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.
Pregnancy Home > Pregnancy Test. There are two types of tests used to see if a woman is pregnant: blood and urine tests. Both types look for the presence of a special hormone that is only present when a woman is pregnant. This hormone, human chorionic gonadotropin (hCG), is also called the pregnancy hormone.