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10 Dec 2007: Broadband proton-decoupled proton spectra. Author:. Version:. Posted:. Andrew Pell. October 24, 2006.

5 Mar 2002: 7–1. 7 Two-dimensional NMR†. 7.1 Introduction. The basic ideas of two-dimensional NMR will be introduced by reference to theappearance of a COSY spectrum; later in this chapter the product operatorformalism will be used to predict the form of

17 Sep 2007: 13. 14. 1516. 17. 18. 19. 20. 21. 22. 23. 24.

1 Feb 2001: 1 24 2 2 2+ ( )In a heteronuclear system a coherence order can be assigned to each spinseparately.

7 Oct 2003: and refocusing. Different slices were excited by stepping. the frequency offset for the selective pulses from 24 to.

1 Feb 2001: 4–1. 4 Coherence Selection: Phase Cycling and Gradient Pulses. A multiple-pulse NMR experiment is designed to manipulate the spins in a certain carefully defined way so as to produce a particular spectrum. However, a given pulse sequence usually

25 Mar 2014: gives considerable flexibility. Spin echoes 24. Spin echoes: summary. I in homonuclear systems spin echoes allow the coupling toevolve while effectively suppressing the evolution due to theoffset (shift).

26 Jun 2014: n0α). I rate depends on deviation from equilibrium population. Relaxation in terms of populations 24.

5 Mar 2002: 1 24 2 2 2+ ( )In a heteronuclear system a coherence order can be assigned to each spin.

5 Mar 2002: Is the magnet sufficientlyhomogeneous to be of use? E 5–2A careful pulse calibration experiment determines that the 180 pulse is 24.8µs.

24 Feb 2004: 1 24 2 2 2+ ( )In a heteronuclear system a coherence order can be assigned to each spinseparately.

5 Mar 2002: 2 3. 4. ν0,1 ν0,2. frequency. 13. 24. 12. 3424 1334 12. ... 13 57 24 68. spin 2spin 3. αα. α ββ α β.

24 Feb 2004: 13. 23 0 3. 11. 24 0 2. 112. 22 0 2. ... 11. 24 0 3. 24. 24 2 4. 23. 22 2 1. ( ) ( ) ( ) ( ). ( ) ( ) ( ) ( ).

24 Feb 2004: ν0,1 ν0,2. frequency. 13. 24. 12. 3424 1334 12. spin 1flipsflips spin 2. ... 13 57 24 68. spin 2spin 3. αα. α ββ α β.

9 Aug 2003: 13. 23 0 3. 11. 24 0 2. 112. 22 0 2. ... 11. 24 0 3. 24. 24 2 4. 23. 22 2 1. ( ) ( ) ( ) ( ). ( ) ( ) ( ) ( ).

7 Aug 2003: Development of a method for the. measurement of long-range 13C–1H coupling. constants from HMBC spectra. Richard A E Edden and James Keeler University of Cambridge, Department of Chemistry, Lensfield Rd, Cambridge,. CB2 1EW, U.K. Abstract. This

12 Mar 2002: 13. 23 0 3. 11. 24 0 2. 112. 22 0 2. ... 11. 24 0 3. 24. 24 2 4. 23. 22 2 1. ( ) ( ) ( ) ( ). ( ) ( ) ( ) ( ).

1 Feb 2001: These details are summarized in thediagram below. 2 J122 J1213 24 12 34. ... 1–24. 1.6.1.2 Ensemble averages; bulk magnetization. In order to compute, say, the x-magnetization from the whole sample, it isnecessary to add up the individual contributions

9 Aug 2003: 6. 320. 2 320. 24. ω ω. ω ω. τω τ. ... 6.3.4.4 Relaxation of IEvaluating. 6–24. [ ][ ] ( )( ) ( ) ( )12 A A I Jpq p qp q.

1 Feb 2001: 3–1. 3 Basic concepts fortwo-dimensional NMR. ,QWURGXFWLRQ. The basic ideas of two-dimensional NMR will be introduced by reference tothe appearance of a COSY spectrum; later in this lecture the productoperator formalism will be used to predict the

24 Feb 2004: Is the magnet sufficientlyhomogeneous to be of use? E 5–2A careful pulse calibration experiment determines that the 180 pulse is 24.8µs.

1 Feb 2001: 3–1. 3 Basic concepts fortwo-dimensional NMR. ,QWURGXFWLRQ. The basic ideas of two-dimensional NMR will be introduced by reference to theappearance of a COSY spectrum; later in this lecture the product operatorformalism will be used to predict the

1 Feb 2001: 4–1. 4 Coherence Selection: Phase Cycling and Gradient Pulses. A multiple-pulse NMR experiment is designed to manipulate the spins in a certain carefully defined way so as to produce a particular spectrum. However, a given pulse sequence usually

24 Feb 2004: 7–1. 7 Two-dimensional NMR†. 7.1 Introduction. The basic ideas of two-dimensional NMR will be introduced by reference tothe appearance of a COSY spectrum; later in this chapter the productoperator formalism will be used to predict the form of

12 Mar 2002: 9–1. 9 Coherence Selection:Phase Cycling and Gradient Pulses†. 9.1 Introduction. The pulse sequence used in an NMR experiment is carefully designed toproduce a particular outcome. For example, we may wish to pass the spinsthrough a state of

23 Jul 2002: 4–1. 4. Coherence Selection:Phase Cycling and Gradient Pulses. 4.1 Introduction. The pulse sequence used in an NMR experiment is carefully designed toproduce a particular outcome. For example, we may wish to pass the spinsthrough a state of

5 Mar 2002: increasing τ. Fig. 3.24 Visualization of the outcome of an inversion recovery experiment. ... 3.24. 3.11 Off-resonance effects and soft pulses. -y. z. xb. c.

24 Feb 2004: 9–1. 9 Coherence Selection:Phase Cycling and Gradient Pulses†. 9.1 Introduction. The pulse sequence used in an NMR experiment is carefully designed toproduce a particular outcome. For example, we may wish to pass the spinsthrough a state of

24 Feb 2004: increasing τ. Fig. 3.24 Visualization of the outcome of an inversion recovery experiment. ... Thewhole process is visualized in Fig. 3.24. 3.11 Off-resonance effects and soft pulses.

9 Jan 2007: field strength of1.7 kHz, which was swept through an offset range of 24 kHz in 24 ms. ... 24. (a). (b). 2.6 2.2 1.8 1.4 ppm1.0. 0. -100. -200.

1 Feb 2001: These details aresummarized in the diagram below. 2 J122 J1213 24 12 34. ... 1–24. The corresponding equation for cβ is found by left multiplying by 〈β|.