7. Comparison of Sodium/Potassium Phosphate Buffers on Preservation of Lactate Dehydrogenase at the Ambient Temperature

Abstract

Effects of sodium/potassium phosphate buffers on residual activities of lactate dehydrogenase (LDH) were investigated in view of its preservation in the ambient temperature storage. Two preliminary refrigeration methods were also examined. From the results, there is no significant difference between sodium and potassium phosphate buffers and the preliminary refrigeration in -85℃ freezer is better than in liquid nitrogen on residual activities.