Showing 14,881 - 14,900 results of 18,849 for search 'sample random sampling.', query time: 0.23s Refine Results
  1. 14881

    A study on the pharmacokinetic bioequivalence of oral tablet formulations of riluzole among healthy volunteers utilizing HPLC-MS/MS by Fei Yu, Rui Wang, Keli Wang, BoYang Lin, Xuan Zhou, Linghong Chen, Li Ma, Zheng Liao, Wanggang Zhang

    Published 2025-05-01
    “…Venous blood samples (4 mL) were collected 22 times from each subject, starting before dosing (0 h) and ending 48 h after. …”
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  2. 14882

    An Integrated Study of Ramie (Boehmeria nivea), and Its Wild, Cultivated, and Feral Forms by Ying Zhao, Richard I. Milne, Jie Liu, Zhi‐Peng Li, Xiao‐Gang Fu, Ke Li, Amos Kipkoech, Zeng‐Yuan Wu

    Published 2025-03-01
    “…Here, 78 wild and feral individuals were sampled from 12 Chinese provinces, plus 11 cultivated individuals from farmland. …”
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  3. 14883

    A Comprehensive Study of Spatial Distribution, Pollution Risk Assessment, and Source Apportionment of Topsoil Heavy Metals and Arsenic by Honghua Chen, Xinxin Sun, Longhui Sun, Yunce An, Ying Xiao, Jintao Zhang, Yunpeng Hong, Xiaodong Song

    Published 2024-12-01
    “…Finally, source apportionment was conducted using random forest (RF), absolute principal component score–multiple linear regression (APCS-MLR), correlation analysis, and spatial distribution of soil HMs and As. …”
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  4. 14884

    Sero-epidemiological survey of Coxiella burnetii in livestock and humans in Tana River and Garissa counties in Kenya. by Damaris Mwololo, Daniel Nthiwa, Philip Kitala, Tequiero Abuom, Martin Wainaina, Salome Kairu-Wanyoike, Johanna F Lindahl, Enoch Ontiri, Salome Bukachi, Ian Njeru, Joan Karanja, Rosemary Sang, Delia Grace, Bernard Bett

    Published 2022-03-01
    “…<h4>Methods</h4>Data were collected through a cross-sectional study. Serum samples were taken from 2,727 animals (466 cattle, 1,333 goats, and 928 sheep) and 974 humans and screened for Phase I/II IgG antibodies against C. burnetii using enzyme-linked immunosorbent assay (ELISA). …”
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  5. 14885

    Osteopontin as a diagnostic and NTZ-response biomarker of multiple sclerosis: a systematic review and meta-analysis by Adela González-Jiménez, Adela González-Jiménez, Elena Urcelay, Elena Urcelay, Laura Espino-Paisán, Laura Espino-Paisán

    Published 2025-06-01
    “…This article presents a systematic review and meta-analysis of the association between OPN levels in CSF and blood and the presence of MS.MethodsWe searched PubMed, Embase, and Cochrane databases for articles measuring OPN concentrations in peripheral blood and CSF samples from MS patients, published before July 12, 2024. …”
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  6. 14886

    ATTITUDES, PREFERENCES, AND CHARACTERISTICS OF OHIO'S SPRING TURKEY HUNTERS, 1985–2001 by David A. Swanson, Robert J. Stoll Jr., W. Lloyd Culbertson

    Published 2005-01-01
    “…As hunter numbers increased, so have problems and issues with managing the spring hunt. Random samples of Ohio spring turkey hunters were mailed a questionnaire immediately following the 1985, 1989, 1996, and 2001 spring turkey seasons. …”
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  7. 14887

    Preliminary analysis of salivary microbiota in catathrenia (nocturnal groaning) using machine learning algorithms by Min Yu, Yujia Lu, Wanxin Zhang, Xu Gong, Zeliang Hao, Liyue Xu, Yongfei Wen, Xiaosong Dong, Fang Han, Xuemei Gao

    Published 2025-12-01
    “…Ten patients (6 M/4 F) underwent post-treatment PSG. Salivary samples were collected, and microbial characteristics were analyzed using 16S rRNA gene sequencing. …”
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  8. 14888

    Microbiome characteristics associated with lymph node metastasis in laryngeal squamous cell carcinoma by Fangxu Yan, Shibo Chen, Xin Xia, Yue Fan, Shuting Yu, Xiao Zhang, Xingming Chen

    Published 2025-08-01
    “…Based on repeated stratified 3 cross-validation, random forest models were used to identify metastasis-associated genera. …”
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  9. 14889

    Influence of Rice–Crayfish Co-Culture Systems on Soil Properties and Microbial Communities in Paddy Fields by Dingyu Duan, Dingxuan He, Liangjie Zhao, Chenxi Tan, Donghui Yang, Wende Yan, Guangjun Wang, Xiaoyong Chen

    Published 2025-07-01
    “…Soil and water samples were collected post-harvest and pre-transplanting to assess soil properties, extracellular enzyme activity, and microbial community structure. …”
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  10. 14890

