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Invitrogen™ Attune™ Xenith™ Flow Cytometer

Catalog No. a59358
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A59358 5 mL, 2 mL and 1.5 mL Tubes
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Catalog No. A59358 Supplier Invitrogen™ Supplier No. A59358

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Description

Designed for the rigorous demands of researchers the Attune Xenith Flow Cytometer leverages our legacy acoustic focusing technology with advanced spectral capabilities and expanded optical capabilities so users can evaluate more parameters faster.

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

Features of the Attune Xenith Flow Cytometer include:

  • Remarkable speed—operates up to 5X faster than most flow cytometers
  • Versatility and flexibility—supports both spectral unmixing and conventional compensation workflows, enabling optimization of experimental design and exploration of new research possibilities
  • Compatibility with complex samples—designed to handle challenging sample types, such as tumor and tissue samples, with reduced clogging for smooth sample acquisition and reliable data analysis
  • Productivity and reliability—designed with increased uptime and simplified operation in mind, enabled by streamlined maintenance, intuitive touchscreen operation, and advanced remote diagnostics
  • Extensive detection range—includes 6 lasers, 51 fluorescent detectors, and 6 scatter channels.

Reduced time to results

Acoustic-assisted hydrodynamic focusing technology leverages ultrasonic waves to precisely align cells, delivering exceptional speed and flexibility in flow cytometry. This enables faster flow rates, while enabling uniform cell alignment in the flow cell, that help reduce the time to results for experiments and the flexibility to dilute concentrated samples without the need to spend longer times on data acquisition.

Expanded optical detection

The system includes 6 spatially separated, flat-top lasers (349, 405, 488, 561, 637, and 781 nm) and 51 fluorescent detectors with user-changeable filters as standard. It also includes 6 scatter detectors for enhanced resolution (488 nm standard FSC and SSC, 405 nm FSC and SSC for small-particle resolution, and 488 nm FSC and SSC for expanded range/polarized detection). The system can easily switch between spectral unmixing and conventional compensation workflows, making it exceptional for high-parameter analysis.

Designed to handle difficult samples

Positive displacement fluidics help reduce risk of system downtime due to clogs from sticky tumor and tissue digests. Specified volume delivery rate applies over pressure to the system that can displace clogs from the system should they occur and allow sample runs to continue.

Maintain uptime through simplified maintenance and exceptional service and support

The Attune Xenith Flow Cytometer has advanced diagnostic tools, including onboard service cameras, for assessment of flow cell cleanliness and laser alignment and onboard diagnostics and telemetry for enhanced system service logging. The integrated touchscreen can be used for easy running and monitoring of automated maintenance functions. The system includes a standard one-year warranty period. Also available are additional service plans to help take the guess work out of ensuring instrument uptime. Basic training is also provided with a member of our experienced flow cytometry support team to cover use and maintenance of the system.

Specifications

Format 5 mL, 2 mL and 1.5 mL Tubes
Laser Features Excitation lasers: 349nm, 405 nm, 488 nm, 561 nm, 637 nm, 781 nm
Frequency 50/60 Hz
Product Line Attune
For Use With (Equipment) Attune Xenith Flow Cytometer
Shipping Condition Room Temperature
Voltage 100/240 V
Includes Attune Xenith Flow Cytometer, Attune Xenith Fluid Cart, Minitower Windows 11 computer with instrument software, 32 inch monitor, Power cords with adapters, Fiber Ethernet cable, Attune Shutdown solution, Attune Wash solution, Attune Focusing Fluid, Attune NxT Flow cell cleaning solution, Attune Debubble solution, Attune Xenith Quality Control Beads

Frequently Asked Questions (FAQs)

Can the Attune Xenith Flow Cytometer run no-lyse/no wash assays in the same way as the Attune NxT Flow Cytometer?

Yes, the Attune Xenith Flow Cytometer has built in FSC and SSC channels off the violet laser so that no-lyse/no-wash assays, which exploit the difference in violet light-scattering properties between red blood cells and leukocytes, can be easily run without the need for any changes in filters or need for purchase of additional accessory kits. This integrated capability helps make the process straightforward and efficient.
With the Attune Xenith Flow Cytometer, how do I determine whether I need to run spectral unmixing vs conventional compensation?

