HEPPS (EPPS) is a commonly used Good's buffer. It is often used as separator in ultrathin isoelectric focusing gels and enhances the resolution of phosphoglucomutase. It is used as a buffering agent in biology and biochemistry. HEPPS is a biological buffer with a useful pH range of 7.3-8.7 and a pKa=8.0 at 25°C. Research on mice with Alzheimer's disease-like amyloid beta plaques has shown that HEPPS can cause the plaques to break up, reversing some of the symptoms in the mice. HEPPS was reported to dissociate amyloid beta oligomers in patients' plasma samples enabling blood diagnosis of Alzheimer's disease.
