Meaning & use
kilodalton
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A unit of mass equal to one thousand daltons, commonly used to express the molecular weight of proteins and other large molecules.
See it in a sentence
The protein has a molecular weight of roughly sixty-six kilodaltons.
Gel electrophoresis can separate proteins that differ by only a few kilodaltons.
A note on using this word
Abbreviated 'kDa'; the dalton itself is named after the chemist John Dalton.
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