| zwitterionic | Denoting a substance with the properties of a zwitterion; e.g., at pH value of 6.11, alanine is zwitterionic. (05 Mar 2000) |
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| zwitterionic buffer | Buffer whose structure can include opposite charges. Synonym: dipolar buffer. (05 Mar 2000) |
| zwitterionic detergent | Detergents that are zwitterionic; often used as surfactants and in the release of proteins from biomembranes. Synonym: zwitterionic detergent. Origin: zwitterion + detergent (05 Mar 2000) |
| zwitterionic surfactant | A dipolar surfactant. (05 Mar 2000) |