Microscopy & Microtechniques

New Class of Confocal Microscope Scans Large Areas at High-Speed

Mar 02 2017 Read 657 Times

Caliber I.D. has launched the RS-G4, a new class of modular confocal microscope that delivers confocal’s expected high resolution and clean contrast while overcoming its limited scan areas. Scanning large areas at lightning fast speeds, RS-G4 dramatically cuts the time required for efficient study of next-generation large format samples including brain slices, plant cross-sections, or large fields of cells or tissue critical for high-throughput screening.

Consider the displayed image of a whole mouse brain. The RS-G4 scanned and stitched 1050 fields to image this 12mm x 8mm area (approximately 0.5” x 0.25”) in just 270 seconds (4.5 minutes), approximately one-tenth the time required by other currently-available systems. Yet, as demonstrated by the inset, the image retains all the confocal detail and resolution offered by the 40x/1.30NA oil immersion objective.

cornerstone of RS-G4’s innovative performance is its high-speed strip mosaic imaging. On the hardware side, continual stage movement is coordinated with the resonant scanning of the confocal microscope. Simultaneously, a proprietary stitching algorithm assembles and aligns mosaic strips with pixel level resolution. Hardware and software control are integrated under an easy-to-use, intuitive GUI. Adding a new laser launch opens opportunities for fluorescence excitation at 405nm, 488nm, 561nm, 640nm and, critical for deep tissue neuroscience, 785 nm. In addition, the RS-G4 can collect large area 3D image stacks that can be readily imported by any conventional processing package such as Image J or Imaris. Surprisingly, all of this capability comes in a small 18” x 15” footprint.

“We at Caliber are thrilled to be launching this revolutionary product (the RS-G4) into the research market,” said Robert Kelley, Caliber I.D.’s Vice President of Sales. “For researchers, this increased scan speed means greater productivity and shorter time to publication.”

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