    An ensemble strategy for piRNA identification through hybrid moment-based feature modeling by Mansoor Ahmed Rasheed, Tamim Alkhalifah, Fahad Alturise, Yaser Daanial Khan

    Published 2025-08-01
    “…Use of independent set testing accross species evaluates the generalizability and adaptability of the model for diverse data samples. The proposed method TranspoRed achieved exquisite results on diverse datasets for humans, mouse and Drosophila. …”
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  11. 14891
  12. 14892

    Research on High-Accuracy, Lightweight, Superfast Model for Nitrogen Diagnosis and Plant Growth in Lettuce (<i>Lactuca sativa</i> L.) by Xuyang Li, Iftikhar Hussain Shah, Xiaohao Gong, Muhammad Azam, Wu Jinhui, Pengli Li, Yidong Zhang, Qingliang Niu, Liying Chang

    Published 2025-04-01
    “…Traditional methods for nitrogen diagnosis in lettuce, such as laboratory-based analysis of plant samples, are labor-intensive, time-consuming, and lack real-time monitoring capabilities. …”
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  13. 14893

    A new risk assessment model of venous thromboembolism by considering fuzzy population by Xin Wang, Yu-Qing Yang, Xin-Yu Hong, Si-Hua Liu, Jian-Chu Li, Ting Chen, Ju-Hong Shi

    Published 2024-12-01
    “…Adjusting the distribution of negative samples in the training set based on the ‘fuzzy population’ would exacerbate the instability of performance of five ML models, which limited the application of ML methods in clinic. …”
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  14. 14894

    Remotely sensed spectral indicators of bird taxonomic, functional and phylogenetic diversity across Afrotropical urban and non-urban habitats by Adewale G. Awoyemi, Tunrayo R. Alabi, Juan Diego Ibáñez-Álamo

    Published 2025-01-01
    “…Random Forest Regressions and Generalized Linear Mixed Effect Models were used to identify the topmost ranked indicator of each avian diversity component, and its variation between urban and non-urban areas. …”
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  15. 14895

    Anoikis in prostate cancer bone metastasis gene signatures and therapeutic implications by Wei Xia, Miao Ye, Bo Jiang, Gang Xu, Guancheng Xiao, Qingming Zeng, Ruohui Huang

    Published 2024-09-01
    “…Specific anoikis-related genes (ARGs) were identified, and Random Survival Forest analysis and multivariate Cox regression were employed to develop anoikis-linked features. …”
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  16. 14896
  17. 14897

    Machine learning combined multi-omics analysis to explore key oxidative stress features in systemic lupus erythematosus by Hongwei Zhou, Xiaoqing Li, Yanyu Zhang, Feng Wei, Zhiyu Liu, Yan Zhao, Xubo Zhuang, Xia Liu, Haizhou Zhou

    Published 2025-06-01
    “…Peripheral blood plasma samples from confirmed SLE patients and healthy controls (HC) were analyzed using liquid chromatography-mass spectrometry (LC-MS) for metabolomics profiling and to evaluate OS and antioxidant stress (AOS) levels. …”
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  18. 14898

    Tryptophan metabolites profile predict remission with dietary therapy in pediatric Crohn’s disease by Rotem Sigall Boneh, Nikki van der Kruk, Eytan Wine, Charlotte M. Verburgt, Tim G. J. de Meij, Mark Löwenberg, Krisztina B. Gecse, Nicolette Wierdsma, Joep P. M. Derikx, Wouter J. de Jonge, Geert D’Haens, Mohammed Ghiboub, Johan E. Van Limbergen

    Published 2025-02-01
    “…We performed a targeted quantitative analysis of 21 tryptophan-metabolites in baseline ( t  = 0) fecal samples from both groups, utilizing liquid chromatography coupled with quadrupole mass spectrometry. …”
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  19. 14899

    The influence of rhizosphere soil microorganisms and environmental factors on gentiopicroside content in the roots and rhizomes of Gentiana scabra Bunge from Liaoning Province by Jianming Hou, Haibo Yin, Haibo Yin, Dan Wang, Jiayi Luo, Wenqi Yang, Tingguo Kang

    Published 2025-03-01
    “…Through high-throughput sequencing technology, and with the help of PLS-DA and RDA, the impacts of rhizosphere soil microorganisms and environmental factors on the quality of G. scabra were explored in depth.ResultsAlpha diversity shows that the diversity of bacterial communities varies significantly, while the regularity of fungi is weak; beta diversity shows that samples from different producing areas can be effectively grouped according to community structure. …”
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  20. 14900

    Machine learning-based prediction of adverse pregnancy outcomes in antiphospholipid syndrome using pregnancy antibody levels by Wanqing Liu, Ju Huang, Jun Xiao, Shanling Yan

    Published 2025-08-01
    “…Six machine learning models were developed: Light Gradient Boosting Machine (LGBM), CatBoost, Extreme Gradient Boosting (XGBoost), Logistic Regression (LR), Random Forest (RF), and Multi-Layer Perceptron (MLP). …”
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