(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.
Plant onion seed as soon as the soil can be worked in the spring. Onion seed germinates in a wide range of soil temperature, 18-29Â°C (65-85Â°F). Sow and cover onion seed with Â½â of soil and keep moist.Onions cCan be started indoors 6-8 weeks prior to planting in the spring. Thin or transplant to 3-4â apart in rows 18-24â apart.To plant onion sets, simply press sets into the soil about 2â apart. Later thin to about 4-6â apart to allow bulbs to mature.lant onion seed as soon as the soil can be worked in the spring. Onion seed germinates in a wide range of soil temperature, 18-29Â°C (65-85Â°F). Sow and cover onion seed with Â½â of soil and keep moist.