图片区自拍区 亚洲欧美-欧美精东天美夜夜嗨牛牛-亚洲av制服一区二区三区-丝袜高跟鞋ol中文字幕

HEPES (4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid) is a zwitterionic organic chemical buffering agent. HEPES is widely used in cell culture, largely because it is better at maintaining physiological pH despite changes in carbon dioxide concentrati

1 M, pH 7.0-7.6, sterile-filtered, BioReagent, suitable for cell culture.$nHEPES (4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid) is a zwitterionic organic chemical buffering agent. HEPES is widely used in cell culture, largely because it is better at