Micro Imager

Image Atlas

11C : ex vivo imaging after in vivo PET experiments

10 minute acquisition of a 11C compound on a rat brain section
Courtesy of the PET center, Uppsala, Sweden


18F: ex vivo imaging after in vivo PET experiments

6 hour acquisition of rat brain sections using 5-HT1A PET ligand: 18F-MPPF
Courtesy of Prof. Luc Zimmer, CERMEP Lyon, France.


Triple labeling

Infarcted myocardium from a rat, which was injected with 18FDG, 99mTc-Sestamibi and 111In-DTPPA prior to sacrifice. Distributions from each of the 3 isotopes were discriminated from one single acquisition and are shown with a different color each
Courtesy of S. Poussier.
S Poussier et al. J Nucl Cardiol: 12:229-30 2005


Rat brain section

18FDG injected in a rat shows cortical activity after stimulus. Picture superimposed to a rat brain atlas.
Courtesy Prof. Tavitian, CEA SHFJ, Orsay, France.


Rat coronal brain section

Rat coronal brain section after injection of 700 µCi of 18FDG. After FDG injection and visual stimulation, the rat was sacrificed and sections were imaged with different techniques: film, phosphor screens, Biospace Lab Beta Imager and Micro Imager.
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Courtesy Laurent Besret, Anne-Sophie Hérard and Fabrice Beau, URA CEA-CNRS 2210, Orsay, France


Kidney section

Autoradiographic image of rat tritium labeled kidney section
Courtesy Steve Harris, Roche, Welwyn, United Kingdom


Dual labeling

Simultaneous imaging of the tracer 99mTc-NOET and the viability tracer 201Tl in a rat model of chronic reperfused myocardial infarction.
Courtesy of Laurent Riou, INSERM, Grenoble and Carole Lartizien, CERMEP, Lyon.


Bone sections

Mouse femur sections showing a mantle-cell lymphoma tumor labeled with a 90Y-labeled anti-CD20. Comparisons were made with histological sections to assess the antibody specificity.
Courtesy Jérémy Coulot, Marcel Ricard, Service de Physique, Institut Gustave Roussy, Villejuif, France.


In situ hybridization

In situ hybridization of a 20 days mouse embryo using a 35S labeled probe specific to actin mRNA. This was obtained after an overnight acquisition, whereas more than a week for a comparable acquisition with film. The space between fingers is about 50 μm.
Courtesy of IPN, Orsay, France.


Choroid membrane of a rat eye

3H labeled mouse section (overnight acquisition).
Courtesy R. d'Argy, Active Biotech, Lund, Sweden.


Mouse section

This 14C labeled product specifically tags the choroid membrane of a rat eye.
Courtesy Dr Delbos, Laboratoires Servier, Orléans, France.


In situ hybridization

In-situ hybridization with two nucleic probes labeled with 3H and 14C.
Courtesy of the Riken Brain Research Institute, Japan.


Biodistribution studies on plants: Arabidopsis labelled with 3H GABA

The plant was labelled by short-duration pulse-chase feeding, with radiolabelled metabolites, of the petiole of detached Arabidopsis leaves. The leaves are then rapidly frozen and then freeze-dried, to preserve the location of the label. Autoradiography reveals diverse patterns of labelling within these leaves, depending on the location and extent of cellular uptake of the compound fed. Simultaneous imaging of two isotopes (3H and 14C) using the Micro Imager and Energy Dual-Labelling Software allows comparison of the uptake pattern of two different metabolites within a single sample. If a particular metabolite is fed as a control in all samples, the variation in labelling pattern can be used to assess the impact of inconsistent uptake of the feed solution due to wounding or other factors.

The leaf was labelled with 3H GABA and 14C sucrose. Separation of each isotope contribution to the image was performed with Biospace Lab Dual Energy Software. The image opposite shows the biodistribution of 3H GABA, whereas the next image reveals that of the 14C sucrose in the same leaf.
Courtesy of Dr. Kinsman and Prof. Quick, Department of Animal and Plant Sciences, University of Sheffield, UK.


Biodistribution studies on plants: Arabidopsis labelled with 14C sucrose

Simultaneous imaging of two isotopes (3H and 14C) using the Micro Imager and Energy Dual-Labelling Software allows comparison of the uptake pattern of two different metabolites within a single sample. The image opposite shows the biodistribution of 3H GABA, whereas the previous image reveals that of the 3H GABA in the same leaf. Refer to the description of the previous image for detailed protocol.
Courtesy of Dr. Kinsman and Prof. Quick, Department of Animal and Plant Sciences, University of Sheffield, UK.


Biodistribution studies on plants: multilabeling of arabidopsis leaf

Simultaneous imaging of two isotopes (3H and 14C) using the Micro Imager and Energy Dual-Labelling Software
Courtesy of Dr. Kinsman and Prof. Quick, Department of Animal and Plant Sciences, University of Sheffield, UK.


Biodistribution studies on plants: Uptake of 14C carbon dioxide in a pea seed

Acquisition was performed four hours after the feeding of the seed s substending leaf with 14C carbon dioxide
Courtesy of Dr. Kinsman and Prof. Quick, Department of Animal and Plant Sciences, University of Sheffield, UK.