Microplate, 384 Well, White Assay Plate, Non-Treated, Non-Sterile, Porvair. 384-well assay plates are available in black, white and clear. These have been optimized for fluorescence, luminescence/scintillation and ELISA/turbidity measurements respectively. The working volume is 120µl/well. The 384-well format, with its higher density of wells, allows more work to be carried out in a standard sized plate, aiding higher throughput. All of these plates are manufactured from high quality polystyrene.