Model computations on the differential scattering of circularly polarized light (CIDS) by dense macromolecular particles.
Model computations on the differential scattering of circularly polarized light (CIDS) by dense macromolecular particles.
复制标题
致密大分子颗粒对圆偏振光 (CIDS) 的微分散射的模型计算。
DOI：
10.1002/bip.360240505
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发表时间：
1985
期刊：
影响因子：
2.9
通讯作者：
TinocoJr,I
中科院分区：
文献类型：
--
作者：
Keller,D;Bustamante,C;Maestre,MF;TinocoJr,I
本文计算了两种一般类型的手性排列的圆强度微分散射（CIDS）模式。计算是用第二个玻恩近似法完成的。所考虑的几何形状是(a)具有螺旋方向的各向异性散射群的线性阵列（扭曲阶梯）和(b)具有任意各向异性和方向的散射群的螺旋阵列。第一种模型（扭曲阶梯）的CIDS表达式简化为简单的分析形式，并清楚地说明了CIDS模式的许多属性。第二种几何形状（螺旋）更为普遍。对定向散射体和旋转平均散射体进行了计算，如解中所示。
Circular intensity differential scattering (CIDS) patterns have been calculated for two general types of chiral arrangements. The calculations were done using the second Born approximation. The geometries considered are (a) a linear array of anisotropic scattering groups with a spiraling orientation (a twisted ladder) and (b) a helical array of scattering groups with arbitrary anisotropy and orientation. The CIDS expressions for the first of these models (twisted ladder) reduces to a simple analytical form and clearly illustrates many properties of CIDS patterns. The second geometry (helix) is more general. Calculations were done for oriented scatterers and for rotationally averaged scatterers as would be found in solution.