zwitterionic buffer

zwit·ter·i·on·ic buff·er

buffer the structure of which can include opposite charges.
Synonym(s): dipolar buffer
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
The effect of different zwitterionic buffers and PBS used for out-of-incubator procedures during standard in vitro embryo production on development, morphology and gene expression of bovine embryos.
The effect of BSA and various zwitterionic buffers (MOPS and HEPES etc.) was investigated in vitro and in vivo.
Apart from N-(2-acetimido)-2-iminodiacetic acid complexing calcium and bis(2-hydroxyethyl)aminotris(hydroxymethyl)methane, which inhibits the indicator enzyme (like all amino-type buffers), equal reaction rates of pancreatic amylase were measured in zwitterionic buffers and collidine; however, the rates were 10% lower in phosphate (Table 2).