نتایج جستجو برای: or chemically
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We describe a method for generating a variety of chemically diverse, broadly responsive, low power vapor sensors. A key to our ability to fabricate chemically diverse sensing elements is the preparation of processable, air stable films of electrically conducting organic polym~rs. An array of such sensing elements produces a chemically reversible, diagnostic pattern of electrical resistance chan...
The abundance of magnesium for a sample of 19 main sequence B-type and 41 magnetic chemically peculiar stars has been derived by spectrum synthesis analysis of the Mgii 448.1 nm line under the LTE assumption. The logarithm of the average Mg abundance for the main sequence stars is log (N(Mgii)/N(Tot)) =−4.28±0.19. Comparing magnetic chemically peculiar (Cp) and main sequence stars with equal ef...
The polyacetylene falcarinol, isolated from carrots, has been shown to be protective against chemically induced colon cancer development in rats, but the mechanisms are not fully understood. In this study CaCo-2 cells were exposed to falcarinol (0.5-100 microM) and the effects on proliferation, DNA damage, and apoptosis investigated. Low-dose falcarinol exposure (0.5-10 microM) decreased expres...
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