Showing 13,001 - 13,020 results of 18,993 for search 'sampling more methods', query time: 0.29s Refine Results
  1. 13001

    Estimation of soil free Iron content using spectral reflectance and machine learning algorithms by Wanzhu Ma, Hongkui Zhou, Hao Hu, Zhiqing Zhuo, Kangying Zhu, Guangzhi Zhang

    Published 2025-07-01
    “…To evaluate the feasibility of using spectral reflectance and machine learning methods to estimate soil free iron content, we collected the spectral reflectance of 540 soil samples from 135 locations. …”
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  2. 13002
  3. 13003
  4. 13004

    Phenolic compounds, antioxidant and antileishmanial activities of kombucha as affected by fermentation time by Alvine Ngoutane Mfopa, Raoul Kemzeu, Raymond Fokom, Lauve Rachel T. Yamthe, Darline Dize, Fabrice Fekam Boyom

    Published 2024-11-01
    “…Phenolic compounds, flavonoids, and tannins was determined using standard method. The antioxidant activity was determined using three tests: DPPH•, ABTS• + and FRAP methods. …”
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  5. 13005

    An analysis of the mediating effect of presenteeism between job crafting and organizational silencing in junior nurses: a cross sectional study by Na Yang, Dandan Wang, Chen Wei, Jingwen Wang, Liping Yuan

    Published 2025-08-01
    “…Relationships between variables were clarified by Pearson correlation analysis and the mediating effect of presenteeism was tested by Bootstrap method.ResultsThe total score of presenteeism was (15.71 ± 5.65), which was moderately high; the total score of Job crafting (69.35 ± 12.28) showed that the nurses‘ability to proactively restructure their work needed to be improved; and the total score of organizational silence (57.27 ± 14.25) showed that the nurses’ tendency to negatively avoid organizational issues was more obvious. …”
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  6. 13006

    Environmentally safe sorbent from ash-and-slag waste of heat power engineering by S. A. Bushumov, T. G. Korotkova

    Published 2023-11-01
    “…To determine the physical and chemical properties (bulk density, ash content, total pore volume, abrasion, humidity, sorption capacity) of sorbent based on ash-and-slag waste from heat power engineering, calcined and modified with a Tiprom K organosilicon water repellent.Methods. The physicochemical properties of the modified sorbent were determined using an experimental method according to the methods of regulatory documents on equipment verified and certified in the prescribed manner.Results. …”
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  7. 13007

    Chronic coronary artery disease: aspects of recording and coding in clinical practice (results of a survey of physicians) by I. V. Samorodskaya, R. N. Shepel, E. P. Kakorina, O. M. Drapkina

    Published 2024-06-01
    “…To study the opinion of doctors about the applicability, frequency and criteria for practical use of codes of the International Classification of Diseases, 10th revision (ICD-10) from the group of chronic coronary artery disease (CAD) — I25.0, I25.1, I25.8, I25.9.Material and methods. This cross-sectional study was conducted in the period from February 27, 2024 to March 11, 2024 on a continuous sample of medical workers who agreed to participate in an anonymous survey as respondents. …”
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  8. 13008

    Study of the Anti-inflammatory Activity of New Dosage Forms with Acyzol by A. L. Golovanenko, I. P. Rudakova, E. S. Berezina, I. V. Alekseeva, E. I. Molokhova

    Published 2022-12-01
    “…The purpose of this study was to study the anti-inflammatory activity of new dental dosage forms with Acyzol.Materials and methods. Serial samples of gels and films with an active pharmaceutical substance – acyzol bis-(1-vinylimidazole)zincdiacetate (ФС 000286 191211.2011, LLC "Makiz-Pharma", Russia, 101218, shelf life 3 years) were used for the study; basic and gel-forming components – Na-KMTs C75 (TU 2231-002-50277563-2000, LLC "Chemical Products Base "Yugreaktiv", Russia, 151119, shelf life 3 years), glycerol (FS.2.2.0006.15 "Glycerin", JSC "Kupavnareaktiv", Russia, 082019, shelf life 3 years), purified water (FS.2.2.0020.18 "Purified water"), nipagin (LLC "Alfa-Veta.com", Russia, 092018, shelf life 3 years), nipazol (LLC "ECOCHEM-INNOVATION", Russia, 071518, shelf life 3 years). …”
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  9. 13009

    Two strategies for the delivery of IPTc in an area of seasonal malaria transmission in the Gambia: a randomised controlled trial. by Kalifa A Bojang, Francis Akor, Lesong Conteh, Emily Webb, Ousman Bittaye, David J Conway, Momodou Jasseh, Virginia Wiseman, Paul J Milligan, Brian Greenwood

    Published 2011-02-01
    “…<h4>Conclusions</h4>In this setting in The Gambia, delivery of IPTc to children 6 years of age and under by VHWs is more effective and less costly than delivery through RCH trekking clinics.…”
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  10. 13010

    Study of the association of distribution pattern of genotypes of C/A polymorphism of COL1A1_1 collagen gene (RS1107946) with indicators of external breathing in children with bronc... by Т. Ye. Shumna, S. M. Nedelska, O. S. Fedosieieva

    Published 2019-12-01
    “…There were no differences in age and sex in the comparison groups (P > 0.05).Genotype determination was performed by polymerase chain reaction method according to the instruction (Applied Biosystems, USA) using the samples of total DNA received from whole venous blood using SNP-Screen reagents (manufactured by “Syntol”) on amplifier CFX96TM Real-Time PCR Detection Systems (“Bio-Rad laboratories, Inc.”, USA). …”
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  11. 13011

