نتایج جستجو برای: carbon nanoparticles

تعداد نتایج: 381246  

2010
LaBethani May Anita Patlolla

Nanotechnology a rapidly developing industry can have substantial impacts on economy, society and environment. Potential health and environmental effects of nanoparticles need to be thoroughly assessed before their widespread commercialization. Though there are few studies on cytotoxicity of nanoparticles on mammalian and human cell lines, there are hardly any reports on behavior of nanoparticl...

2012
QIANQIAN LIU LIFENG DONG Lifeng Dong

Submitted for the MAR11 Meeting of The American Physical Society DNA-Templated Synthesis of Pt Nanoparticles on Single-Walled Carbon Nanotubes and their Electrocatalytic Properties QIANQIAN LIU, LIFENG DONG1, Missouri State University — Platinum (Pt) supported on singlewalled carbon nanotubes is one of the most efficient catalysts for both methanol and ethanol electroxidations. However, there i...

Journal: :journal of nanostructures 2015
m. ghorbanali a. mohammadi r. jalajerdi

mg(oh)2 nanoparticles were synthesized by a rapid microwave reaction. the effect of sodium dodecyl sulfonate (sds as anionic surfactant) and cetyl tri-methyl ammonium bromide (ctab as cationic surfactant) on the morphology of magnesium hydroxide nanostructures was investigated. multi wall carbon nano tubes was organo-modified for better dispersion in cellulose acetate matrix. the influence of m...

Journal: :health scope 0
saeed dehestani athar environmental and occupational health engineering department, faculty of medical sciences, tarbiatmooeswwsuowws{}}y, ir iran +98-2182883825, asilia_h@ modares.ac.ir hasan asilian environmental and occupational health engineering department, faculty of medical sciences, tarbiatmooeswwsuowws{}}y, ir iran +98-2182883825, asilia_h@ modares.ac.ir; environmental and occupational health engineering department, faculty of medical sciences, tarbiatmooeswwsuowws{}}y, ir iran +98-2182883825, asilia_h@ modares.ac.ir

background diatomite coated by nanoparticles of copper and zinc mixed oxides were used to investigate catalytic oxidation of carbon monoxide. objectives aim of this paper was to investigatediatomite performance as a supporting host to confine the cuo and zno nanoparticles and its catalytic activity for carbon monoxide oxidation. materials and methods the prepared catalysts were characterized by...

2017
Priyanka Khati

Nanotechnology is gaining tremendous impetus in the present century due to its capability of modulating metals into their nano size, which drastically changes the chemical, physical and optical properties of metals. The extremely small size of nanoparticles help them to occupy a greater surface area and hence a better accessibility and targeted action. Nanoparticles can overcome existing drug r...

2015
Derek W Russell J Edwin Blalock

Nanoparticles of carbon black in cigarette smoke trigger inflammation in the lung.

Journal: :journal of nanostructures 2014
a. asghari m. hemati m. ghaedi m. rajabi b. mirtamizdoust

in this study, zno nanoparticles were loaded on activated carbon prepared from almond shell (zno-np-ac). then, this novel material applied as an efficient adsorbent for the ultrasonic assisted simultaneous removal of basic blue 41(bb41) and basic red 46 (br46) in binary solution.  the efficiency of proposed activated carbon was enhanced by acid treatment and subsequent modification by physical ...

Journal: :analytical and bioanalytical chemistry research 0
morteza akhond professor massoumi laboratory, department of chemistry, faculty of sciences, shiraz university, shiraz 71454, iran ghodratollah absalan professor massoumi laboratory, department of chemistry, faculty of sciences, shiraz university, shiraz 71454, iran ameneh tafakori professor massoumi laboratory, department of chemistry, faculty of sciences, shiraz university, shiraz 71454, iran hamid ershadifar professor massoumi laboratory, department of chemistry, faculty of sciences, shiraz university, shiraz 71454, iran

a carbon ionic liquid electrode (cile) modified with tio2-fe nanoparticles was constructed by incorporating tio2-fe nanoparticles into the paste matrix. under the optimized experimental conditions, using differential pulse voltammetry (dpv), the oxidation of thiocyanate and oxalate were occurred at potentials of 0.740 v and 1.010 v, respectively, at the surface of the modified electrode. observi...

2009
Chien-Hua Huang H. Paul Wang Juu-En Chang Edward M. Eyring

A very simple method for synthesizing nanosize-controllable (4–40 nm) metals (Cu, Ag, Pd, Rh and Ni) or alloys within carbon shells has been developed. The thickness of the carbon shell that prevents the core metals from being aggregated or oxidized ranges from 3–5 nm. In addition, the synthesized metal nanoparticles exhibit a correlation between dpZ/R (Z = valence of metal and R = atomic radiu...

Journal: :Nanotechnology 2005
Lingchuan Li Liming Dai

We have demonstrated that multicomponent carbon nanotube micropatterns, in which different nanotubes are interposed in an intimate fashion, can be prepared by pyrolytic growth of carbon nanotubes on interposed micropatterns of different metal nanoparticles generated by template-free pulsed electrodeposition of metal-containing salts onto a photolithographically prepatterned conductive surface a...

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