Showing 221 - 240 results of 536 for search 'detection diffraction', query time: 0.10s Refine Results
  1. 221

    High-Performance Guided Mode Resonance Optofluidic Sensor by Liang Guo, Lei Xu, Liying Liu

    Published 2025-07-01
    “…Theoretical calculations revealed that when light incidents on the grating and excites the negative first-order diffraction order, by increasing the waveguide thickness, both a high sensitivity and high figure of merit (FOM) can be obtained. …”
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    Article
  2. 222

    Label-free determination of hemodynamic parameters in the microcirculaton with third harmonic generation microscopy. by Steffen Dietzel, Joachim Pircher, A Katharina Nekolla, Mazhar Gull, André W Brändli, Ulrich Pohl, Markus Rehberg

    Published 2014-01-01
    “…THG microscopy is compatible with simultaneous two-photon excited fluorescence detection. It thus also provides the opportunity to determine important hemodynamic parameters in parallel to common fluorescent observations without additional label.…”
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  3. 223

    One-Step Synthesis of High-Quality Water-Soluble CdSe Quantum Dots Capped by N-Acetyl-L-cysteine via Hydrothermal Method and Their Characterization by Chunjin Wei, Jinyu Li, Fang Gao, Shuxia Guo, Yongcui Zhou, Dan Zhao

    Published 2015-01-01
    “…In particular, we realized qualitative and semiquantitative studies on CdSe QDs through X-ray photoelectron spectroscopy and electron diffraction spectroscopy. The results show that the as-prepared CdSe QDs exhibit a high quantum yield (up to 26.7%), high stability, and monodispersity and might be widely used in biochemical detection and biochemical research.…”
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  4. 224

    Graphene-Multiwalled Carbon Nanotube Hybrids Synthesized by Gamma Radiations: Application as a Glucose Sensor by Leila Shahriary, Hedayatollah Ghourchian, Anjali A. Athawale

    Published 2014-01-01
    “…The products were characterized by fourier transform infrared (FTIR), ultraviolet-visible (UV-Vis), photoluminescence (PL), and micro-Raman spectroscopy, X-ray diffraction analysis (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). …”
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  5. 225

    Analysis of Copper and Lead in Aerosols with Laser-Induced Breakdown Spectroscopy by Daniel Diaz, Alejandra Carreon, David W. Hahn

    Published 2024-11-01
    “…Highly linear calibration curves (R<sup>2</sup> = 0.995 for Cu and R<sup>2</sup> = 0.987 for Pb) and acceptable limits of detection (2 ppb for Cu and 9 ppb for Pb) and quantification (5 ppb and 28 ppb) were obtained. …”
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  6. 226

    Further investigation on microstructure refinement of internal crack initiation region in VHCF regime of high-strength steels by Yukun Chang, Liang Zheng, Xiangnan Pan, Youshi Hong

    Published 2019-07-01
    “…The profile samples prepared by focused ion beam (FIB) in crack initiation region (CIR) and fish-eye (FiE) region of failed specimens subjected to rotary bending (RB) and ultrasonic axial (UL) fatigue testing with various stress ratios (R) were observed by transmission electron microscopy (TEM) with selected area electron diffraction (SAD) detection for two high-strength steels. …”
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  7. 227

    Electrochemical determination of clenbuterol with differential pulse voltammetry technique at carbon dots-based rice straw-modified electrode by Mai Nguyen Do, Van Hop Nguyen, Le My Linh Nguyen, Thanh Tam Toan Tran

    Published 2024-12-01
    “…The obtained material was examined by using techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), and nitrogen adsorption/desorption isotherms. …”
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  8. 228

    Synthesis and Voltammetric Determination of Pb(II) Using a ZIF-8-Based Electrode by Dinh Quang Khieu, Mai Thi Thanh, Tran Vinh Thien, Nguyen Hai Phong, Duc Hoang Van, Pham Dinh Du, Nguyen Phi Hung

    Published 2018-01-01
    “…The repeatability, reproducibility, accuracy, linear range, limit of detection, and limit of quantitation were also addressed. …”
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  9. 229

    Carbon Nanomaterial Manufacturing System and Automatic Synthesis Equipment and Its Control Device and Control Methods by Gaoxiang Lou, Zongyan Cai

    Published 2020-01-01
    “…In recent years, people are committed to developing new technologies and technologies for energy storage and conversion, environmental detection, high-performance sensors and energy security, and other aspects of the increasingly prominent problems in the field of environmental and biosafety. …”
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  10. 230

    A novel 2D nickel coordination polymer based on Trimesic acid with glyphosate coordination capabilities by João M. R. Gonçalves, Ademar Wong, Pedro H. O. Santiago, Guilherme Arroyos, Augusto H. Piva, Javier A. Ellena, Benedito S. Lima-Neto, Regina C. G. Frem

    Published 2025-02-01
    “…This coordination capability was demonstrated by Powder X-ray Diffraction (PXRD) and Infrared Spectroscopy (FTIR), along with electrochemical techniques such as Cyclic Voltammetry (CV) and Square Wave Voltammetry (SWV), thus confirming glyphosate coordination in Ni-BTC, with potential applications in detection and removal systems. …”
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    Article
  11. 231

