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PMQA (Zn-green), an 8-aminoquinoline-based ratiometric fluorescent sensor, exhibits an 85 nm redshift in emission upon Zn 2+ induction. This cell membrane-permeable probe effectively images Zn 2+ within living cells [1].

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
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| 10 mg | Inquiry | Inquiry | Inquiry | |
| 50 mg | Inquiry | Inquiry | Inquiry |
| Description | PMQA (Zn-green), an 8-aminoquinoline-based ratiometric fluorescent sensor, exhibits an 85 nm redshift in emission upon Zn 2+ induction. This cell membrane-permeable probe effectively images Zn 2+ within living cells [1]. |
| In vitro | PMQA, when incubated (20 μM) for 1 hour, exhibits weak green fluorescence attributed to its high affinity for zinc, capturing intracellular zinc from native ligands [1]. The Zn²⁺ response of PMQA can be reversed by N,N,N’,N’-tetrakis(2-pyridylmethyl)ethylenediamine (TPEN) or EDTA [1]. PMQA stock solution (0.1 mM in Tris Buffer) shows no significant degradation when stored at room temperature for a week, as confirmed by HPLC analysis [1]. |
| Synonyms | Zn-green |
| Molecular Weight | 292.34 |
| Formula | C17H16N4O |
| Cas No. | 1263820-18-3 |
| Smiles | N(C(CNCC1=CC=CC=N1)=O)C=2C3=C(C=CC2)C=CC=N3 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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