Evidence map›Paper›PMID 29979172›Full record

ArticleJournal of synchrotron radiation2018

Smaller capillaries improve the small-angle X-ray scattering signal and sample consumption for biomacromolecular solutions.

Martin A Schroer, Clement E Blanchet, Andrey Yu Gruzinov, Melissa A Gräwert, Martha E Brennich, Nelly R Hajizadeh, Cy M Jeffries, Dmitri I Svergun

Abstract read
In one paragraph

Article in Journal of synchrotron radiation, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Martin A SchroerEuropean Molecular Biology Laboratory (EMBL), Hamburg Outstation c/o DESY, Notkestrasse 85, 22607 Hamburg, Germany.ORCID 0000-0002-0747-3965
Clement E BlanchetEuropean Molecular Biology Laboratory (EMBL), Hamburg Outstation c/o DESY, Notkestrasse 85, 22607 Hamburg, Germany.
Andrey Yu GruzinovEuropean Molecular Biology Laboratory (EMBL), Hamburg Outstation c/o DESY, Notkestrasse 85, 22607 Hamburg, Germany.
Melissa A GräwertEuropean Molecular Biology Laboratory (EMBL), Hamburg Outstation c/o DESY, Notkestrasse 85, 22607 Hamburg, Germany.
Martha E BrennichEuropean Molecular Biology Laboratory (EMBL), Grenoble Outstation, 71 Avenue des Martyrs, 38042 Grenoble, France.ORCID 0000-0003-0415-8334
Nelly R HajizadehEuropean Molecular Biology Laboratory (EMBL), Hamburg Outstation c/o DESY, Notkestrasse 85, 22607 Hamburg, Germany.
Cy M JeffriesEuropean Molecular Biology Laboratory (EMBL), Hamburg Outstation c/o DESY, Notkestrasse 85, 22607 Hamburg, Germany.
Dmitri I SvergunEuropean Molecular Biology Laboratory (EMBL), Hamburg Outstation c/o DESY, Notkestrasse 85, 22607 Hamburg, Germany.

Funding

Bundesministerium für Bildung und Forschung/Röntgen-Ångström cluster project "TT-SAS" 05K16YEADeutsche Forschungsgemeinschaft GZ: SV 9/5-1EMBL Interdisciplinary Postdoc Programme (EIPOD) und Marie Curie COFUNDHorizon 2020: iNEXT 653706
6 · The paper itself

Abstract

Radiation damage by intense X-ray beams at modern synchrotron facilities is one of the major complications for biological small-angle X-ray scattering (SAXS) investigations of macromolecules in solution. To limit the damage, samples are typically measured under a laminar flow through a cell (typically a capillary) such that fresh solution is continuously exposed to the beam during measurement. The diameter of the capillary that optimizes the scattering-to-absorption ratio at a given X-ray wavelength can be calculated a priori based on fundamental physical properties. However, these well established scattering and absorption principles do not take into account the radiation susceptibility of the sample or the often very limited amounts of precious biological material available for an experiment. Here it is shown that, for biological solution SAXS, capillaries with smaller diameters than those calculated from simple scattering/absorption criteria allow for a better utilization of the available volumes of radiation-sensitive samples. This is demonstrated by comparing two capillary diameters d

Indexed as

Scattering, Small AngleMacromolecular SubstancesProteinsSolutionsSynchrotronsX-Ray DiffractionMacromolecular SubstancesProteinsSolutionsflow through sample environmentprotein solutionradiation damagesmall-angle X-ray scattering

Identifiers

PMID29979172
PMCPMC6038601

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.