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Phyto-assisted synthesis, characterization and applications of gold nanoparticles – A review

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TLDR
This review mainly focused on plants which include scientific name, family name, common name, plant parts, its characterization, size and shape of the nanoparticles, and their potential applications.
Abstract
Nanotechnology is the formation, running and use of operation at the nanomaterial size scale (1-100 nm). Nanoscale materials can also be obtained by biological synthesis materials via eco-friendly green chemistry based technique. Current development and numerous strategies involved in the green synthesis of nanoparticles were focussed. This review mainly focused on plants which include scientific name, family name, common name, plant parts, its characterization, size and shape of the nanoparticles. Plant extract which was done experimentally gives its various characterization which leads to the identification of compounds of different nano size and shape. Biosynthesis of gold nanoparticles is in different shapes like spherical, rod, cubic, triangle and also in different sizes. Various application and importance of gold nanoparticles in numerous fields were discussed. The mark of the review is to provide an overview of recent learning in biosynthesized nanoparticles, its characterization and their potential applications.

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Review of the methodologies used in the synthesis gold nanoparticles by chemical reduction

TL;DR: A review in gold nanoparticles focusing on chemical reduction synthesis mechanisms is presented in this paper, where the most commonly used synthesis methods are: Turkevich Method, NaBH4 with/without citrate, Seeding-Growth, Synthesis by Ascorbic Acid, Green Synthesis, Brust-Schiffrin, and synthesis using other reducing agents.
Journal ArticleDOI

A Review on the Synthesis and Functionalization of Gold Nanoparticles as a Drug Delivery Vehicle.

TL;DR: This review focuses on recent advances in various methods of synthesis of gold nanoparticles and strategies of functionalization and mechanisms of application of AuNPs in drug and bio-macromolecule delivery and release of payloads at target site are comprehensively discussed.
Journal ArticleDOI

State-of-the-art heat transfer fluids for parabolic trough collector

TL;DR: In this article, the most recent advancement in heat transfer fluids, their preparation and stability issues when doped with nanoparticles are discussed and compared and their preparation methods and properties are discussed.
Journal ArticleDOI

Biogenic platinum nanoparticles using black cumin seed and their potential usage as antimicrobial and anticancer agent.

TL;DR: The cytotoxicity and bacterial tests showed the effectiveness of biogenic Pt nanoparticles, and Pt NPs showed high zone diameters against gram-positive and gram-negative bacteria at concentrations of 100 and 500 μg/ml.
Journal ArticleDOI

Preparation of antimicrobial metallic nanoparticles with bioactive compounds.

TL;DR: This review has focused on the antimicrobial properties of metal nanoparticles synthesized using plant-derived secondary metabolites instead of crude extract and the evaluation of the toxicity and safety of phytochemicals coatedMetal nanoparticles has been conducted.
References
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Journal ArticleDOI

Optimization and stabilization of gold nanoparticles by using herbal plant extract with microwave heating

TL;DR: The gold nanoparticles were synthesized rapidly by the involvement of microwave heating and the biochemical like alkaloids and flavonoids play a vital role in the nanoparticles synthesis was identified using the Fourier Transform Infrared Spectroscopy (FTIR).
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Facile bio-synthesis of gold nanoparticles by using extract of Hibiscus sabdariffa and evaluation of its cytotoxicity against U87 glioblastoma cells under hyperglycemic condition

TL;DR: In this article, a facile synthesis of gold nanoparticles is reported with leaf and stem extract of Hibiscus sabdariffa. Structural features of as synthesized nanoparticles are characterized by UV-vis spectroscopy, XRD, FTIR, and XPS.
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Controllable biosynthesis of gold nanoparticles from a Eucommia ulmoides bark aqueous extract.

TL;DR: The as-synthesized AuNPs show excellent catalytic activity for the catalytic reducing decoloration of model compounds of azo-dye: reactive yellow 179 and Congo red.
Journal ArticleDOI

Synthesis of gold nanoparticles by Cacumen Platycladi leaf extract and its simulated solution: toward the plant-mediated biosynthetic mechanism

TL;DR: In this article, Cacumen Platycladi leaf extract and the simulation of its active components were thoroughly investigated and the results showed that flavonoid and reducing sugar were the main reductive and protective components in the extract vital in the biosynthesis of the AuNPs.
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Fungus mediated synthesis of gold nanoparticles and their conjugation with genomic DNA isolated from Escherichia coli and Staphylococcus aureus

TL;DR: The slight red shift of the surface plasmon (SP) band and minor aggregations noticed in Bio-TEM images for the DNA conjugated gold nanoparticles indicates that the genomic DNA could stabilize the particles against aggregation owing to negatively charged phosphate backbone.
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