Figure 2
From: Perchlorates on Mars enhance the bacteriocidal effects of UV light
(a) Effects of UVC-irradiated Mg(ClO4)2 in rock analogues, under anaerobic conditions, polychromatic light and low temperature. Rock analogues exposed to aerobic environment (30 & 60 seconds);Liquid and rock analogue exposed to anaerobic environment (60 s); Liquid system exposed to polychromatic light (10 s); Liquid system chilled to 4 °C whilst irradiated (30 & 60 seconds); UV = UVC irradiated control; Perchlorate = 0.6 wt% Mg(ClO4)2. p < 0.05 was considered statistically significant (*) among groups; error bars are + s.d. (n = 3). (b) Effects of UVC-irradiated Mg(ClO4)2 at low temperature, 1–4 minute exposure. Liquid system chilled to 4 °C whilst irradiated. UV = UVC irradiated control; Perchlorate = 0.6 wt% Mg(ClO4)2. p < 0.05 was considered statistically significant (*) between or among groups; error bars are + s.d. (n = 3).
