Showing 1,101 - 1,118 results of 1,118 for search '"Photonics"', query time: 0.05s Refine Results
  1. 1101
  2. 1102

    Preparation and characterization of graphene oxide-based cation, chelating, and anion exchangers for salt removal by Mahmoud A. Al Azwani, Saleh Al Busafi, El-Said I. El-Shafey

    Published 2025-02-01
    “…Energy dispersive spectroscopy (EDS) showed the presence of nitrogen in GOP, GOQ, and GOT; and sulfur on GOT. X-ray photon spectroscopy (XPS) showed the presence of -SO3 and S-O on GOT, amine on GOP, and quaternary ammonium group (-NHR2+) on GOQ. …”
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  3. 1103

    Biotemplated Synthesis of Titanium Oxide Nanoparticles in the Presence of Root Extract of Kniphofia schemperi and Its Application for Dye Sensitized Solar Cells by Eneyew Tilahun Bekele, Enyew Amare Zereffa, Noto Susanto Gultom, Dong-Hau Kuo, Bedasa Abdisa Gonfa, Fedlu Kedir Sabir

    Published 2021-01-01
    “…Solar cell devices were fabricated using roots of Kniphofia schemperi sensitizer in the presence of TiO2 NPs biosynthesized within (2 : 3, 1 : 1, and 3 : 2) volume ratio, which showed power conversion efficiency of 0.039%, 0.117%, and 1.3%. Incident photon to current conversion efficiency (IPCE) analysis using TiO2 (2 : 3, 1 : 1, and 3 : 2) photoelectrodes showed 6.64%, 2.66%, and 18%. …”
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  4. 1104

    Advancements in noninvasive techniques for transplant rejection: from biomarker detection to molecular imaging by Yuan Song, Yihui Wang, Wenyuan Wang, Yuji Xie, Junmin Zhang, Jing Liu, Qiaofeng Jin, Wenqian Wu, He Li, Jing Wang, Li Zhang, Yali Yang, Tang Gao, Mingxing Xie

    Published 2025-02-01
    “…Nuclear imaging modalities such as single photon emission computed tomography and positron emission tomography, enable dynamic visualization of immune responses within transplanted organs. …”
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  5. 1105

    Construction and characterization of bioluminescent Salmonella Reading outbreak and non-outbreak strains by Abubakar Shitu Isah, Reshma Ramachandran, Anuraj Theradiyil Sukumaran, Aaron S. Kiess, Claudia D. Castañeda, Timothy Boltz, Kenneth S. Macklin, Hossam Abdelhamed, Li Zhang

    Published 2025-02-01
    “…These strains demonstrated a high bioluminescence level (108–109 Photons/s/cm2/sr) and were tested for growth and plasmid stability by daily subculturing in Luria–Bertani medium with and without antibiotics. …”
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  6. 1106

    Enhanced radiation shielding via incorporating europium oxide in 316L stainless steel: Synthesis, physical, microstructural, shielding, and mechanical properties by H.O. Tekin, Nihal Yayla, M.Gökhan Albayrak, Ömer Güler, Duygu Sen Baykal, Hessa Alkarrani, Ghada ALMisned

    Published 2025-01-01
    “…Transmission factors (TFs) were evaluated using PHITS simulations for photon energies of 0.662 MeV, 1.1732 MeV, and 1.3325 MeV. …”
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  7. 1107

    Improving timing resolution of BGO for TOF-PET: a comparative analysis with and without deep learning by Francis Loignon-Houle, Nicolaus Kratochwil, Maxime Toussaint, Carsten Lowis, Gerard Ariño-Estrada, Antonio J. Gonzalez, Etiennette Auffray, Roger Lecomte

    Published 2025-01-01
    “…Abstract Background The renewed interest in BGO scintillators for TOF-PET is driven by the improved Cherenkov photon detection with new blue-sensitive SiPMs. However, the slower scintillation light from BGO causes significant time walk with leading edge discrimination (LED), which degrades the coincidence time resolution (CTR). …”
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  8. 1108