Choosing between spectral and conventional flow cytometry depends on your experimental needs and the complexity of your panels. Spectral flow cytometry offers significant advantages for high-parameter detection, improved data resolution, flexibility, simplified panel design, and the ability to handle complex samples. It is also beneficial for sample types with multiple auto fluorescent populations to be explored and for panels where a user may not be familiar with the best peak channel to choose. Conventional flow cytometry remains a robust and effective option for simpler applications and lower-parameter analyses. Conventional compensation can be beneficial for panels of smaller size and/or limited single-channel overlap. It can also be beneficial for panels that include very bright dyes such as functional dyes which often require individual detector adjustments (adjusting the full spectral signature to keep these dyes on scale in bright samples may lead to confusing spectral signatures). By considering these factors, you can select the flow cytometry method that best aligns with your research goals and requirements.
Do you recommend using beads or cells as controls in spectral unmixing with the Attune Xenith Flow Cytometer? Why would one be chosen over the other?

Both beads and cells can be used as controls in spectral unmixing, and the choice between them depends on the specific requirements and goals of the experiment. Beads offer consistency, reproducibility, and ease of use, making them ideal for calibration and routine quality control. Cells, on the other hand, provide biological relevance and allow for the characterization of complex spectra and autofluorescence, which can be crucial for certain applications. Therefore, the decision to use beads or cells should be based on the specific needs of the spectral unmixing process and the experimental context. Cells are a good choice if you have plenty of sample, the antibody in use will stain a large and distinct positive population, and there will be an internal negative population. Beads are a good choice if your sample is limited, the antibody would only stain a very small subset of cells, or the population of cells that would stain would not be distinct. Beads are also only a good choice if the spectral characteristics of the fluorophore are maintained on beads. We recommend that when establishing a panel, a full set of single-stain controls of both beads and cells be prepared. After recording the controls, the user should check the signature of the beads vs cells and decide on the best choice for each fluorophore. For example, if the spectral signatures are different on beads, then cells will be needed; and if cells are brighter than beads, then the cells would need to be used for the controls. It is likely that a mixture of cells and beads for controls will be the optimal choice.
How does the Attune Xenith Flow Cytometer perform spectral unmixing?

The Attune Xenith Flow Cytometer performs spectral unmixing by capturing the emission spectrum of each fluorophore across multiple detectors. It uses advanced spectral unmixing algorithms to accurately deconvolute overlapping spectra, helping ensure precise identification and quantification of each fluorophore. Specifically, the Attune Xenith Flow Cytometer employs the Ordinary Least Squares (OLS) algorithm for spectral unmixing, which is a widely used method in spectral systems. This approach allows for accurate separation of signals, even when spectra overlap significantly, helping ensure high-quality data for complex multi-parameter analyses.
Why does the Attune Xenith Flow Cytometer have Photomultiplier Tubes (PMTs) rather than Avalanche Photodiodes (APDs)?

The Attune Xenith Flow Cytometer uses Photomultiplier Tubes (PMTs) instead of Avalanche Photodiodes (APDs) due to several critical advantages. PMTs offer high sensitivity, allowing them to detect very low levels of light, which is essential for precise and accurate measurements in flow cytometry. They also provide a wide dynamic range, capable of measuring a broad range of signal intensities from very dim to very bright, thus enabling detailed quantification across various sample conditions. Additionally, PMTs have a fast response time, quickly reacting to changes in light intensity, which is crucial for the rapid data acquisition required in flow cytometry. Their spectral flexibility allows the use of various optical filters to detect different wavelengths of light, enhancing their versatility in multi-parameter analysis. Moreover, PMTs are highly reliable and compatible with advanced optical systems, helping ensure consistent and high-quality data collection. In contrast, while some APDs may offer higher quantum efficiency, they suffer from a higher noise floor and limited linearity for bright signals, which negatively impacts the flexibility and accuracy needed to run both compensation and spectral panels on the same instrument. These attributes make PMTs an excellent choice for achieving precise, accurate, and high-quality data in both spectral and conventional flow cytometry applications.
What are the advantages of acoustic focusing for spectral cytometry?

