Showing 501 - 520 results of 596 for search 'detection optimization with composition', query time: 0.12s Refine Results
  1. 501

    UAE-HPLC-UV: New Contribution for Fast Determination of Total Isothiocyanates in Brassicaceae Vegetables by Cecilia M. Fusari, Daniela A. Locatelli, Jorgelina C. Altamirano, Alejandra B. Camargo

    Published 2015-01-01
    “…The aim of this work was to optimize this step in the analytical process. Fast and less expensive alternative, based on ultrasound-assisted extraction technique (UAE) for direct extraction of GLS into an aqueous phase and further analysis of the hydrolysis product, was optimized. …”
    Get full text
    Article
  2. 502

    Development of an eco-friendly UPLC method for simultaneous quantification of six selected phosphodiesterase-5 inhibitors and serotonin reuptake inhibitors in pharmaceutical formul... by Heba Abdel-Hafeez Mohamed, Mohamed Badawi NourEldin, Asmaa Ahmed El-Zaher, Sally Tarek Mahmoud

    Published 2025-06-01
    “…A face-centered composite design was utilized to systematically optimize critical parameters, resulting in effective separation using a reversed-phase C18 column, an acetate buffer (pH 3), and a mobile phase composed of buffer and methanol (72.5:27.5, v/v) at a flow rate of 0.5 mL/min. …”
    Get full text
    Article
  3. 503

    Lightweight deep learning system for automated bone age assessment in Chinese children: enhancing clinical efficiency and diagnostic accuracy by Pang Hai, Zhang Bin, Liu Kesheng, Li Cong, Xu Fei

    Published 2025-07-01
    “…In the first stage, the YOLOv8 algorithm precisely localizes 13 key epiphyses in hand radiographs, achieving a mean Average Precision (mAP) of 99.5% at Intersection over Union (IoU) = 0.5 and 94.0% within IoU 0.5–0.95, demonstrating robust detection performance. The second stage employs a modified EfficientNetB3 architecture for fine-grained epiphyseal grade classification, enhanced by the Rectified Adam (RAdam) optimizer and a composite loss function combining center loss and weighted cross-entropy to mitigate class imbalance. …”
    Get full text
    Article
  4. 504

    SENSOR ELETROQUÍMICO BASEADO EM ÓXIDO DE GRAFENO REDUZIDO E ESTANATO DE ZINCO PARA DETERMINAÇÃO DE PROMETAZINA by Andreza L. Moreira, Janevane S. de Castro, Anderson V. Chaves, Pierre B. A. Fechine, Pedro de Lima-Neto, Francisco W. P. Ribeiro, Paulo N. S. Casciano, Adriana N. Correia

    Published 2025-06-01
    “…An innovative sensor, based on a glassy carbon electrode modified with a reduced graphene oxide and zinc stannate composite (Zn2SnO4-rGO/GCE), was developed to detect and quantify promethazine hydrochloride (PMZ) in pharmaceutical formulations, using square wave voltammetry (SWV). …”
    Get full text
    Article
  5. 505

    Predictive Capabilities of Corotating Interaction Regions Using STEREO and Wind In‐Situ Observations by Yutian Chi, Chenglong Shen, Christopher Scott, Mengjiao Xu, Mathew Owens, Yuming Wang, Mike Lockwood

    Published 2022-07-01
    “…This demonstrates that a spacecraft situated 30° trailing Earth in its orbit, can optimize our space weather‐predicting capabilities for the Earth and lessen the risk of missing or “false alarms” CIRs.…”
    Get full text
    Article
  6. 506

    Identification of Quantitative Trait Loci for Grain Quality Traits in a Pamyati Azieva × Paragon Bread Wheat Mapping Population Grown in Kazakhstan by Akerke Amalova, Simon Griffiths, Aigul Abugalieva, Saule Abugalieva, Yerlan Turuspekov

    Published 2025-06-01
    “…These findings underscore the need for balanced breeding strategies that optimize grain composition while maintaining high productivity. …”
    Get full text
    Article
  7. 507

