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. Author manuscript; available in PMC: 2015 Jun 3.
Published in final edited form as: Photochem Photobiol. 2013 Nov 28;90(1):145–154. doi: 10.1111/php.12194

Figure 2.

Figure 2

6-4PP dosimetry curves. Dose–response curves for the formation of 6-4 pyrimidine-pyrimidone photoproduct in NHF1 exposed to a solar simulator (UVA–UVB, closed circles), UVB only (open squares) or UVC (open diamonds) as a function of cyclobutane pyrimidine dimers density. The 6-4PP density produced by UVC was statistically different from that produced by irradiation with a solar simulator (P = 0.04 by linear regression analysis). Both lesions were quantified in each sample by radioimmunoassay (n = 3–4, mean ± SEM).