HMQC vs HSQC for Small Molecules
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Proton detected Heteronuclear Multiple Quantum Coherence (HMQC) and Heteronuclear Single Quantum Coherence (HSQC) essentially provide the same information – correlation of the chemical shift of the proton to J-coupled hetero nuclei such as 13C or 15N nuclei. This paper is a practical note for the students who ask which one is better and which methods they use routinely. Artifact suppression using phase cycling and gradient pulses are discussed.
Abstract
Proton detected Heteronuclear Multiple Quantum Coherence (HMQC) and Heteronuclear Single Quantum Coherence (HSQC) essentially provide the same information – correlation of the chemical shift of the proton to J-coupled hetero nuclei such as 13C or 15N nuclei. This paper is a practical note for the students who ask which one is better and which methods they use routinely. Artifact suppression using phase cycling and gradient pulses are discussed.
참고문헌 (4)
- P. K. Mandal, , Concept Mag. Reson. A, 20, pp.1~ (2004)
- A. Maudsley, "Principles of nuclear magnetic resonance in one and two dimensions" (1987), Oxford University press
- I. A. Palmer, , J. Magn. Reson, 93, pp.151~ (1991)
- R. D. Boyer, , J. Magn. Reson, 165, pp.253~ (2003)