dip a clean wire loop into a solid sample of the compound being tested put the loop into the edge of the blue flame from a Bunsen burner observe and record the flame ...

The distinction between CLC ion channels and ion exchangers has become blurred. The physiological role of CLC exchangers has been a mystery, but one function is evidently to concentrate nitrate in ...

CHICAGO -- Measurement of metal ion levels in whole blood in patients with metal-on-metal (MoM) hip implants is useful -- but imperfect -- for identifying those whose new hips are functioning poorly ...

Nitrate ion is a common pollutant produced by municipal waste treatment systems, agricultural run-offs, and livestock waste. Although an essential component of fertilizers and necessary for growing ...