Medical dictionary. 2011.
Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… … Wikipedia
Cryo-electron microscopy — CryoEM image of GroEL suspended in vitreous ice at 50,000X magnification. Cryo electron microscopy (cryo EM), or electron cryomicroscopy, is a form of transmission electron microscopy (EM) where the sample is studied at cryogenic temperatures… … Wikipedia
Uranyl — The uranyl ion is the dipositive cation [UO2] 2+, which forms salts with acids. In this ion, uranium is in its +6 oxidation state. The other common oxidation state of uranium is uranium(IV), called uranous. The uranyl ion is the most common… … Wikipedia
Uranyl — Stäbchenmodell von [UO2]2+. Das Uranylion mit Veranschaulichung des dreifachen U O Bindungsverhältnisses … Deutsch Wikipedia
Uranylion — Stäbchenmodell von [UO2]2+. Das Uranylion mit Veranschaulichung des dreifachen U O Bindungsverhältnisses … Deutsch Wikipedia
Uranylverbindung — Stäbchenmodell von [UO2]2+. Das Uranylion mit Veranschaulichung des dreifachen U O Bindungsverhältnisses … Deutsch Wikipedia
Uranylverbindungen — Stäbchenmodell von [UO2]2+. Das … Deutsch Wikipedia
Negative stain — Electron micrograph of (organic) plant tissue without (top) and with OsO4 staining Negative staining is an established method, often used in diagnostic microscopy, for contrasting a thin specimen with an optically opaque fluid. For bright field… … Wikipedia
stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… … Medical dictionary
Staining — is an auxiliary technique used in microscopy to enhance contrast in the microscopic image.In biochemistry it involves adding a class specific (DNA, proteins, lipids, carbohydrates) dye to a substrate to qualify or quantify the presence of a… … Wikipedia
