The functional ultra-thin film prepared by self-assembly (sAMs) technology and Langmuir-Blodget (LB) technology can be used as a sensitive material for sensors. Compared with other sensitive materials, it has a controllable thickness, easy preparation, easy functionalization, and stability Good and other advantages, so it has important application value. In this paper, the self-assembled membrane of octadecyltrichlorosilane (OTS) imprinted with cholesterol was prepared using SAMs technology, and the content of cholesterol in an egg was determined; the polyaniline derivative / silver and silver core were prepared using LB technology The gold shell (Ag @ Atl) nanoparticle composite film and the polyaniline derivative / gold and gold core silver shell (Au @ Ag) nanoparticle composite film are rarely studied.
Kids Toothbrush is designed for children who are developing. It has a variety of types and styles, some toothbrushes are designated to be suitable for the eruption of the deciduous teeth, suitable for the dentition, suitable for the mixed teeth of the milk and permanent teeth, and so on; and some for children 3~6 years, 6~9 years old, and the Toothbrush selected according to the condition of the children's mouth; if wearing the oral cavity, the toothbrush is also worn. Some fixed orthodontic appliances should use some special toothbrushes. For example, a toothbrush with a "V" shape.
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