UV-Vis spectroscopy of RNA from 24 h AuNP-treated samples.

<p>(<b>A</b>) Full spectrum absorbance analyses of RNA obtained from 24 h AuNP-treated cells, measured at wavelengths from 190–840 nm. (<b>B</b>) Peak shifts of absorption spectra of RNA obtained from 24 h AuNP-treated cells, measured at wavelengths from 190–235 nm. (<b>C</b>) Traditional absorbance spectrum analyses of RNA obtained from 24 h AuNP-treated cells, measured at wavelengths from 220–340 nm. (<b>D</b>) Absorption spectra of RNA obtained from 24 h AuNP-treated cells, measured at wavelengths from 450–600 nm.