Showing 201 - 220 results of 536 for search 'detection diffraction', query time: 0.13s Refine Results
  1. 201

    Sensitive electrochemical analysis of uricosuric drug sulfinpyrazone using a graphene-based sensor: A first voltammetric approach by J.G. Suma, Yuvarajgouda N. Patil, Manjunath B. Megalamani, S.K. Rajappa, Sharanappa T. Nandibewoor

    Published 2025-04-01
    “…Various characterization techniques, such as X-ray diffraction (XRD), scanning electron microscopy (SEM) with energy dispersive X-ray diffraction spectrum (EDS), Fourier Transform Infrared Spectroscopy (FTIR) and electron impedance spectroscopy (EIS), were utilized to analyse the electrode modifier. …”
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  2. 202

    Fabrication of ZnO Thin Films Doped with Na at Different Percentages for Sensing CO<sub>2</sub> in Small Quantities at Room Temperature by Marina Stramarkou, Achilleas Bardakas, Magdalini Krokida, Christos Tsamis

    Published 2025-04-01
    “…ZnO nanostructures are known for their ability to detect organic gases; however, their effectiveness is limited to high temperatures (greater than 200 °C). …”
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  3. 203

    MoS<sub>2</sub>/MWCNT Nanostructure: Enhanced Performance of Screen-Printed Carbon Electrode for Voltammetric Determination of 4-Nitrophenol in Water Samples by Hadi Beitollahi, Somayeh Tajik

    Published 2025-03-01
    “…The MoS<sub>2</sub>/MWCNTs/SPCE exhibited outstanding electro-catalytic activity for the voltammetric detection of 4-NP. Under optimized conditions, the reduction peak current showed a linear dependence with the concentration of 4-NP in the range of 0.05 to 800.0 µM, and a detection limit (LOD) of 0.01 µM was determined. …”
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  4. 204

    Investigation on electrochemical properties of chromium oxide nanoparticles for non-enzymatic glucose sensing application by Rashmita Panda, Shakti Prasad Mishra, Bhagaban Kisan, Kusha K. Naik

    Published 2025-07-01
    “…This article focused on development of an innovative glucose sensing platform utilizing Cr2O3 nanoparticles, presenting promising sensing parameters for non-enzymatic glucose detection. The synthesis of Cr2O3 nanoparticles is executed by a facile hydrothermal approach and their glucose sensing performance is investigated intensively. …”
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  5. 205

    Terahertz Imaging and Sensing for Healthcare: Current Status and Future Perspectives by Mavis Gezimati, Ghanshyam Singh

    Published 2023-01-01
    “…Firstly, we provide an overview of the THz imaging and sensing techniques that exploit properties of THz generation and detection with emphasis on terahertz time domain spectroscopy (THz-TDS) and THz Metamaterials. …”
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  6. 206

    Analysis of Brucine using Poly(L-Arginine) modified biosynthesized CuO nanoparticle composite sensor by Sumanth Devaraj, Jamballi G. Manjunatha, Samar A. Aldossari, Saikh Mohammad, Narges Ataollahi

    Published 2024-12-01
    “…PAMCuONPs/CPE showed an optimum reversible redox-peak at 0.2 M phosphate buffer solution (PBS) at pH 2.5, allowing detection of BC. The characterization of PAMCuONPs/CPE and bare CuONPs composite carbon paste electrode (BCuONPs/CPE) was performed using scanning-electron microscopy (SEM), X-ray diffraction (XRD), and energy-dispersive spectroscopy (EDS). …”
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  7. 207

    Utility of unique optical properties of Anethum graveolens green synthesized mediated-alumina nanoparticles for spectrofluorometric determination of darifenacin in pharmaceutical p... by Seham S. Alterary, Gamal A. E. Mostafa, Maha F. El-Tohamy, Haitham AlRabiah

    Published 2025-05-01
    “…DFN interacts with the NPs, enhancing fluorescence emission and allowing sensitive detection at λex/λem (290/400 nm). The method quantifies DFN over a concentration range of 0.1–10 µg/mL, with a limit of detection of 0.013 µg/mL and a limit of quantification of 0.043 µg/mL. …”
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  8. 208

    Preparation of TiO2 Nanotube Using Anodization Method: Charactherization and Its Application for CO Sensor by Harry Budiman, Rahmat Wibowo, Oman Zuas, Jarnuzi Gunlazuardi

    Published 2021-12-01
    “…The fabricated HOTNAs were evaluated for their sensing properties for CO detection.  The results show that the fabricated HOTNAs were able to detect 2500 ppm of CO gas with response about 93,429 at operation temperature 150 </span><span lang="IN">°</span><span lang="IN">C. …”
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  9. 209

    Evaluation Methods for Stability and Analysis of Underlying Causes of Instability in Form I Atorvastatin Calcium Drug Substance by Bo Chen, Zhilong Tang, Zhenxing Zhu, Yang Xiao, Guangyao Mei, Xingchu Gong

    Published 2025-07-01
    “…Stability assessments of drug substances and the detection of crystalline forms are critical for ensuring drug quality and medication safety. …”
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  10. 210

    Sub-ppb H<sub>2</sub>S Sensing with Screen-Printed Porous ZnO/SnO<sub>2</sub> Nanocomposite by Mehdi Akbari-Saatlu, Masoumeh Heidari, Claes Mattsson, Renyun Zhang, Göran Thungström