    Microbial Decontamination of Onion by Corona Discharge Air Plasma during Cold Storage by Eun Ha Chang, Yeoung Seuk Bae, Il Sheob Shin, Hyun Jin Choi, Ji Hyun Lee, Ji Weon Choi

    Published 2018-01-01
    “…Corona discharge air plasma (CDAP) is a nonthermal decontamination technology which is generating antimicrobial agents such as photons, electrons, positively and negatively charged ions, atoms, and free radicals. …”
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  9. 1109

    Roadmap for Designing Donor-<inline-formula><math display="inline"><semantics><mrow><mi mathvariant="bold-sans-serif">π</mi></mrow></semantics></math></inline-formula>-Acceptor Flu... by Guliz Ersoy, Maged Henary

    Published 2025-01-01
    “…D-<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi mathvariant="sans-serif">π</mi></mrow></semantics></math></inline-formula>-A fluorophores with carboxylic acid and cyano groups are preferred in photovoltaic applications, and fluorophores with large surface area are used for two photon absorbing applications. Herein, we report the synthesis, optical properties, and applications of various D-<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi mathvariant="sans-serif">π</mi></mrow></semantics></math></inline-formula>-A fluorophores in UV-vis and NIR region.…”
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  10. 1110

    The Multimessenger Contribution of Ultra-High-Energy Cosmic Rays from Gamma-Ray Bursts by Zhenjiang Li, Fangsheng Min, Yi Jin, Yiqing Guo

    Published 2025-01-01
    “…The high-energy diffuse neutrinos and gamma rays resulting from interactions between UHECRs from GRBs and extragalactic background photons do not dominate the observations of Fermi-LAT or IceCube.…”
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  11. 1111
  12. 1112

    Green approach to synthesis polymer composites based on chitosan with desired linear and non-linear optical characteristics by Dyari M. Mamand, Sarkawt A. Hussen, Shujahadeen B. Aziz

    Published 2025-01-01
    “…The absorption edge of the composite’s films shifted to lower photon energies. Various models were used to determine the optical band gap. …”
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  13. 1113

    Impairment of myocardial perfusion correlates with heart failure severity in patients with non‐compaction cardiomyopathy by Andraz Cerar, Martina Jaklic, Sabina Frljak, Gregor Poglajen, Gregor Zemljic, Barbara Guzic Salobir, Maja Dolenc Novak, Monika Stalc, Rok Zbacnik, Mirta Kozelj

    Published 2020-06-01
    “…At the same time, serum levels of N‐terminal pro‐B‐type natriuretic peptide (NT‐proBNP) have been measured, and myocardial single‐photon emission computed tomography at rest and on stress was used to define significant myocardial ischemia defined as summed difference score ≥ 2. …”
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  14. 1114

    Energy Transfer of Electronic Excitations by Activators in Phosphates and Sulfates via the Creation of Combined Electron Emission States by Aibek S. Nurpeissov, Temirulan T. Alibay, Turlybek Nurakhmetov, Aivaras Kareiva, Aleksej Zarkov, Sapargali Pazylbek

    Published 2024-12-01
    “…Radiative states are excited by photon energies of ~4.5 eV and ~4.0 eV, resulting in recombination emissions at 3.06–3.1 eV and 2.92–2.95 eV, as well as activator emissions at 2.06 eV for <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msup><mrow><mi>M</mi><mi>n</mi></mrow><mrow><mn>2</mn><mo>+</mo></mrow></msup></mrow></semantics></math></inline-formula>, 2.5 eV for <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msup><mrow><mi>T</mi><mi>b</mi></mrow><mrow><mn>3</mn><mo>+</mo></mrow></msup></mrow></semantics></math></inline-formula>, and 2.56 eV and 2.16 eV for <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msup><mrow><mi>D</mi><mi>y</mi></mrow><mrow><mn>3</mn><mo>+</mo></mrow></msup></mrow></semantics></math></inline-formula>. …”
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