Fluorescent probe (Ex: ~560nm; Em: 575nm) for the detection of nitric oxide (NO). It can be used to detect NO directly in biopsy tissues, cultured cells, and tissue sections. Stable in a pH range of 4-12. Low decrease in fluorescence intensity over time. Detection limit 7nM. Not for sale in Japan.
Product Details
Alternative Name: | Diaminorhodamine-4M |
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Formula: | C25H26N4O3 |
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MW: | 430.5 |
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Concentration: | ~5mM |
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Formulation: | Dissolved in 0.47ml DMSO. |
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Purity: | ≥98% (HPLC) |
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Appearance: | Reddish-violet liquid. |
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Shipping: | Blue Ice |
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Long Term Storage: | -20°C |
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Use/Stability: | Prepare 500-fold dilution (~10µM) in phosphate buffer (0.1M phosphate, pH 7.4) immediately before use. BSA, phenol red and amines may affect the fluorescence and must be used with caution. Do not store diluted solutions. |
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Handling: | Warm to room temperature before opening. Protect from light. Keep under inert gas. After opening, prepare aliquots and store at -20°C. |
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Regulatory Status: | RUO - Research Use Only |
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Product Literature References
Bioimaging of nitric oxide with fluorescent indicators based on the rhodamine chromophore: H. Kojima, et al.; Anal. Chem.
73, 1967 (2001),
Abstract;
Fluorescent indicators for nitric oxide: H. Kojima & N. Nagano ; Advanced Materials 12, 763 (2000),