    Published 2024-10-01
    “…This study presents the development of porous ZnO/SnO<sub>2</sub>-nanocomposite gas sensors tailored for the ultrasensitive detection of H<sub>2</sub>S at sub-ppb levels. Utilizing a screen-printing method, we fabricated five different sensor compositions—ranging from pure SnO<sub>2</sub> to pure ZnO—and characterized their structural and morphological properties through X-ray diffraction (XRD) and scanning electron microscopy (SEM). …”
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  11. 211

    Synthesis and Characterization of Ag2S Layers Formed on Polypropylene by Valentina Krylova, Nijolė Dukštienė

    Published 2013-01-01
    “…The Ag2S layer on polypropylene was characterized as an Ag+ ion selective electrode in terms of potential response and detection limit. The electrode was also tested as an end-point electrode for argentometric titration of thiamine hydrochloride.…”
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  12. 212

    Synthesis of Modified Magnetic Graphene Oxide with Mesoporous Silica for Extraction of the Pharmaceutical Compound Quercetin by Delnia Heidari, Soleiman Bahar

    Published 2023-01-01
    “…The sorbent produced was characterized by Fourier transform infrared (FTIR), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDAX), X-ray diffraction (XRD), vibrating sample magnetometry (VSM), and X-ray photoelectron spectroscopy (XPS). …”
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  13. 213

    Stimulated Raman Scattering with Optical Vortex Beams by Minhaeng Cho

    Published 2025-07-01
    “…SRS microscopy, particularly with label‐free imaging capability, has become crucial in bioimaging; however, its spatial resolution remains limited by the diffraction limit, driving interest in super‐resolution techniques with structured light. …”
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  14. 214

    Hong–Ou–Mandel Interference on an Acousto-Optical Beam Splitter by Piotr Kwiek

    Published 2025-06-01
    “…It should be emphasized that there are no states <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mfenced open="|" close="|" separators="|"><mrow><msub><mrow><mfenced open="" close="⟩" separators="|"><mrow><mn>1</mn></mrow></mfenced></mrow><mrow><mn>1</mn></mrow></msub></mrow></mfenced><msub><mrow><mfenced open="" close="⟩" separators="|"><mrow><mn>1</mn></mrow></mfenced></mrow><mrow><mn>2</mn></mrow></msub></mrow></semantics></math></inline-formula> in the outputs (diffraction orders), which disappear as a result of Hong–Ou–Mandel interference; consequently, the probability of detecting coincidences of photons between the plus first and minus first diffraction orders is zero, as it occurs in the Hong–Ou–Mandel interferometer. …”
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  15. 215

    Investigation of drinking water quality from the individual wells from the Dubravica village in Braničevo district by Miloš B. Rajković, Mirjana Stojanović, Slađana Milojković

    Published 2015-06-01
    “…The results of heavy metals contents showed that the indirect method is more precise and more reliable because it can detect the concentration of heavy metals (in the examined samples of Cd and Pb) that are below the threshold of detection by classical methods of water analysis. …”
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  16. 216

    Octacalcium phosphate with incorporated carboxylate ions: a review by Taishi Yokoi, Masaya Shimabukuro, Masakazu Kawashita

    Published 2022-12-01
    “…Representative characterization methods, i.e. X-ray diffraction and Fourier transform infrared spectroscopy, used for the detection of carboxylate ion incorporation into the OCP interlayers are explained. …”
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  17. 217

    A new conjugated polymer with donor-acceptor architectures based on alternating 1,4-divinyl-2,5-dioctyloxybenzene and 5,8-(2,3-dipyridyl)-quinoxaline: Synthesis, characterization,... by S. J. Chen, Q. Y. Zhang, J. W. Gu, M. L. Ma, L. Zhang, J. Zhou, Y. Y. Zhou

    Published 2012-06-01
    “…The resulting polymer had a lower band-gap (1.98 eV) compared to poly[2-methoxy-5-(2-ethyl)hexoxy-phenylenevinylene] (MEH-PPV, 2.12 eV), and was characterized by infrared spectroscopy (IR), nuclear magnetic resonance (NMR), thermogravimetric analysis (TGA), gel permeation chromatography (GPC), ultraviolet-visible (UV-vis) spectroscopy, photoluminescence (PL) spectroscopy and X-ray diffraction (XRD). Its photoinduced charge transfer applications in polymer solar cell (PSC) and trinitrotoluene (TNT) detection were studied respectively, and the results indicated that this polymer might be a good candidate material for PSC or detecting TNT in solution.…”
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  18. 218

    CO<sub>2</sub> Interaction Mechanism of SnO<sub>2</sub>-Based Sensors with Respect to the Pt Interdigital Electrodes Gap by Adelina Stanoiu, Alexandra Corina Iacoban, Catalina Gabriela Mihalcea, Ion Viorel Dinu, Ovidiu Gabriel Florea, Ioana Dorina Vlaicu, Cristian Eugen Simion

    Published 2024-11-01
    “…X-ray diffraction, low-magnification and high-resolution transmission electron microscopy, and electrical and contact potential difference investigations were employed to understand the sensing mechanism involved in CO<sub>2</sub> detection. …”
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  19. 219

    Multi-metal oxide/N-doped reduced graphene oxide modified electrode for ultrasensitive determination of phenobarbital by Seyed Saman Nemati, Gholamreza Dehghan, Simin Khataee, Zohreh Shaghaghi

    Published 2025-02-01
    “…Hence, the proposed platform has the potential to serve as a promising model for PB detection.…”
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  20. 220

    ADVANCEMENTS AND EMERGING PERSPECTIVES IN MICROSCOPIC IMAGING

    Published 2025-08-01
    “…These platforms have been enhanced by the Airyscan detection, STED, PALM, and STORM, to overcome the diffraction limit and enable nanoscale imaging1. …”
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