Acoustic focusing technology offers several distinct advantages for spectral cytometry. It enhances sample alignment, leading to improved data resolution and accuracy. This technology also reduces sample preparation requirements, allowing for more straightforward and quicker sample processing. Additionally, acoustic focusing increases throughput, enabling the analysis of more samples in less time. It also enhances the signal-to-noise ratio, resulting in clearer and more reliable data. These benefits make acoustic focusing an excellent choice for researchers aiming to achieve high-parameter, high-quality spectral data with greater efficiency and reliability.
What is the fluidics design of the Attune Xenith Flow Cytometer? Is it pressure- based, or syringe-driven?

The Attune Xenith Flow Cytometer features a syringe-driven fluidics design that utilizes positive displacement fluidics. This design offers the advantage of performing absolute counts with an accuracy of ±10% without the need for counting beads. It also helps resist clogs that can occur with challenging samples, such as tissue or tumor digests. The system is equipped with multiple pressure sensors that monitor for overpressure conditions to protect the instrument from damage, alerting the user to perform an unclog if high pressure is detected. Additionally, a flow sensor is implemented to detect issues, provide long-term monitoring, and confirm the instrument's optimal running condition.

What are the benefits of the NIR (781 nm) laser in flow cytometry?

The NIR 781 nm laser offers significant advantages in flow cytometry, including an expanded fluorophore palette, minimized autofluorescence, enhanced multiplexing capabilities, compatibility with existing NIR dyes, and improved signal detection. These benefits collectively enhance the flexibility, sensitivity, and accuracy of flow cytometric analyses, making it a valuable addition to advanced flow cytometry instruments like the Attune Xenith Flow Cytometer. We are finding utility in moving viability dyes to the NIR channels (Live/Dead NIR 876) freeing up the more commonly used channels for other dyes. We are also finding that dyes (e.g., BUV805 and APC Fire 810) can be better spectrally separated by their emission spectra off the NIR laser.
Is training available for new users of the Attune Xenith Flow Cytometer?

Yes, Thermo Fisher Scientific provides comprehensive training and support for new users of the Attune Xenith Flow Cytometer. This includes hands-on training sessions, detailed user manuals, and ongoing access to experienced technical support staff. A standout feature is the continued complimentary support from a dedicated Field Application Scientist (FAS) team post-purchase, which is unparalleled in the industry. This exceptional level of support ensures that users can fully utilize the capabilities of the instrument and underscores the commitment to customer success.
What makes the Attune Xenith Flow Cytometer stand out from other flow cytometers on the market?

The Attune Xenith Flow Cytometer stands out due to its unique combination of speed, reliability, and optical capabilities. Its acoustic focusing technology ensures precise cell alignment, which enhances data accuracy and reduces the risk of clogging. The instrument offers both spectral unmixing and conventional compensation options, providing flexibility for various experimental needs. Additionally, the Attune Xenith Flow Cytometer is designed to be compatible with high-throughput workflows, making it an excellent choice for laboratories that require efficient and scalable solutions.
What software tools are available with the Attune Xenith Flow Cytometer?

The Attune Xenith Flow Cytometer is equipped with intuitive software that facilitates efficient data acquisition, analysis, and visualization. The automated voltage setup procedures and user-friendly interface make it accessible to users with varying levels of flow cytometry experience.
What are the benefits of using the Attune Xenith Flow Cytometer for rare event detection?

The Attune Xenith Flow Cytometer's speed and reduced time-to-results make it ian excellent choice for detecting statistically significant rare event populations, such as stem cells or circulating tumor cells. Acquiring the large number of cells needed to get to a minimum of 500 cells in the population of interest for rare events is often achieved by highly concentrating cells which risks clogging instruments and loss of cells due to coincidence through the laser. With the acoustic focusing technology in the Attune Xenith Flow Cytometer, cells can be run without concentrating in a faster time, which reduces the risk of clogs, reduces the loss of events through coincidence, and reduces the time-to-results.

