Calcium interaction with phospholipid membranes containing phosphatidic acid is studied by multifrequency phase fluorometry, using DPH as fluorescent molecule. DPH decay is analysed by a continuous distribution of lifetimes. The results suggest an increase of membrane heterogeneity at low calcium concentrations, without changes in the polarity of the environment surrounding the probe.
Rapid Communication| August 01 1989
Ca2+ interaction with phospholipid bilayers studied by multifrequency phase fluorometry
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G. Zolese, G. Curatola; Ca2+ interaction with phospholipid bilayers studied by multifrequency phase fluorometry. Biosci Rep 1 August 1989; 9 (4): 497–502. doi: https://doi.org/10.1007/BF01117053
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