Sparsity-based Ankylography for Recovering 3D molecular structures from single-shot 2D scattered light intensity.

ABSTRACT: Deciphering the three-dimensional (3D) structure of complex molecules is of major importance, typically accomplished with X-ray crystallography. Unfortunately, many important molecules cannot be crystallized, hence their 3D structure is unknown. Ankylography presents an alternative, relying on scattering an ultrashort X-ray pulse off a single molecule before it disintegrates, measuring the far-field intensity on a two-dimensional surface, followed by computation. However, significant information is absent due to lower dimensionality of the measurements and the inability to measure the phase. Recent Ankylography experiments attracted much interest, but it was counter-argued that Ankylography is valid only for objects containing a small number of volume pixels. Here, we propose a sparsity-ba

SUBMITTER: Mutzafi M 

PROVIDER: S-EPMC4560757 | biostudies-literature | 2015 Aug

REPOSITORIES: biostudies-literature