Synthesis Of Gold Nanoparticles Using Guava Plant

An eco

Abstract A biomimetic method of gold nanoparticles synthesis utilizing the highly invasive aquatic weed pistia (Pistia stratiotes) is presented In an attempt to utilize the entire plant the efficacy of the extracts of all its parts – aerial and submerged – was explored with different proportions of gold (III) solution in generating gold nanoparticles (GNPs) Get price

Sharanabasava Ganachari

Biofunctionalized gold and silver nanoparticles synthesized using different plant extracts of guava and clove in vitro anti-cancer efficacy against four different cancer cell lines human colorectal adenocarcinoma human kidney human chronic myelogenous leukemia bone marrow and human cervix have been studied and reported Get price

Ravishankar Bhat

Green synthesis of nanoparticles: current prospectus

Sable N Gaikwad S Bonde S Gade A Rai MM Phytofabrication of silver nanoparticles by using aquatic plant Hydrilla Rahuman AA Perumal P Green synthesis of gold nanoparticles using seed aqueous A Biosynthesis of stable polyshaped gold nanoparticles from microwave-exposed aqueous extracellular anti-malignant guava Psidium Get price

Synthesis of Silver Nanoparticles using Leaf Extract of

INTRODUCTION There is growing need to develop eco-friendly and body benign nanoparticle synthesis process without use of toxic chemicals in the synthesis of protocols to avoid adverse effects in biomedical applications (Ankamwar 2010) Nanometal particles especially silver have drawn the attention of researchers (Safaepour et al 2009) Get price

Pharmaceutical Sciences And Research

Metal nanoparticles have been using as an ingredients in the preparation of complementary medicines to cure different diseases is an age old medicinal practices The plant based Ayurvedic preparations are preferred by 80% of the world population and WHO is encouraging the green medicine due to Get price

Green Synthesis of Copper Nanoparticles Using Ocimum

In conclusion here we report eco-friendly synthesis of Cu nanoparticles using leaf borth extract of Ocimum sanctum This method has merits over other reported methods are easily available starting materials inexpensive and procedure is easy to carry out any laboratory use of toxic reagent is avoided and pollution free Get price

Fungus

Fungus-mediated biological synthesis of gold nanoparticles: potential in detection of liver cancer Guava Technologies Hayward CA) and the data were analyzed accordingly Chandran SP Chaudhary M Pasricha R Ahmad A Sastry M Synthesis of gold nanotriangles and silver nanoparticles using Aloe vera plant extractBiotechnol Prog Year Get price

WO2016106466A1

The invention relates to the field of nanotechnology more specifically the production of gold nanoparticles (AuNPs) from plant extracts derived from leaves stems seeds flowers fruit or latex of plant species such as Colliguaja salicifolia Pittosporum undulatum Acca sellowiana Ugni molinae and Colliguaja integerrima in which natural biocatalysts of said plants participate Get price

A green method for the synthesis of Copper Nanoparticles

Copper nanoparticles (Cu NP) are very attractive due to their heat transfer properties such as high thermal conductivity Cu NP also have high surface area to volume ratio low production cost antibacterial potency catalytic activity optical and magnetic properties as compared to precision metals such as gold silver or palladium Get price

MICROWAVE

Plant leaf extract of onion 9 Syzygium cumini 10 basil 11 Saraca indica 12 black pepper 13 and banana peel 14 had been used for the synthesis of gold and silver nanoparticles which lead to formation of pure metallic nanoparticles of silver and gold and can be used directly The chemical methods are extremely expensive and use toxic Get price

Biogenic Synthesis of Metallic Nanoparticles by Plant

The use of plant biomass or extracts for the biosynthesis of novel metal nanoparticles (silver gold platinum and palladium) would be more significant if the nanoparticles are synthesized extracellularly and in a controlled manner according to their dispersity of shape and size Get price

Biogenic synthesis of silver nanoparticles using guava

Biogenic synthesis of silver nanoparticles using guava The silver nanoparticles synthesis using plant (leaf) extract is an emerging field because plant part acts as reducing as well as capping agent and free from toxic chemical Park JH Balachandar V Oh BT (2014) Synthesis os silver and gold nanoparticles using cashew nut shell liquid Get price

US20150218524A1

There is described a process for production of metal-coated virus particles or metallic nanoparticles said process comprising admixing virus particles with plant material with reducing power and a metal salt wherein the process can be provided in planta or ex planta and the virus particles aid the production of the metal-coated virus particles or metallic nanoparticles Get price

Study of mechanism of enhanced antibacterial activity by

The extensive use of silver nanoparticles needs a synthesis process that is greener without compromising their properties The present study describes a novel green synthesis of silver nanoparticles using Guava (Psidium guajava) leaf extract In order to compare with the conventionally synthesized ones we also prepared Ag-NPs by chemical reduction Get price

