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Invitrogen™ CountBright™ Plus Absolute Counting Beads
Description
- Help to determine the count.
- The concentration of cells in the original sample.
- Beads are on-scale with most cell types, including human whole lysed blood, for ease of use
- >95% singlets for improved accuracy
- Excited by UV-IR lasers for an expanded emission range (385–860 nm)
Specifications
Specifications
| Diameter (Metric) | 4 μm |
| Content And Storage |
|
| Quantity | 100 tests |
| Shipping Condition | Room Temperature |
| Product Line | CountBright |
| Product Type | Cell Counting Bead |
Frequently Asked Questions (FAQs)
With the CountBright Plus Absolute Counting Beads/CountBright Absolute Counting Beads, instead of a tight cluster of beads on the scatter plot, I am seeing the beads cover a broad area. What is causing this?
Prior to taking an aliquot, make certain to thoroughly mix the beads. This may also be caused if the beads were ever frozen or the stock solution has any microbial contamination.
Which buffers can I use with the CountBright Plus Absolute Counting Beads and CountBright Absolute Counting Beads?
You may use any physiological buffer or media in a pH range from pH 4 to 10. Avoid extremes of pH and high salt concentrations.
How are CountBright Plus Absolute Counting Beads different from CountBright Absolute Counting Beads?
Here are the differences:
CountBright Plus Absolute Counting Beads:
Bead Size: 4 µm
Excitation Range: 385 - 810 nm
Emission Range: 385 - 860 nm
CountBright Absolute Counting Beads:
Bead Size: 7 µm
Excitation Range: 350 - 635 nm
Emission Range: 350 - 810 nm
For Research Use Only. Not for use in diagnostic procedures.