preparation of metal nanoparticles by using guava leaves

Biosynthesis of tin oxide nanoparticles using Psidium

In present investigation green synthesis of tin oxide (SnO 2) nanoparticles has been carried out by simple, ecofriendly and low cost process using guava (Psidium Guajava) leaf extract.The assynthesized SnO 2 nanoparticles were characterized by UVvisible spectroscopy, Fourier transform infrared spectroscopy, Xray powder diffraction, Transmission electron microscopy, Field emission

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LIST OF PATENTS AND PUBLICATIONS Shodhganga

LIST OF PATENTS AND PUBLICATIONS 1. Biosynthesis of metal nanoparticles using Cow Milk Preparations Biosynthesis of silver nanoparticles using guava leaf extract. (Journal of Nanoparticle Research, Springer, Impact Factor 2.48) DOI: 10.1007/s1105101099568O. 4. Biosynthesis of silver nanoparticles using clove buds extract. Preparation

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Green Synthesis of silver nanoparticles using herbal

4) Preparation of plant extract by using different solvent 5) Green Synthesis of silver metal nanoparticle by using plant extract 6) Isolation and characterization of nanoparticle 7) Biological appliion 8) Stability studies of synthesized nanoparticles

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Synthesis and electrochemical characterization of zinc

In recent years for synthesis of metal nanoparticles researchers give attention to develop efficient green chemistry method. In this article cost effective and ecofriendly method for the synthesis of zinc oxide nanoparticles using leaf extract of guava plant. Reduction of metal ions through leaf extracts

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Green Synthesis of Iron Oxide Nanoparticles using

robust coating on the metal nanoparticles in a single step13, 14]. The synthesis of metal nanoparticles using inactivated plant tissue, plant extracts, exudates, and other parts of living plants is a modern alternative for their production15. Green synthesis of nanoparticles makes sure of environmental friendly, nontoxic and safe reagents. Fe

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(PDF) Green Synthesis of Silver Nanoparticles using

This report shows a rapid and ecofriendly method for green synthesis of silver nanoparticles from aqueous solution of silver nitrate using Psidium Guajava leaf extract as reductant and stabilizer. These biosynthesized nanoparticles were

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CHAPTER3 THEORETICAL AND EXPERIMENTAL ANALYSES

CHAPTER3 THEORETICAL AND EXPERIMENTAL ANALYSES Metal nanoparticles exhibiting unique properties have 3.5.1 Biosynthesis of silver nanoparticles using guava leaf extract (Journal of Nanoparticle Research, Springer, IF 2.48) DOI: 10.1007/s1105101099568O.

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CHAPTER3 THEORETICAL AND EXPERIMENTAL ANALYSES

CHAPTER3 THEORETICAL AND EXPERIMENTAL ANALYSES Metal nanoparticles exhibiting unique properties have 3.5.1 Biosynthesis of silver nanoparticles using guava leaf extract (Journal of Nanoparticle Research, Springer, IF 2.48) DOI: 10.1007/s1105101099568O.

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(PDF) Green Synthesis of Silver Nanoparticles using

Effect of leaf extract concentration on synthesis of silver nanoparticles The UVvis absorption spectra of AgNPs were prepared using different concentrations of leaf extract (0.5, 1, 1.5, 2, 2.5, 3, and 3.5), where the AgNO3 concentration was kept constant at 1mM as shown in figure 1(b).

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"Green" Nanotechnologies: Synthesis of Metal Nanoparticles

The widespread practical appliion of metal nanoparticles (particles less than 100 nm) is attributable to a number of their unique properties [14]. Different physical and chemical processes are currently widely used to synthesize metal nanoparticles, which allow one to obtain particles with the desired characteristics [58].

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ECOFRIENDLY GREEN SYNTHESIS OF IRON NANOPARTICLES

Biosynthesis of metal nanoparticles extracted from different parts (mostly leaf) of the plant is the most effective process of synthesis at a very affordable cost. During the synthesis bioreduction of metal ions takes place. According to the researchers the polyol components present in the plant extract are responsible for the reduction of iron

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(PDF) GREEN SYNTHESIS OF SILVER NANOPARTICLES USING

This report shows a rapid and ecofriendly method for green synthesis of silver nanoparticles from aqueous solution of silver nitrate using Psidium Guajava leaf extract as

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Biosynthesis of tin oxide nanoparticles using Psidium

In present investigation green synthesis of tin oxide (SnO 2) nanoparticles has been carried out by simple, ecofriendly and low cost process using guava (Psidium Guajava) leaf extract.The assynthesized SnO 2 nanoparticles were characterized by UVvisible spectroscopy, Fourier transform infrared spectroscopy, Xray powder diffraction, Transmission electron microscopy, Field emission

