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.
Simple test gives accurate prediction of ovulation to help women become pregnant. https://www.sciencedaily.com/releases/2011/07/110705091502.htm. Using a widely available ovulation test is a more reliable method of predicting when a woman will be at her most fertile than the commonly used calendar method. Researchers said that the ovulation test could cope with cycle variability, whereas the calendar method could not.