    Sjögren’s syndrome is associated with a reduction in the surface area of the right caudal anterior cingulate gyrus by Ping Wang, Yunpeng Tai, Xiaofang Zhu, Xinyi Wan, An Sun, Jiajia Wang, Hui Cheng, Jingwei Hong, Yi Zhang, Xiaobing Wang

    Published 2025-07-01
    “…The relationship between cerebral cortex structure and neurological pathologies is well-documented, yet the impact of SS on cerebral cortex structure remains unclear. Methods A two-sample Mendelian randomization (MR) analysis was conducted using four single-nucleotide polymorphisms (SNPs) associated with SS. …”
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  12. 13012

    Effectiveness and cost-effectiveness of the GoActive intervention to increase physical activity among UK adolescents: A cluster randomised controlled trial. by Kirsten Corder, Stephen J Sharp, Stephanie T Jong, Campbell Foubister, Helen Elizabeth Brown, Emma K Wells, Sofie M Armitage, Caroline H D Croxson, Anna Vignoles, Paul O Wilkinson, Edward C F Wilson, Esther M F van Sluijs

    Published 2020-07-01
    “…The main methodological limitation of this study was the relatively affluent and ethnically homogeneous sample.<h4>Conclusions</h4>In this study, we observed that a rigorously developed school-based intervention was no more effective than standard school practice at preventing declines in adolescent physical activity. …”
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  13. 13013

    Circulating mitochondrial DNA signature in cardiometabolic patients by Alessandro Mengozzi, Silvia Armenia, Nicolò De Biase, Lavinia Del Punta, Federica Cappelli, Emiliano Duranti, Virginia Nannipieri, Rossana Remollino, Domenico Tricò, Agostino Virdis, Stefano Taddei, Nicola Riccardo Pugliese, Stefano Masi

    Published 2025-03-01
    “…Circulating mitochondrial DNA (mtDNA) profiles could refine risk stratification, but current methods do not account for different fractions of circulating mtDNA. …”
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  14. 13014

    Study on the Impact of Exclosures on the Physicochemical Properties of Rangeland Soil (Case Study: Northern Golestan Province, Sufikam Rangelands) by Rasool Khatibi, Mohsen Farahi

    Published 2024-09-01
    “…Material and Methods: In this study, soil samples were collected from 60 points in both degraded exclosure rangelands and natural rangelands. …”
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  15. 13015

    Genomic and clinical characterization of HER2 exon 20 mutations in non-small cell lung cancer: insights from a multicenter study in South China by Yating Hou, Xingyang Xue, Zhuoyun Zhang, Dahai Mai, Wei Luo, Mingyu Zhou, Zichuan Liu, Yisheng Huang

    Published 2025-04-01
    “…Abstract Background The objective of this study was to investigate the clinical and genetic characteristics and clinical relevance of HER2 exon 20 oncogenic variants in non-small cell lung cancer (NSCLC) patients. Methods This prospective study analyzed 51 NSCLC patients with HER2 mutations, identified via next-generation sequencing (NGS) of tissue, blood, cerebrospinal fluid, or pleural effusion samples. …”
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  16. 13016

    Sensing using SERS-substrate and machine learning approaches by Bakal, Victoria Alexandrovna, Gusliakova, Olga Igorevna, Prikhozhdenko, Ekaterina Sergeevna

    Published 2025-06-01
    “…Background and Objectives: Accurate and duly determination of glucose levels is critical for the diagnosis and control of diabetes. Recently, optical methods for glucose determination have become the subject of increased interest due to their potential cost-effectiveness, portability, and low invasiveness. …”
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  17. 13017

    APPLICATION OF INTEGRAL EVALUATION SCALES IN PATIENTS WITH WIDESPREAD PURULENT PERITONITIS by Ярослав Миронович Лещишин, Андрей Игоревич Баранов, Константин Владимирович Потехин, Сергей Александрович Ярощук, Юрий Викторович Валуйских

    Published 2020-06-01
    “…An objective assessment of the severity of the patient's condition allows for a comparative study of their results and, equally important, a more objective prediction of treatment outcomes. …”
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  18. 13018
  19. 13019

    Immunohistochemical analysis of PD-L1, CD4, CD8, CD20, and PU.1 expression in a dedifferentiated chondrosarcoma: the clinical and prognostic value by Olga V. Kovaleva, Irena V. Boulytcheva, Dmitrii V. Rogozhin, Alexei N. Gratchev, Polina L. Prishchep, Nikolay E. Kushlinskii

    Published 2025-07-01
    “…Methods: We retrospectively analyzed the results of the immunohistochemical (IHC) studies of the tumor samples obtained from 42 patients with DDCS (18 men and 24 women aged 24 to 94 years; median age 65 years). …”
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  20. 13020

    Culture-independent evaluation of the appendix and rectum microbiomes in children with and without appendicitis. by Hope T Jackson, Emmanuel F Mongodin, Katherine P Davenport, Claire M Fraser, Anthony D Sandler, Steven L Zeichner

    Published 2014-01-01
    “…We conducted a pilot, culture-independent 16S rRNA-based microbiota study of paired appendix and rectal samples.<h4>Methods</h4>We collected appendix and rectal swabs from 21 children undergoing appendectomy, six with normal appendices and fifteen with appendicitis (nine perforated). …”
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