نتایج جستجو برای: functional coating

تعداد نتایج: 619030  

Journal: :Physical review letters 2008
Mina Yoon Shenyuan Yang Christian Hicke Enge Wang David Geohegan Zhenyu Zhang

We explore theoretically the feasibility of functionalizing carbon nanostructures for hydrogen storage, focusing on the coating of C60 fullerenes with light alkaline-earth metals. Our first-principles density functional theory studies show that both Ca and Sr can bind strongly to the C60 surface, and highly prefer monolayer coating, thereby explaining existing experimental observations. The str...

Journal: :Optics express 2015
Chalongrat Daengngam Ishac Kandas Islam Ashry Anbo Wang James R Heflin Yong Xu

We develop and characterize a UV ablation technique that can be used to pattern soft materials such as polymers and nonlinear molecules self-assembled over silica microstructures. Using this method, we fabricate a spatially periodic coating of nonlinear film over a thin silica fiber taper for second harmonic generation (SHG). Experimentally, we find that the second harmonic signal produced by t...

2009
Wen Hu Zheng-Ming Huang

A novel kind of functional sutures was developed by combining electrospinning with a braiding technique. After post treatments, the electrospun PLLA nanofiber threads which were collected uniaxially were made into a more compact braided wire. Chitosan was used as a coating agent to make the braided wire surface smoothened and functionalized. Morphology and mechanical properties of the PLLA sutu...

2017
Ali Kandemir Fadil Iyikanat Cihan Bacaksiz Hasan Sahin

By performing density functional theory (DFT)-based calculations, the performance of α-silicene as oxidation-resistant coating on Ag(111) surface is investigated. First of all, it is shown that the Ag(111) surface is quite reactive against O atoms and O2 molecules. It is known that when single-layer silicene is formed on the Ag(111) surface, the 3 × 3-reconstructed phase, α-silicene, is the gro...

2015
Yunho Gwak Ji-in Park Minjae Kim Hong Suk Kim Myong Jong Kwon Seung Jin Oh Young-Pil Kim EonSeon Jin

Cryoprotectants such as antifreeze proteins (AFPs) and sugar molecules may provide a solution for icing problems. These anti-icing substances protect cells and tissues from freezing by inhibiting ice formation. In this study, we developed a method for coating an industrial metal material (aluminum, Al) with AFP from the Antarctic marine diatom, Chaetoceros neogracile (Cn-AFP), to prevent or del...

2006
Laura L. Vatta Ron D. Sanderson Klaus R. Koch

Magnetic particles may be used to selectively attach and manipulate or transport targeted species to a desired location under the influence of an external magnetic field. By virtue of their size, magnetic nanoparticles are superparamagnetic, offering great potential in a variety of applications in their bare form or through coating with a surface coating and functional group chosen for a specif...

Journal: :Arhiv za farmaciju 2021

Hot-melt coating (HMC) is an alternative, solvent-free method generally used to modify substrate release rate and/or mask its unpleasant taste. The aim of this study was assess two HMC methods (pan-coating and mortar-coating) by assaying functional properties the coated material. selected substrates included highly soluble sodium chloride (model substance) caffeine (bitter drug), agent glycerol...

1999
Brian J. Kennedy Sara Jensen Larry Seger Robert A. Fifer

. Surface characterization techniques were used to evaluate adamantylethyltrichlorosilane (AdSi) as a potential coating to provide surface protection or as an initiator for diamond-like thin films. FT-IR and FT-Raman results indicate that, after formation and heating, the coating system has developed a cross-linked siloxane network. Quartz crystal microbalance and contact angle measurements wer...

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