NMR screening in drug discovery Jonathan M Moore NMR methods in drug discovery have traditionally been used drugs. Many pharmaceutical industry research groups have to obtain structural information for drug targets or embarked on drug discovery programs using NMR screen-

SPE'TROSCO)Y LSI in Nuclear Magnetic Resonance Spectroscopy 32(1998)193-275 Technical aspects of nmr spectroscopy with biological macromolecules and studies of hydration in solution erhard Wider Institut fur Molekularbiologie und Biophysik, Eidgenossische Technische Hochschule, Honggerberg, CH-8093 Zurich, Switzerland

nature publishing group http://structbio.nature.com news and views Department of Biological Sciences. chem.276146-116200 Columbia University, New York, New York 6. Chen,.. Sharma, 5. Quiocho, F.A. Davidson. A.L. 15. Jones. P.M. George. A.M. FEMS Microbiol. Lett

THE MATHEMATICS OF NMR EX ons Trigonometric Functions Differentials and Integral Coordinate Transformations Convolutions Imaginary Numbers The Fourier transform tial Functions

What is nmr? g NMR, Nuclear Magnetic Resonance, is a phenomenon which occurs when the nuclei of certain atoms are immersed in a static magnetic field and exposed to a second oscillating magnetic field

4.1 NMR HARDWARE Hardware overview Magnet Field lock Shim Coils Sample probe RF CoIls Gradient coils Qadrature Detector Digital Filtering

Welcome to the exiting world of NMR... though a little hard to learn... remember... .Why just NMR... .How a ID NMR spectrum look like... .What we can obtain from it... and what can we do for a big molecule

一、损耗的定义 二、损耗的种类及其产生原因 三、损耗波谱特性

3-11①LED的P-特性呈线性,而LD的P-特性呈非线性。 ②LED产生是非相干光,功率低,方向性差;而LD发出的是相干光,功率高,方向性 好 ③LED的波谱宽度比LD的宽

一、电子探针的原理 二、电子探针仪的结构 三、波谱仪(WDS) 四、能谱仪(EDS) 五、电子探针仪分析方法