Showing 441 - 460 results of 9,156 for search 'issues samples', query time: 0.14s Refine Results
  1. 441

    Smartphone sensor-based depression detection in campus environments: a proof-of-concept study with small-sample behavioral analysis by Yichen Bai, Yueze Liu, Yang Zhang, Amr Tolba

    Published 2025-08-01
    “…IntroductionDepression is a rising global health issue, particularly among adolescents, with university students facing distinct mental health challenges.MethodsThis proof-of-concept study explores smartphone sensor-based depression detection in Chinese university campus settings using a small sample of 12 participants. …”
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    Article
  2. 442

    Evaluation of the Variability of Micro and Macro Spray Parameters as a Function of Sampling Time Using a Laser Doppler Analyzer by Dariusz Lodwik, Mariusz Koprowski

    Published 2025-06-01
    “…The research was conducted for variable measurement times. The main issue of the research was an attempt to reduce the measurement cycle time, important in the case of point tests performed with an analyzer. …”
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    Article
  3. 443

    Detecting gene copy number alterations by Oncomine Comprehensive genomic profiling in a comparative study on FFPE tumor samples by Fabio Bozzi, Elena Conca, Marco Silvestri, Gianpaolo Dagrada, Alice Ardore, Donata Penso, Daniele Lorenzini, Chiara Costanza Volpi, Desirè Viola Trupia, Adele Busico, Iolanda Capone, Federica Perrone, Elena Tamborini, Andrea Vingiani, Luca Agnelli, Giancarlo Pruneri

    Published 2025-02-01
    “…The detection of CNAs by NGS in FFPE material is, nonetheless, a complex issue, which still requires validation studies. Herein, the CNAs detection by a widely used NGS assay (Oncomine Comprehensive Assay plus®, OCA+) were evaluated in 14 FFPE samples mirroring diagnostic daily practice and compared to a whole-genome assay. …”
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  4. 444

    Air-Assisted Liquid–Liquid Microextraction (AALLME) as an Alternative Sample Pre-Treatment for Isolating Tetrahydrocannabinol (THC) from Hair by Laura Blanco-García, Pamela Cabarcos-Fernández, Iván Álvarez-Freire, María Jesús Tabernero-Duque, Antonio Moreda-Piñeiro, Ana María Bermejo-Barrera

    Published 2025-06-01
    “…To address this issue, this study introduces a novel approach to preparing hair samples for analysis, based on air-assisted liquid–liquid microextraction (AALLME). …”
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    Article
  5. 445

    A Semisupervised Classification Method for Riverbed Benthic Sediments Using Integrated Superpixel Segmentation and Confident Learning Sample Enhancement by Yaxue Wang, Yuewen Sun, Xiaodong Cui, Tianyu Yun, Xianhai Bu, Fanlin Yang

    Published 2025-01-01
    “…To address this issue, this article proposes a sediment sample enhancement method based on superpixel segmentation, confident learning (CL), and active learning (AL) to improve model performance. …”
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  6. 446
  7. 447

    Random forest algorithm identifies miRNA signatures for breast cancer detection and classification from patient urine samples by Jochen Maurer, Matthias Rübner, Chao-Chung Kuo, Birgit Klein, Julia Franzen, Julia Wittenborn, Tomas Kupec, Laila Najjari, Peter Fasching, Elmar Stickeler

    Published 2024-12-01
    “…To this end, we performed miRNA sequencing on 82 urine samples, 32 samples from breast cancer patients (9× luminal A, 8× luminal B, 9× triple-negative, and 6× HER2) and 50 healthy control samples. …”
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  12. 452

    Extended-Spectrum Beta-Lactamase- and Carbapenemase-Producing Enterobacteriaceae Family of Bacteria from Diarrheal Stool Samples in Northwest Ethiopia by Minichil Worku, Michael Getie, Feleke Moges, Alem Getaneh Mehari

    Published 2022-01-01
    “…Therefore, active surveillance with large sample size and better infection prevention control is needed.…”
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  13. 453

    Feature-Driven Density Prediction of Maraging Steel Additively Manufactured Samples Using Pyrometer Sensor and Supervised Machine Learning by Rajesh Kumar Balaraman, Shaista Hussain, John Kgee Ong, Qing Yang Tan, Nagarajan Raghavan

    Published 2024-01-01
    “…Laser Powder Bed Fusion (LPBF) is a revolutionizing additive manufacturing (AM) that melts the powder particles to create innovative products, but it faces substantial challenges in monitoring and predicting the quality of the printed samples. Traditional density measurement methods, like the Archimedes technique, have been employed to determine the density of maraging steel samples produced under varying machine settings (MACH-S) process parameters, including laser power and scan speed. …”
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    Investigations of key issues on the reproducibility of high-Tc superconductivity emerging from compressed La3Ni2O7 by Yazhou Zhou, Jing Guo, Shu Cai, Hualei Sun, Chengyu Li, Jinyu Zhao, Pengyu Wang, Jinyu Han, Xintian Chen, Yongjin Chen, Qi Wu, Yang Ding, Tao Xiang, Ho-kwang Mao, Liling Sun

    Published 2025-03-01
    “…(3) Where is the superconducting phase located within the sample if it is filamentary-like? (4) Is the oxygen content important for the development and stabilization of superconductivity? …”
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  18. 458

    Following the issue-attention cycle of North Atlantic right whale science, conservation, and policy in six US newspapers: 2023 and 2024 by Marcus Reamer, Elise Rivera

    Published 2025-01-01
    “…This study continues recent research regarding the issue-attention cycle (IAC) about North Atlantic right whale (NARW) science, conservation, and policy by using content and critical discourse analyses to code and analyze 107 texts published in six of the largest US newspapers in 2023 and 2024. …”
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    GSD-SSR: an integrated framework for power analysis in IRB proposals using group sequential design and sample size re-estimation by Yuxi Zhu, Yuxi Zhu, Shi Du, Peihe Xia, Peihe Xia

    Published 2025-07-01
    “…Group Sequential Design with Sample Size Re-estimation (GSD-SSR) effectively addresses this issue by utilizing interim data at predefined stages to refine these estimates. …”
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