Showing 461 - 480 results of 19,727 for search 'sample three detection', query time: 0.33s Refine Results
  1. 461

    3D Pulse Image Detection and Pulse Pattern Recognition Based on Subtle Motion Magnification Technology by Chongyang YAO, Yongxin CHOU, Zhiwei LIANG, Haiping YANG, Jicheng LIU, Dongmei LIN

    Published 2025-05-01
    “…Then, the phase motion video magnification algorithm is used to amplify the original signals, and the amplified signals are reconstructed in three dimensions to obtain 3D pulse signals. On this basis, nine features are extracted from the 3D pulse signals and features selection is performed using a two-sample Kolmogorov-Smirnov test. …”
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  2. 462

    Portable immuno nano biosensor for multiple disease detection using 3D printed SPR technologies by Aparanji Poosarla, Jagannadha Rao Mokka, Kolla Venkata Atchuta Rao, Mano Pardhavi Dasari

    Published 2023-01-01
    “…The sensor showed the highest sensitivity at 50X concentration of antigen and least at 10x concentration stating maximum and minimum values for a limit of detection. This device using this principle could has wide functionalities to detect multiple biological samples by changing the antibodies to our respective analyte over the reaction chip for multiple times with low cost.…”
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  3. 463

    A Ratiometric Fluorescence Method Based on PCN-224-DABA for the Detection of Se(IV) and Fe(III) by Mao-Ling Luo, Guo-Ying Chen, Wen-Jia Li, Jia-Xin Li, Tong-Qing Chai, Zheng-Ming Qian, Feng-Qing Yang

    Published 2024-12-01
    “…In this study, 3,4-diaminobenzoic acid (DABA) was introduced into the porphyrin metal–organic framework (PCN-224) for the first time to prepare a ratiometric fluorescent probe (PCN-224-DABA) to quantitatively detect ferric iron (Fe(III)) and selenium (IV) (Se(IV)). …”
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    Room-temperature upcycling of agricultural waste to carbon dots and its application as a selective fluorescence nanoprobe for iron (III) analysis in diverse samples by Heba M. Hashem, Mahmoud El-Maghrabey, Hadir Borg, Galal Magdy, Fathalla Belal, Rania El-Shaheny

    Published 2025-12-01
    “…Based on the selective quenching of the synthesized C-dots fluorescence by Fe3+, a new fast and green fluorescence probe has been validated for the determination of Fe3+over the concentration range of 1.0–400.0 µM with a detection limit of 0.2 µM (11.2 ppb). …”
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  7. 467

    Sampling and Comparison of Extraction Techniques Coupled with Gas Chromatography–Mass Spectrometry (GC-MS) for the Analysis of Substrates Exposed to Explosives by Himanshi Upadhyaya, Alexis J. Hecker, John V. Goodpaster

    Published 2024-11-01
    “…Explosive-detecting canines (EDCs) show high sensitivity in detecting explosives that they are trained to detect. …”
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  8. 468

    Fluorescence sensor based on glutathione capped CdTe QDs for detection of Cr3+ ions in vitamins by Chi-Fang Peng, Ying-Ying Zhang, Zhi-Juan Qian, Zheng-Jun Xie

    Published 2018-03-01
    “…Under optimal conditions, linear quenching was observed for Cr3+ in the ranges of 0–2.0 μM and the limit of detection was 3.0 nM. …”
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  9. 469

    Pequi-Derived Carbon Dots as a Fluorescence Quenching Sensor for Sensitive Detection of Fe3+ Ions by B. P. Oliveira, I. M. Sampaio, J. J. P. Oliveira, S. V. Carneiro, R. A. Antunes, P. B. A. Fechine, F. O. M. S. Abreu

    Published 2025-04-01
    “…PQ-CDs are a cost-effective and highly sensitive alternative for Fe3+ ions detection in drinking water samples from the Cariri region.…”
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  10. 470

    Tb3+-nucleic acid probe-based label-free and rapid detection of mercury pollution in food by Xuhan Xia, Chenxi Zhou, Yulin Zhu, Yi Dong, Qiang He, Mohammad Rizwan Khan, Yuanlong Chi, Rosa Busquets, Ruijie Deng, Yao Ren

    Published 2024-03-01
    “…The recovery rate was ranged in 98.71%‒101.34% for detecting mercury pollution in three food samples. …”
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  11. 471
  12. 472

    Comparison of the Triage Micro Parasite Panel and Microscopy for the Detection of Entamoeba histolytica/Entamoeba dispar, Giardia lamblia, and Cryptosporidium parvum in Stool Sampl... by Brett Swierczewski, Elizabeth Odundo, Janet Ndonye, Ronald Kirera, Cliff Odhiambo, Edwin Oaks

    Published 2012-01-01
    “…The present study evaluated the Triage Micro Parasite Panel in detecting E. histolytica/E. dispar, G. lamblia, and C. parvum compared to O&P examination in 266 stool samples collected at medical facilities in Kenya. …”
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  13. 473

    Design and Validation of an Open–Close Device for Integrated Environmental DNA Sampling Detects A Depth Gradient in Indian Ocean Deep‐Sea Fish Assemblages by Cindy Bessey, Andrew Martini, Alasdair Currie, Will Ponsonby, Aaron Tyndall, Ryan Crossing, Vinícius Werneck Salazar, Kathryn L. Dawkins, John J. Pogonoski, Glenn Moore, Nick Mortimer, John K. Keesing

    Published 2025-02-01
    “…A large number of fishes (193 taxa, from 87 families) were detected, and the majority were found within their expected depth ranges (> 75%), and in the trawl catches (60%). …”
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  14. 474

    Shape-Dependent Dynamic Label Assignment for Oriented Remote Sensing Object Detection by Xue Zhang, Yanxia Wu, Guoyin Zhang, Ye Yuan, Guangliang Cheng, Yulei Wu

    Published 2025-01-01
    “…Traditional ORSOD methods often employ fixed label assignment strategies to differentiate between positive and negative samples. However, most of them frequently overlook the impact of object shape on sample quality, leading to an imbalanced distribution of positive samples and exacerbating the inconsistency between classification and regression tasks, thereby limiting detection performance. …”
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  15. 475

    Comparison of Respiratory Pathogen Detection in Upper versus Lower Respiratory Tract Samples Using the BioFire FilmArray Respiratory Panel in the Immunocompromised Host by Natalya Azadeh, Kenneth K. Sakata, Ali Saeed, John J. Mullon, Thomas E. Grys, Andrew H. Limper, Matthew J. Binnicker

    Published 2018-01-01
    “…The FilmArray Respiratory Panel (FARP) (BioFire Diagnostics, Inc.) is a multiplex, polymerase chain reaction (PCR) technique that can detect 17 respiratory viruses and 3 bacterial targets in a single reaction. …”
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  16. 476

    Preparation of One-Emission Nitrogen-Fluorine-Doped Carbon Quantum Dots and Their Applications in Environmental Water Samples and Living Cells for ClO− Detection and Imaging by Qianchun Zhang, Haijiang Du, Siqi Xie, Fengling Tian, Xixi Long, Shan Liu, Yun Wu

    Published 2023-01-01
    “…Based on the excellent fluorescence stability, excellent water solubility, and low cell toxicity, the practicality and viability of the fluorescent composites were also successfully verified via detecting ClO− in water samples and living RAW 264.7 cells. …”
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