Oil/Water Separation Based on the Metal–Organic Charge‐Transfer Complex CuTCNAQ

Superhydrophobic Fabrics for Oil/Water Separation Based on the Metal–Organic Charge‐Transfer Complex CuTCNAQ

Fabrication of Superhydrophobic and Luminescent Rare Earth/Polymer complex Films

Mesoporous Silica‐Based Materials with Bactericidal Properties

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