HSQCHeteronuclear Single Quantum Coherence (nuclear magnetic resonance protein experiment)
HSQCHeteronuclear Single Quantum Correlation
HSQCHeteronuclear Single-Quantum Coherence Spectroscopy
HSQCHealth, Safety and Quality Control
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References in periodicals archive ?
All proton and carbon assignments were fully established due to the analysis of COSY, HSQC and HMBC spectra, which finally led to the structure of 1 as [4-(4-(methoxycarbonyl)benzyl)phenyl]carbamic acid, which is a new natural product.
The NMR spectra data (Table 2) are evident with the (1)H and (13)C chemical shift signals for a conjugated di-substituted olefinic bond in ring B and the isolated olefinic bond in the aliphatic side chain, and six methyl (two angular and four at the aliphatic side chain) and one secondary carbinol (CHOH) at position 3 of ring A, which were unambiguously assigned as stated in Table 2 using 2D-NMR (HMBC, H-H-COSY, and HSQC) experiments.
HSQC and H2BC, which provided the correlation between [sup.1]H and [sup.13]C direct bond and two bonds, respectively, were used to confirm the structure of the polysaccharide (Figures 4(a) and 4(b)).
The [sup.1]H-, [sup.13]C, DEPT-135, COSY, HSQC, and HMBC spectra generated for identifying compound 2 as vernolide are annexed as a supporting material 1, 2, 3, 4, 5, and 6, respectively.
[sup.1]H, [sup.13]C{[sup.1]H}, and HSQC NMR spectra of polymer P-12 in CDCl3 were recorded on an Avance 600 MHz spectrometer at room temperature and tetramethylsilane (TMS) was used as an internal standard.
In the selective HSQC spectrum of DAM, the two signals at 40.71 and 42.96 can be assigned to C11 and C12, which couple with the strong signal at 2.88 (H10 and H11).
Furthermore, each of the [sup.13]C spectra presented a signal around 136-139 ppm, which made cross peak with the signal of H13 in the HSQC spectra and so it was attributed to -CH=N- (C13).
2D [sup.1]H-[sup.15]N HSQC spectra of uniformly [sup.15]N labeled T[F.sub.1][epsilon] were measured in the presence and absence of ATP.
In recent years, the Health Quality and Safety Commission (HSQC) (2014a; 2014b; 2016a) has conducted B/D pilot schemes around New Zealand to assess the effectiveness of the strategy.