(1942) used FITC-labeled antibodies to identify Pneumococcal antigens in infected tissue. Since then, improvements have been made in protein conjugation, tissue fixation methods, detection labels and microscopy, making immunohistochemistry a routine and essential tool in diagnostic and research laboratories.
Check daily for germination. Onion seeds germinate in five to 14 days, depending on the cultivar and the soil temperature. Move to a sunny location and keep the tops trimmed to a height of 4 inches. Keep soil moist.
Seed Germination. Soil temperature has an effect on how quickly seeds germinate. If the soil is at 75 degrees Fahrenheit, seeds usually germinate in about seven days. Cooler temperatures slow germination, with seeds in 60 degrees F soil taking two weeks to sprout.If the soil temperature goes down to 50 degrees F, seeds take about 43 days to germinate.ill the pots with growing medium to within 1 inch of the rim. Sow seeds 1/4 inch deep and spaced 1 inch apart, or about two or three seeds per pot.