[A commercial available kit for semiquanititative determination of plasmatic and urinary aminoacids by thin layer chromatography (author's transl)].

A commercially available kit (Amino-acid TLC kit-Sibar, Perugia, Italy) for screening of plasma aminoacids inborn errors has been used as routine method for plasma newborn examinations in a mid-size clinical Laboratory. Good results were obtained by this inexpensive and simple kit.