Journal Article

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2018-08-17
10:46
OpenAccess [PUBDB-2018-02994] Journal Article
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Ab initio calculation of electron-impact-ionization cross sections for ions in exotic electron configurations
Atomic or molecular assemblies irradiated with intense hard x-ray pulses, such as those emitted from x-ray free-electron lasers (XFELs), are subject to a strong ionization, which also releases electrons from atomic inner shells. The resulting core-hole states relax via various channels, including fluorescence and Auger decay [...]
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2018-08-16
21:18
OpenAccess [PUBDB-2018-02982] Journal Article
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Biochemical and structural features of diverse bacterial glucuronoyl esterases facilitating recalcitrant biomass conversion
Lignocellulose is highly recalcitrant to enzymatic deconstruction, where the recalcitrance primarily results from chemical linkages between lignin and carbohydrates. Glucuronoyl esterases (GEs) from carbohydrate esterase family 15 (CE15) have been suggested to play key roles in reducing lignocellulose recalcitrance by cleaving covalent ester bonds found between lignin and glucuronoxylan [...]
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2018-08-16
13:18
OpenAccess [PUBDB-2018-02975] Report/Journal Article
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Five-particle phase-space integrals in QCD
[arXiv:1803.09084; DESY-18-043]
We present analytical expressions for the 31 five-particle phase-space master integrals in massless QCD as an $\epsilon$-series with coefficients being multiple zeta values of weight up to 12. In addition, we provide computer code for the Monte-Carlo integration in higher dimensions, based on the RAMBO algorithm, that has been used to numerically cross-check the obtained results in 4, 6, and 8 dimensions..
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2018-08-15
15:55
OpenAccess [PUBDB-2018-02965] Journal Article
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A New Synthesis Approach for Carbon Nitrides: Poly(triazine imide) and Its Photocatalytic Properties
ACS omega 3(4), 3892 - 3900 () [10.1021/acsomega.8b00294]  GO
Poly(triazine imide) (PTI) is a materialbelonging to the group of carbon nitrides and has shown tohave competitive properties compared to melon or g-C3N4,especially in photocatalysis. As most of the carbon nitrides, PTIis usually synthesized by thermal or hydrothermal approaches.We present and discuss an alternative synthesis for PTI whichexhibits a pH-dependent solubility in aqueous solutions. [...]
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2018-08-15
10:46
[PUBDB-2018-02962] Journal Article/Contribution to a conference proceedings
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Design Concept for the In Situ Nanoprobe Beamline for the APS Upgrade
X-Ray Microscopy 2018, XRM2018, SaskatoonSaskatoon, Canada, 19 Aug 2018 - 24 Aug 20182018-08-192018-08-24 Microscopy and microanalysis 24(S2), 192 - 193 () [10.1017/S1431927618013314]  GO
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2018-08-15
10:40
Embargoed OpenAccess [PUBDB-2018-02961] Journal Article/Contribution to a conference proceedings
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Challenges and Opportunities with Highly Brilliant X-ray Sources for multi-Modal in-Situ and Operando Characterization of Solar Cells
X-Ray Microscopy 2018, SaskatoonSaskatoon, Canada, 19 Aug 2018 - 24 Aug 20182018-08-192018-08-24 Microscopy and microanalysis 24(S2), 434 - 435 () [10.1017/S1431927618014423]  GO
Published on 2018-08-16. Available in OpenAccess from 2019-02-16.: Download fulltextPDF Download fulltextPDF (PDFA); Restricted: Download fulltextPDF Download fulltextPDF (PDFA); External link: Download fulltextFulltext
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2018-08-13
20:11
OpenAccess [PUBDB-2018-02941] Journal Article
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Phase retrieval for near-field X-ray imaging beyond linearisation or compact support
Applied physics letters 113(4), 041109 () [10.1063/1.5029927]  GO
X-ray phase contrast imaging based on free space propagation relies on phase retrieval to obtain sharp images of micro- and nanoscale objects, with widespread applications in material science and biomedical research. For high resolution synchrotron experiments, phase retrieval is largely based on the single step reconstruction using the contrast transfer function approach (CTF), as introduced almost twenty years ago [Cloetens et al., Appl. [...]
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2018-08-13
20:05
[PUBDB-2018-02940] Journal Article
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Solving the Phase Problem in X-Ray Near-Field Holography Beyond the Assumption of Weak Objects
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2018-08-13
18:56
[PUBDB-2018-02939] Journal Article
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ID-Full Field Microscopy of Elastic and Inelastic Scattering with Transmission off-axis Fresnel Zone Plates
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2018-08-13
17:42
Embargoed OpenAccess [PUBDB-2018-02938] Journal Article/Contribution to a conference proceedings
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Simultaneous Hard X-ray Ptychographic Tomography and X-ray Fluorescence Tomography of Isolated Hollow Core-Shell GaN Rods
14th international conference on X-ray microscopy, XRM 2018, SaskatoonSaskatoon, Canada, 19 Aug 2018 - 24 Aug 20182018-08-192018-08-24 Microscopy and microanalysis 24(S2), 34 - 35 () [10.1017/S143192761801259X]  GO
Published on 2018-08-16. Available in OpenAccess from 2019-02-16.: Download fulltextPDF Download fulltextPDF (PDFA); Restricted: Download fulltextPDF Download fulltextPDF (PDFA); External link: Download fulltextFulltext
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