Figure 2From: Extreme sensitivity of gene expression in human SH-SY5Y neurocytes to ultra-low doses of Gelsemium sempervirens UV–vis spectra of representative Gelsemium s. solutions. A: Gelsemium s. 1c dilution supplied by the manufacturer, B: Gelsemium s. 2c dilution supplied, C: Gelsemium s. 3c dilution supplied, D: Gelsemium s. 2c dilution prepared by 100 × dilution of solution A and used in the experiments.Back to article page