Results 261 to 270 of about 1,578,280 (368)

The Impact of X‐ray Damage in Chemical Crystalline Materials and New Opportunities for Small Molecule Serial Crystallography

open access: yesChemistry – A European Journal, EarlyView.
The impact of X‐ray damage in chemical crystals was minimised by the introduction of area detectors in the late 20th‐century. Now, ever‐brighter X‐ray sources are re‐establishing X‐ray damage as a key challenge. This article reviews recent observations of X‐ray‐induced processes in chemical samples and discusses state‐of‐the‐art methodologies for their
Sam G. Lewis   +2 more
wiley   +1 more source

Photoswitchable Merocyanine‐Amphiphiles with Programmable Self‐Assembly Times

open access: yesChemistry – A European Journal, EarlyView.
A merocyanine‐based amphiphile self‐assembles in water to form visible‐light‐responsive ellipsoids that can be disassembled with visible light and reform abruptly ∼70 minutes after the light is switched off. The kinetics of the light‐induced assembly/disassembly process is controllable by incorporating different co‐surfactants.
Man Him Chak   +12 more
wiley   +1 more source

Phonon lifetime investigation of anharmonicity and thermal conductivity of UO2 by neutron scattering and theory.

open access: yesPhysical Review Letters, 2013
J. Pang   +5 more
semanticscholar   +1 more source

Testing Protocols for Obtaining Reliable Pair Distribution Functions from Laboratory X‐Ray Sources Using PDFgetX3

open access: yesChemistry–Methods, EarlyView.
This work explores data acquisition and reduction protocols for atomic pair distribution scheme that enhances high‐angle data collection, and the effects of instrumental parameters on resulting pair distribution functions are examined. A correction for sample absorption in PDFgetX3 is introduced. Herein, data acquisition protocols are explored and data
Till Schertenleib   +5 more
wiley   +1 more source

The promise of GaAs 200 in small-angle neutron scattering for higher resolution. [PDF]

open access: yesJ Appl Crystallogr
Magerl A   +5 more
europepmc   +1 more source

Continuous Flow Block Copolymer Nanoaggregate Synthesis and Their Flow Dialysis Purification

open access: yesChemistry–Methods, EarlyView.
This work details the methodology for the synthesis of block copolymer nanoparticles through continuous flow self‐assembly and purification via flow dialysis. Nanoaggregates are formed by mixing block copolymer solutions in THF with water, followed by dialysis to eliminate excess solvent.
Gayathri Dev Ammini   +2 more
wiley   +1 more source

Compression‐Induced Amorphization of ZIF‐62 Leading to Formation of Porous Glass: Overcoming the Limitations of Current Methods

open access: yesChemistry–Methods, EarlyView.
Nonhydrostatic compression in steps is applied to transform crystalline zeolitic imidazolate framework‐62 into glass at room temperature. This method overcomes the limitations of existing approaches. This research reveals the mechanism of this phase transformation, including modifications in porosity, using various techniques, particularly positron ...
Jaideep Mor   +4 more
wiley   +1 more source

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