Table 1 The investigated variables.

From: The synergistic interference effect of silica nanoparticles concentration and the wavelength of ELISA on the colorimetric assay of cell toxicity

Variables

Unite

The range of variables

Wavelength

nm

470, 490, 520, and 570

Calcination temperature

°C

70, 350, 600, 800 and 1000

Concentration of SiO2 NPs

mM

1, 10, and 100

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