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Potent, highly selective Ca²⁺ ionophore. Effective mobile ion carrier for Ca²⁺, highly specific for divalent cations (Ca > Mg >> Sr =Ba). Useful for studies of Ca²⁺ transport across biological membranes and increasing intracellular Ca²⁺ concentrations. Complexes with Ca²⁺ between pH 7 and 9.5. Absorption max. (280 nm, MeOH): 18600 M-1cm-1.

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Ionomycin free acid (from Streptomyces conglobatus) ≥90% (by HPLC, TLC)

Supplier: Enzo Life Sciences

Potent and highly selective calcium ionophore

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Ionomycin free acid ≥98% (by HPLC, TLC), waxy colorless solid

Supplier: MP Biomedicals

Antibiotic. Potent and highly selective Ca2+ ionophore. Commonly used to modify intracellular calcium levels to study calcium transport across biological membranes and to calibrate fluorescent Ca2+ indicators. Ionomycin also transports Pb2+ and some other divalent cations, as well as several lanthanide series trivalent cations at efficiencies that are greater than or equal to those for Ca2+. Apoptosis inducer. Induces apoptotic neuronal degeneration in embryonic cortical neurons and cell cycle arrest at G1 phase and induces central demyelination. Used to stimulate the intracellular production of the cytokines, interferon, perforin, IL-2 and IL-4 usually in conjunction with PMA. ADAM10 agonist. Potent inducer of shedding CXCL16. TREK-1 channels inhibitor. PPARgamma ligand with a unique binding mode. Shows effective glucose-lowering activity in a mouse model of diabetes.