Excelitas X-Cite XYLIS II LED illumination system for microscopy

Excelitas’s X-Cite XYLIS II is an arc lamp illumination system for routine microscopy and advanced fluorescence imaging applications. With increased output across its broad spectrum and significantly reduced sound levels, it is 10 dB quieter than the original XYLIS, making it an even more useful LED illuminator for routine microscopy researchers. It is also claimed to surpass traditional arc lamps for brightness, making it suitable for both compound and stereomicroscopes.

While the rich broad spectral range of the device is the same as the original XYLIS, updated LEDs and a revamped LaserLED Hybrid Drive provide even more power from DAPI to Cy 7. In addition, LED and electronics design changes have reduced the operating temperature of the LEDs, offering improved long-term functionality.

The cooling system has been redesigned to achieve lower acoustic noise at a more comfortable level. The whisper-quiet operation makes it suitable for use in multi-station FISH labs and any other imaging facility wishing to maintain a peaceful environment for conducting research.

To accommodate the cooling system changes, Excelitas made some minor adjustments to the width (+10 mm) and height (-10 mm). The company has also simplified several assemblies, removing almost a kilogram of material and making the unit much lighter.

There are two models available with a choice of UV wavelength — 365 or 385 nm — so labs may choose the one that works with their preferred or existing DAPI filter sets. The option to turn off the UV part of the spectrum allows stereomicroscope users the ability to preserve their samples. When it comes to control options, each system includes intuitive fingertip control with speedDIAL, hands-free operation with a foot pedal, and USB and TTL inputs for automated applications.