Mostrando 1,121 - 1,140 Resultados de 1,365 Para Buscar '"Purcell"', tiempo de consulta: 3.00s Limitar resultados
  1. 1121
    “…METHODS: Images were acquired using a Curr, Purcell, Meiboom, Gill (CPMG) imaging sequence. In order to reduce T(1) contamination and the signal oscillation, hard pulses were used as refocusing pulses. …”
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  2. 1122
    por Zhang, Yu, Biswas, Rana
    Publicado 2021
    “…We develop a general rigorous scattering matrix theory for light emission from corrugated OLEDs, by solving Maxwell’s equations in Fourier space, incorporating the environment-induced modification of the optical emission rate (Purcell effect). We computationally obtain the spectrally emissive power inside and outside the OLED. …”
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  3. 1123
    “…Carr–Purcell–Meiboom–Gill (CPMG) relaxation dispersion spectroscopy is commonly used for quantifying conformational changes of protein in μs-to-ms timescale transitions. …”
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  4. 1124
    “…Herein we develop such a framework by combining density functional theory (DFT) with macroscopic quantum electrodynamics, which we use to show Purcell enhancements reaching 10(7) for intersubband transitions in few-layer transition metal dichalcogenides sandwiched between graphene and a perfect conductor. …”
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  5. 1125
    “…Here, we demonstrate that the emission distribution of TADF emitters can be reshaped and narrowed in a top-emitting organic light-emitting device (OLED) with a weakly coupled microcavity. The Purcell effect of weak microcavity is found to be different for TADF emitters with different molecular orientations. …”
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  6. 1126
    “…More importantly, we demonstrate that quasi-BIC resonances are able to enhance localized light emission via the Purcell effect by at least 60 times, as compared to unpatterned silicon. …”
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  7. 1127
    “…Owing to the enhanced light collection, enhanced excitation rate, and quantum efficiency enhancement arising from the Purcell effect, an upconverted emission amplification of >1000-fold and a decrease of 2~3 orders of magnitude in the saturated excitation power are achieved. …”
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  8. 1128
    Publicado 2007
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  9. 1129
    por Zhang, Ziang, Sun, Lei
    Publicado 2023
    “…The genome-wide association studies are carried out using the software PLINK 2.0 [Purcell et al. (Plink: a tool set for whole-genome association and population-based linkage analyses. …”
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  10. 1130
    “…TD-NMR measurements were performed from 8 to 55 °C in order to mimic post-harvest processing as well the microscopic textural properties of hazelnut. The Carr–Purcell–Meiboom–Gill (CPMG) experiments showed five components for ‘Tonda Gentile Romana’ and four components for ‘Tonda di Giffoni’ relaxation times. …”
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  11. 1131
    “…NMR transverse relaxation waveforms of protons were acquired non-destructively at 2.7 MHz by the Carr–Purcell–Meiboom–Gill (CPMG) pulse sequence. The nature of viscous petroleum molecules having short transverse relaxation times (T2) compared to water molecules enabled us to distinguish the water-saturated portion from the oil-contaminated portion in the core sample using an M (0)–T2 plot, where M (0) is the initial amplitude of the CPMG signal. …”
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  12. 1132
    por Olsson, Lars E., Hockings, Paul D.
    Publicado 2016
    “…Image acquisition was performed on a 4.7 T, Bruker BioSpec with a multi spin-echo sequence (Car-Purcell-Meiboom-Gill) in both end-expiration and end-inspiration. …”
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  13. 1133
    “…This study includes 40 cases of β-thalassemia before and after HU therapy along with 40 healthy as controls. Carr-Purcell-Meiboom-Gill (CPMG) sequence was used to identify forty-one putative metabolites. …”
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  14. 1134
    “…Comparison of NMR relaxation parameters, including Carr–Purcell–Meiboom–Gill (CPMG) relaxation dispersion, between HqRRM1,2 and FqRRM1,2 indicates that FqRRM1,2 primarily adopts a more extended and flexible conformation. …”
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  15. 1135
    “…The T(2) relaxation time was measured using a Carr–Purcell–Meiboom–Gill (CPMG) sequence with variable echo spacing (T(E)). …”
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  16. 1136
    “…The phantom was imaged using a 1.5-T system with a single slice T2 relaxometry 25-echo Carr-Purcell-Meiboom-Gill sequence in order to obtain the T2 decay curve with 25 equidistant echo times. …”
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  17. 1137
    “…Effects of dissolved paramagnetic oxygen (O(2)) in water on (1)H nuclear magnetic resonance (NMR) Carr-Purcell-Meiboom-Gill (CPMG) experiments is evaluated at a (1)H Larmor frequency of 2 MHz. …”
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  18. 1138
    “…Abbreviations Arginine·glutamate (Arg·Glu), Carr-Purcell-Meiboom-Gill (CPMG), critical temperature (T(C)), high-performance size-exclusion chromatography (HPSEC), liquid–liquid phase separation (LLPS), monoclonal antibody (mAb), nuclear magnetic resonance (NMR), transverse relaxation rate (R(2))…”
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  19. 1139
    “…The (27)Al NMR central transition signals are spread out over a broad frequency range (>200 kHz), owing to the presence of strong nuclear electric quadrupolar interactions that can be well‐reproduced by the static (27)Al wideband uniform rate smooth truncation (WURST) Carr‐Purcell‐Meiboom‐Gill (WCPMG) NMR experiment. (27)Al chemical shifts and quadrupole tensor components offer a facile and clear distinction between three‐ and four‐coordinate aluminum environments. …”
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  20. 1140
    por Kabra, Ashish, Rumpa, Efsita, Li, Ying
    Publicado 2022
    “…We have previously characterized the conformational dynamics of deubiquitinase A (DUBA), an isopeptidase, on the microsecond-to-millisecond (μs–ms) time scales with the amide (1)H Carr–Purcell–Meiboom–Gill (CPMG) experiment. We detected a global conformational exchange process on a time scale of approximately 200 μs, which involves most of the structural elements in DUBA, including the active site and the substrate binding interface. …”
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