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LIST OF PATENTS AND PUBLICATIONS Shodhganga

LIST OF PATENTS AND PUBLICATIONS 1. Biosynthesis of metal nanoparticles using Cow Milk Preparations Biosynthesis of silver nanoparticles using guava leaf extract. (Journal of Nanoparticle Research, Springer, Impact Factor 2.48) DOI: 10.1007/s1105101099568O. 4. Biosynthesis of silver nanoparticles using clove buds extract. Preparation

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Green synthesis of titanium dioxide nanoparticles using

Green synthesis of titanium dioxide nanoparticles using Psidium guajava physical methods and even than the use of microbes, for the nanoscale metal synthesis due to the absence of any requirement to maintain an aseptic environment. eugenol and flavonoids in guava leaf[40]. Basha et al[41]

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Biogenic synthesis of silver nanoparticles using guava

synthesis route of Ag nanoparticles, using leaf extract, for the investigation of its antimicrobial activities. Thus, in this present study, an attempt has been done to synthesize silver nanoparticles using guava (Psidium guajava) leaf extract from the green chemistry perspective and to investigate the antimicrobial activities of these biosyn

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Green Synthesis of Noble Metal of Platinum Nanoparticles

Green Synthesis of Noble Metal of Platinum Nanoparticles from Ocimum sanctum (Tulsi) Plant Extracts N. Prabhu1, T. Gajendran2 2.2 Preparation of Leaf Extract In general manner, 30g of healthy and matured leaves of plants portion were selected and then washed thoroughly. These leaves were grinded well and collected using glass vessels.

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LIST OF PATENTS AND PUBLICATIONS Shodhganga

LIST OF PATENTS AND PUBLICATIONS 1. Biosynthesis of metal nanoparticles using Cow Milk Preparations Biosynthesis of silver nanoparticles using guava leaf extract. (Journal of Nanoparticle Research, Springer, Impact Factor 2.48) DOI: 10.1007/s1105101099568O. 4. Biosynthesis of silver nanoparticles using clove buds extract. Preparation

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Green Synthesis of Silver Nanoparticles using Spent Tea

Keywords: Green synthesis, Spent tea leaves extract, Silver Nanoparticles, AFM 1. Introduction 1The synthesis of metal nanoparticles is a vast area of research due to its novel appliions in many fields. Metal nanoparticles have unique physiochemical properties and great appliions in the fields of

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Green Synthesis of Silver Nanoparticles using Spent Tea

Keywords: Green synthesis, Spent tea leaves extract, Silver Nanoparticles, AFM 1. Introduction 1The synthesis of metal nanoparticles is a vast area of research due to its novel appliions in many fields. Metal nanoparticles have unique physiochemical properties and great appliions in

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Preparation of silver nanoparticles using leaf and fruit

are using bacteria, fungi for the synthesis of nanoparticles but use of a leaf extract reduce the cost as well as we do not require any special culture preparation and isolation techniques. Silver nanoparticles synthesized using aqueous extracts of different plant species were

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Green Synthesis of Iron Oxide Nanoparticles using

robust coating on the metal nanoparticles in a single step13, 14]. The synthesis of metal nanoparticles using inactivated plant tissue, plant extracts, exudates, and other parts of living plants is a modern alternative for their production15. Green synthesis of nanoparticles makes sure of environmental friendly, nontoxic and safe reagents. Fe

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Synthesis of Gold Nanoparticles using Plant Extract: An

This has motivated the researchers to synthesis the nanoparticles using this route that allow better control of shape and size for various appliions. Synthesis of gold nanoparticles using plant extracts Synthesis of gold nanoparticles using plant extract is useful not only because of its reduced environmental, but also because it Abstract

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''Green'' synthesis of metals and their oxide nanoparticles

Many researchers have employed green synthesis process for preparation of metal/metal oxide nanoparticles via plant leaf extracts to further explore their various appliions. Plants have biomolecules (like carbohydrates, proteins, and coenzyme) with exemplary potential to reduce metal salt into nanoparticles.

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Preparation of Gold Nanoparticles Using Tea: A Green

Jul 17, 2012 · A simple, economic, and environmentally benign experimental route to synthesize gold nanoparticles using tea leaves in an aqueous media at room temperature is described with a goal to introduce chemistry students to the concept of green chemistry as well as nanotechnology.

