Porvair Sciences are a manufacturer of polypropylene and polystyrene microplates in 24, 96 and 384 well formats. The PP plates are used for sample storage, collection, presentation and as part of a sample preparation workflow. The polystyrene plates are moulded in clear, black and white and are available with solid bottoms, or assembled with clear polystyrene, glass, quartz or COC bases. These can them be further treated to create specific surface characteristics for cell culture or assay applications.