Carrying out column chromatography. The column. In thin layer chromatography, the stationary phase is a thin layer of silica gel or alumina on a glass, metal or plastic plate. Column chromatography works on a much larger scale by packing the same materials into a vertical glass column.
Types of Fertility Tests for Women. There are a number of types of fertility testing that can help our Houston-area fertility doctors to establish the source of a coupleâs infertility. Fertility tests for women can include: There are several hormones that must work together in the female body for pregnancy to occur and progress properly.
1 This test is not done very often because there are other fertility tests that give more information about the fertility problem.  The sperm penetration assay (also called the hamster zona-free ovum test or hamster test) checks whether a man's sperm can join with an egg. Sperm are mixed with hamster eggs in a laboratory.