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Browsing by Subject "Silver nanoparticles"

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Bio-synthesis of silver nanoparticles using agroforestry residue and their catalytic degradation for sustainable waste management

Author: Anand, K ; Kaviyarasu, K ; Muniyasamy, Sudhakar ; Roopan, SM ; Gengan, RM ; Chuturgoon, AA Date: Jul 2017 The sustainable synthesis of nanoparticles provides an eco-friendly and interesting approach in the domain of clean synthesis and nanobiotechnology. The in vitro synthesis of silver nanoparticles from the aqueous extract of an indigenous South ... Read more
Cellulose–polymer–Ag nanocomposite fibers for antibacterial fabrics/skin scaffolds

Author: Raghavendra, GM ; Jayaramudu, T ; Varaprasad, K ; Sadiku, R ; Ray, SS ; Raju, KM Date: Apr 2013 Natural carbohydrates (polysaccharides): gum acacia (GA) and gaur gum (GG) were employed in dilute solutions: 0.3%, 0.5% and 0.7% (w/v), as effective reductants for the green synthesis of silver nanoparticles (AgNPs) from AgNO3. The formed ... Read more
Combined silver nanoparticles and temperature effects in the Cape River crab Potamanautes perlatus - Interactions between chemical and climatic stressors

Author: Walters, Chavon R ; Cheng, Po-Hsun ; Pool, EJ ; Somerset, VS Date: Mar 2017 The influence of silver nanoparticles (AgNPs) and temperature variation on toxicity and oxidative stress responses were investigated in the tissues of the Cape River crab Potamanautes perlatus following a seven-day exposure period. Toxicity ... Read more
Development of multifunctional nano/ultrafiltration membrane based on a chitosan thin film on alginate electrospun nanofibres

Author: Mokhena, Teboho C ; Luyt, AS Date: Jul 2017 The aim of this study was to develop a high flux three-tier composite membrane composed of a coating layer based on chitosan and chitosan with silver nanoparticles, electrospun alginate nanofibres as a midlayer and nonwoven as a mechanical ... Read more
The effects of silver nanoparticles on RAW 264.7. Macrophages and human whole blood cell cultures

Author: Lategan, KL ; Walters, Chavon R ; Pool, EJ Date: Jan 2019 Silver nanoparticles (AgNPs) are commonly found in consumer products due to their antimicrobial properties. This study evaluated the effects of AgNPs on the murine macrophage cell line RAW 264.7 and human whole blood cell cultures (WBCs). ... Read more
Electrospun alginate nanofibres impregnated with silver nanoparticles: Preparation, morphology and antibacterial properties

Author: Mokhena, Teboho C ; Luyt, AS Date: Jun 2017 Silver nanoparticles are amongst the most valuable nanoparticles with interesting properties, such as a non-toxic nature and high antibacterial efficiency, making them applicable for tissue scaffold, protective clothing and wound dressing. ... Read more
Exposure media and nanoparticle size influence on the fate, bioaccumulation, and toxicity of silver nanoparticles to higher plant salvinia minima

Author: Thwala, Melusi ; Klaine, S ; Musee, N Date: Apr 2021 Silver nanoparticles (AgNPs) are favoured antibacterial agents in nano-enabled products and can be released into water resources where they potentially elicit adverse effects. Herein, interactions of 10 and 40 nm AgNPs (10-AgNPs and 40-AgNPs) ... Read more
Femtosecond laser ablation of silver foil with single and double pulses

Author: Roberts, DE ; Du Plessis, A ; Botha, LR Date: 2009 The average ablation depth per pulse of silver foil by 130 fs laser pulses has been measured in vacuum over a range of three orders of magnitude of pulse fluence up to 900 J cm_2. In addition, double pulses with separations up to 3.4 ns have ... Read more
Femtosecond laser ablation of silver foil with single and double pulses

Author: Roberts, DE ; Du Plessis, A ; Botha, LR Date: 2009 The average ablation depth per pulse of silver foil by 130 fs laser pulses has been measured in vacuum over a range of three orders of magnitude of pulse fluence up to 900 J cm-2. In addition, double pulses with separations up to 3.4 ns have ... Read more
Leaching and antimicrobial properties of silver nanoparticles loaded onto natural zeolite clinoptilolite by ion exchange and wet impregnation

Author: Missengue, RNM ; Musyoka, Nicholas M ; Madzivire, G ; Babajide, O ; Fatoba, OO ; Tuffin, M ; Petrik, LF Date: Nov 2015 This study aimed to compare the leaching and antimicrobial properties of silver that was loaded onto the natural zeolite clinoptilolite by ion exchange and wet impregnation. Silver ions were reduced using sodium borohydride (NaBH(sub4)). The ... Read more
Potential susceptibility inhibitory effect of Ag and ZnO engineered nanoparticles on bacterial strains: effect of pH and temperature

Author: Mboyi, A ; Musee, N ; Zvimba, JN ; Momba, MNB Date: Aug 2013 The economic and social benefits of metallic silver (n-Ag) and zinc oxide (n-ZnO) engineered nanoparticles (ENPs) applications in medical, technological, environmental remediation, consumer products, among other have widely been demonstrated. ... Read more
Silver nanoparticles decorated on a three-dimensional graphene scaffold for electrochemical applications

Author: Bello, A ; Fabiane, M ; Dodoo-Arhin, D ; Ozoemena, KI ; Manyala, N Date: Jan 2014 Silver metal nanoparticles were decorated by electron beam evaporation on graphene foam (GF) grown by chemical vapour deposition. X-ray diffraction, Raman spectroscopy, scanning and transmission electron microscopy, and atomic force microscopy ... Read more
Stability of silver nanoparticles (nAg) in aqueous solution: the role of particle size and water ionic strength

Author: Radebe, N ; Cele, LM ; Sikhwivhilu, L ; Shumbula, P ; Musee, N ; Thwala, Melusi Date: 2014 Silver nanoparticles (nAg) are currently some of the widely produced and applied in commercial products. Their high usage translates to an increased potential to environmental release, and more concerning is their complex toxicity towards ... Read more

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Browsing by Subject "Silver nanoparticles"

Browsing by Subject "Silver nanoparticles"

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