ZnO Nanoparticles for Antimicrobial Treatment of Leather Surface

Gaidău, Carmen; Ignat, Madalina; Iordache, Ovidiu; Popescu, L. M.; Piticescu, Roxana Mioara; Diţu, Lia Mara; Ionescu, Marcel

doi:10.37358/rc.18.4.6197

Cited by 10 publications

(6 citation statements)

References 13 publications

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“…The leather surface was covered with successive layers of base coat binders that were free dried and polymerized under heat and pressure according to classical technologies. [20].…”

Section: Preparation Of Leather Materials and Covering With Carbon Nanotube Compositesmentioning

confidence: 99%

“…Multifunctional textiles and leathers are known as the most promising materials for many applications like flexible electronics, smart automotive upholstery, professional or sports footwear, etc. Different nanocomposites have been used for the development of antimicrobial, self-cleaning, or flame-retardant properties on the leather surface by using silica [ 10 , 11 , 12 , 13 , 14 ], silver [ 15 , 16 , 17 ], zinc oxide [ 18 , 19 , 20 , 21 ], and titanium dioxide nanoparticles [ 22 , 23 , 24 ] as alternatives for the use of volatile organic compounds.…”

Section: Introductionmentioning

confidence: 99%

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Multifunctional Leather Surface Design by Using Carbon Nanotube-Based Composites

et al. 2021

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This paper deals with original research in smart leather surface design for the development of multifunctional properties by using multi-walled carbon nanotube (MWCNT)-based nanocomposites. The conductive properties were demonstrated for both sheepskin and bovine leather surfaces for 0.5% MWCNTs in finishing nanocompositions with prospects for new material design intended for flexible electronics or multifunctional leathers. The photocatalytic properties of bovine leather surface treated with 0.5% MWCNTs were shown against an olive oil stain after visible light exposure and were attributed to reactive oxygen species generation and supported by contact angle measurements in dynamic conditions. The volatile organic compounds’ decomposition and antibacterial tests confirmed the self-cleaning experimental conclusions. Ultraviolet protection factor had excellent values for leather surfaces treated with multi-walled carbon nanotube and the fastness resistance tests showed improved performance compared to control samples. Scanning electron microscopy with energy dispersive X-ray (SEM-EDX), X-ray photoelectron spectroscopy (XPS), and attenuated total reflection-Fourier transform infrared (ATR-FTIR) spectroscopy analysis confirmed the influence of different leather surfaces on MWCNT dispersion with an effect on nanoparticle reactivity and efficiency in self-cleaning properties. Multifunctional leather surfaces were designed and demonstrated through MWCNT-based nanocomposite use under conventional finishing conditions.

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“…The leather surface was covered with successive layers of base coat binders that were free dried and polymerized under heat and pressure according to classical technologies. [20].…”

Section: Preparation Of Leather Materials and Covering With Carbon Nanotube Compositesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Multifunctional Leather Surface Design by Using Carbon Nanotube-Based Composites

et al. 2021

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“…However, in the field of nanomaterial-based antimicrobial agent, ZnONPs is emerging as a promising candidate due to their excellent performance against micro-organisms [20,21]. Because zinc ions (Zn 2+ ) can impart excellent antimicrobic performance against different strains of the bacteria and fungi but not harmful for human cells [22][23][24].…”

Section: Introductionmentioning

confidence: 99%

Zinc Oxide Nanoparticle Reinforced Waste Buffing Dust Based Composite Insole and Its Antimicrobial Activity

Dey

Hossain

Jamal

et al. 2022

Advances in Polymer Technology

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The objective of this research is to use zinc oxide nanoparticles (ZnONPs) combined with buffing dust to develop footwear insole with antibacterial properties. In addition, performance analysis (mechanical, chemical, and thermal) of fabricated insole is also the integral consideration of this study. With such aim, antimicrobial composite insoles were fabricated via simple solution mixing of ZnONPs and natural rubber latex (NRL) binder along with buffing dusts with optimum ratio. Then, removal of water was considered by mechanical pressing followed by natural drying in sunlight. The chemical bonding and material interactions of composites were investigated using FT-IR and XRD, respectively. TGA analysis confirmed the thermal stability of composites, while SEM and OTR are elucidating the surface morphology and gas barrier properties, respectively. Tensile strength, elongation, flexibility, hardness, and water absorption of prepared composite with optimum NRL content were increased by 39, 31, 30, 38, and 28%, respectively. Finally, 78% antimicrobial performance was achieved against the suspension of ( 1.5 × 10 6 CFU / mL ) bacterial strain Staphylococcus aureus.

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“…Nowadays, coloration and functionalization of leather surfaces with organic nanoparticles have received considerable attention [ 7 , 11 , 12 , 13 , 14 , 15 , 16 ]. The multifunctional features of leather, such as antimicrobial and UV radiation protection, as well as self-cleaning capabilities, have improved leather’s adaptability [ 1 , 6 , 9 , 17 , 18 , 19 ].…”

Section: Introductionmentioning

confidence: 99%

Simultaneous Sonochemical Coloration and Antibacterial Functionalization of Leather with Selenium Nanoparticles (SeNPs)

et al. 2021

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The development of antibacterial coatings for footwear components is of great interest both from an industry and consumer point of view. In this work, the leather material was developed taking advantage of the intrinsic antibacterial activity and coloring ability of selenium nanoparticles (SeNPs). The SeNPs were synthesized and implemented into the leather surface by using ultrasonic techniques to obtain simultaneous coloring and functionalization. The formation of SeNPs in the solutions was evaluated using UV/Vis spectroscopy and the morphology of the NPs was determined by transmission electron microscopy (TEM). The treated leather material (leather/SeNPs) was characterized by scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX). The effects of SeNPs on the coloration and antibacterial properties of the leather material were evaluated. The results revealed that the NPs were mostly spherical in shape, regularly distributed, and closely anchored to the leather surface. The particle size distribution of SeNPs at concentrations of 25 mM and 50 mM was in the range of 36–77 nm and 41–149 nm, respectively. It was observed that leather/SeNPs exhibited a higher depth of shade compared to untreated ones, as well as excellent fastness properties. The results showed that leather/SeNPs can significantly enhance the antibacterial activity against model of bacteria, including Gram-positive bacteria (Bacillus cereus) and Gram-negative bacteria (Pseudomonas aeruginosa, Salmonella typhi and Escherichia coli). Moreover, the resulting leather exhibited low cytotoxicity against HFB4 cell lines. This achievement should be quite appealing to the footwear industry as a way to prevent the spread of bacterial infection promoted by humidity, poor breathability and temperature which promote the expansion of the microflora of the skin.

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ZnO Nanoparticles for Antimicrobial Treatment of Leather Surface

Cited by 10 publications

References 13 publications

Multifunctional Leather Surface Design by Using Carbon Nanotube-Based Composites

Multifunctional Leather Surface Design by Using Carbon Nanotube-Based Composites

Zinc Oxide Nanoparticle Reinforced Waste Buffing Dust Based Composite Insole and Its Antimicrobial Activity

Simultaneous Sonochemical Coloration and Antibacterial Functionalization of Leather with Selenium Nanoparticles (SeNPs)

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