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Leica DM IRB


Eastman Dental Institute

CONTACT 1 Jonathan Knowles
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SITE Eastman Dental Institute


The Leica DMIRB is a computer-controlled conventional wide-angle (non-confocal) microscope. Its inverted nature means it is uniquely designed for use with cell culture experiments. It is equipped with a stage accepting a range of plates and microscope slides and a high-resolution CCD camera. There is maximum flexibility in using the microscope for effective contrasting methods such as Brightfield, Phase Contrast, Darkfield Contrast, Polarization Contrast, Leica Modulation Contrast, DIC and Fluorescence. The microscope is fixed with a Solent Scientific transparent environmental chamber. This incubation chamber is used for prolonged studies of living cells, including time lapse image capture experiments for cell motility and cell death. The Leica DMIRB is a viable alternative to confocal microscopy that is not always the best solution for imaging needs and, in some situations, may even be counter-productive. The Leica DMIRB can produce similar results and offers as much flexibility. The dedicated FW4000TZ software handles image captures and use and offers a total fluorescence imaging solution.


Live Cell' Option

Microscopy – Leica Modulation Contrast optics. 10, 20 and 40x objectives.

Environment – Solent Scientific transparent environmental chamber. Warm, filtered air circulates within the acrylic chamber from a heater unit that is mechanically isolated from the environmental chamber. Two doors allow specimens to be changed and the condenser settings to be adjusted. A further two doors, below the stage, allow access to the nosepiece and objectives. Focusing and stage controls remain outside the environmental chamber. The 35mm camera, video camera, multi-viewing and fluorescence capabilities of the microscope are unaffected. The chamber can, when required, be quickly removed without the use of hand tools.

Microscope Control – FW4000TZ software (see below) allows user to perform time-lapse experiments with automated shutter control to prevent excessive exposure of specimen to transmitted light. The motorised focus allows for Z-stacking (multiple focus during experiments).

Post experiment processing – Movies generated by the FW4000 software can be converted and analysed with DIAS Software. This system represents the most advanced computer system commercially available for analyzing how cells move and change shape overtime. It contains both manual and automatic digitization modes, advanced image-processing capabilities, the ability to quantitate more than 30 parameters of motion and dynamic morphology, the capacity to generate a variety of movies demonstrating motility and dynamic morphology, and sophisticated graphing and analytical capabilities. 'Fixed Cell' Option

Microscopy - Brightfield, Phase Contrast, Darkfield Contrast, Polarization Contrast and Fluorescence. 20, 40 and 63x objective. Optimized Fluorescence with a 4 position filter cube turret (manual) without pixel shift, and filters for UV (dapi), FITC, cy3 and cy5 Basic Acquisition Suite

Acquisition Basic Enhancement Tools (Contrast, brightness, gamma) Lab Book Basic Printing Annotation Annotation & Calibration Probe meter and pseudo-colouring Zoom and pan Composite creation Channel mixing Z-stack acquisition Time sequence builder lapse experiments Compile web documents Auto Relocate Enhancements Module

Region of interest No neighbours deconvolution Sharpening/smoothing tools Background removal Nearest neighbours deconvolution Maximum intensity projections Measurement Module

Manual measurements Automatic measurements Object counting Grey level profiling Deblur And 3D Visualize Module Gallery Module

Interactively review experiments Create composites on collections of image Filter and display selected images Select images for processing Publish Module

Compiling. avi movies Printing reports Print 1,2 or 4 images Printing image montages of Z-stacks and time

Item ID #753.

Last Updated: 16th July, 2014

Leica DM IRB

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