“…The fabrics were then thoroughly rinsed with tap water and finally, air dried, at ambient temperature. [ 29 ]…”
Section: Methodsmentioning
confidence: 99%
“…The fabric samples (30 × 30 cm 2 ) were treated with AgNPs according to Abo El‐Ola et al [ 29 ] Briefly, the fabric samples were immersed in freshly prepared AgNPs for 2 min and padded using 2‐dip‐2‐nip padding technique; the wet pick up were 100%. The padded fabric samples were dried at 70°C for 3 min and finally cured at 140°C for 3 min in curing oven.…”
Mycosynthesis of stable silver nanoparticles (AgNPs) using Aspergillus caespitosus exo‐ and endo‐filtrates were obtained. Both exo‐ and endo‐AgNPs showed an absorbance peak at 410 nm, spherical, hexagonal, and anisotropic crystalline nanoparticles with 22–57 nm in size. FTIR analysis of mycosynthesized AgNPs showed presence of amide and carbonyl functional groups, which depicts the presence of peptides that involved in the synthesis and stability of AgNPs. Nitrate reductase activity was found to be 0.71 and 0.36 μM/min/ml for exo‐ and endo‐filtrates, respectively. The optimum conditions for the synthesis of exo‐ and endo‐AgNPs were at 6:4 and 8:2 filtrate:double distilled water dilution, respectively. Also, both AgNPs syntheses were the maximum at using one mM AgNO3 in aqueous solution, 24‐h incubation at 30°C under static and illuminating conditions. Aspergillus caespitosus‐synthesized AgNPs showed antimicrobial activities against Gram‐positive and Gram‐negative bacteria and Candida albicans. They showed non‐cytotoxic effect with exception of endo‐AgNPs on MCF‐7 breast carcinoma cells. Different textile samples treated with these nanoparticles exhibited antimicrobial activities against the tested pathogenic microorganisms. Finally, Aspergillus caespitosus is a promising nano‐factory for simple, green, and cost‐effective biosynthesis of AgNPs using extracellular and intracellular filtrates.
“…The fabrics were then thoroughly rinsed with tap water and finally, air dried, at ambient temperature. [ 29 ]…”
Section: Methodsmentioning
confidence: 99%
“…The fabric samples (30 × 30 cm 2 ) were treated with AgNPs according to Abo El‐Ola et al [ 29 ] Briefly, the fabric samples were immersed in freshly prepared AgNPs for 2 min and padded using 2‐dip‐2‐nip padding technique; the wet pick up were 100%. The padded fabric samples were dried at 70°C for 3 min and finally cured at 140°C for 3 min in curing oven.…”
Mycosynthesis of stable silver nanoparticles (AgNPs) using Aspergillus caespitosus exo‐ and endo‐filtrates were obtained. Both exo‐ and endo‐AgNPs showed an absorbance peak at 410 nm, spherical, hexagonal, and anisotropic crystalline nanoparticles with 22–57 nm in size. FTIR analysis of mycosynthesized AgNPs showed presence of amide and carbonyl functional groups, which depicts the presence of peptides that involved in the synthesis and stability of AgNPs. Nitrate reductase activity was found to be 0.71 and 0.36 μM/min/ml for exo‐ and endo‐filtrates, respectively. The optimum conditions for the synthesis of exo‐ and endo‐AgNPs were at 6:4 and 8:2 filtrate:double distilled water dilution, respectively. Also, both AgNPs syntheses were the maximum at using one mM AgNO3 in aqueous solution, 24‐h incubation at 30°C under static and illuminating conditions. Aspergillus caespitosus‐synthesized AgNPs showed antimicrobial activities against Gram‐positive and Gram‐negative bacteria and Candida albicans. They showed non‐cytotoxic effect with exception of endo‐AgNPs on MCF‐7 breast carcinoma cells. Different textile samples treated with these nanoparticles exhibited antimicrobial activities against the tested pathogenic microorganisms. Finally, Aspergillus caespitosus is a promising nano‐factory for simple, green, and cost‐effective biosynthesis of AgNPs using extracellular and intracellular filtrates.
“…Where E λ is the relative erythema spectral effectiveness, S λ is solar spectral irradiance in W m −2 nm −1 ( E λ and S λ are obtained from the standard test method database); Τ λ is the spectral transmittance of the sample obtained from UV spectrophotometric measuring, and Δ λ the difference between measurable wavelength in nm. 30…”
Section: Experimental Workmentioning
confidence: 99%
“…The most common technique is pad–dry–cure conventional finishing, in which NPs are deposited on the fabric surface and permeate the fiber and fabric interstices in this procedure. 2…”
Section: Introductionmentioning
confidence: 99%
“…1 Considerable interest has been paid to ZnO NPs, which exhibit various characteristics, such as chemical stability, inexpensiveness, accessibility, superiority over other inorganic and organic ultraviolet (UV) protective materials, and nontoxicity. 2,3 Furthermore, zinc ions, a natural product, are considered one of the most prevalent and nontoxic metals in the world. 4 ZnO NPs are innovative metal oxides with outstanding physicochemical characteristics.…”
This research focuses on the integration between functional finishing and the performance properties of polyester fabric for comfortable clothes. The effects of nanofinishing (zinc oxide nanoparticles and nano-polyurethane nanocomposite) on the ultraviolet protection properties of polyester fabric, the whiteness index, and the Kawabata Evaluation System were studied. Under the optimum finishing conditions, excellent protection (150) was achieved at lower concentrations of the nanocomposite, and zinc oxide nanoparticles individually enhanced the whiteness index (73). The results of the Kawabata Evaluation System showed that the finishing processes improved mechanical and performance properties (tensile, shearing, bending, compression, surface roughness, thermal, and hand properties), indicating that all the finished fabrics offered enhanced functionality, thermal and comfort properties. Enhanced total hand value properties (3.7 for summer and 5.1 for winter) were realized by finishing, assuming the finished fabrics were applied to men’s shirts and women’s dresses for summer and winter apparel. Scanning electron microscopy and energy disperse X-ray spectroscopy analyses showed a uniform layer of zinc oxide nanoparticles and nano polyurethane on the fiber surface. Fourier transform infrared spectroscopy confirmed the structural changes in the finished fabric.
In the face of changing outdoor environments, it is necessary for us to develop advanced textiles with thermal regulation and hydrophobic properties. In order to create a fabric with both temperature control and waterproof properties, the study adjusted the ratio of polystyrene (PS) and polyvinylidene fluoride (PVDF) to produce nanofiber membranes with excellent morphology and dirt resistant properties. Furthermore, the hydrophobicity of the nanofibers was further improved by adding SiO2 to the spinning solution. Based on this, a core solution of octadecane (Oct) was used to give it thermal regulation functionality through coaxial electrospinning technique. The resulting composite nanofiber membrane exhibited excellent hydrophobicity and thermal regulation performance. The measurement results obtained from Differential Scanning Calorimetry (DSC) indicate that the maximum Oct encapsulation rate of the PS/PVDF/SiO2@Oct nanofiber membrane is 58.36%. The latent heat of the composite nanofiber membrane is 148.84 J/g, and the water contact angle (WCA) is 135°. The multifunctional composite nanofiber has great potential for applications in outdoor protective clothing and outdoor electronic device protection.
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