Arsenazo I and tetramethylmurexide as optical calcium indicators.

@article{Dorogi1982ArsenazoIA,
  title={Arsenazo I and tetramethylmurexide as optical calcium indicators.},
  author={P. Dorogi and U. Santarius and E. Neumann},
  journal={Analytical biochemistry},
  year={1982},
  volume={124 1},
  pages={
          27-36
        }
}
Calcium-binding stoichiometry, dissociation equilibrium constants at zero ionic strength @Lo), and molar extinction difference coefficients (At,) at the wavelength )r of the metallochromic indicators arsenazo I (ArsI) and tetramethylmurexide (TMX) were reevaluated with a computerized method based on mass conservation and thermodynamic consistency checks. This new method is shown to provide a more critical assessment of the assumed calcium-dye complexing model than is afforded by the commonly… Expand
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