cryofixation
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Cryofixation — is a technique for fixation or stabilisation of biological materials as the first step in specimen preparation for electron microscopy. Typical specimens for cryofixation include small samples of plant or animal tissue, cell suspensions of… … Wikipedia
cryofixation — Fixation processes for microscopy carried out at low temperature to improve the quality of fixation. Often very low temperatures and fast cooling are used to prevent formation of ice crystals. Cooling rates of 10,000o per minute may be used and… … Dictionary of molecular biology
Electron microscope — Diagram of a transmission electron microscope A 197 … Wikipedia
Scanning electron microscope — These pollen grains taken on an SEM show the characteristic depth of field of SEM micrographs … Wikipedia
Mesosome — For the arthropod anatomical term, see mesosoma. Mesosomes form in bacterial cells prepared for electron microscopy by chemical fixation, but not by freeze fracture fixation.[1] Mesosomes are folded invaginations in the plasma membrane of… … Wikipedia
Electron crystallography — is a method to determine the arrangement of atoms in solids using a transmission electron microscope (TEM). Contents 1 Comparison with X ray crystallography 2 Radiation damage 3 Protein structures determined by electron crystallography … Wikipedia
Ground tissue — Cross section of a flax plant stem: 1. Pith, 2. Protoxylem, 3. Xylem I, 4. Phloem I, 5. Sclerenchyma (bast fibre), 6. Cortex, 7. Epidermis The types of ground tissue found in plants develop from gro … 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
Microscope électronique — Pour les articles homonymes, voir Microscope (homonymie) et Microscopie. Microscope électronique construit par … Wikipédia en Français
Microscopie électronique — Microscope électronique Microscope électronique construit par Ernst Ruska en 1933. Un microscope électronique est un type de microscope qui utilise un faisceau de particules d électrons pour illuminer un échantillon et en créer une image très… … Wikipédia en Français
