Propidium Iodide
| 貨號 | 數量 | 價格 | 交貨時間 | 購買此產品 |
|---|---|---|---|---|
| 39010 | 2 mL, 0.1 mg/mL in water | $85 | 現貨 | |
| 3162-100mg | 100 mg | $98 | 現貨 |
Propidium iodide (PI) is a plasma membrane-impermeable intercalating DNA stain that allows discrimination between necrotic, apoptotic, and healthy cell populations based on membrane integrity. After binding to DNA, the dye emits an orange-red channel with an absorption maximum at 535 nm and an emission maximum at 617 nm. The quantum yield of the complex PI with DNA is 20-30 times higher than the quantum yield of free dye.
PI also binds to RNA, thus a pre-treatment with nucleases is required to distinguish between RNA and DNA staining. PI is also widely used in fluorescent staining and imaging of plant cell walls.
We offer Propidium iodide in a solid form and 0.1 mg/ml aqueous solution. The aqueous PI solution is a component of Annexin V-AF 488 Apoptotic Cell Detection Kit.
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Hoechst 33342，藍色螢光核酸染色劑 (Hoechst 33342, blue fluorescent nucleic acid stain)
Hoechst 33342（雙苯甲亞胺）是一種細胞可滲透的藍色螢光 雙鏈DNA（dsDNA） 染料，用於對活細胞和固定細胞中的染色體和細胞核進行染色。AF 568 carboxylic acid
Non-reactive form of AF 568 fluorescent dye with a free carboxyl group.6-Carboxy-H2DCFDA (6-carboxy-2',7'-dichlorodihydrofluorescein)
A reagent for detecting reactive oxygen species (ROS) in living cells. This carboxylated H2DCFDA analog has two additional negative charges that impede its leakage out of the cell.General properties
| Appearance: | dark crystals or orange/red solution |
| Molecular weight: | 668.41 |
| CAS number: | 25535-16-4 |
| Molecular formula: | C27H34I2N4 |
| IUPAC name: | 3,8-diamino-5-(3-(diethyl(methyl)ammonio)propyl)-6-phenylphenanthridin-5-ium iodide |
| Solubility: | poor in water, good in DMSO |
| 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: | 下載 |
| 產品規格 |
Spectral properties
| Excitation/absorption maximum, nm: | 537 (complex) |
| Emission maximum, nm: | 616 (complex) |
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