生物大分子波谱学原理 吴季辉 7.313C一13℃相关谱 0.6 0.5 0.3 0.2 0.0 0.6 0.5- 0.3 0.2 0.011 0 10203040500 10203040 50 Tm (ms) FIGURE 7.25 Isotropic mixing for 13C spins in isoleucine.Transfer functions for ideal isotropic mixing under the strong coupling Hamiltonian are shown for magnetization transfer for magnetization originating on the (a)13Ca,(b)3C8,and (c)13Cy2,and (d)3Cyl spins.The curves for the destination spins are (-)C8, (---)Cy2,(-.-)Cyl,and (----)C5.The one-bond scalar coupling constants were assumed to be 35 Hz.Relaxation and resonance offset effects have been neglected. 7.3 13 C －13 C相关谱 生物大分子波谱学原理 吴季辉