About Us

MINEVIK Machinery is a leading and pioneering enterprise with the most advanced international level in R&D, manufacturing and selling of large-scale crushing & screening plants and beneficiation plants.

large-scale crushing & screening plants and beneficiation plants.

All of our equipment have got ISO international quality system certification, European Union CE certification and Russian GOST certification.

  • In central China-Zhengzhou, covering 140 thousand square meters
  • Win-win cooperation and create more value to customers
  • Exported large quantities and high-end mobile crushing plant and milling equipments to Russia, Kazakhstan, Indonesia, Ecuador, South Africa, Nigeria, Turkey more than 100 countries .

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Our Products

AS a leading global manufacturer of crushing and milling equipment, we offer including quarry, aggregate, grinding production and complete stone crushing plant. We also supply individual crushers and mills as well as spare parts of them.

Services

Our goal is to guarantee the excellent operation equipment with high safety for our customers and minimize the downtime of the machine by predictive maintenance. Kefid service and original accessories can be 100% trusted at the time of maintenance.

SERVICE AND SUPPORT

Minevik service and original accessories can be 100% trusted at the time of maintenance.

ACCESSORIES CENTER

striving to enable customers to get the parts in the nearest place.

SALES MARKET

Our sales market is spread all over more than 100 countries and regions

synthesis of gold nanoparticles from plants

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Synthesis of metallic nanoparticles using plant extracts

Biomolecules present in plant extracts can be used to reduce metal ions to nanoparticles in a single-step green synthesis process. This biogenic reduction of metal ion to base metal is quite rapid, readily conducted at room temperature and pressure, and easily scaled up.

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“Green” Nanotechnologies: Synthesis of Metal

PLANTS AS BIOREACTORS FOR THE SYNTHESIS OF METAL NANOPARTICLE It has long been known that plants are able to reduce metal ions both on their surface and in various organs and tissues remote from the ion penetration site.

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Biological Synthesis of Nanoparticles from Plants and

Gold nanoparticles have also been demonstrated to be synthesized within 3 min , 5 min , and 10 min , highlighting the simple and fast synthesis of nanoparticles using plant extracts .

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Green synthesis of gold nanoparticles using plant extracts

20-08-2014· Gold nanoparticles (GNPs) were prepared using four different plant extracts as reducing and stabilizing agents. The extracts were obtained from the following plants: Salvia officinalis, Lippia citriodora, Pelargonium graveolens and Punica granatum.

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Biological Synthesis of Nanoparticles from Plants and

Gold nanoparticles have been also used for tumor detection, angiogenesis, genetic disease and genetic disorder diagnosis, photoimaging, and photothermal therapy.

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Green Nanotechnology from Plant Extracts: Synthesis and

A. N. Geraldes et al. 179 Soft Max Pro® 6.4 Microplate Analysis Software to confirm the peak surface plasmon resonance of the gold nanoparticles at λ= 535 nm, approximately.

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Green synthesis of metal nanoparticles using plants

Nanoparticles produced by plants are more stable and the rate of synthesis is faster than in the case of microorganisms. Moreover, the nanoparticles are more various in shape and size in comparison with those produced by other organisms.

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Green Synthesis of Gold and Silver Nanoparticles from Plant Extracts

Abstract The synthesis of metal and semiconductor nanoparticles is an expanding research area due to the potential applications for the development of novel technologies.

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Biological Synthesis of Nanoparticles from Plants and cell

Review Biological Synthesis of Nanoparticles from Plants and Microorganisms Priyanka 1, Singh,1 Yu-Jin Kim,1,2,* Dabing Zhang,2 and Deok-Chun Yang * Nanotechnology

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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. Owing to the rich biodiversity of plants, their potential use toward the synthesis of these nobel metal na...

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International Journal of Modern Chemistry and Applied Science

International Journal of Modern Chemistry and Applied Science 2015, 2(3),195-203 A.A.Haleemkhan et al., Page No.195 Synthesis of Nanoparticles from Plant Extracts

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Green synthesis of gold nanoparticles using various

PDF | In this work green synthesis of gold nano particle using various plant extracts and spices extracts was done, in which extracts reduces aqueous HAuCl4.3H2O to Au° and stabilized by itself

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Biosynthesis of gold nanoparticles using plant extracts |

Since gold nanoparticles are considered more biocompatible than other metallic nanoparticles, research studies performed on green synthesis of gold nanoparticles using plant extracts and different applications of these nanoparticles have been reviewed and discussed.

