YODi-1, green fluorescent nucleic acid stain
Cat. # | Quantity | Price | Lead time | Buy this product |
---|---|---|---|---|
2932-50uL | 50 uL, 5 mM/DMSO | $85 | in stock | |
2932-200uL | 200 uL, 5 mM/DMSO | $320 $215 | in stock |
YODi-1 (Oxazole Yellow Homodimer, also known as YOYO®-1) is a green fluorescent carbocyanine dimeric dye. YODi-1 is a cell-impermeant nucleic acid stain that is nonfluorescent in the absence of nucleic acids but exhibits over a thousand-fold fluorescence enhancement upon binding to dsDNA.
The bright fluorescence signal and low background make YODi-1 ideal for staining nucleic acids on microarrays, as well as for nuclear and chromosome counterstaining in multicolor fluorescence labeling experiments. YODi-1 can also be used for the analysis of single molecules of DNA.
Absorption and emission spectra of YODi-1 (DNA–dye complex)
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Appearance: | orange solution |
Molecular weight: | 1270.66 |
CAS number: | 143413-85-8 |
Molecular formula: | C49H58I4N6O2 |
Quality control: | NMR 1H and HPLC-MS (95+%) |
Storage conditions: | 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. |
MSDS: | Download |
Product specifications |
Spectral properties
Excitation/absorption maximum, nm: | 490 |
Emission maximum, nm: | 508 |
Fluorescence quantum yield: | 0.37 |