This can be applied on street lighting, head lights for vehicles, IR camera and semiconductor devices. As well-known, porous silicon is a material that can emit visible light. Since its spectrum is broad, it is not suitable for light emitting device (LED) application. Doping the foreign element(s) c.....
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The present invention relates to a quality control marker and method of using such marker in qualitative and quantitative authentication of herbal materials, in particular but not limited to Dendrobium species. More particularly, the present invention relates to a chemical marker and its use in qui.....
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Quality control marker and method of using such marker in qualitative and quantitative authentication of Dendrobium officinale Kimura et Migo
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This invention provides a pharmaceutical composition for modulating immune system comprising at least one polysaccharide extracted from Radix Astragali, Radix Codonopsis, Ganoderma sinense, or mixtures thereof, and their extraction process. It further relates a method of modulating immune system by.....
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Oxidation is the core technology to convert petrochemical based materials to commodity chemicals of higher oxidation state. However, oxidation reactions present some of the greatest challenges to the environment. Many of the industrial oxidation processes involve heavy metals or corrosive reagents, .....
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