    Phytochemical characterization of ethanolic and ethyl acetate extracts of avocado Persea americana leaves by FT-IR and GC-MS reveals potential bioactive compounds by Mary Olaoluwa Agunloye, Daniel. U. Owu, Olufunke Onaadepo, Felix Nnaemeka Ugwu, Oludare Michael Ogunyemi

    Published 2025-07-01
    “…Phytochemical characterization was conducted using Fourier-transform infrared spectroscopy (FT-IR) to identify functional groups and gas chromatography-mass spectrometry (GC-MS) to detect bioactive constituents. Extraction conditions and analytical parameters were optimized for reproducibility. …”
    Get full text
    Article
  8. 508

    Eco-Friendly Synthesis of Cerium Oxide Nanoparticles from <i>Lycium cooperi</i> by Jhonathan Castillo-Saenz, Jorge Salomón-Carlos, Ernesto Beltrán-Partida, Benjamín Valdez-Salas

    Published 2025-02-01
    “…Furthermore, we detected the presence of stabilizing functional groups from <i>L. cooperi</i>, which, after a controlled annealing process, resulted in a band gap energy of 3.9 eV, which was optimal for the CeO<sub>2</sub>-NPs. …”
    Get full text
    Article
  9. 509

    Prediction of Chemical Corrosion Rate and Remaining Life of Buried Oil and Gas Pipelines in Changqing Gas Field by Xianbing Li, Rui Liu, Dong Ma, Yang Bai, Yukai Shi, Badm Anhouck

    Published 2023-01-01
    “…Green synthesis and metal oxide composites have attracted much attention from researchers of industry and academia. …”
    Get full text
    Article
  10. 510

    Green analytical protocol for the liquid chromatographic determination of ketoprofen in human urine after microextraction using Carbowax 20 M – modified cellulose membrane by Christina Patakidou, Marianna Ntorkou, Abuzar Kabir, Constantinos K. Zacharis

    Published 2025-05-01
    “…Experimental parameters were systematically studied and optimized using a face-centered central composite design and one-factor-at-a-time approaches. …”
    Get full text
    Article
  11. 511

    Automated extracellular volume fraction measurement for diagnosis and prognostication in patients with light-chain cardiac amyloidosis. by In-Chang Hwang, Eun Ju Chun, Pan Ki Kim, Myeongju Kim, Jiesuck Park, Hong-Mi Choi, Yeonyee E Yoon, Goo-Yeong Cho, Byoung Wook Choi

    Published 2025-01-01
    “…We conducted this study to evaluate the performance of T1 mapping parameters, derived from artificial intelligence (AI)-automated segmentation, for detection of cardiac amyloidosis (CA) in patients with left ventricular hypertrophy (LVH) and their prognostic values in patients with AL-CA.…”
    Get full text
    Article
  12. 512

    Super Resolution Reconstruction of Mars Thermal Infrared Remote Sensing Images Integrating Multi-Source Data by Chenyan Lu, Cheng Su

    Published 2025-06-01
    “…However, the current spatial resolution of Mars thermal infrared remote sensing images remains relatively low, limiting the detection of fine-scale thermal anomalies and the generation of higher-precision surface compositional maps. …”
    Get full text
    Article
  13. 513

    CNT:TiO<sub>2</sub>-Doped Spiro-MeOTAD/Selenium Foam Heterojunction for High-Stability Self-Powered Broadband Photodetector by Yuxin Huang, Pengfan Li, Xuewei Yu, Shiliang Feng, Yanfeng Jiang, Pingping Yu

    Published 2025-06-01
    “…In this study, Spiro-MeOTAD-1 with enhanced stability was prepared through the optimization of dopants (Zn(TFSI)<sub>2</sub> and CNT:TiO<sub>2</sub>) within Spiro-MeOTAD, to create a Se-F/Spiro-MeOTAD-1 heterojunction photodetector by subsequently compositing with selenium foam (Se-F). …”
    Get full text
    Article
  14. 514