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Green Synthesis and Characterization of Gold Nanoparticles

In recent years, plant-mediated biological synthesis of nanoparticles is gaining importance due to its simplicity and eco-friendliness. Recently the biosynthesis of gold nanoparticles by plants such as Terminalia catappa [28],

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Green synthesis of gold nanoparticles using plant extract

Nanochem Res 2(1): 8-19, Winter and Spring 2017 REVIEW PAPER Green synthesis of gold nanoparticles using plant extract: Mini-review Reza Teimuri-Mofrad 1*, Raha Hadi 1, Behnam Tahmasebi , Sana Farhoudian ,

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Synthesis of Silver Nanoparticles in Photosynthetic Plants

Plant leaf extract had been used for synthesis of silver and gold nanoparticles, which lead to formation of pure metallic nanoparticles of silver and gold [20, 21]. Some of the plant extracts are given in Table 1 .

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Biological Synthesis of Nanoparticles from Plants and cell

Review Biological Synthesis of Nanoparticles from Plants and Microorganisms Priyanka 1, Singh,1 Yu-Jin Kim,1,2,* Dabing Zhang,2 and Deok-Chun Yang * Nanotechnology

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Green Synthesis and Characterizations of Silver and Gold Nanoparticles

Green Synthesis and Characterizations of Silver and Gold Nanoparticles 141 technique. There, we made use of chemical compounds of plants like Rosa Berberifolia and

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Plant Synthesis of Silver & Gold Nanoparticles

16-08-2016· Citations: Cabbage Synthesis: expected size 30-50 nm Tamileswari, R., Nisha, M. H., & Jesurani, S. S. (2015). Green Synthesis of Silver Nanoparticles using Brassica

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Biosynthesis of Gold Nanoparticles Using Ocimum

In nanoparticle biosynthesis, identification and/or characterization of extract and its biochemicals, playing a key role to control the morphology of nanoparticle, are important to minimize the synthesis steps, and thus to reduce environmental risks and cost. Ocimum sanctum plant leaves were subject to sequential solvent fractionation with different polarity (hexane, chloroform, n-butanol and water). In the

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Plants as Green Source towards Synthesis of Nanoparticles

Employing plants towards synthesis of nanoparticles are emerging as advantageous compared to microbes with the presence of broad variability of bio-molecules in plants can act as capping and reducing agents and thus increases the rate of reduction and stabilization of nanoparticles. Biological synthesized nanoparticles have upsurge applications in various sectors. Hence the present study

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"Green" nanoparticles synthesized from medicinal

Due to their antioxidant properties — the same ones that make plants healthy for humans — some medicinal plants can be used to synthesize and coat nanoparticles.Medicinal plants had the added benefit for Bhaumik of being a local, inexpensive resource — and suitable for biomedical applications, because they pose none of the potential health hazards of more conventional chemical methods of

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Phytofabrication of nanoparticles through plant as nanofactories

avowed the synthesis of gold nanoparticles using different plants such as Pelargonium graveolens, Zingiber officinale, Rosa hybrid, Chick pea [76, 84, 87, 88].

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Green synthesis of silver nanoparticles from leaf extract Azhadirachta

synthesis of nanoparticles are the present research in the limb of nanotechnology. been used for the synthesis of silver, gold andbimetallic (silver and gold) nanoparticles. The major advantage of using the neem leaves is that it is a commonly available medicinal plant and the antibacterial activity of the biosynthesized silver nanoparticle might have been enhanced as it was capped with the neem leaf

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Synthesis of Gold Nanotriangles and Silver Nanoparticles

Synthesis of Gold Nanotriangles and Silver Nanoparticles Using Aloevera Plant Extract S. Prathap Chandran Nanoscience Group, Materials Chemistry Division, Biochemical Sciences Division, National Chemical Laboratory, Pune 411008, India

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Green synthesis of gold nanoparticles using plant

In this review, we examine the greenest nanoparticles of zero-valent metals, metal oxides and metal salts, with emphasis on recent developments routes. Products from nature or those derived from natural products, such as extracts of several plants or parts of plants, tea, coffee, banana, simple amino acids, as well as wine, table sugar and glucose, have been used as reductants and as capping agents

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Rapid biological synthesis of silver nanoparticles using

Abstract. Five plant leaf extracts (Pine, Persimmon, Ginkgo, Magnolia and Platanus) were used and compared for their extracellular synthesis of metallic silver nanoparticles.

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Gold Nanoparticles: Synthesis and Applications in Drug Delivery

from plant extract in the synthesis of gold nanoparticles is an important bio synthesis technique to purify gold nanoparticles and to investigate about their medical uses. Gold nanoparticles have been widely used in the field of radiation medicine as radiation enhancer [12] and also provide therapeutic enhancement in radiation therapy due to the efficient and targeted drug delivery to the tumor site.

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BIOSYNTHESIS OF NANOPARTICLES | INTERNATIONAL

Most reports available on the synthesis of silver or gold nanoparticles use broths resulting from boiling fresh plant leaves. However, Huang et al ., synthesized silver and gold nanoparticles using the sundried Cinnamomum camphora leaf extract 23 .

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