Showing 221 - 240 results of 19,727 for search 'sample three detection', query time: 0.21s Refine Results
  1. 221

    3D porous structure of ionic liquid-delaminated Ti3C2 MXene nanosheets for enhanced electrochemical sensing of tryptophan in real samples by Seyyed Mehdi Khoshfetrat, Mobina Motahari, Samaneh Mirsian

    Published 2025-02-01
    “…Owing to its exceptional stability, selectivity, and reproducibility, the proposed IL-Ti3C2/GCE exhibited significant potential for detecting Trp in real amino acid granules and urine samples.…”
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    Cellulosic-based microneedles for sensing heavy metals in fish samples by Houman Kholafazad, Mahdiyeh Pazhuhi, Mohammad Hasanzadeh, Nicolas H. Voelcker, Nasrin Shadju, Azadeh Nilghaz

    Published 2025-06-01
    “…Microneedles (MNs) have emerged as a cutting-edge sensing approach due to their enhanced surface area, improved sample penetration, localized detection, and potential for enhanced sensitivity. …”
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  4. 224

    Development of a Reagent Kit for the Quantitative Determination of Hepatitis B Virus (HBV) DNA in Clinical Material by PCR with Hybridization-Fluorescence Detection by O. N. Zhigaleva, S. G. Mardanly, T. Yu. Gashenko, I. I. Ermolaev

    Published 2023-09-01
    “…Immunological and molecular biological methods of detection of HBV are currently used in laboratory diagnostics. …”
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  5. 225

    Reliability and minimal detectable change of the MX3 hydration testing system. by Ian Winter, Josie Burdin, Patrick B Wilson

    Published 2024-01-01
    “…For each sample collection, a researcher used the MX3 to tap the tip of a test strip to saliva on a participant's tongue. …”
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  6. 226

    MOLECULAR AND SEROLOGICAL DETECTION OF BOVINE ADENOVIRUS TYPE-3 IN BASRA PROVINCE by Shant Sinbat, Adnan Al-Rodhan, Rasha Othman

    Published 2016-11-01
    “…The studyexhibited these virus have detected by ELISA more than PCR technique. The resultswere showed thatthe overall seropositivity ratio of bovine adenovirus antibodies inanimals of Basra was (61.9%) and bovine fecal samples will tested byPCRwereonly seven fecal positive sample (6.1%) was found.…”
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  7. 227

    YOLO-DroneMS: Multi-Scale Object Detection Network for Unmanned Aerial Vehicle (UAV) Images by Xueqiang Zhao, Yangbo Chen

    Published 2024-10-01
    “…Moreover, YOLO-DroneMS exhibits improved detection speed, increasing the number of frames per second (FPS) from 78.7 to 83.3. …”
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    Detecting pygmy rabbits (Brachylagus idahoensis) using DNA extracted from fecal pellets of mixed‐species groups by Shannon M. Torstrom, Jennifer R. Adams, Lisette P. Waits

    Published 2013-09-01
    “…From these results, we conclude that if samples are unintentionally mixed, the species with a greater number of pellets within the sample will be more likely to be detected. …”
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  11. 231

    TWD-DepNet: a deep network enhanced by three-way decisions for EEG-based depression detection by Chunlei Shi, Shouzhu Yan, Wei He, Haiyan Wang

    Published 2025-08-01
    “…To address these challenges, a novel deep learning framework TWD-DepNet is proposed, which is enhanced by Three-Way Decision (TWD) theory to enable robust EEG-based depression detection. …”
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    Exploring the standardized detection and sampling methods of human nasal SARS-CoV-2 RBD IgA by Xuanxuan Zhang, Xuanxuan Zhang, Jizong Jia, Chaoying Hu, Chaoying Hu, Yulong Fu, Guanxing Liu, Yajing Li, Qian He, Qian He, Fan Gao, Fan Gao, Na Li, Lina Wang, Jianping Chu, Henggang Xu, Zhihao Fu, Zhihao Fu, Hui Zhao, Hui Zhao, Zhenglun Liang, Zhenglun Liang, Jingxin Li, Miao Xu, Miao Xu, Qunying Mao, Qunying Mao

