Cations and Inorganic Ion Assays
Measure iron, copper, zinc, calcium, magnesium, sodium, potassium, chloride and phosphate in serum, cells and other biological samples.
Total and ferrous iron (including kits for cell samples), total iron binding capacity, copper and zinc.
Calcium, magnesium, sodium, potassium and chloride.
Phosphate, sulfate, oxalate, citrate, acetate and formate.
Metal ions and electrolytes act as enzyme cofactors, signalling messengers and regulators of osmotic balance. Iron and copper are tightly controlled because the free ions drive oxidative damage, which is why iron assays are also a core read-out in ferroptosis research.
Colorimetric kits use a chromogen that binds the target ion selectively, so results can be read on a standard absorbance plate reader without specialist equipment.
Yes. Dedicated kits measure total and ferrous iron in cell samples, alongside kits for serum and other fluids.
Ferrous iron is the reduced Fe2+ form. Total iron includes both ferrous and ferric (Fe3+) iron after reduction.
No. These are colorimetric or turbidimetric assays read on a standard microplate reader.