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.
For prenatal testing, or paternity testing while pregnant, there are a few options to choose from: 1  Non-Invasive Prenatal Paternity (NIPP): A non-invasive prenatal paternity test is the most accurate non-invasive way to establish paternity before the baby is born.