The Excelsa Flex Centrifuge Model 3400 is designed for micromethod centrifugation procedures for use in laboratories and blood banks. Due to its rotor options, it can be used in a variety of micro centrifugation processes, such as blood group testing, blood typing, Coombs tests and cell washing, cytology (cell analysis), microhematocrit tests, micro separations in biochemistry or biology, such as radioimmunoassay (RIA), hormone receptors, amino acid analyses, immunological assay, DNA, separation of aqueous and non-aqueous materials, and in industrial and educational chemistry.