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Magnesium ion indicator

Magnesium ion indicators are a type of fluorescent dye used to detect changes in magnesium ion concentration inside cells. They achieve quantitative analysis by binding to Mg²⁺ to cause changes in fluorescence intensity or wavelength. They are widely used in cell metabolism research.

  • Mag-Fluo-4 AM
    T868491097709-31-3
    Mag-Fluo-4 AM is a Mg 2+ (magnesium ion) dye and a low-affinity Ca 2+ (calcium ion) dye and fluorescent indicator with Kd of 4.7 mM and 22 µM, respectively, that localizes Ca 2+ in the lumen of endoplasmic reticulum-like tubules in many cell types, and is commonly used in live cell assays.
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  • KMG-104AM
    T19019
    KMG-104AM is a selective fluorescein-derived magnesium fluorescent membrane-permeable probe. It is successfully used to Intracellular 3D Mg2+ Imaging.
    • $2,030
    6-8 weeks
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  • Mem-C1C18
    T81823
    Mem-C1C18, a polarity-sensitive fluorescent probe, exhibits superior plasma membrane anchoring and high brightness, alongside a sensitive alteration in fluorescence lifetime in response to environmental polarity changes. This compound facilitates the quantification of plasma membrane polarity fluctuations during ferroptosis [1].
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  • Mag-Fura-2 AM
    T83941130100-20-8
    Mag-Fura-2 AM, a cell-permeable fluorescent compound, serves as a selective indicator for magnesium ions (Mg2+), demonstrating significant preference for Mg2+ over other bivalent ions including zinc (Zn2+), copper (Cu2+), and calcium (Ca2+). It notably exhibits over 13,000-fold greater selectivity for Mg2+ compared to Ca2+ (Mg2+Kd = 1.9 nM vs. Ca2+Kd = 25 μM). The excitation and emission peak wavelengths are 369 nm and 511 nm, respectively. Further, Mag-Fura-2 AM is utilized as an indirect measure of ATP consumption or production due to its magnesium ion sensitivity.
    • $1,430
    35 days
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  • Ethyl benzo[6,7]-4-oxo-4H-quinolizine-3-carboxlate
    T86388101192-30-7
    Compound 3, formally known as ethyl benzo[6,7]-4-oxo-4H-quinolizine-3-carboxlate, serves as a Mg 2+ selective fluorescent indicator [1].
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  • Mag-indo-1/AM
    T86851130926-94-2
    Mag-indo-1 AM, a cell-permeable fluorescent indicator for Mg2+ and Ca2+ (Ex=340-390 nm, Em=410-490 nm), is used to determine intracellular Mg2+ and Ca2+ concentrations [1][2].
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  • BAPTA Tetrasodium
    T20957126824-24-6
    BAPTA Tetrasodium is a selective fluorescent chelator for calcium. In conjunction with certain formazan dyes, BAPTA can be used in a colorimetric assay for Mg2+.
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    • Mag-Indo-1 tetrapotassium salt
      T81882132299-21-9
      Mag-Indo-1 tetrapotassium salt is a cell-impermeable fluorescent probe designed for detecting Mg2+ [1].
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    • Mag-Fura-2 tetrapotassium
      T86850132319-57-4
      Mag-Fura-2 tetrapotassium, a UV-excitable fluorescent Mg²⁺ Ca²⁺ indicator (Ex=334-360 nm, Em=510 nm), is used to determine Mg²⁺ and Ca²⁺ concentrations [1] [2].
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