نتایج جستجو برای: silicon containing membrane
تعداد نتایج: 783331 فیلتر نتایج به سال:
Silicon (Si) has not been considered as an essential nutrient for plant growth however, it has been shown that supplying crops with adequate Si can improve environmental stress tolerance. On the other hand, exposure to toluene, as a hazardous organic pollutant widely found in the water resources, is an environmental stress for plants growing around many industries. The aim of this nutrient solu...
The realization of silicon-based light sources has been the subject of a major research and development effort worldwide. Such sources may help make integrated photonic and electronic circuitry more cost-effective, with higher performance and greater energy efficiency. The hybrid approach, in which silicon is integrated with a III–V gain medium, is an attractive route in the development of sili...
OBJECTIVE To evaluate inflammatory reaction, fibrosis and neovascularization in dural repairs in Wistar rats using four techniques: simple suture, bovine collagen membrane, silicon mesh and silicon mesh with suture. METHODS Thirty Wistar rats were randomized in five groups: the first was the control group, submitted to dural tear only. The others underwent durotomy and simple suture, bovine c...
Standing modes of light in front of the reflecting surface of silicon modulate the excitation and emission of fluorescent dyes. This effect was used to determine the distance of a biomembrane from an oxidized silicon chip. The membrane of a red blood cell (ghost) was stained with a cyanine dye and attached with poly-lysine to a surface structured with microscopic steps of silicon dioxide on sil...
THE CARRIER FACILITATED TRANSPORT OF THE LITHIUM IONS BY A SERIES OF NON-CYCLIC SYNTHETIC IONOPHORES
The carrier facilitated transport of lithium picrate was studied using a series of non-cyclic polyethers containing different end groups and chain lengths through Bulk Liquid Membrane (BLM) and Supported Liquid Membrane (SLM) systems. The various membrane supports used are viz. PTFE, cellulose nitrate, and dialysis membrane and onion membrane. The amount of Li+ transported depends upon the stru...
In this work, we present a novel fabrication process of lateral porous silicon membranes with tunable pore size and porosity for microfluidic applications. Our proposed method relies on the fact that the formation of porous silicon by anodization is highly dependent on the dopant concentration (Fig. 1) [1]. Here, we use ion implantation to manipulate the local dopant concentration in order to c...
In this paper we show the feasibility on using silicon batch-fabricated non planar microsized aperture for the monitoring of membrane proteins inserted in a lipid bilayer reconstituted on this aperture. A low cost chemical etching protocol was used for micromachining the pore. This work is a first step towards integrated silicon biochips designed for membrane protein recording.
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