Showing 4,681 - 4,700 results of 4,871 for search 'Background composition methods', query time: 0.17s Refine Results
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  7. 4687

    Distribution Characteristics and Ecological Risk Assessment of Heavy Metals in Typical Soil Profiles of Muchuan County, Sichuan Province by Bixia LIAO, Wenling SHEN, Ling HE

    Published 2023-12-01
    “…However, due to the wide area of contaminated soil and the complex composition of pollution sources, the current soil remediation work still faces huge problems.OBJECTIVESTo study the vertical distribution characteristics of heavy metals in soil, the relationship between soil heavy metals and soil nutrient elements, as well as the degree of pollution and potential ecological risks.METHODSThe contents of Cd, Cu, Ni, Pb, Zn were measured using inductively coupled plasma-mass spectrometry (ICP-MS); As content was determined by hydride generation atomic fluorescence spectrometry (HG-AFS); P and K2O contents were determined by X-ray fluorescence spectrometry (XRF); N content was determined by oxidation combustion gas chromatography (GC); Hg content was determined by cold vapor atomic fluorescence spectrometry (CV-AFS); Organic carbon content was determined by high-frequency combustion infrared absorption method (IR); potentiometric method (POT) was used to measure soil pH value. …”
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  8. 4688
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    Development of a medication experience scale for patients with chronic disease in primary care facilities by Jiaxian Shao, Haihong Cao, Zhihong Sun, Xiaona Li, Min Gao, Ziyuan Li, Yongli Shi, Ping Dong, Wenqiang Yin, Zhongming Chen

    Published 2025-04-01
    “…Background: Understanding patients' medication experience is crucial for improving adherence, health outcomes, and medical safety. …”
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  10. 4690

    Full-length 16S rRNA Sequencing Reveals Gut Microbiome Signatures Predictive of MASLD in children with obesity by Yu-Cheng Lin, Chi-Chien Wu, Yun-Er Li, Chun-Liang Chen, Chia-Ray Lin, Yen-Hsuan Ni

    Published 2025-03-01
    “…While recent advancements in full-length 16S (FL16S) rRNA sequencing offer better taxonomic resolution, whether they establish stronger associations with the risk of MASLD remains to be determined. Method This study utilized long-read FL16S and short-read V3-V4 16S rRNA sequencing to profile gut microbiome compositions in age-, sex-, and BMI-matched case–control pairs of obese children with and without MASLD. …”
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  11. 4691
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    The prevalence and the correlates of mental disorders among the elderly population: results from China Mental Health Survey by Jingjuan Pang, Minghui Li, Zhaorui Liu, Yueqin Huang, Xiaofei Hou, Guoli Yan, Xiangdong Xu, Limin Wang, Yongping Yan, Shuiyuan Xiao, Lingjiang Li, Jie Yan, Yaqin Yu, Xiufeng Xu, Zhizhong Wang, Yifeng Xu, Tao Li, Tingting Zhang, Huifang Yin, Guangming Xu

    Published 2025-08-01
    “…Abstract Background Mental disorders among the elderly are a growing public health concern contributing significantly to disease burden, disability, and mortality. …”
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  13. 4693
  14. 4694

    Application of machine learning in soil heavy metals pollution assessment in the southeastern Tibetan plateau by Yan Li, Yilong Yu, Shiyuan Ding, Wenjing Dai, Rongguang Shi, Gaoyang Cui, Xiaodong Li

    Published 2025-04-01
    “…The BiLISA method revealed significant spatial interactions among HMs, with the composite pollution of As and Cd occupying the largest proportion in High (As)-High (Cd) aggregation zones, underscoring the need for integrated management strategies. …”
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  15. 4695

    Rapid Improvement in Cardiac Damage Predicts Better Prognosis After Transcatheter Aortic Valve Replacement by Hao-Wei Lee, Chih-Hui Chin, Po-chin Chou, Chia-Hsiu Chang, Chiu-Ling Tsai, Chi-Hung Huang

    Published 2025-01-01
    “…Background: A staging system based on cardiac damage for severe aortic stenosis (AS) has been validated for prognosis prediction following transcatheter aortic valve replacement (TAVR). …”
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  16. 4696

    Multilevel and multidimensional features of socioeconomic status and cognitive function in older adulthood: a cross-sectional analysis of the IGNITE studyResearch in context by Jermon A. Drake, Lu Wan, Chaeryon Kang, Peter J. Gianaros, Patricio Solis-Urra, Haiqing Huang, Rebecca Reed, Charles H. Hillman, Eric D. Vidoni, Jeffrey M. Burns, Arthur F. Kramer, Edward McAuley, George Grove, Kirk I. Erickson, Lauren E. Oberlin

    Published 2025-10-01
    “…Summary: Background: Lower socioeconomic status (SES) is associated with increased risk of cognitive decline and dementia, yet reliance on singular indicators of SES limits understanding of these relationships. …”
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  17. 4697

    Associations of metabolic status with all-cause mortality among individuals with osteoarthritis: A prospective cohort study by Hao Yang, Muhui Zeng, Tianxiang Fan, Haowei Chen, Xiaofeng Fang, Zhong Alan Li, Xiaoshuai Wang, David J. Hunter, Changhai Ding, Zhaohua Zhu

    Published 2025-03-01
    “…Background: Individuals with osteoarthritis (OA) often experience significant changes in their metabolic status and have a higher risk of mortality compared to the general population. …”
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  18. 4698

    Use of Beta-Blockers as a First-Line Treatment for Primary Hypertension by Maryam Izadi, Shiva Shafabakhsh, Amir Mirnateghi

    Published 2024-10-01
    “…Therefore, this study aimed to clarify beta-blocker efficacy by incorporating the data from all relevant beta-blocker trials, using the composite outcome of major cardiovascular events. <i>Method</i>: A search was conducted on MEDLINE, PubMed, Embase, and the Cochrane Library, restricted to published, peer-reviewed, human, meta-analysis, and controlled clinical trials. …”
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  19. 4699

    The Unignorable Near-ground PM2.5, UFP, PAHs, and BC Levels around a Traffic Prohibited Night Market by Sheng-Lun Lin, Hongjie Zhang, Ming-Yeng Lin, Shih-Wei Huang

    Published 2023-03-01
    “…In our study, the night market in Chiayi City was selected as the research object and collected the 24-hour PM2.5 samples through the federal reference method (FRM), characterizing the mass concentration, water-soluble ionic components, carbon specious, metal compositions and source contributions of PM2.5. …”
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  20. 4700

    Prediction of Major Adverse Cardiovascular Events in Patients with Peripheral Artery Disease Using Circulating Immunomodulatory Proteins by Ben Li, Farah Shaikh, Houssam Younes, Batool Abuhalimeh, Jason Chin, Khurram Rasheed, Abdelrahman Zamzam, Rawand Abdin, Mohammad Qadura

    Published 2024-12-01
    “…<b>Background/Objectives:</b> The leading cause of death for people with peripheral artery disease (PAD) is major adverse cardiovascular events (MACE), including heart attacks and strokes. …”
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