Flow Cytometry Size Calibration Kit (nonfluorescent microspheres)

Our Flow Cytometry Size Calibration Kit has non-fluorescent particle-size calibration standards that provide a simple, accurate way to determine cell sizes by flow cytometry. The kit contains six suspensions of highly uniform polystyrene microspheres with the following diameters: 1.0 µm, 2.0 µm, 4.0 µm, 6.0 µm, 10.0 µm and 15.0 µm. All of the microsphere suspensions are provided in convenient dropper vials. This kit looks at the scatter properties of non-fluorescent microspheres of known sizes to determine approximate cell sizes.

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The smallest size that you can detect with the Attune NxT Acoustic Focusing Cytometer is 0.5 µm.

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The Attune NxT Autosampler, an optional accessory for the Attune NxT Acoustic Focusing Cytometer, enables rapid processing of up to 384 samples. It has broad compatibility with different plate formats, both 96- and 384-well plates. It has an intelligent probe designed to minimize clogging and carryover (<0.5%) and to prevent damage to the instrument. It mixes by aspiration rather than shaking to ensure homogeneity of the sample and maintain cell viability. Is performs automated cleaning as part of the shutdown process of the Attune NxT Cytometer. It provides consistent data regardless of sampling method (tube vs. plate) and collection rate.

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-Modular design - Multiple configurations available - field upgradable.
-Save time - 10X faster speeds with no loss in data quality.
-Simplified sample prep - No wash, no lyse options, non-clogging fluidics.
-Enables unique applications - Complex protocols on a broad range of cell types and samples.

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With the option to be configured with up to 4 lasers and 14 colors for multi-parameter analysis the Attune NxT Acoustic Focusing Cytometer was designed as a modular system to fit most experimental needs and lab budgets. The novel design of the optical path helps ensure precise fixed alignment of four spatially separated lasers onto the sample stream enabling consistency in data over time, superior performance, and superior reliability. The instrument can be configured with up to 4 solid-state lasers (405 nm, 488 nm, 561 nm, and 637 nm) with flat top beam profiles.

The Attune NxT Flow Cytometer's acoustic focusing uses ultrasonic radiation pressure (> 2 MHz) to transport particles into the center of the sample stream. This pre-focused stream is then injected into the sheath stream, which supplies an additional hydrodynamic pressure to the sample. The combination of these two forces- termed acoustic-assisted hydrodynamic focusing-results in a narrow core stream and uniform laser illumination, regardless of the sample input rate. In traditional cytometers that rely solely on hydrodynamic focusing, the sample core widens to accommodate the increases in flow rate, which results in less uniform laser light illumination.

Find additional tips, troubleshooting help, and resources within our Cell Analysis Support Center.