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INRA
24, chemin de Borde Rouge –Auzeville – CS52627
31326 Castanet Tolosan CEDEX - France

Dernière mise à jour : Mai 2018

Menu Logo Principal AgroParisTech Université Paris-Saclay

INRA GABI Unit

GABI : Génétique Animale et Biologie IntégrativeUnité Mixte de Recherche INRA - AgroParisTech

The transmission electron microscopy laboratory of the MILA2 multi-site imaging core facilities

MIMA2 logo
Ultrastructural analysis of the cell and its organites

The transmission electron microscopy, 2D analysis and 3D reconstruction on a HITACHI 7700 electronic microscope.

Electronic microscopy makes it possible to go down to the level of cellular organites, but it is no longer a question of living material. With transmission electron microscopy, sections of tissues are observed whereas with scanning electron microscopy the sample appears in a volume. This is how the structure and evolution of gels, foams  or emulsions are discovered, unless we prefer studying the interactions between bacteria and their environment for example. Cryo techniques, which are much more difficult to do than traditional fixation techniques, improves, however, the conservation of some molecules (such as proteins for immunomarking locations) and the immobilization of ions for elementary microanalyses in sections (iron, calcium....).

See also

For more information

MIMA2 Core Facilities (Microscopy and Imaging of Micro-organisms, Animals et Foods) included complementary equipment that allow working at a nanoscopic level to the whole animal level, on living, pathogens or prepared samples . 

The facilities are open to partnerships outside of INRAE on other subjects.