... compilation ª 2006 FEBS 5507 Human skin cell stress response to GSM-900 mobile phone signals In vitro study on isolated primary cells and reconstructed epidermis Sandrine Sanchez1, Alexandra Milochau2, ... T thetemperature in Kelvin and t the time in seconds. In linewith the International Commission on Non-IonizingRadiation Protection guidelines for local exposure limits, cells were exposed ... 3,3¢-diaminobenzidine staining) in sham, GSM-900 (2 WÆkg)1,48 h) or UVB (200 mJÆcm)2, 48 h recovery time) conditions and according to time in culture. GSM-900 and cell stress in skin models...