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13C NMR of sulfated galactose

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Hi everybody, Has anyone ever seen a C-6 at 64 ppm in the 13C NMR spectrum of a sulfated galactose? ...
Posted: nvgramosa 1 Jan 16 '12 at 18:27

Method for indirect 13C-1H J-couplings measurements

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Dear colleagues! 13C-1H J-couplings are essential in some areas of molecule structure research. I discovered modern met...
Updated: VVK 41 Nov 29 '11 at 12:37

two triplets and no quartet?

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Hello all, I have spent approximately 4 hours trying to analyze an H NMR consisting of two doublets of doublets (pe...
Posted: Kelsey O'Dell 11 / Updated: sekhar Talluri 571 Mar 20 '11 at 11:29

Distinguish between protonation and conformational change?

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Hi all, In a folded protein with 13C-delta labeled glutamates, how can one distinguish between chemical shift due to pr...
Posted: RCKC 11 / Updated: SankarampadiAravamudhan 91 Feb 27 '11 at 22:59

Why is chemical shift range of 13C wider than of 1H nuclei?

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Why the chemical shift range of 1H nmr is ~20 ppm wheras for 13C nmr it is ~230 ppm? ...
Posted: sameer deka 31 / Updated: Yoan Monneau 136 Feb 15 '11 at 11:23
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