Two general procedures for isolation and purification of toxins and proteolytic inhibitors from four coelenterates species: M. Chàvez,1 M. E. Garcia,1 L. Romero,1 T. Gòmez,1 V. Calero,1 M. Marquez,1 L. F. Alcorta,2 R. Mas2 (1Faculty of Biology,Havana University,and 2Brain Research Institute,Cuban Academy of Sciences,Havana, Cuba) |