Coating

Nothing to do a bout being sharp, all about hydrophobic coating of the claws. If they were made in Teflon, the blood would simply slide off without wetting the surface. And claws are usually made of proteins, and they can be hydrophobic, so yes you could ...

See entire post

... evaporator. A second coat of carbon, evaporated perpendicular to the average surface plane is often performed to improve stability of the replica coating. The specimen is returned to room temperature and pressure, then the extremely fragile "pre-shadowed" metal replica of the fracture ...

See entire post

... -network of DNA and histones -Site of final precessing of membrane proteins, proteins and polysaccharides for export - A thin skin or membranous coating

See entire post

... RNA is also capable of surviving fairly well on its own, as the existence of viroids (basically similar to retroviruses but without the protein coating) testifies. An entire hypothesis called the "RNA world" has been built around these concepts, postulating that life may have begun ...

See entire post

You don’t need to worry about the UV penetrating all the glass, coating and filters between the objective and the eyepiece. But I did want to mention a problem with some older microscopes that use the big mercury-vapor lamps as a UV source. The housing for ...

See entire post