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X-ray dynamical diffraction in amino acid crystals: a step towards improving structural resolution of biological molecules via physical phase measurements

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Author(s):
Morelhao, Sergio L. ; Remedios, Claudio M. R. ; Calligaris, Guilherme A. ; Nisbet, Gareth
Total Authors: 4
Document type: Journal article
Source: JOURNAL OF APPLIED CRYSTALLOGRAPHY; v. 50, p. 12-pg., 2017-06-01.
Abstract

In this work, experimental and data analysis procedures were developed and applied for studying amino acid crystals by means of X-ray phase measurements. The results clearly demonstrated the sensitivity of invariant triplet phases to electronic charge distribution in D-alanine crystals, providing useful information for molecular dynamics studies of intermolecular forces. The feasibility of using phase measurements to investigate radiation damage mechanisms is also discussed on experimental and theoretical grounds. (AU)

FAPESP's process: 12/01367-2 - X-RAY PHASE MEASUREMENTS USED AS A PROBE OF SMALL STRUCTURAL CHANGES INDUCED BY DOPANTS IN CRYSTALS OF TECHNOLOGICAL RELEVANCE
Grantee:Zohrab Gevorg Amirkhanyan
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 16/11812-4 - 13th Biennial Conference on High Resolution X-ray Diffraction and Imaging
Grantee:Sérgio Luiz Morelhão
Support Opportunities: Research Grants - Meeting - Abroad
FAPESP's process: 14/08819-1 - XXIII Congress and General Assembly of the International Union of Crystallography
Grantee:Sérgio Luiz Morelhão
Support Opportunities: Research Grants - Meeting - Abroad
FAPESP's process: 14/21284-0 - International Symposium on Crystallography - 100 years of History
Grantee:Sérgio Luiz Morelhão
Support Opportunities: Research Grants - Meeting - Brazil
FAPESP's process: 12/15858-8 - XI International Conference on Nanostructured Materials (NANO 2012)
Grantee:Sérgio Luiz Morelhão
Support Opportunities: Research Grants - Meeting - Abroad