文书代写:分子结构的研究方法

文书代写:分子结构的研究方法

这三种方法中最古老的是x射线晶体学,用于研究宏观分子结构。这是一种测定晶体的原子和分子结构的技术。在这个过程中,水晶原子会使x射线衍射到特定的方向。从衍射光束测量角度和强度。然后,3D图像来自于晶体中发现的电子密度。这是基于电子密度的。在晶体中发现的原子的平均位置与化学键、它们的无序和形成(Rothfield, 2014)一起决定。这是一种古老的技术。一种相对较新的技术是核磁共振。这是在下面解释的。核磁共振(NMR)是一种较年轻的技术,用于探测分子结构。

文书代写:分子结构的研究方法

这是一个更强大的工具,用来理解分子结构。在这种情况下,核磁共振谱有许多阶段。每一组都使用一种高度专门化的技术。样品测量。应用了准备和解释的方法。该结构是经过计算和验证的。NMR被用于研究原子的中心核心(Sperelakis, 2012)。这些被发现是根据当地的分子环境而变化的,它使用地图来理解原子之间的联系。在原子和它们的运动之间找到了空间。这些方法更类似于磁共振成像(Yeagle, 2011)。然而,分子应用被发现利用不同的方法。在核磁共振成像中,我们将重点放在计算上,以了解三维分子模型。最近使用的一种方法是分子动力学。

文书代写:分子结构的研究方法

Oldest of these three methods is X-Ray crystallography and is used to study the macro molecular structure. This is a technique where the atomic and molecular structure of a crystal is determined. In this, the crystalline atom causes a beam of X-ray to diffract into specific direction. The angles and the intensities are measured from the diffracted beams. The 3D pictures are then derived from the density of electrons that are found in the crystal. This is based on the electron density. The mean position of the atoms that is found in the crystal is determined along with chemical bonds, their disorder and their formation (Rothfield, 2014). This is an older technique. A relatively newer technique is the Nuclear Magnetic Resonance. This is explained in the following. The Nuclear Magnetic Resonance (NMR) is a younger technique that is used to probe into the molecular structure.

文书代写:分子结构的研究方法
This is a more powerful tool that is used to understand the molecular structure. In this case, the NMR spectroscopy has many phases. Each set uses a highly specialized technique. The sample is measured. Prepared and interpretive approaches are applied. The structure is found to be calculated and validated. NMR is used for the study of the central core of the atom (Sperelakis, 2012). These are found to vary based on the local molecular environment and it uses a map to understand the linkages between atoms. The space is found between the atoms and their movement. The approaches are more similar to the magnetic resonance imaging (Yeagle, 2011). However, the molecular applications are found to utilize different approaches. In NMR, there is focus on the calculations to understand the 3 dimensional molecular models. A more recent method that is being used is the molecular dynamics.