Gikas E, Bazoti FN, Tsarbopoulos A. Conformation of oleuropein, the major bioactive compound of Olea europea. Journal of Molecular Structure: THEOCHEM. 2007;821(1-3):125-132.

Papadopoulos N, Gikas E, Zalidis G, Tsarbopoulos A. Simultaneous determination of terbuthylazine and its major hydroxy and dealkylated metabolites in wetland water samples using solid-phase extraction and high-performance liquid chromatography with diode-array detection. Journal of agricultural and food chemistry. 2007;55(18):7270-7277.

Agalias A, Magiatis P, Skaltsounis A-L, Mikros E, Tsarbopoulos A, Gikas E, Spanos I, Manios T. A new process for the management of olive oil mill waste water and recovery of natural antioxidants. Journal of agricultural and food chemistry. 2007;55(7):2671-2676.