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相关概念视频

Applications Of NMR In Biology01:25

Applications Of NMR In Biology

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Nuclear magnetic resonance (NMR) spectroscopy is a very valuable analytical technique for researchers. It has been used for more than 50 years as an analytical tool. F. Bloch and E. Purcell formulated NMR in 1946 and won the 1952 Nobel Prize in Physics  for their work. Biological macromolecules such as proteins, nucleic acids, lipids, and organic molecules including pharmaceutical compounds, can be studied using this versatile tool that exploits the magnetic properties of certain nuclei.
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NMR Spectrometers: Resolution and Error Correction01:14

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When magnetic nuclei in a sample achieve resonance and undergo relaxation, the signal detected in NMR is an approximately exponential free induction decay. Fourier transform of an exponential decay yields a Lorentzian peak in the frequency domain. Lorentzian peaks in an NMR spectrum are defined by their amplitude, full width at half maximum, and position, where the peak width is governed by the spin-spin relaxation time alone. In real experiments, however, the applied magnetic field is rendered...
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2D NMR: Overview of Homonuclear Correlation Techniques01:16

2D NMR: Overview of Homonuclear Correlation Techniques

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Homonuclear correlation spectroscopy (COSY) is a powerful technique used in Nuclear Magnetic Resonance (NMR) spectroscopy to study the correlations between nuclei of the same type within a molecule. It provides information about scalar couplings between adjacent nuclei, which helps determine connectivity and structural information. There are several COSY variants, each with its unique strengths and experimental parameters.
COSY90 is the standard two-dimensional (2D) COSY experiment that...
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通过溶液NMR光谱绘制抗体表皮层:实用考虑

Elia Tamagnini1, Luca Simonelli1, Mattia Pedotti1

  • 1Institute for Research in Biomedicine, Università della Svizzera italiana (USI), Bellinzona, Switzerland.

Methods in molecular biology (Clifton, N.J.)
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概括

核磁共振 (NMR) 谱学可以识别蛋白质表位,即抗体向的抗原上的特定结合位. 这种方法为制药研究和疫苗开发提供了详细的残留水平见解,这对于制药研究和疫苗开发至关重要.

关键词:
所有的效应都会产生迷恋效应.抗体是对抗体的一种.抗原是一种抗原.化学转移映射绘制化学转移的地图化学转移扰动的化学转移扰动在地图上绘制出地图的地图.溶液NMR是指溶液中的NMR.

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科学领域:

  • 生物化学和分子生物学
  • 结构生物学 结构生物学
  • 免疫学 免疫学 免疫学

背景情况:

  • 在基础研究,制药研发和疫苗设计中,突的识别至关重要.
  • 抗体-抗原相互作用形成了定义免疫反应的关键分子接口.
  • 这些接口的准确表征对于治疗和诊断应用至关重要.

研究的目的:

  • 将核磁共振 (NMR) 光谱作为一种用于蛋白质表位标识的强大技术.
  • 详细说明在表位图绘制中使用NMR的实验协议和实际考虑.
  • 突出NMR在特征抗体-抗原接口方面的优点和局限性.

主要方法:

  • 使用溶液核磁共振 (NMR) 谱学进行残留水平分析.
  • 描述抗体和蛋白质抗原之间的分子间接口.
  • 专注于基于NMR的表位组决定的实验程序和实践方面.

主要成果:

  • 证明了NMR光谱对于详细表位特征的适用性.
  • 提供了关于参与抗体与抗原结合的特定氨基酸残留的见解.
  • 概述了NMR方法的实际适用性和挑战.

结论:

  • 溶液核磁共振光谱技术是准确在残留水平上识别表位的宝贵工具.
  • 该技术有助于更深入地了解抗体-抗原相互作用.
  • 在免疫学,药物发现和疫苗开发方面的研究中,NMR提供了显著的优势.