Acalypha indica– mediated green synthesis of ZnO nanostructures under differential thermal treatment: Effect on textile coating, hydrophobicity, UV resistance, and antibacterial activity

Karthik, S.; Palanisamy, Siva; Shanmugam, Balu Kolathupalayam; Rangaraj, Satyapal; Rajendran, V.; Mâaza, M.

doi:10.1016/j.apt.2017.09.033

Cited by 168 publications

(76 citation statements)

References 47 publications

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“…The results of the antibacterial efficiency of ZnO Ps showed that at lower concentrations, ZnO Ps were more effective against Gram-positive than Gram-negative bacteria ( Figure 5) [11,15,67,85,100], since the former are more susceptible to inhibition by ZnO Ps than the latter. However, the growth inhibition of Gram-negative bacteria significantly increased at higher ZnO concentrations and with longer contact times, resulting in excellent antimicrobial activity against both Gram-positive and Gram-negative bacteria [84,99].…”

Section: Antimicrobial Propertiesmentioning

confidence: 99%

“…To create antimicrobial textiles, cellulose fibers represent the most attractive textile substrate for the application of ZnO Ps [11,32,42,66,68,69,72,73,76,82,[84][85][86]88,90,[122][123][124][125][126][127]. In addition to cellulose, ZnO Ps have been applied to different synthetic fibers, such as polyester [16,99,100,128], polypropylene [15,99,129], polyamide [99], polyurethane [109] and cellulose/polyester blends [14,94].…”

Section: Antimicrobial Propertiesmentioning

confidence: 99%

“…The antibacterial activity of ZnO Ps on textile fibers is directly influenced by the ZnO concentration [78], particle size [11], crystalline structure [69] and surface-to-volume ratio [99,100], and by the pH of the solution [128] as well as the chemical and morphological properties of textile fibers [99,128]. Increasing ZnO concentration resulted in higher antimicrobial activity [72,85].…”

Section: Antimicrobial Propertiesmentioning

confidence: 99%

“…The extraordinary photocatalytic activity, chemical stability under UV radiation exposure, thermal stability, and absorption of a broad range of UV radiation [2][3][4] allow ZnO particles (ZnO Ps) to be one of the most effective photocatalytic self-cleaning, antimicrobial and UV-protective agents. Furthermore, ZnO Ps have been applied to textile fibers to improve flame retardancy and thermal stability and to achieve moisture management and thermal insulation, electrical conductivity, and hydrophobicity [5][6][7][8][9][10][11][12][13][14][15][16]. The photocatalytic properties also enable ZnO Ps to be used as degradation agents for different pollutants, such as dyes and surfactants present in textile industry wastewaters [12,[17][18][19][20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

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Zinc Oxide for Functional Textile Coatings: Recent Advances

2019

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The use of ZnO for the functionalization of textile substrates is growing rapidly, since it can provide unique multifunctional properties, such as photocatalytic self-cleaning, antimicrobial activity, UV protection, flame retardancy, thermal insulation and moisture management, hydrophobicity, and electrical conductivity. This paper aims to review the recent progress in the fabrication of ZnO-functionalized textiles, with an emphasis on understanding the specificity and mechanisms of ZnO action that impart individual properties to the textile fibers. The most common synthesis and application processes of ZnO to textile substrates are summarized. The influence of ZnO concentration, particle size and shape on ZnO functionality is presented. The importance of doping and coupling procedures to enhance ZnO performance is highlighted. The need to use binding and seeding agents to increase the durability of ZnO coatings is expressed. In addition to functional properties, the cytotoxicity of ZnO coatings is also discussed. Future directions in the use of ZnO for textile functionalization are identified as well.

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Section: Antimicrobial Propertiesmentioning

confidence: 99%

Section: Antimicrobial Propertiesmentioning

confidence: 99%

Section: Antimicrobial Propertiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Zinc Oxide for Functional Textile Coatings: Recent Advances

2019

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“…60 × 60 cm pieces of cotton fabrics (CF) were cut and used for the coating applications. Herbal nanocomposites solutions were coated on the cotton fabrics using Pad-dry cure method as per the method described in Karthik et al [38]. The cotton fabrics separately coated with the different herbal nanocomposites are named as AI-NC-CF, AZI-NC-CF, PB-NC-CF, TP-NC-CF and AV-NC-CF respectively.…”

Section: Herbal Nanocomposites Coating On Cotton Fabricsmentioning

confidence: 99%

Wet chemical preparation of herbal nanocomposites from medicinal plant leaves for enhanced coating on textile fabrics with multifunctional properties

Karthik¹,

Saha²,

Palanisamy³

et al. 2020

SN Appl. Sci.

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The present study is aimed at the synthesis of different herbal nanoparticles from Acalypha indica, Azadirachta indica, Piper betle, Tridax procumbens and Aloe vera plant leaves through wet processing method i.e., solution based synthesis for the development of a biocompatible nanomaterials with excellent medicinal properties. The efficiency of herbal nanoparticles are determined by subjecting a comparative assessment among the various herbal nanoparticles in virtue of their physico-chemical as well as their functional properties when coated on cotton fabrics. The prepared five different herbal nanoparticles show amorphous nature having an average particle size distribution ranges from 21 to 27 nm. Tridax procumbens nanoparticles exhibit higher antioxidant activity (98.17%) while tested against DPPH assessment. Nevertheless, the herbal nanocomposites prepared from Aloe vera with chitosan polymer shows higher protection (UPF = 62.3) than the fabric coated with other herbal nanoparticles. The superhydrophobic properties (154.5°) and higher antibacterial properties against Escherichia coli (33.13 mm) and Staphylococcus aureus (35.62 mm) for the Azadirachta indica nanocomposite coated cotton fabrics shows comparably more effectiveness than that of the other counterpart. The present study helps to identify the appropriate processing methods as well as herbal nanoparticles for enhanced the self-cleaning, UV-protection, antibacterial and antioxidant activity in biomedical textiles.

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Removal of Free Cyanide by a Green Photocatalyst ZnO Nanoparticle Synthesized viaEucalyptus globulusLeaves

Razanamahandry

Sackey

Saqib

et al. 2020

Photocatalysts in Advanced Oxidation Processes for Wastewater Treatment

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Free Cyanide (FCN) is a harmful product released into the environment by several metallurgical industries. Various concentrations of Zinc Oxide (ZnO) nanoparticles have been synthesized by green method using Eucalyptus globulus leaves and tested for FCN removal. The optical and physico-chemical characteristics of the synthesized ZnO nanoparticles were investigated. X-ray diffraction has shown a pure crystallite Zincite form with average size 9.8 nm. Their bandgaps were obtained by UV-VIS

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Acalypha indica– mediated green synthesis of ZnO nanostructures under differential thermal treatment: Effect on textile coating, hydrophobicity, UV resistance, and antibacterial activity

Cited by 168 publications

References 47 publications

Zinc Oxide for Functional Textile Coatings: Recent Advances

Zinc Oxide for Functional Textile Coatings: Recent Advances

Wet chemical preparation of herbal nanocomposites from medicinal plant leaves for enhanced coating on textile fabrics with multifunctional properties

Removal of Free Cyanide by a Green Photocatalyst ZnO Nanoparticle Synthesized viaEucalyptus globulusLeaves

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