blood and renal tissue levels of vanadium , measured using emission spectrographic analysis , in rats infused with sodium orthovanadate were 4 times higher than the concentration of sodium orthovanadate ( 1 -- 10 microm ) needed to inhibit 50 % of the na-k-adenosine triphosphate activity of rat renal homogenates in vitro .
C1514845
renal tissue
C0022646
renal