Table 1.
31P Chemical shifts (ppm) of UDP(G) and NAD(H) components measured in human brain at 7T.
| UDP(G) multi-doublet | UDP(G) (pseudo-)doublet | ||||||
|---|---|---|---|---|---|---|---|
| IR-based | Conventional | IR-based | Conventional | Perlmana (24) | de Graaf(14) | Kim(9) | |
| NADH | −8.092 | −8.111 | −8.132 | −8.132 | −8.1 | −8.13 | |
| NAD+ | −8.132 | −8.131 | −8.141 | −8.140 | −8.15 | −8.15 | |
| −8.467 | −8.467 | −8.453 | −8.452 | −8.45 | −8.47 | ||
| UDP-Gal | −8.047 | −8.022 | |||||
| −9.554 | −9.543 | UDP(G) |
−9.490 | ||||
| UDP-Glc | −8.165 | −8.162 | −8.200 | −8.196 | −8.23 | −8.23 | |
| −9.697 | −9.699 | −9.794 | −9.802 | −9.688 | −9.83 | −9.83 | |
| UDP-GalNAc | −8.215 | 8.218 | |||||
| −9.785 | −9.782 | −9.769 | |||||
| UDP-GlcNAc | −8.265 | −8.265 | |||||
| −9.961 | −9.963 | −9.961 | |||||
a
From rat extract at pH 8.2, corrected for difference in reference by setting the chemical shift of hexose phosphate of UDP-GlcNAc to −9.961 ppm. Chemical shifts obtained from the summed spectrum.