Greetings, Does anyone know the cytoplasmic pH of S2 cells? Kristi -- Kristi A. Wharton, PhD Associate Professor Department of Molecular Biology, Cell Biology and Biochemistry Brown University Box G-L370 Sidney E Frank Hall for Life Sciences 185 Meeting Street Providence, R.I. 02912 Phone: 401 863 1951 FAX: 401 863 1348