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.
Copper is also used in UD's for birth control because of its factors. Copper is a trace element needed for healthy growth and function of bones, collagen, the brain, the heart, the skin and immune system. Copper is contained throughout our bodies and in our hair.