    Photocatalytic degradation of methylene blue dye with biosynthesized Hematite α-Fe2O3 nanoparticles under UV-Irradiation by Mohamed Bilal Goudjil, Halima Dali, Souad Zighmi, Zineb Mahcene, Salah Eddine Bencheikh

    Published 2024-01-01
    “…X-ray diffraction analysis confirmed the crystalline nature of the α-Fe2O3 NPs, with a crystallite size ranging from 16.92 to 35.38 nm. …”
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  12. 232

    Unveiling the room-temperature chemiresistive NH3 adsorption capability of NiO doped PPy nanocomposite with DFT interpretations by Ratindra Gautam, Shivani Chaudhary, Vivek Kumar Nautiyal, Bal Chandra Yadav, Utkarsh Kumar

    Published 2025-01-01
    “…This study demonstrates the potential of NiO-doped PPy nanoparticles as highly responsive and selective ammonia gas sensors, providing rapid detection and reliable performance at room temperature.…”
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  13. 233

    A Strain-Compensated InGaAs/InGaSb Type-II Superlattice Grown on InAs Substrates for Long-Wavelength Infrared Photodetectors by Hao Zhou, Chang Liu, Yiqiao Chen

    Published 2025-07-01
    “…These results demonstrate the viability of this material system for long-wavelength infrared detection applications.…”
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  14. 234

    A Novel Non-Enzymatic Efficient H<sub>2</sub>O<sub>2</sub> Sensor Utilizing δ-FeOOH and Prussian Blue Anchoring on Carbon Felt Electrode by Karoline S. Nantes, Ana L. H. K. Ferreira, Marcio C. Pereira, Francisco G. E. Nogueira, André S. Afonso

    Published 2024-09-01
    “…The synergy of δ-FeOOH and PB coupled to CF increases electrocatalytic activity toward H<sub>2</sub>O<sub>2,</sub> with the sensor showing a linear range of 1.2 to 300 μM and a limit of detection of 0.36 μM. Notably, the CF/PB-FeOOH electrode exhibited excellent selectivity for H<sub>2</sub>O<sub>2</sub> detection in the presence of dopamine (DA), uric acid (UA), and ascorbic acid (AA). …”
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  15. 235

    Perfect anomalous refraction metasurfaces empowered half-space optical beam scanning by Tao He, Dongdong Li, Chengfeng Li, Haigang Liang, Chao Feng, Jingyuan Zhu, Lingyun Xie, Siyu Dong, Yuzhi Shi, Xiong Dun, Zeyong Wei, Zhanshan Wang, Xinbin Cheng

    Published 2025-04-01
    “…Our results open new avenues for high-efficiency metasurfaces and advances applications in light detection and ranging systems.…”
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    Article
  16. 236

    The Application of Green-Synthesis-Derived Carbon Quantum Dots to Bioimaging and the Analysis of Mercury(II) by Qianchun Zhang, Xiaolan Zhang, Linchun Bao, Yun Wu, Li Jiang, Yuguo Zheng, Yuan Wang, Yafei Chen

    Published 2019-01-01
    “…Moreover, owing to the experimental observation that Hg2+ quenches the fluorescence of the CQDs in a specific and sensitive manner, we developed a method for the detection of Hg2+ using this fluorescence sensor. The sensor exhibited a linear range for Hg2+ of 0.50–20 μM, with an excellent coefficient of determination (R2 = 0.9966) and limit of detection (12.4 nM). …”
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  17. 237

    Highly ordered polyaniline as an efficient dye remover by Pinki Chakraborty, Aman Kothari, Rajamani Nagarajan

    Published 2018-02-01
    “…No significant difference in the crystallinity and/or ordering was noticed in the powder X-ray diffraction pattern after dye adsorption. The correlation between the ordered structure of polyaniline and its higher adsorption property derived in the current study has the potential to fabricate devices consisting polyaniline to detect dye molecules.…”
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  18. 238

    Electrochemical Determination of Sildenafil Using Ni/UiO-66-Modified Electrode by Le Huu Trinh, Nguyen Van Hien, Nguyen Quang Man, Dinh Quang Khieu

    Published 2025-01-01
    “…The present article utilized a voltammetric sensor based on a metal-organic framework from the University of Oslo −66/nickel (Ni/UiO-66) to determine sildenafil (SIL). X-ray diffraction, scanning electron microscopy, and electrochemical techniques were employed to characterize various physicochemical properties of Ni/UiO-66. …”
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  19. 239

    Ultrafast signatures of merocyanine overcoming steric impedance in crystalline spiropyran by Khalid M. Siddiqui, Simon F. Bittmann, Stuart A. Hayes, Kamil M. Krawczyk, Antoine Sarracini, Gastón Corthey, Raison Dsouza, R. J. Dwayne Miller

    Published 2024-12-01
    “…Here, we report the detection of spectroscopic signatures of merocyanine due to photoisomerisation within crystalline spiropyran following 266 nm excitation. …”
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  20. 240

    Electrochemical sensing platform based on Ag-Fe metal–organic framework for electrocatalytic determination of Atorvastatin by Fatemeh Naji Siyahmazgi, Karim Asadpour-Zeynali

    Published 2025-01-01
    “…The sensor was developed using a straightforward synthesis technique to detect Atorvastatin. The synthesized metal–organic framework was characterized through the use of various analytical techniques, including Fourier-transform infrared spectroscopy (FT-IR), field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX), element map, and electrochemical techniques. …”
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