23
English
eng
Carbone, K.
Contributor
<p><span style="margin: 0px; padding: 0px; color: rgb(31, 31, 31); font-family: ElsevierGulliver, Georgia, "Times New Roman", Times, STIXGeneral, "Cambria Math", "Lucida Sans Unicode", "Microsoft Sans Serif", "Segoe UI Symbol", "Arial Unicode MS", serif; font-size: 16px;"><span style="margin: 0px; padding: 0px;">A simple, eco-friendly, cost-effective and rapid microwave-assisted method has been developed to synthetize dendritic silver <a href="https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/nanomaterial" title="Learn more about nanostructures from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">nanostructures</a>, composed of silver </span><a href="https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/nanoparticle" title="Learn more about nanoparticles from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">nanoparticles</a><span style="margin: 0px; padding: 0px;"> (AgNPs), using white <a href="https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/grape-pomace" title="Learn more about grape pomace from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">grape pomace</a> aqueous extract (WGPE) as both reducing and capping agent. With this aim, WGPE and AgNO</span></span><span style="margin: 0px; padding: 0px; font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em; color: rgb(31, 31, 31); font-family: ElsevierGulliver, Georgia, "Times New Roman", Times, STIXGeneral, "Cambria Math", "Lucida Sans Unicode", "Microsoft Sans Serif", "Segoe UI Symbol", "Arial Unicode MS", serif;">3</span><span style="margin: 0px; padding: 0px; color: rgb(31, 31, 31); font-family: ElsevierGulliver, Georgia, "Times New Roman", Times, STIXGeneral, "Cambria Math", "Lucida Sans Unicode", "Microsoft Sans Serif", "Segoe UI Symbol", "Arial Unicode MS", serif; font-size: 16px;"><span style="margin: 0px; padding: 0px;"> (1 mM) were mixed at different ratio, and microwave irradiated at 700 W, for 40 s. To understand the role of <a href="https://www.sciencedirect.com/topics/food-science/bioactive-compound" title="Learn more about bioactive compounds from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">bioactive compounds</a> involved in the green synthesis of </span><a href="https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/silver-nanoparticle" title="Learn more about AgNPs from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">AgNPs</a>, preliminary chemical characterization, FT-IR analysis and </span><span style="margin: 0px; padding: 0px; font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; top: -0.5em; color: rgb(31, 31, 31); font-family: ElsevierGulliver, Georgia, "Times New Roman", Times, STIXGeneral, "Cambria Math", "Lucida Sans Unicode", "Microsoft Sans Serif", "Segoe UI Symbol", "Arial Unicode MS", serif;">1</span><span style="margin: 0px; padding: 0px; color: rgb(31, 31, 31); font-family: ElsevierGulliver, Georgia, "Times New Roman", Times, STIXGeneral, "Cambria Math", "Lucida Sans Unicode", "Microsoft Sans Serif", "Segoe UI Symbol", "Arial Unicode MS", serif; font-size: 16px;"><span style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px;">H NMR metabolite profiling of WGPE were carried out. The effects of bioactive extract concentration and stability over time on AgNPs formation were also evaluated. WGPE-mediated silver <a href="https://www.sciencedirect.com/topics/materials-science/nanocrystalline-material" title="Learn more about nanostructures from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">nanostructures</a> were then characterized by UV–vis, FTIR analyses, and scanning </span><a href="https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/electron-microscopy" title="Learn more about electron microscopy from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">electron microscopy</a>. Interestingly, the formation of dendritic nanostructures, originated from the self-assembly of Ag rounded </span><a href="https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/nanoparticle" title="Learn more about nanoparticles from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">nanoparticles</a><span style="margin: 0px; padding: 0px;"> (average diameter of 33 ± 6 nm), was observed and ascribed to the use of microwave power and the presence of organic components within the used WGPE, inducing an anisotropic crystal growth and promoting a diffusion-limited aggregation mechanism. The bio-dendritic synthetized nanostructures were also evaluated for potential applications in bio-sensing and agricultural fields. <a href="https://www.sciencedirect.com/topics/materials-science/cyclic-voltammetry" title="Learn more about Cyclic voltammetry from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">Cyclic voltammetry</a> measurements in 0.5 M phosphate + 0.1 M KCl buffer, pH 7.4 showed that green AgNPs possess the electroactive properties typical of AgNPs produced using chemical protocol. The </span></span><a href="https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/biological-activity" title="Learn more about biological activity from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">biological activity</a><span style="margin: 0px; padding: 0px;"> of synthetized AgNPs was evaluated by in-vitro <a href="https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/antifungal-activity" title="Learn more about antifungal activity from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">antifungal activity</a> against </span></span><em style="margin: 0px; padding: 0px; color: rgb(31, 31, 31); font-family: ElsevierGulliver, Georgia, "Times New Roman", Times, STIXGeneral, "Cambria Math", "Lucida Sans Unicode", "Microsoft Sans Serif", "Segoe UI Symbol", "Arial Unicode MS", serif; font-size: 16px;">F. graminearum</em><span style="margin: 0px; padding: 0px; color: rgb(31, 31, 31); font-family: ElsevierGulliver, Georgia, "Times New Roman", Times, STIXGeneral, "Cambria Math", "Lucida Sans Unicode", "Microsoft Sans Serif", "Segoe UI Symbol", "Arial Unicode MS", serif; font-size: 16px;"><span style="margin: 0px; padding: 0px;">. Additionally, a <a href="https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/phytotoxicity" title="Learn more about phytotoxicity from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">phytotoxicity</a> evaluation of synthetized green nanostructures was carried out on wheat </span><a href="https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/seed-germination" title="Learn more about seed germination from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">seed germination</a><span style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px;">. Results highlighted the potential of WGPE as green agent for bio-inspired <a href="https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/nanomaterial" title="Learn more about nanomaterial from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">nanomaterial</a> synthesis, and of green Ag nanostructures, which can be used as </span><a href="https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/antifungal-agent" title="Learn more about antifungal agent from ScienceDirect's AI-generated Topic Pages" class="topic-link" style="margin: 0px; padding: 0px; background-color: transparent; word-break: break-word; text-decoration-line: underline; text-decoration-thickness: 1px; text-decoration-color: rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;">antifungal agent</a> and in biosensing applications.</span></span><br></p>
Elsevier Ltd.
July 2019
pdf
Arabian Journal of Chemistry
A completely green approach to the synthesis of dendritic silver nanostructures starting from white grape pomace as a potential nanofactory
mixed material
Elsevier Ltd.