نتایج جستجو برای: metal oxide nanoparticle

تعداد نتایج: 381674  

2011
Sachin Patel Ashwin A. Bhirde James F. Rusling Xiaoyuan Chen J. Silvio Gutkind Vyomesh Patel

Current first-line treatments for most cancers feature a short-list of highly potent and often target-blind interventions, including chemotherapy, radiation, and surgical excision. These treatments wreak considerable havoc upon non-cancerous tissue and organs, resulting in deleterious and sometimes fatal side effects for the patient. In response, this past decade has witnessed the robust emerge...

Journal: :Nanoscale 2014
Wei Wang Tae-Sung Bae Yeon Hyun Park Dong Ho Kim Sunghun Lee Guanghui Min Gun-Hwan Lee Myungkwan Song Jungheum Yun

A three-dimensional (3D) transparent conducting electrode, consisting of a quasi-periodic array of discrete indium-tin-oxide (ITO) nanoparticles superimposed on a highly conducting oxide-metal-oxide multilayer using ITO and silver oxide (AgOx) as oxide and metal layers, respectively, is synthesized on a polymer substrate and used as an anode in highly flexible organic solar cells (OSCs). The 3D...

2016
Zengfeng Guo Tengfei Liu Wenpeng Li Zongjie Pang

Different proportions of oxide-rich PdCu/C nanoparticle catalysts were prepared by the NaBH4 reduction method, and their compositions were tuned by the molar ratios of the metal precursors. Among them, oxide-rich Pd0.9Cu0.1/C (Pd:Cu = 9:1, metal atomic ratio) exhibits the highest electrocatalytic activity for ethanol oxidation reaction (EOR) in alkaline media. X-ray photoelectron spectroscopy (...

2012
Nicolas Siedl Stefan O. Baumann Michael J. Elser Oliver Diwald

We explored the impact of interfacial property changes on aggregation behavior and photoinduced charge separation in mixed metal oxide nanoparticle ensembles. TiO(2) and SnO(2) nanoparticles were synthesized by metal organic chemical vapor synthesis and subsequently transformed into aqueous colloidal dispersions using formic acid for adjustment of the particles' surface charge. Surface charge-i...

2006
J. Thangala S. Vaddiraju R. Bogale R. Thurman T. Powers M. K. Sunkara

We report a novel, scaleable and versatile method for large scale synthesis of tungsten trioxide nanowires and their arrays on a variety of substrates including amorphous quartz, fluorinated tin oxide, etc. The synthesis concept uses the chemical vapor transport of metal oxide vapor phase species onto substrates using air or oxygen flow over hot-filament sources. The hot-filaments were designed...

Journal: :ACS applied materials & interfaces 2014
Xuyong Yang Yanyan Ma Evren Mutlugun Yongbiao Zhao Kheng Swee Leck Swee Tiam Tan Hilmi Volkan Demir Qinyuan Zhang Hejun Du Xiao Wei Sun

An efficient and stable quantum dot light-emitting diode (QLED) with double-sided metal oxide (MO) nanoparticle (NP) charge transport layers is fabricated by utilizing the solution-processed tungsten oxide (WO3) and zinc oxide (ZnO) NPs as the hole and electron transport layers, respectively. Except for the electrodes, all other layers are deposited by a simple spin-coating method. The resultin...

Journal: :Risk analysis : an official publication of the Society for Risk Analysis 2010
Christie Sayes Ivan Ivanov

With the increasing use of nanomaterials incorporated into consumer products, there is a need for developing approaches to establish "quantitative structure-activity relationships" (QSARs). These relationships could be used to predict various biological responses after exposure to nanomaterials for the purposes of risk analysis. This risk analysis is applicable to manufacturers of nanomaterials...

2016
Khwaja Salahuddin Siddiqi Azamal Husen

Of all the aquatic organisms, algae are a good source of biomolecules. Since algae contain pigments, proteins, carbohydrates, fats, nucleic acids and secondary metabolites such as alkaloids, some aromatic compounds, macrolides, peptides and terpenes, they act as reducing agents to produce nanoparticles from metal salts without producing any toxic by-product. Once the algal biomolecules are iden...

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