Title:Spectroscopic characterization of an Oxovanadium(IV) complex of Oxodiacetic acid and 2,2’-Bipyridine : Bioactivity on Osteoblast-like cells in culture
Title:Pleurosigma guarreranum, sp. nov. (Pleurosigmataceae, Bacillariophyta), from the Gulf of San Matías, Argentina, and comparison with the allied species Pleurosigma exemptum and P. obesum