Green synthesis of gold nanoparticles using plant extract

Green synthesis of gold nanoparticles using plant extracts This review focuses on the synthesis of AuNPs in which plant extracts are used The reaction is generally completed in a short time Gold nanoparticles and many other nanoparticles could be produced by this method Recently AuNPs were synthesized using Piper longum extract The Get price

Metal photocatalysis by red and black nano

The unique electronic and chemical property of colloidal gold nanoparticles in aqueous solution is being extensively studied for the development of new generation nanoscale devices In this work gold colloids of different colour morphology and size were synthesized using leaf extract of guava Get price

IET Digital Library: Plants as potential synthesiser of

The synthesis of metal nanoparticles is an active area of research in the field of nanotechnology A variety of chemical and physical methods are used for synthesis of nanoparticles However these methods suffer from many drawbacks including use of toxic solvents high energy consumption hazardous by products etc Hence there is an essential need to develop environment-friendly Get price

Synthesis of silver nanoparticles using pine mushroom

Jul 01 2014The extensive use of silver nanoparticles needs a synthesis process that is greener without compromising their properties The present study describes a novel green synthesis of silver nanoparticles using Guava (Psidium guajava) leaf extract In order to compare with the conventionally synthesized ones we also prepared Ag-NPs by chemical Get price

GREEN SYNTHESIS AND ANTIBACTERIAL ACTIVITIES OF

1st Mae Fah Luang University International Conference 2012 5 Figure 2 Synthesis of silver nanoparticles using different AgNO3 concentration Effect of reaction time and temperature on preparation of silver nanoparticles Guava red grape and cherry tomato extracts were selected to react with 0 001M of AgNO3 at different reaction time and the color changes which indicate the formation of Get price

Study of mechanism of enhanced antibacterial activity by

LIST OF PATENTS AND PUBLICATIONS

synthesis of Gold and Silver bioactive Nanoparticles from (Psidium Guajava) Guava Leaves Bangalore Nano 2007 2 Poster Presentation: Gold nanoparticle cancer cell interaction study 2nd Bangalore Nano 2008 3 Poster presentation: Probable Mechanisms in the bio-synthesis of noble metallic nanoparticles by Plant extracts" Presented andGet price

Synthesis of Gold Nanoparticles using Plant Extract: An

The unique properties of gold nanoparticles (AuNPs) make them attractive for use in a number of fields ranging from cosmetology to medicine If AuNPs are to be widely used in industrial and medical applications it is necessary to develop environmentally friendly methods for their synthesis Get price

SYNTHESIS AND CHARACTERIZATION OF SILVER

This is to certify that the thesis entitled "Synthesis and Characterization of Silver Nanoparticles using leaf extract of Azadirachta indica" by Tamasa Panigrahi (411LS2058) submitted to the National Institute of Technology Rourkela for the Degree of Master of Science is a record of bonafide researchGet price

Manal Ahmed Gasmelseed Awad Inventions Patents and Patent

Manal Ahmed Gasmelseed Awad has filed for patents to protect the following inventions This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO) Get price

Biological and green synthesis of silver nanoparticles

synthesis of metallic nanoparticles Here we have reported a simple biological and low-cost approach for preparation of stable silver nanoparticles by reduction of silver nitrate solution with a bioreduction method using manna of hedysarum aqueous extract as the reducing agent Soap-root extract was employed as a stabilizing agent Get price

Gold nanoparticle: synthesis and characterization

which are biocompatible and easily handled in Gold nanoparticles synthesis: Synthesis of gold applications [16 17] So this method is extensively nanoparticles was done with citrate reduction method used in GNP-based bioassays and biomedicine systems [11 21] A series of nanoparticles Get price

Nanoscience Technology Open Access

Gold nanoparticles (AuNPs) have been distinguished by their biocompatibility and unique structural electronic magnetic optical and catalytic properties [4] Due to this the synthesis of nanoparticles in general and AuNPs in particular in an economical and eco-friendly manner has become an important thrust area of nanotechnology [5 6] Get price

Green Synthesis of Noble Metal of Platinum Nanoparticles

such as silver gold and platinum Nanoparticles find vast applications in various fields ranging from medical to physical fields To meet the increasing demands for commercial nanoparticles new eco-friendly "green" methods of synthesis are being discovered Plant mediated synthesis of nanoparticles offers single step easyGet price

Green Adeptness in the Synthesis and Stabilization of

Dec 28 2017Phytochemicals for Reduction of Metal and Stabilizing the NPs Green synthesis of CuNPs by the use of phytochemicals offers more flexible control over the shape and size of the NPs (i e by changing reaction temperature concentration of plant extract metal salt concentration reaction time and pH of reaction mixture) Get price

Fungus

Synthesis of gold nanoparticles using C albicans cytosolic extract Different volumes (1–5 mL) of cytosolic extract were added to 5 mL solution of 10 −3 M aqueous HAuCl 4 and the volume was made up to 10 mL by adding the appropriate amount of deionized water The mixture was incubated for 24 hours to complete the reaction Get price

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