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@ARTICLE{Mandl:441954,
author = {Mandl, Thomas and Östlin, Christofer and Dawod, Ibrahim E.
and Brodmerkel, Maxim N. and Marklund, Erik and Martin,
Andrew V. and Timneanu, Nicusor and Caleman, Carl},
title = {{S}tructural {H}eterogeneity in {S}ingle {P}article
{I}maging {U}sing {X}-ray {L}asers},
journal = {The journal of physical chemistry letters},
volume = {11},
issn = {1948-7185},
address = {Washington, DC},
publisher = {ACS},
reportid = {PUBDB-2020-02822},
pages = {6077 - 6083},
year = {2020},
abstract = {One of the challenges facing single particle imaging with
ultrafast X-ray pulses is the structural heterogeneity of
the sample to be imaged. For the method to succeed with
weakly scattering samples, the diffracted images from a
large number of individual proteins need to be averaged. The
more the individual proteins differ in structure, the lower
the achievable resolution in the final reconstructed image.
We use molecular dynamics to simulate two globular proteins
in vacuum, fully desolvated as well as with two different
solvation layers, at various temperatures. We calculate the
diffraction patterns based on the simulations and evaluate
the noise in the averaged patterns arising from the
structural differences and the surrounding water. Our
simulations show that the presence of a minimal water
coverage with an average 3 Å thickness will stabilize the
protein, reducing the noise associated with structural
heterogeneity, whereas additional water will generate more
background noise.},
cin = {CFEL-I / FS-CFEL-1},
ddc = {530},
cid = {I:(DE-H253)CFEL-I-20161114 / I:(DE-H253)FS-CFEL-1-20120731},
pnm = {6215 - Soft Matter, Health and Life Sciences (POF3-621)},
pid = {G:(DE-HGF)POF3-6215},
experiment = {EXP:(DE-H253)CFEL-Exp-20150101},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:32578996},
UT = {WOS:000562064500038},
doi = {10.1021/acs.jpclett.0c01144},
url = {https://bib-pubdb1.desy.de/record/441954},
}