Highly effective antibacterial textiles containing green synthesized silver nanoparticles

Hebeish, A.; El‐Naggar, Mehrez E.; Fouda, Moustafa M.G.; Ramadan, Manal M.; Al‐Deyab, Salem S.; El‐Rafie, M. H.

doi:10.1016/j.carbpol.2011.05.048

Cited by 246 publications

(117 citation statements)

References 21 publications

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“…Microcapsule technology offers various significant applications in many fields, including chemical science, bioscience, biotechnology, and drug delivery systems (Singh et al, 2010). It is reported that microcapsules can increase the adhesive strength with fiber and slow down the process of drug release (De Geest et al, 2009;Hebeish et al, 2011). Otherwise, Plasma-surface modification (PSM) is an effective and economical surface treatment technique for many materials and is of growing interest in the field of biomedical engineering (Encinas et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Preparation and Characteristic of Antibacterial Facemasks with Chinese Herbal Microcapsules

Wang

Kang

You

et al. 2017

Aerosol Air Qual. Res.

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Along with the current increases in human activities, air pollution, especially that generated from bioaerosols, has begun to receive more extensive attention. Among the bioaerosols, bacteria and fungi can result in organisms that are pathogenic to animals and humans. Therefore, a biological protective respirator with an antibacterial function would be a significant method by which to prevent epidemic spread of respiratory infectious diseases and protect human health. In this study, a type of facemask with an antibacterial function was prepared. The structure of the respirator included a respirator body and an inner filter layer that was assembled with herbal microcapsules. A kind of Chinese herb microcapsule developed through a cross-linking reaction method was successfully prepared to serve as an important component of the respirator. Scutellaria baicalensis (SB), a typical Chinese medicine, was employed to prepare the Chinese herb microcapsule. Three kinds of filter cloth (cotton, polyester fiber, and non-woven fabric, respectively) were employed to assemble with Chinese herb microcapsule. Meanwhile, the antibacterial performance and adhesion of the Chinese herb microcapsule for E. coli and S. aureus were investigated. The measurement results revealed that (i) the antibacterial efficiency of the Chinese herb microcapsule and the respirator filter was above approximately 99.999 and 96.000%, respectively; (ii) the adhesion of the herb microcapsules was still excellent after the filter was washed 100 times; (iii) the as-prepared antibacterial filter modified by an O 2 plasma-surface (PSM-O 2 ) treatment exhibited excellent antibacterial performance. Finally, a chamber simulation utilizing an Anderson first order sampler was designed to simulate the effect of wearing the antibacterial filter in a real environment. Overall, the respirator exhibited excellent biological protection properties compared with general masks, which will satisfy a vast number of application prospects.

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Section: Introductionmentioning

confidence: 99%

Preparation and Characteristic of Antibacterial Facemasks with Chinese Herbal Microcapsules

Wang

Kang

You

et al. 2017

Aerosol Air Qual. Res.

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“…In the study (Hebeish 2011), the 50 ppm nAg concentration used to impregnate textiles showed 96% inhibition of the bacterial growth for E. coli and S. aureus. The nAg solutions coming from samples of impregnated textiles used in 5 washing cycles inhibited the microorganism growth by 71-74%.…”

Section: Metal Nanoparticlesmentioning

confidence: 94%

Inorganic nanomaterials in the aquatic environment: behavior, toxicity, and interaction with environmental elements

Krzyżewska¹,

Kyzioł-Komosińska²,

Rosik-Dulewska³

et al. 2016

Archives of Environmental Protection

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Abstract:The aim of this paper is to present characteristics, toxicity and environmental behavior of nanoparticles (NPs) (silver, copper, gold, zinc oxide, titanium dioxide, iron oxide) that most frequently occur in consumer products. In addition, NPs are addressed as the new aquatic environmental pollutant of the 21 st century. NPs are adsorbed onto particles in the aquatic systems (clay minerals, fulvic and humic acids), or they can adsorb environmental pollutants (heavy metal ions, organic compounds). Nanosilver (nAg) is released from consumer products into the aquatic environment. It can threaten aquatic organisms with high toxicity. Interestingly, copper nanoparticles (Cu-NPs) demonstrate higher toxicity to bacteria and aquatic microorganisms than those of nanosilver nAg. Their small size and reactivity can cause penetration into the tissues and interfere with the metabolic systems of living organisms and bacterial biogeochemical cycles. The behavior of NPs is not fully recognized. Nevertheless, it is known that NPs can agglomerate, bind with ions (chlorides, sulphates, phosphates) or organic compounds. They can also be bound or immobilized by slurry. The NPs behavior depends on process conditions, i.e. pH, ionic strength, temperature and presence of other chemical compounds. It is unknown how NPs behave in the aquatic environment. Therefore, the research on this problem should be carried out under different process conditions. As for the toxicity, it is important to understand where the differences in the research results come from. As NPs have an impact on not only aquatic organisms but also human health and life, it is necessary to recognize their toxic doses and know standards/regulations that determine the permissible concentrations of NPs in the environment.Unauthenticated Download Date | 5/12/18 7:36 AM

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“…The colour of the colloidal solution dispersion is due to the excitation of surface Plasmon vibrations in the AgNPs (18)(19) . Figure 1 shows the UV-vis absorption spectroscopy for alkali dissolved starch and AgNPs colloidal solution after dilution the powder; AgNPs powder was diluted 1:100.…”

Section: Preparation Of Powdred Silver Nanoparticlesmentioning

confidence: 99%

More Insight on Charcterization of Nano-sized Particles of Silver Powder and their Application in Antimicrobial Wound Dressing and Anti-inflammatory Efficacy

2013

Egypt. J. Chem.

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Highly effective antibacterial textiles containing green synthesized silver nanoparticles

Cited by 246 publications

References 21 publications

Preparation and Characteristic of Antibacterial Facemasks with Chinese Herbal Microcapsules

Preparation and Characteristic of Antibacterial Facemasks with Chinese Herbal Microcapsules

Inorganic nanomaterials in the aquatic environment: behavior, toxicity, and interaction with environmental elements

More Insight on Charcterization of Nano-sized Particles of Silver Powder and their Application in Antimicrobial Wound Dressing and Anti-inflammatory Efficacy

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