نتایج جستجو برای: ag tio2 nps

تعداد نتایج: 74959  

2017
Jingyun Wang Lei Zhang Youju Huang Anirban Dandapat Liwei Dai Ganggang Zhang Xuefei Lu Jiawei Zhang Weihua Lai Tao Chen

The probe materials play a significant role in improving the detection efficiency and sensitivity of lateral-flow immunochromatographic test strip (ICTS). Unlike conventional ICTS assay usually uses single-component, solid gold nanoparticles as labeled probes, in our present study, a bimetallic, hollow Au-Ag nanoparticles (NPs) labeled ICTS was successfully developed for the detection of clenbu...

2014
Ichiro Tanahashi Yoshiyuki Harada

Densely stacked Ag nanoparticles with an average diameter of 199 nm were effectively deposited on TiO2-coated cicada wings (Ag/TiO2-coated wings) from a water-ethanol solution of AgNO3 using ultraviolet light irradiation at room temperature. It was seen that the surfaces of bare cicada wings contained nanopillar array structures. In the optical absorption spectra of the Ag/TiO2-coated wings, th...

2014
Peddisetty Pardha-Saradhi Gupta Yamal Tanuj Peddisetty Peddisetty Sharmila Shilpi Nagar Jyoti Singh Rajamani Nagarajan Kottapalli S. Rao

Potential of root system of plants from wide range of families to effectively reduce membrane impermeable ferricyanide to ferrocyanide and blue coloured 2,6-dichlorophenol indophenol (DCPIP) to colourless DCPIPH2 both under non-sterile and sterile conditions, revealed prevalence of immense reducing strength at root surface. As generation of silver nanoparticles (NPs) from Ag+ involves reduction...

2011
Adil M Allahverdiyev Emrah Sefik Abamor Malahat Bagirova Cem B Ustundag Cengiz Kaya Figen Kaya Miriam Rafailovich

Leishmaniasis is a protozoan vector-borne disease and is one of the biggest health problems of the world. Antileishmanial drugs have disadvantages such as toxicity and the recent development of resistance. One of the best-known mechanisms of the antibacterial effects of silver nanoparticles (Ag-NPs) is the production of reactive oxygen species to which Leishmania parasites are very sensitive. S...

Journal: : 2022

Modern titanium dioxide nanomaterials, in particular modified with nanosilver, have antiviral, antibacterial, antifungal activity, cytotoxic effects vitro experiments and can affect germ cells of warm-blooded laboratory animals. The research aims to study the effect different types nanoparticles on physiological biochemical characteristics wild boar vitro. When applying maximum dose (LD50) stud...

2016
Yanxiao Zhao Xinhua Wang Zhiwei Wang Xiufen Li Yueping Ren

The increasing and wide application of silver nanoparticles (Ag NPs) has resulted in their appearance in wastewater. In consideration of their potential toxicity and environmental impacts, it is necessary to find effective technology for their removal from wastewater. Here, forward osmosis (FO) membrane was applied for Ag NPs removal from wastewater, and single and combined fouling of nanoparti...

Journal: :Electrophoresis 2005
Yi-Ling Hsieh Tse-Hsien Chen Ching-Piao Liu Chuen-Ying Liu

A novel column made through the condensation reaction of TiO2 nanoparticles (TiO2 NPs) with silanol groups of the fused-silica capillary is described. EOF measurements under various buffer constitutions were used to monitor the completion of reactions. The results indicated that the EOF was dependent on the interactions between buffers and the bonded TiO2 NPs. With formate/Tris buffer, EOF reve...

2012
Kamyar Shameli Mansor Bin Ahmad Seyed Davoud Jazayeri Parvaneh Shabanzadeh Parvanh Sangpour Hossein Jahangirian Yadollah Gharayebi

UNLABELLED BACKGROUND This study aims to investigate the influence of different stirring times on antibacterial activity of silver nanoparticles in polyethylene glycol (PEG) suspension. The silver nanoparticles (Ag-NPs) were prepared by green synthesis method using green agents, polyethylene glycol (PEG) under moderate temperature at different stirring times. Silver nitrate (AgNO3) was taken...

2010
B. Tryba A. W. Morawski

Commercially available TiO2 of anatase structure produced in the Chemical Factory Police S.A. was modified by doping Ag from AgNO3 solution via photodeposition method. The obtained amount of deposited Ag on TiO2 was in the range of 0.11 to 0.98 mass %. Deposition of Ag on TiO2 resulted in the retarding of the recombination reaction and formation of the higher amount of OH radicals on the photoc...

2017
Muhammad Tahir Haseeb Muhammad Ajaz Hussain Khawar Abbas Bahaa GM Youssif Sajid Bashir Soon Hong Yuk Syed Nasir Abbas Bukhari

Polysaccharides are being extensively employed for the synthesis of silver nanoparticles (Ag NPs) having diverse morphology and applications. Herein, we present a novel and green synthesis of Ag NPs without using any physical reaction conditions. Linseed hydrogel (LSH) was used as a template to reduce Ag+ to Ag0. AgNO3 (10, 20, and 30 mmol) solutions were mixed with LSH suspension in deionized ...

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