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SYNTHESIS AND CHARACTERIZATION OF SILVER

Page 2 DECLARATION I Tamasa Panigrahi hereby declare that, this project report entitled "Synthesis and Characterization of Silver Nanoparticles using leaf extract of Azadirachta indica", submitted by me, under the guidance of Dr. Suman Jha, Associate Professor, N.I.T., Rourkela is my own and has not been submitted to any other

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Synthesis and characterization of zinc oxide nanoparticles

article we followed green method for the synthesis of zinc oxide nanoparticles using leaf extract of guava plant. metal ions through leaf extracts leading to the formation of zinc oxide nanoparticles. The synthesized nanoparticles was characterized by FTIR, X Keywords: Zinc oxide nanoparticles, guava leaf extract, XRD, SEM Introduction

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Biogenesis of silver nanoparticles using selected plant

recent years the novel metal nanoparticles have been synthesised using neem leaf extract. [12]. The traditional value of banana is used since ancient years. The whole part of plant is used for medicinal purpose. Hence, utilization of banana leaf for AgNPs synthesis is novel technology [13, 14]. The fixed of nanotechnology is most active

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GREEN SYNTHESIS OF SILVER NANOPARTICLES USING

by collagen and ADP22 (adenosine 5diphosphate). Naheed Ahmad (2010)et al. reported that the rapid synthesis of silver nanoparticles using dried medicinal plant of basil23.To the best of our knowledge, the use of Ocimum leaf extract at room temperature for the green synthesis of silver nanoparticles has not been reported.

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Iron Complex Nanoparticles Synthesized by Eucalyptus Leaves

Iron–polyphenol complex nanoparticles (Fe–P NPs) were synthesized using Eucalyptus leaves, which have potential for water purifiion and groundwater remediation due to their excellent adsorption–flocculation capacity. The Fe–P NPs have been characterized using transmission electron microscope (TEM), Xray diffraction (XRD), and Xray absorption spectroscopy (XAS).

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ECOFRIENDLY GREEN SYNTHESIS OF IRON NANOPARTICLES

Biosynthesis of metal nanoparticles extracted from different parts (mostly leaf) of the plant is the most effective process of synthesis at a very affordable cost. During the synthesis bioreduction of metal ions takes place. According to the researchers the polyol components present in the plant extract are responsible for the reduction of iron

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Green synthesis of titanium dioxide nanoparticles by

GREEN SYNTHESIS OF TITANIUM DIOXIDE NANOPARTICLES BY NYCTANTHES ARBORTRISTIS LEAVES EXTRACT M. SUNDRARAJAN * The synthesis of metal and metal oxide nanoparticles has attracted considerable attention in physical, chemical, biological, medical, optical, mechanical and engineering sciences where

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A review on the classifiion, characterisation

The nanoparticles are generally classified into the organic, inorganic and carbon based particles in nanometric scale that has improved properties compared to larger sizes of respective materials. The nanoparticles show enhanced properties such as high reactivity, strength, surface area, sensitivity, stability, etc. because of their small size.

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green synthesis and characterizaton of ironoxide

green synthesis and characterizaton of ironoxide nanoparticles by guava aqueous leaves extract for doxorubicin drug loading were utilizes as precipitating agent for metal precursors. The guava leaves extract was the most powerful one. The shape and size of (Fe 2 O 3 Preparation of plant extract Fresh Leaves of guava, green tea, and

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Biogenic synthesis of silver nanoparticles using guava

synthesis route of Ag nanoparticles, using leaf extract, for the investigation of its antimicrobial activities. Thus, in this present study, an attempt has been done to synthesize silver nanoparticles using guava (Psidium guajava) leaf extract from the green chemistry perspective and to investigate the antimicrobial activities of these biosyn

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Green Synthesis of Iron Oxide Nanoparticles using

robust coating on the metal nanoparticles in a single step13, 14]. The synthesis of metal nanoparticles using inactivated plant tissue, plant extracts, exudates, and other parts of living plants is a modern alternative for their production15. Green synthesis of nanoparticles makes sure of environmental friendly, nontoxic and safe reagents. Fe

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Red tea leaves infusion as a reducing and stabilizing

nanoparticles using guava leaf (Psidium guajava L) extract Pichsinee Somchaidee and Karaked a number of approaches are available for metal nanoparticles preparation using chemical and physical methods. responsible for metal ions reduction. Tea leaves contain more than 2000 components including polyphenols, alkaloids, vita

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"Green" Nanotechnologies: Synthesis of Metal Nanoparticles

The widespread practical appliion of metal nanoparticles (particles less than 100 nm) is attributable to a number of their unique properties [14]. Different physical and chemical processes are currently widely used to synthesize metal nanoparticles, which allow one to obtain particles with the desired characteristics [58].

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Green Synthesis and Characterization of Iron Oxide

Preparation of iron oxide nanoparticles using chemical method. 0.973g of FeCl 3 and 1.39g of anhydrous FeSO 4 were mixed and dissolved in 40mL of distilled water, 5mL of NH 3 solution was added and stirred at 90 0 C in magnetic stirrer. 4.4g of trisodium citrate was added to

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