zwitterionic
[/ˌtswɪtərˈɑːnɪk/]
adjective
zwiteriônico
1. Relating to or denoting a molecule or ion that contains both positive and negative charges in different parts of its structure, with zero net electric charge
Amino acids are zwitterionic compounds at physiological pH because they have both carboxyl and amino groups.
Os aminoácidos são compostos zwiteriônicos em pH fisiológico porque possuem tanto grupos carboxila quanto grupos amino.
2. Of or pertaining to a zwitterion, a type of chemical species with formal positive and negative charges on different atoms
The zwitterionic nature of betaine makes it an effective osmolyte in cells.
A natureza zwiteriônica da betaína a torna um osmólito eficaz nas células.
This is a specialized scientific term predominantly used in chemistry, biochemistry, and pharmaceutical research. It is not commonly used in casual conversation in either Brazil or the USA, being restricted to academic and professional scientific contexts. The term is equally understood and used across both Portuguese-speaking and English-speaking scientific communities.
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