The cell-impermeant Magnesium Green™, potassium salt exhibits a higher affinity for Mg2+(Kd ~1.0 mM) than mag-fura-2 (Kd ~1.9 mM) or mag-indo-1 (Kd ~2.7 mM). Upon binding Mg2+, Magnesium Green exhibits and increase in fluorescence emission intensity without a shift in wavelength with absorption/emission maxima ~506/531 nm.
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For Research Use Only. Not for use in diagnostic procedures.