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1701
Improving Gamma Ray Shielding Behaviors of Polypropylene Using PbO Nanoparticles: An Experimental Study
Published 2022-05-01“…The experimental linear attenuation coefficient (LAC) was determined using a NaI scintillation detector, the experimental results were compared with NIST-XCOM results, and a good agreement was noticed. …”
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1702
Ten springs of experiments in CROCUS
Published 2023-01-01“…Last but not least, developments in dosimetry as well as for a novel miniature neutron scintillation technology (MiMi detectors) allowed for interand intrapin (NECTAR) neutron measurements. 160 MiMi detectors have recently been distributed throughout the CROCUS core in a unique 3D detector array called SAFFRON, paving the way for novel high-resolution neutronics.…”
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1703
Fractionation of technogenic radionuclides species in water bodies of Semipalatinsk test site
Published 2018-06-01“…The content of radioactive isotopes was determined by radiochemical separation methods with the preparation of a counting sample for alpha spectrometry of 239-240 Pu, liquid-scintillation beta spectrometry of 90 Sr, and highly sensitive gamma spectrometry with a well type hidh-purity germanium semiconductor detector after preconcentration for 137 Cs and 241 Am. …”
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1704
Probing the Universe with Fast Radio Bursts
Published 2021-04-01“…FRBs are the only known extragalactic sources that are compact enough to exhibit diffractive scintillation in addition to showing exponential tails which are typical of scattering in turbulent media. …”
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1705
A miniaturized mode-of-action profiling platform enables high throughput characterization of the molecular and cellular dynamics of EZH2 inhibition
Published 2024-01-01“…Here we established high throughput screening methods based on time-resolved fluorescence energy transfer, scintillation proximity and high content analysis microscopy to quantify the biochemical and cellular binding of a chemically diverse collection of EZH2 inhibitors. …”
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1706
Anchors in a Globalizing World
Published 2016-10-01“…It is the cosmic, scintillating image on the cover, he tells us, that captures his vision. …”
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1707
Enhanced thermoluminescence, radioluminescence, and optically stimulated luminescence from lithium fluoride and silver nanoparticles composites
Published 2024-02-01“…We also investigated their thermoluminescence (TL) and radioluminescence/scintillation (RL) responses. X-ray diffraction (XRD), transmission electron microscopy (TEM) and UV–vis spectroscopy characterized the synthesized materials. …”
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1708
Analytical Methods for the Determination of <sup>90</sup>Sr and <sup>239,240</sup>Pu in Environmental Samples
Published 2022-03-01“…Radiometric methods, including alpha spectroscopy, liquid scintillation spectrometry, etc., are commonly used methods for measuring <sup>239+240</sup>Pu and <sup>90</sup>Sr. …”
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1709
Adipocytes express tissue factor and FVII and are procoagulant in a TF/FVIIa-dependent manner
Published 2019-07-01“…Glucose uptake was evaluated by scintillation counting of D-[U-14C] glucose. Results: In isolated human primary adipocytes we found expression of TF and FVII. …”
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1710
COSMIC-2 Mission Summary at Three Years in Orbit
Published 2022-09-01“…New ionosphere products specifying the presence and absence of scintillation are under development and planned for future release.…”
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1711
Fractionation of technogenic radionuclides species in water bodies of Semipalatinsk test site
Published 2018-06-01“…The content of radioactive isotopes was determined by radiochemical separation methods with the preparation of a counting sample for alpha spectrometry of 239-240 Pu, liquid-scintillation beta spectrometry of 90 Sr, and highly sensitive gamma spectrometry with a well type hidh-purity germanium semiconductor detector after preconcentration for 137 Cs and 241 Am. …”
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1712
Oral and dermal exposure to natural radionuclides and heavy metals in water and sediments of Nile River, Qena, southern Egypt
Published 2023-12-01“…Abstract This study assessed the levels of natural radionuclides (226Ra, 232Th, and 40K) and heavy metals (Hg, Fe, Cr, As, Zn, Cu, Cd, and Pb) in surface water and sediment samples from the Nile River in Qena Governorate, southern Egypt, using a gamma-ray spectrometer, 3ʺ NaI (Tl) scintillation detector coupled with 1024 multi-channel analyzer, and an atomic absorption spectrometer. …”
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1713
Exploring the physics of cesium lead halide perovskite quantum dots via Bayesian inference of the photoluminescence spectra in automated experiment
Published 2021-03-01“…The unique optoelectronic properties of metal halide perovskite quantum dots (QDs) make them promising candidates for applications in light-emitting diodes (LEDs), scintillators, and other photonic devices. The automated micropipetting synthesis platform equipped with an optical reader enables the opportunity for high throughput synthesis and photoluminescent (PL) characterization of metal halide perovskite QDs for the first time. …”
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1714
EVALUATION OF DIGITAL DETECTOR ARRAYS SYSTEMS FOR INDUSTRIAL RADIOGRAPHY
Published 2019-02-01“…The purpose of this work was evaluate the radiographic performance achieved using both techniques in two DDA systems manufactured by GEIT: DXR250P and DXR250V, which have thallium-doped cesium iodide (CsI:Tl) and terbium-doped gadolinium oxysulfide (Gd2O2S:Tb - GOS) scintillators, respectively. For this purpose, it was used an X-ray equipment as radiation source. …”
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1715
Determination of the activity concentration of 226Ra, 232Th, 40K and the concentration of 222Rn in soil samples of the Campos Gerais region (Paraná)
Published 2021-04-01“…Gamma-ray spectrometry analyzes were performed with a NaI(Tl) scintillation detector, with dimensions of 76 mm in diameter, 152 mm in height and 8 cm of lead shield. …”
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1716
Analysis of tritium activity concentrations in urine and internal dose assessment for nuclear power plant workers
Published 2021-03-01“…The oxidative distillation method was used to pretreat the urine samples, and the activity concentration of tritium in distillate was then measured using liquid scintillation counter. The formula for the committed effective dose was also applied used to estimate the internal doses. …”
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1717
Design and Evaluation of LYSO/SiPM LIGHTENING PET Detector with DTI Sampling Method
Published 2020-10-01“…A novel sampling method, referred to as the dual time interval (DTI) method, is therefore proposed to realize digital acquisition of fast scintillation pulse. A semi-cut light guide was designed, which greatly improves the resolution of the edge region of the crystal array. …”
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1718
Development of the ionisation signal analysis and the thermometry system for the LUX-ZEPLIN direct dark matter detection experiment
Published 2021“…The LUX-ZEPLIN (LZ) detector is searching for WIMP interactions with xenon nuclei, through both scintillation and ionisation signals. It comprises a time-projection chamber filled with 7 tonnes of liquid xenon, situated at the Sanford Underground Research Facility in South Dakota.…”
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1719
PMT studies and loop antenna development for the LZ dark matter experiment
Published 2019“…A dark matter particle would scatter of a xenon nucleus, which causes scintillation and electroluminescence light signals. …”
Thesis -
1720
Free-space optical communications with retro-reflecting acquisition and turbulence compensation
Published 2009“…Analysis of the phase distortion due to turbulence is performed and a wavefront sensorless turbulence compensation method based on the FLC SLM gives significant reduction in calculated bit error rates. New scintillation index derivation for multiple optical beams is described and then used to demonstrate further decrease in bit error rates.…”
Thesis