The morphology and ultrastructure of the epidermis of leaves and fruit Interaction between micro-organisms Optical aspects of colour in biological systems Study of blood corpuscles Anatomy of the sheep heart Dentistry filling materials Development of an immobilization technique for use in bacterial cell studies Inactivation of bacterial genes to alter morphology Development of specimen preparation techniques for Electron Microscopy Construction and charactization of viral protein The influence of cooking processes on the ultrastructural components of plant seeds Development of biofilms in various environments