Results 161 to 170 of about 2,789 (229)
PFG NMR and QENS diffusion study of n-alkane homologues in MFI-type zeolites [PDF]
Microporous and Mesoporous Materials, 2006 Recent methodological progress in pulsed field gradient (PFG) NMR and quasi-elastic neutron scattering (QENS) is exploited to enhance the range of diffusion measurement of the series of the n-alkane homologues in MFI-type zeolites (silicalite-1, ZSM-5 ...
Wolfgang Schmidt +2 more
exaly +3 more sources
The charge transport mechanism in Brønsted-acidic protic ionic liquid/water systems – An NMR and QENS study [PDF]
Journal of Molecular Liquids, 2021 In this study, a protic ionic liquid (PIL), 2-Sulfoethylmethylammonium triflate [2-Sema][TfO] is considered as a potential new proton conducting electrolyte for future polymer membrane fuel cells capable of ambient air operation above 100 °C.
Jingjing Lin +4 more
semanticscholar +2 more sources
Analysis of QENS in aligned nematic phases [PDF]
Physica Scripta, 1995 The potential of QENS (quasi-elastic neutron scattering) to study molecular diffusive motions is well established, but in nematic phases it has not measured up to expectations due to the complexities of such systems. In this work we report the results of a detailed analysis of QENS data obtained for partially deuterated ethoxybenzylidene-bis ...
FONTANA M. P., GALLONE, GIUSEPPE CARMINE
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Li diffusive behavior of garnet-type oxides studied by muon-spin relaxation and QENS [PDF]
Solid State Ionics, 2014 A diffusive behavior of Li+ ion in a garnet-type oxide, Li5 + xLa3ZrxNb2 − x012 with x = 0–2, has been investigated by both a positive muon-spin relaxation (μ+SR) and quasi-elastic neutron scattering (QENS) technique using powder samples.
Hiroshi Nozaki +2 more
exaly +3 more sources
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Neutron News, 2019
The origin of the QENS conferences series dates back to 1992, when its first edition—organized by Barbara Gabrys, Spencer Howells, Colin Carlile and Phil Salmon—was celebrated in Windsor, UK.
Arantxa Arbe, Juan Colmenero
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The origin of the QENS conferences series dates back to 1992, when its first edition—organized by Barbara Gabrys, Spencer Howells, Colin Carlile and Phil Salmon—was celebrated in Windsor, UK.
Arantxa Arbe, Juan Colmenero
openaire +2 more sources
Real time and real space analysis for coherent QENS and its application to liquid bismuth
Physica B: Condensed Matter, 2019Real time and real space analysis for quasielastic neutron scattering (QENS) by means of the regularization method to estimate a spectrum has been developed.
Tatsuya Kikuchi, Yukinobu Kawakita
exaly +2 more sources
QENS and PCS study of aqueous BSA–PEO `crowded’ solutions
Physica B: Condensed Matter, 2000Abstract In this contribution we report first results from a study of aqueous protein–polymer solutions using the complementary techniques of quasielastic neutron scattering (QENS) and photon correlation spectroscopy (PCS). A 15% solution of bovine serum albumin (BSA) without and with 10% PEO600 (polyethylene oxide, M w =600) is used as a model ...
Caterina Branca +2 more
exaly +3 more sources
QENS from polymer aggregates in supercritical CO2 [PDF]
Physica B: Condensed Matter, 2000 Abstract We report QENS measurements from PS-b-PFOA aggregates in supercritical CO2. Line shapes are dominated by localized diffusive modes and segmental dynamics of the anchored, finite-length PFOA chains. For Q⩽0.6 A−1, we obtain effective diffusion coefficients of ≅0.8 10−6 cm2/s.
R Triolo +8 more
openaire +3 more sources
Dynamics of Nanostructures for Drug Delivery: the Potential of QENS
Zeitschrift Fur Physikalische Chemie, 2010Abstract In recent biomedical studies different nanocarrier systems have been proposed for ´smart´ drug delivery. The engineering of these systems requires as a prerequisite a detailed knowledge of their structure and dynamics at the molecular level.
Yuri Gerelli, Maria TERESA Di Bari
exaly +4 more sources