Annika SÃ¶renstam. Annika SÃ¶renstam (pronounced [Ëan.niË.ka ËsÃ¸Ë.rÉn.Ëstam]; listen ; born 9 October 1970) is a retired Swedish professional golfer, one of the most successful female golfers in history.
Medical Definition of METALLOTHIONEIN. : any of various metal-binding proteins involved in the metabolism of copper and zinc in body tissue (as of the liver) and in the binding of toxic metals (as cadmium).
In alkaline solution, copper sulfate ions react with the peptide bonds of proteins to produce a pink to purple color, called the biuret reaction. The amount of serum protein in a sample solution is estimated by comparing its color with that of a standard solution whose protein concentration is known. A colourimetric urine test for identifying peptides and proteins using the biuret reagent (sodium hydroxide and copper sulfate).