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Oxygen-18 isotope labeling and its effect on carbon-13 chemical shifts of the peptide bond |
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| Authors: | E Ponnusamy D Fiat C R Jones |
| Abstract: | The effects of 18O isotopes on 13C NMR chemical shifts of peptide carbonyl carbons were found to be 0.028 ppm for glyclyglycine and 0.029 ppm for glycylproline at 50.31 MHz. |
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