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.
What is NIPT? NIPT (noninvasive prenatal testing) is a blood test that can detect Down syndrome and a few other chromosomal conditions at 10 weeks of pregnancy or later. (You can also find out your baby's sex.) You may have heard these tests called by their brand names: Harmony, MaterniT21, Panorama, and Verifi.