    Published 2025-05-01
    “…Following the scientific guidelines (Q14 and Q2(R2)) for analytical procedure development and validation released by the International Council for Harmonization (ICH), an ELISA for nasal SARS-CoV-2 WT-RBD specific IgA detection was established and validated. To compare the sampling methods, nasal samples were collected from five groups using three commonly used nasal sampling methods (M1: nasopharyngeal swab; M2: nasal swab; M3: expanding sponge method). …”
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    Simultaneous Determination of Ternary Mixture of Carboxin, Chlorpyrifos, and Tebuconazole Residues in Cabbage Samples Using Three Spectrophotometric Methods by Shilan A. Omer, Nabil A. Fakhre

    Published 2020-01-01
    “…The analytical characteristics such as detection limit, determination limit, relative standard deviation, and accuracy of the three methods were performed. …”
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    Reactive case detection can improve the efficiency of lymphatic filariasis surveillance compared to random sampling, Samoa 2023. by Helen J Mayfield, Benn Sartorius, Angus McLure, Stephanie J Curtis, Beatris Mario Martin, Sarah Sheridan, Robert Thomsen, Rossana Tofaeono-Pifeleti, Satupaitea Viali, Patricia M Graves, Colleen L Lau

    Published 2025-07-01
    “…The targeted group included residents aged ≥5 years in up to eight households within 200 metres of a household where Ag-positive resident(s) were identified in 2019. Blood samples were tested for Ag and examined for Mf.<h4>Principal findings</h4>The targeted sampling strategy (n = 400 people) identified more positives (57 Ag-positive, 23 Mf-positive) than the random sampling strategy (n = 494, 39 Ag-positive, 16 Mf-positive), with an overall targeted:random sampled case ratio of 1.8 (95% CI 1.3-2.5) for Ag and 1.8 (95% CI 1.1-3.1) for Mf. …”
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  19. 239

    Droplet digital RT-PCR method for SARS-CoV-2 variants detection in clinical and wastewater samples by Feng Wang, Yi Sun, Liming Gong, Lingxuan Su, Biaofeng Zhou, Xiuyu Lou, Yin Chen, Wen Shi, Haiyan Mao, Yanjun Zhang

    Published 2025-07-01
    “…Quantitative comparison of RT-ddPCR and RT-qPCR in 50 wastewater samples with low viral load, RT-ddPCR assay detected 50 positives for dual gene targets (N and S genes), whereas RT-qPCR assay only 21 exhibited concurrent positivity for dual gene targets, while 25 showed S gene detection, and 4 were negative for dual gene targets, suggesting our RT-ddPCR assay enabled absolute quantification of SARS-CoV-2 variants with low viral load.ConclusionThe RT-ddPCR assay developed in this study can be used for SARS-CoV-2 variants detection and quantitative analysis of clinical and environmental samples.…”
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  20. 240

    An Improved Software Source Code Vulnerability Detection Method: Combination of Multi-Feature Screening and Integrated Sampling Model by Xin He, Asiya, Daoqi Han, Shuncheng Zhou, Xueliang Fu, Honghui Li

    Published 2025-03-01
    “…The key innovations include (i) utilizing abstract syntax tree (AST) representation of source code to extract potential vulnerability-related features through multiple feature screening techniques; (ii) conducting analysis of variance (ANOVA) and evaluating feature selection techniques to identify representative and discriminative features; (iii) addressing class imbalance by applying an integrated over-sampling strategy to create synthetic samples from vulnerable code to expand the minority class sample size; (iv) employing outlier detection technology to filter out abnormal synthetic samples, ensuring high-quality synthesized samples. …”
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