Calcium concentration in resting egg cell

Value 144 nM Range: ±10 nM
Organism Sea urchin Lytechinus pictus
Reference Poenie M, Alderton J, Tsien RY, Steinhardt RA. Changes of free calcium levels with stages of the cell division cycle. Nature. 1985 May 9-15 315(6015):147-9. p.147 left columnPubMed ID3838803
Method Researchers use Fura-2 which is a fluorescent tetracarboxylate chelator that exhibits a spectral shift in excitation maxima on binding calcium
Comments (mean±s.e.m., n=11) with extremes between 70 and 250nM.
Entered by Uri M
ID 107035