Small-angle scattering: direct structure analysis

摘要: Abstract A direct method for structural interpretation of small-angle scattering data by monodisperse isotropic systems is presented. The spherical harmonics technique proposed Stuhrmann [Acta Cryst. (1970), A26, 297-306] used to choose the class possible solutions. enables one decompose intensity into partial amplitudes corresponding different multipole components density using space and value restrictions. If a particle possesses rotational symmetry, its structure may be restored directly method; if not, additional information required get set stable with respect experimental errors. efficiency procedure shown in model examples. application interpret X-ray curve bacteriophage T7 produced map electron resolution about 12 A.