This website present Iodinated Density Gradient Media originally introduced by the Norwegian company Nyegaard & Co/Nycomed in the period 1973-1994. Some of these products have been on the market for more than 45 years. Today these products are owned by Abbott Laboratories all the liquid products are produced by Serumwerk Bernburg AG, Germany
In collaboration with scientific institutions and companies, several unique products have been brought to the market; Lymphoprep, Polysucrose 400, Polymorphprep, Nycodenz and OptiPrep.
The information on this website has been put together by Dr. John Graham Liverpool UK and Bjørn Henriksen, Oslo Norway
If you should have additional questions regarding these products you can also contact one of the following distributors.