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Thermo Fisher Scientific Attune Xenith flow cytometer with touchscreen and enclosed sample loading area.
Credit: Thermo.
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Attune Xenith Flow Cytometer: Maximizing Speed and Efficiency

Attune Xenith Flow Cytometer: Maximizing Speed and Efficiency
Credit: Thermo.

The Invitrogen™ Attune™ Xenith™ Flow Cytometer is a reliable solution designed to help meet the rigorous demands of researchers. Leveraging our legacy core acoustic focusing technology, this innovative instrument combines acoustic-assisted hydrodynamic focusing with advanced spectral capabilities. With expanded optical capabilities, including UV and NIR lasers, the Attune Xenith Flow Cytometer supports both traditional compensation and spectral unmixing analysis.


Additional benefits include:

• Remarkable speed, even for rare events—run samples up to 10x faster with acoustic-assisted focusing and acquisition speeds up to 35,000 events/sec. delivering reliable, high-quality data and easy detection of low-frequency populations without extra prep.

• Versatility and flexibility—supports both spectral unmixing and conventional compensation workflows, enabling optimization of experimental design and exploration of new research possibilities

• Productivity and reliability—designed with increased uptime and simplified operation in mind, enabled by streamlined maintenance, intuitive touchscreen operation, and advanced remote diagnostics

• Compatibility with complex samples—designed to handle challenging sample types, such as tumor and tissue samples, without clogging for smooth sample acquisition and reliable data analysis

• Extensive detection range—includes 6 lasers, 51 fluorescent detectors, and 6 scatter channels

• Exceptional automation options—compatible with Invitrogen™ CytKick™ autosamplers for efficient handling of 96- and 384-well plates


Product Specifications
Laser configuration 6 lasers: 349, 405, 488, 561, 637 & 781 nm
Fluorescence detection 51 individual fluorescence detectors / channels
Spectral + conventional analysis Spectral unmixing with autofluorescence subtraction and live unmixing; automated/manual compensation
Fluorescence sensitivity FITC <30 MESF; PE <10 MESF; APC <10 MESF
Acquisition speed Up to 35,000 events/sec
Sample flow-rate range 12.5–1,000 µL/min
Small-particle detection 0.2 µm SSC; down to 0.16 µm under specified conditions
Sample formats / automation Tubes plus 96-, deep-well and 384-well plates
Volumetric counting Direct concentration measurement without counting beads, ±10%
Maintenance / uptime ≤5 min hands-on startup and shutdown; automated cleaning, de-bubble, rinse and unclog cycles
About Thermo Fisher Scientific
Thermo Fisher Scientific is the world leader in serving science. They provide cutting-edge technologies, innovative solutions and comprehensive services to a diverse range of industries, including pharmaceuticals, biotechnology, academia and healthcare. Their commitment to excellence and customer satisfaction drives them to continually push the boundaries of science and technology.
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