《英文msh詞典》Staining,Negative
[入口詞] Staining,Negative
[主題詞] Negative Staining
[英文釋義] The technique of washing tissue specimens with a concentrated solution of a heavy metal salt and letting it dry. The specimen will be covered with a very thin layer of the metal salt,being excluded in areas where an adsorbed macromolecule is present. The macromolecules allow electrons from the beam of an electron microscope to pass much more readily than the heavy metal; thus,a reversed or negative image of the molecule is created.