نتایج جستجو برای: green silver nanoparticles

تعداد نتایج: 276019  

2016
Upendra Nagaich Neha Gulati Swati Chauhan

The advancement of the biological production of nanoparticles using herbal extracts performs a significant role in nanotechnology discipline as it is green and does not engage harsh chemicals. The objective of the present investigation was to extract flavonoids in the mode of apple extract and synthesize its silver nanoparticles and ultimately nanoparticles loading into hydrogels. The presence ...

Anal K. Jha and A. R. Kulkarni K. Prasad

A green low-cost and reproducible yeast mediated synthesis of silver nanoparticles is reported. The synthesis is performed at room temperature. X-ray and transmission electron microscopy analyses are performed to ascertain the formation of Ag nanoparticles. Nanoparticles almost spherical in shape having a size of 6-20 nm are found.

Journal: :iranian biomedical journal 0
مریم معظمی maryam moazeni نیلوفر رشیدی niloofar rashidi احمدرضا شاهوردی ahmad r. shahverdi فاطمه نوربخش fatemeh noorbakhsh ساسان رضایی sassan rezaie

background: to develop a new green approach for biosynthesis of silver nanoparticles, myconanotechnology has been represented as a novel field of study in nanotechnology. in this study, we have reported the extracellular synthesis of highly stable silver nanoparticles using three species of dermatophytes: trichophyton rubrum, trichophyton mentagrophytes and microsporum canis. methods: clinical ...

2014
K. ROY C. K. SARKAR C. K. GHOSH

The green synthesis route, in comparison to the conventional chemical and physical procedures, is an easy and eco-friendly alternative to synthesize metallic nanoparticles. Here, we report a cost-effective, clean and fast bio-process to synthesize Ag nanoparticles after reduction of Ag + using apple (Malus domestica) fruit extract. The formation of silver nanoparticles was first examined by UV-...

Journal: :Chemical communications 2013
Zubair Buch Vineet Kumar Hitesh Mamgain Santa Chawla

Silver nanoprisms of different sizes influence fluorescence enhancement in YVO4:Eu(3+) nanoparticles to various degrees under excitation of green light (532 nm). The local field generated by silver nanoprisms and their dimers is simulated through the FDTD method and a direct correlation with fluorescence enhancement is established.

Journal: Nanomedicine Journal 2017
Fatemeh Oroojalian, Hosein Orafaee Majid Azizi,

Objective(s): Development of a nanobiosystem by using plant essential oils with green synthesized silver nanoparticles that present synergistic antibacterial activity for overcoming antibiotic resistance in pathogenic bacteria. Material and Methods: Essential oils (EOs) of Kelussia odoratissima and Teucrium polium extracted by hydrodistillation were analyzed by gas chromatography-mass spectrome...

2016
Shakeel Ahmed Mudasir Ahmad Babu Lal Swami Saiqa Ikram

Metallic nanoparticles are being utilized in every phase of science along with engineering including medical fields and are still charming the scientists to explore new dimensions for their respective worth which is generally attributed to their corresponding small sizes. The up-and-coming researches have proven their antimicrobial significance. Among several noble metal nanoparticles, silver n...

Journal: :Molecules 2015
Parisa Ghorbani Mozhgan Soltani Masoud Homayouni-Tabrizi Farideh Namvar Susan Azizi Rosfarizan Mohammad Amin Boroumand Moghaddam

The development of reliable and ecofriendly approaches for the production of nanomaterials is a significant aspect of nanotechnology nowadays. One of the most important methods, which shows enormous potential, is based on the green synthesis of nanoparticles using plant extract. In this paper, we aimed to develop a rapid, environmentally friendly process for the synthesis silver nanoparticles u...

2014
Ashutosh Yadav Preetika Biswas

There has been commendable development in the field of biosynthesis of nanoparticles due to their low cost, environment friendly approach. One such biological entity employed in the synthesis is a fungus, Fusarium oxysporum that has shown hopes for a sustainable synthesis of many nanoparticles. In this review we will give an overview of the synthesis of nanoparticles using green methods and the...

2014
Bernardo Dias Ribeiro Isabel Marrucho Luciana Gonçalves Maria Alice Z. Coelho

White biotechnology can be regarded as applied biocatalysis, with enzymes and microorganisms, aiming at industrial production of bulk and fine chemicals to food and animal feed additives. In its turn biocatalysis has many attractive features in the context of greenchemistry: mild reaction conditions (physiological pH and temperature); environmentally compatible catalysts and solvent (often wate...

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