we used experimental animal data to derive a human acute reference dose of 1.33 g/ kg body weight, which corresponds to maximum concentration of TTX in shellï¬sh of 200 g/kg.
Uses of Nickel. 1  Nickel is used in many products some of you may use everyday including electric guitar strings, magnets and rechargeable batteries. 2  The magnetic properties of nickel actually make it very important for use in computer hard drives.
Nickel is a heavy metal and trace element that is active in many chemical reactions, but is not clearly an essential element in humans. No metabolic or biochemical function for nickel has been identified in higher animals, but it is found in many tissues and actively interacts with other metals, vitamins and proteins.