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HCS A Screening Automation

Leica Microsystems GmbH
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WETZLAR, Germany, Nov. 15, 2010 — Leica Microsystems has extended its automated high-content screening (HCS) solution to cover applications on confocal and wide-field fluorescence microscopy systems for primary and secondary screening. The HCS A package enables fast and efficient multiposition experiments – from automated image recording routines to complex multidimensional high-content screening experiments with simultaneous image export for immediate analysis by external analysis software.

Thanks to the specially developed computer-aided microscopy (CAM) interface, the screening experiment can be remotely controlled from other software packages. Intelligent algorithms can analyze images on the fly and send the new target coordinates and recording parameters via the CAM interface to the screening system, depending upon the results of the analysis. The wide-field and confocal system switches immediately from the primary scan to a predefined high-resolution secondary scan. The CAM interface renders the HCS A system an efficient and flexible tool for applications including rare event detection.

Based on the LAS AF Matrix M3 software, the system offers flexibility for defining screening patterns. It can be used for microtiter plates, chambered coverslips, spotted arrays, tissue microarrays, petri dishes and lab-on-a-chip applications. The single positions can be combined with different recording parameters. The complete parameter settings can also be transferred by LAN for use by all other HCS A screening systems.

The software platform offers a number of modules and functions that enhance the efficiency of the imaging system. The starter packages contain simple processes such as automatic composition of separate images (mosaicing) or multiwell plate screening in 2-or 3-D. More sophisticated requirements are served by software-supported autofoci for drift compensation for each individual position, single-object tracking using a motorized stage to follow the sample or automated immersion medium feed for water objectives.

High-content screening experiments usually generate several thousand single images that have to be saved and analyzed. The HCS A image formats are compatible with the Open Microscopy Environment format and therefore platform-independent. The system was designed for the company’s main confocal and wide-field system platforms. Users can choose between the proprietary TCS SP5 broadband confocal system, the TCS LSI for the visualization of samples from micro to macro scale and the TCS SPE, which is known for its stability and ease of use, the AF7000 and AF6500 high-speed systems for wide-field fluorescence and the flexible wide-field AF6000.
Nov 2010
2D3-DautofociBiophotonicschambered coverslipscomputer-aided microscopy interfaceconfocaldrift compensationEuropefluorescenceHCS Ahigh-content screeningimaginglab-on-a-chipLAS AF Matrix M3Leica MicrosystemsMicroscopymicrotiter platesmosaicingmultipositionmultiwell plateOpen Microscopy Environmentopticspetri dishesprimaryProductsrare event detectionremote controlsecondaryspotted arraystissue microarrayswater objectiveswide-field

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