ISO 4962:2024

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SO 4962:2024 is an International Standard that outlines an in vitro acute nanoparticle phototoxicity assay. This standard specifies a procedure to evaluate the acute phototoxicity of nanoparticles suspended in cell culture media. The method involves measuring the relative reduction in cellular viability under UVA exposure and comparing the photoactivity of nanoparticles to a positive control.