LIVE/DEAD™ Fixable Yellow Dead Cell Stain Kit, for 405 nm excitation
货号：L34967,L34959,L34968
规格：80 assays,200 assays,400 assays
价格：1344,3542,4040
产品类型：细胞生物学
品牌：SunJin Lab
| The LIVE/DEAD™ Fixable Yellow Dead Cell Stain Kit is used to determine the viability of cells prior to the fixation and permeabilization required for intracellular antibody staining or prior to elimination of biohazardous materials using formaldehyde fixation. This kit has been optimized and validated for use with a violet laser flow cytometer.• Stable—dyes are freeze dried in separate vials to maintain stability• Robust—staining pattern is the same before and after fixation• Low compensation—minimal spectral overlap between other fluorophoresView a selection guide for all fixable viability dyes for flow cytometry.StableUnlike products that are sold in solution, the LIVE/DEAD™ Fixable Yellow Stain has been conveniently packaged in 40-test vials to help ensure the stability and performance of the dye over time. Amine reactive dyes in solution will lose their effectiveness over a short period of time, therefore it is recommended to completely use the vial once rehydrated. If this is not possible, aliquot the vials in small volumes and store at -80°C, avoiding freeze-thaw cycles.RobustDead cell discriminator stains can lose sensitivity after treatment with fixatives such as formaldehyde or ethanol-based fixation methods required for intracellular phosphorylation studies. The LIVE/DEAD™ Fixable Yellow Stain is an amine reactive dye that binds covalently to intracellular and extracellular amines, and the staining pattern is preserved following formaldehyde fixation.Low compensationThe LIVE/DEAD™ Fixable Yellow Stain was selected based on its fluorescent properties to minimize compensation between other violet dyes and dyes that excite off of the 488 nm blue laser. The yellow-fluorescent reactive dye has an excitation maximum of ~405 nm, but it is excited well with the 405 nm violet laser, and it has an emission maxima of ~570 nm, so it can be collected in the second or third channel on most violet laser flow cytometers.How it worksIn cells with compromised membranes, the dye reacts with free amines both in the cell interior and on the cell surface, yielding intense fluorescent staining. In viable cells, the dye's reactivity is restricted to the cell-surface amines, resulting in less intense fluorescence. The difference in intensity is typically greater than 50-fold between live and dead cells, allowing for easy discrimination.Colors availableLIVE/DEAD™ Fixable Dead Cell Stains are available in a wide variety of colors to meet your multi-color panel needs. |
| 相关产品： |
| 细胞周期检测细胞凋亡检测细胞增殖活性检测 |
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