Welcome to the exiting world Ofmr though a little hard to learn remember Why just Mr How a ID MMR spectrum look like What we can obtain from it eand what can we do for a big molecule. THMMR
THNMR YAN Welcome to the exiting world of NMR… though a little hard to learn… remember… •Why just NMR … •How a 1D NMR spectrum look like… •What we can obtain from it… •and what can we do for a big molecule…
Information from ID NR Spectrum Integral Area Half Height Peak Width Amplitude CH CH J constants Peak splitting TMS NOE 5.0 3.0 2.0 00 T1 ppm T2 。 Chemiday8higen Exchange Chemical Shift Reference THMMR
Information from 1D NMR Spectrum THNMR YAN Chemical Shift Chemical Shift Reference J constants Peak Splitting Integral Area Amplitude Half Height Peak Width NOE T1 T2 … Hydrogen Exchange
/到 生物核磁共振波谱学 NMR in Biological Science 6. 2D NMR Spectra THNMR AN
生物核磁共振波谱学 NMR in Biological Science 6. 2D NMR Spectra THNMR YAN
6.1 NTRODUCTION 1971比利时 Jeener2DNMR思想 1974-76瑞士RR. Ernst2DNMR理论 1979~82瑞士K. Wuthrich2DNMR&蛋白质 1982~瑞士K. Wuthrich 2DNMR+距离几何一>蛋白质空间结构 荷兰 W.F. Van gunsteren&R. Kaptein 2DNMR+计算机分子动力学模拟一>空间结构 THNMR AN
THNMR YAN 6.1 INTRODUCTION 1971 比利时 Jeener 2D NMR思想 1974~76 瑞士 R.R. Ernst 2D NMR理论 1979~82 瑞士 K. Wuthrich 2D NMR & 蛋白质 1982~ 瑞士 K. Wuthrich 2D NMR +距离几何—> 蛋白质空间结构 荷兰W.F. Van Gunsteren & R. Kaptein 2D NMR + 计算机分子动力学模拟—> 空间结构
What is 2D NMR? FT 十a +t =nAt, FT FID信号的强度和相位与t2=0时 刻之前核自旋系统的状态有关 Ar+d s(tr, t2)--2D FT->SO1,O,) Pulse Sequence(Spin Echo Sequence) THMMR
THNMR YAN t1= nDt1 t2 What is 2D NMR? FID信号的强度和相位与t2=0时 刻之前核自旋系统的状态有关 S(t1 , t2 ) —2D FT—> S(w1 , w2 ) => Pulse Sequence (Spin Echo Sequence)