Radioactive Hazard ReleaseChemical Hazard ReleaseCesium RadioisotopesFukushima Nuclear AccidentSpectrometry, GammaCesiumWater Pollutants, RadioactiveNuclear Power PlantsFood Contamination, RadioactiveGermaniumRadiation MonitoringNostoc communeCesium IsotopesHistamine ReleaseCalciumProportional Hazards ModelsCells, CulturedTime FactorsDelayed-Action PreparationsKineticsPotassiumSoil Pollutants, RadioactiveRyanodine Receptor Calcium Release ChannelNeurotransmitter AgentsCentrifugation, Density Gradient