LSM is a sterile-filtered solution of a sucrose polymer and diatrizoate salts. It is formulated for isolation of mononuclear cells from defibrinated or heparinized whole human blood, as well as blood from ohter species. One-step centrifugation permits separation of mononuclear lymphocytes from erythrocytes, polynuclear lymphocytes and most platelets. Maximum yield of mononuclear cells Easy one-step centrifugation > 96