نتایج جستجو برای: silver nanoparticles agnps

تعداد نتایج: 141492  

Journal: :Molecules 2017
Elias E Elemike Omolola E Fayemi Anthony C Ekennia Damian C Onwudiwe Eno E Ebenso

Synthesis of metallic and semiconductor nanoparticles through physical and chemical routes has been extensively reported. However, green synthesized metal nanoparticles are currently in the limelight due to the simplicity, cost-effectiveness and eco-friendliness of their synthesis. This study explored the use of aqueous leaf extract of Costus afer in the synthesis of silver nanoparticles (CA-Ag...

Journal: :international journal of nanoscience and nanotechnology 2015
m. khatami m. soltani nejad sh. pourseyedi

the field of nanobiotechnology mainly encompasses with physics, biology, chemistry and material sciences and it develops novel therapeutic nano-scale materials for biomedical, drug delivery, cancer therapy and pharmaceutical applications. silver nanoparticles (agnps) have unique physiochemical, biological and environmental properties which make them useful in a wide range of applications, so ag...

2014
W. Wonsawat

Bioreduction of silver nanoparticles (AgNPs) from silver ions (Ag) using water extract of Thai basil leaf was successfully carried out. The basil leaf extract provided a reducing agent and stabilizing agent for a synthesis of metal nanoparticles. Silver nanoparticles received from cut and uncut basil leaf was compared. The resulting silver nanoparticles are characterized by UV-Vis spectroscopy....

Journal: :iranian journal of pharmaceutical research 0
firouz faedmaleki faculty of veterinary medicine, islamic azad university - science and research branch, tehran, iran farshad h shirazi pharmaceutical sciences research center, shahid beheshti university of medical sciences, tehran, iran amir salarian deptartment of toxico-pharmacology, faculty of pharmacy, shahid beheshti medical university, tehran, iran hamidreza ahmadi ashtiani department of biochemistry and nutrition, zanjan university of medical sciences, iran islamic azad university, pharmaceutical seines branch, tehran, iran. hossein rastegar department of basic science, science and research branch, islamic azad university, tehran, iran.

nano-silver (agnp) has biological properties which are significant for consumer products, food technology, textiles and medical applications (e.g. wound care products, implantable medical devices, in diagnosis, drug delivery, and imaging). for their antibacterial activity, silver nanoparticles are largely used in various commercially available products. thus, the use of nano-silver is becoming ...

Journal: :Acta biochimica Polonica 2015
Katarzyna Pietrzak Magdalena Twarużek Agata Czyżowska Robert Kosicki Beata Gutarowska

The unique antimicrobial features of silver nanoparticles (AgNPs) are commonly applied in innumerable products. The lack of published studies on the mechanisms of AgNPs action on fungi resulted in identification of the aim of this study, which was: the determination of the influence of AgNPs on the mould cytotoxicity for swine kidney cells (MTT test) and the production of selected mycotoxins, o...

Journal: :Colloids and surfaces. B, Biointerfaces 2011
Jacob Joe Antony Periyasamy Sivalingam Durairaj Siva Soundararajan Kamalakkannan Kumarasamy Anbarasu Raman Sukirtha Muthukalingan Krishnan Shanmugam Achiraman

The focus of the study is to compare the antibacterial efficacy of silver nanoparticles (AgNPs) fabricated by exploiting biological (a mangrove plant, Rhizophora apiculata) and chemical means (Glucose). The synthesized nanoparticles were characterised using UV-visible absorption spectrophotometry (UV-vis), Fourier transform Infra-red Spectroscopy (FTIR) and Transmission electron microscopy (TEM...

2017
Roberta Pecoraro Fabio Marino Antonio Salvaggio Fabiano Capparucci Gianfranco Di Caro Carmelo Iaria Andrea Salvo Archimede Rotondo Daniele Tibullo Giulia Guerriero Elena M. Scalisi Massimo Zimbone Giuliana Impellizzeri Maria V. Brundo

Nanotechnology is rapidly growing with nanoparticles produced and utilized in a wide range of commercial products worldwide. Among the different types of nanomaterials produced, silver nanoparticles (AgNPs) occupy a predominant position and they are used in electronics, clothing, food industry, cosmetics and medical devices. Nanosilver has also showed excellent performance in antibacterial appl...

The Myco silver nanoparticles (AgNPs) are synthesized through bio-reduction reaction of silver nitrate by cell-free filtrate of endophytic fungi, which act as both reducing and capping agent. The synthesis of silver nanoparticles (AgNPs) was confirmed through UV-VIS spectroscopy, Fourier Transform Infrared (FTIR), Transmission Electron Microscope (TEM), Scanning Electron Microscope (SEM). Energ...

2015
Nabeel Ahmad Sharad Bhatnagar Syed Salman Ali Rajiv Dutta

Synthesis of nanomaterials holds infinite possibilities as nanotechnology is revolutionizing the field of medicine by its myriad applications. Green synthesis of nanoparticles has become the need of the hour because of its eco-friendly, nontoxic, and economic nature. In this study, leaf extract of Rosa damascena was used as a bioreductant to reduce silver nitrate, leading to synthesis of silver...

2015
Christine Ying Shan Chan Jill Man Ying Chiu John A Craft

Silver nanoparticles (AgNPs), owing to their unique physical and chemical properties, have become increasingly popular in consumer products. However, data on their potential biological effects on marine organisms, especially invertebrates, remain very limited. This proof of principle study reports the chronic sub-lethal toxicity of two coated AgNPs (oleic acid coated AgNPs and polyvinylpyrrolid...

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