1 PRODUCTIVITY OF Chlorella sorokiniana IN A SHORT LIGHT-PATH (SLP) PANEL PHOTOBIOREACTOR UNDER HIGH IRRADIANCE Authors: María Cuaresma 1,2 , Marcel Janssen 2 , Carlos Vílchez 1 and René H. Wijffels 2 Addresses: 1 University of Huelva, Algal Biotechnology Group, Chemistry and Material Sciences Department, Faculty of Sciences, Fuerzas Armadas Avenue S/N, 21007 Huelva, Spain. 2 Wageningen University, Bioprocess Engineering Group, P.O. Box 8129, 6700 EV, Wageningen, the Netherlands; *Author for correspondence (e-mail: maria.cuaresma@wur.nl; phone +34-959-219973; fax +34-959-219942)