    Pollen contamination and mating structure in maritime pine (Pinus pinaster Ait.) clonal seed orchards revealed by SNP markers by Bouffier, Laurent, Debille, Sandrine, Alazard, Pierre, Raffin, Annie, Pastuszka, Patrick, Trontin, Jean-François

    Published 2023-08-01
    “…We addressed biological (tree genotype, age, flowering phenology) and environmental factors (vicinity with external pollen sources, orchard structure, soil type, climatic conditions) that are expected to determine the genetic composition of seed lots. Genetic analyses were based on an optimized set of 60 SNP markers and performed on 2,552 seedlings with Cervus software (likelihood inference methodology). …”
    Get full text
    Article
  15. 515

    Effects of maternal feeding of clofibrate on hepatic fatty acid metabolism in suckling piglet by Jinan Zhao, Brandon Pike, Feng Wang, Lin Yang, Paige Meisner, Yanling Huang, Jack Odle, Xi Lin

    Published 2024-12-01
    “…Maternal clofibrate also increased plasma ketone body levels and hepatic FA oxidation measured at the first day of birth, but the increase was not detected in piglets on d 7, 14 or 19. Clofibrate was not detected in milk collected from the clofibrate-treated sows. …”
    Get full text
    Article
  16. 516

    Effect of dietary supplementation with purified wood lignocellulose on performances, caecal fermentation and gut microbiota of growing rabbits by Giulia Zardinoni, Angela Trocino, Marco Birolo, Francesco Bordignon, Piergiorgio Stevanato, Fabrizio Pirrone, Andrea Zuffellato, Gerolamo Xiccato

    Published 2024-12-01
    “…A total of 576 rabbits were housed in 18 open-top elevated pens (32 rabbits per pen) during the fattening period (54–71 d of age) and fed a standard diet or a diet enriched in purified wood lignocellulose and fat formulated to guarantee rabbit optimal digestive health and convenient feed conversion ratio. …”
    Get full text
    Article
  17. 517

    Functional and Taxonomic Insights into Root Endophytic Bacterial Communities in Hybrid Tomato and Finger Millet: Implications for Crop Resilience and Growth by Surendirakumar Kannaiah, Ramganesh Selvarajan, Salam Nirmalashachi Chanu, Radha Raman Pandey, Akebe Luther King Abia

    Published 2025-03-01
    “…These sequences were processed to identify amplicon sequence variants (ASVs), which were then classified taxonomically to assess community composition and functional prediction. Across the two hybrid crops, 1400 ASVs were detected in tomato and 1838 in finger millet. …”
    Get full text
    Article
  18. 518

    Quantifying the Molecular Properties of the Elk Chronic Wasting Disease Agent with Mass Spectrometry by Christopher J. Silva, Melissa L. Erickson-Beltran, Eric D. Cassmann, Justin J. Greenlee

    Published 2024-11-01
    “…Methionine oxidation was detected and quantified for the M132 and L132 polymorphisms in the samples. …”
    Get full text
    Article
  19. 519

    Phytochemical and morpho-physiological response of Melissa officinalis L. to different NH4 + to NO3̄ ratios under hydroponic cultivation by Farzad Safaei, Abolfazl Alirezalu, Parviz Noruzi, Kazem Alirezalu

    Published 2024-10-01
    “…The p-coumaric acid as a main abundant phenolic composition, was detected by HPLC analysis as the highest content in samples grown under 0:100 - NH4 +:NO3̄ treatment. …”
    Get full text
    Article
  20. 520

    Interactive effect of potassium and zinc application on oil yield of sunflower by Farid Hellal, Doaa Abou Basha, Saied El Sayed, Hanan Abdelkader

    Published 2025-06-01
    “…Understanding these relationships can lead to optimized cultivation practices and improved outcomes in sunflower farming.…”
    Get full text
    Article