What maintenance features does the Attune Xenith Flow Cytometer offer?

The Attune Xenith Flow Cytometer has automated maintenance procedures that have been developed to minimize the hands-on time from the user. These include Startup, Shutdown, Rinse, SIP Sanitize, Debubble, Unclog, Deep Clean, Flow Cell Clean, System Decontamination, and a Long term Shutdown (for use when the system will be out of use for extended periods). When running plates, the system can be set up to automatically shut down at the end of the plate without the need for user interaction. The Attune Xenith Flow Cytometer Fluid Cart holds most of the fluids needed to run the maintenance functions including wash solution, shut down solution, and bleach and water for onboard dilution for cleaning the sample lines.
Can the Attune Xenith Flow Cytometer be used for high-throughput screening?

Yes, the Attune Xenith Flow Cytometer is well-suited for high-throughput screening. It is compatible with Invitrogen CytKick Max autosampler, which allows for the efficient processing of both standard and deep-well 96- and 384-well plates, streamlining workflows and increasing productivity.
How many lasers and detectors does the Attune Xenith Flow Cytometer have?

The Attune Xenith Flow Cytometer is equipped with 6 lasers, 51 fluorescent detectors, and 6 scatter channels. The system supports both traditional compensation and spectral unmixing, offering flexibility for various research applications.

What is spectral unmixing, and how does the Attune Xenith Flow Cytometer utilize it?

Spectral unmixing is a process that differentiates multiple fluorophores based on their unique spectral signatures. The Attune Xenith Flow Cytometer uses the Ordinary Least Squares (OLS) algorithm for unmixing to accurately identify and analyze multiple fluorophores within a single sample, enhancing the detail and precision of multicolor analysis.
What types of samples can the Attune Xenith Flow Cytometer handle?

The Attune Xenith Flow Cytometer can handle a wide variety of sample types, including tumor and tissue samples, blood, and other complex biological materials. Its robust design and advanced fluidics help ensure reliable performance even with challenging samples.
How does the Attune Xenith Flow Cytometer minimize clogging issues?

The Attune Xenith Flow Cytometer uses positive displacement fluidics that maintain a specified volumetric flow through the system. If a clog is detected, the system will work to maintain the specified volume by exerting increased pressure. This ''over pressure'' can result in displacing clogs and enables the instrument to continue running. This is combined with a wide-bore flow cell that reduces the risk of clogs occurring.
What are the speed advantages of the Attune Xenith Flow Cytometer?

The Attune Xenith Flow Cytometer offers significant speed advantages, processing samples up to 5 times faster than most spectral flow cytometers on the market. This is made possible by its acoustic focusing technology, which helps ensure efficient and precise sample alignment. As a result, the Attune Xenith Flow Cytometer significantly reduces time-to-results and increases throughput, making it an excellent choice for high-demand, high-throughput laboratories.
How does acoustic focusing technology work in the Attune Xenith Flow Cytometer?

Acoustic focusing technology uses sound waves to align cells within the flow cell rather than relying on hydrodynamic forces. This allows for more accurate positioning of cells, leading to faster processing speeds and higher data quality. In the Attune Xenith Flow Cytometer, acoustic-assisted hydrodynamic focusing is used where acoustic focusing works in tandem with traditional hydrodynamic focusing to ensure accuracy at flow rates over 100 µL/min.
What is the Attune Xenith Flow Cytometer?

The Attune Xenith Flow Cytometer is an advanced spectral-enabled flow cytometry instrument designed by Thermo Fisher Scientific. It features acoustic focusing technology and advanced spectral capabilities, making it an excellent choice for high-throughput, precise cellular analysis. This innovative instrument leverages acoustic-assisted hydrodynamic focusing to deliver high sensitivity and fast evaluation of multiple parameters, enhancing the quality and efficiency of cellular research. For more detailed information, you can visit thermofisher.com/attunexenith.

For Research Use Only. Not for use in diagnostic procedures.