{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Fournier B"],"funding":["NCRR NIH HHS","NIGMS NIH HHS"],"pagination":["250-60"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC4770874"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["72(Pt 2)"],"pubmed_abstract":["Two methods for scaling of multicrystal data collected in time-resolved photocrystallography experiments are discussed. The WLS method is based on a weighted least-squares refinement of laser-ON/laser-OFF intensity ratios. The other, previously applied, is based on the average absolute system response to light exposure. A more advanced application of these methods for scaling within a data set, necessary because of frequent anisotropy of light absorption in crystalline samples, is proposed. The methods are applied to recently collected synchrotron data on the tetra-nuclear compound Ag2Cu2L4 with L = 2-diphenylphosphino-3-methylindole. A statistical analysis of the weighted least-squares refinement residual terms is performed to test the importance of the scaling procedure."],"journal":["Acta crystallographica. Section A, Foundations and advances"],"pubmed_title":["Analysis of multicrystal pump-probe data sets. II. Scaling of ratio data sets."],"pmcid":["PMC4770874"],"funding_grant_id":["P41 RR007707","RR007707","R24 GM111072"],"pubmed_authors":["Sokolow J","Coppens P","Fournier B"],"additional_accession":[]},"is_claimable":false,"name":"Analysis of multicrystal pump-probe data sets. II. Scaling of ratio data sets.","description":"Two methods for scaling of multicrystal data collected in time-resolved photocrystallography experiments are discussed. The WLS method is based on a weighted least-squares refinement of laser-ON/laser-OFF intensity ratios. The other, previously applied, is based on the average absolute system response to light exposure. A more advanced application of these methods for scaling within a data set, necessary because of frequent anisotropy of light absorption in crystalline samples, is proposed. The methods are applied to recently collected synchrotron data on the tetra-nuclear compound Ag2Cu2L4 with L = 2-diphenylphosphino-3-methylindole. A statistical analysis of the weighted least-squares refinement residual terms is performed to test the importance of the scaling procedure.","dates":{"release":"2016-01-01T00:00:00Z","publication":"2016 Mar","modification":"2025-04-25T19:03:22.078Z","creation":"2019-03-27T02:10:08Z"},"accession":"S-EPMC4770874","cross_references":{"pubmed":["26919377"],"doi":["10.1107/S2053273315024055","10.1107/s2053273315024055"]}}