It introduces a novel triterpene saponin fraction (named PSF) with anti-inflammatory and analgesic activities. Two hitherto unreported novel triterpene saponins were isolated in substantially pure form from the root of Ilex pubescens. The chemical structures and some properties of the triterpene sap.....
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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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