Showing 901 - 920 results of 22,558 for search 'detection sampling', query time: 0.20s Refine Results
  1. 901

    Application of a Needle Trap Sampler Containing Hydroxyl Fullerene Nanoparticles for Benzene Sampling in Air by Saleh Qahri Saremi, Nabiollah Mansouri, Mahmoud Heidari, Marzieh Shekarriz, Homayon Ahmad Panahi

    Published 2025-07-01
    “…Introduction: Evaluation of air pollutants using green microextraction methods that do not require solvents and allow for sampling and analysis in a single step has received attention. …”
    Get full text
    Article
  2. 902
  3. 903

    Distribution and extended triage of high-risk human papillomavirus genotyping based on vaginal self-sampling by Ling Li, Yun Zhao, Rong Liu, Chen Yao, Zhijun Zhang, Yingying Hu, Ruifang Wu, Ruifang An, Hui Du, Xinfeng Qu, Lihui Wei, Bei Lin, Mingzhu Li, Chao Zhao, Jingran Li, Zhixin Lin, Jihong Deng, Songling Zhang

    Published 2025-08-01
    “…When HPV16/18/33 were combined for detection, the sensitivity for detecting CIN2+ increased to 66.67%.Conclusions The prevalence and genotype distribution of HR-HPV based on vaginal self-sampling varied across different regions and ages in China. …”
    Get full text
    Article
  4. 904

    Distance and Velocity Characterizations Through Sampling Rate-Limited Main Interferometer in a Silicon Platform by Ting-Qing Liao, Ting-Chia Chang, Jhih-Jia Kang, Shih-Hsiang Hsu

    Published 2024-01-01
    “…More than two samples in an interferogram period will be a criterion in the sampling rate-limited FMCW distance tests. 876.86 cm and 18.058 cm ranging limits are demonstrated through 5 &#x00D7; 10<sup>5</sup> and 1x10<sup>4</sup> samples per second from the data acquisition, respectively, in a process-insensitive Mach-Zehnder directional coupler for FMCW-based LiDAR applications. …”
    Get full text
    Article
  5. 905

    Carbon estimation using sampling to correct LiDAR-assisted enhanced forest inventory estimates by Yingbing Chen, John A. Kershaw, Yung-Han Hsu, Ting-Ru Yang

    Published 2020-05-01
    “…Light Detection and Ranging (LiDAR) scanning has been increasingly applied in forest ecosystem surveys. …”
    Get full text
    Article
  6. 906

    A comparison of line‐transect distance sampling methods for estimating gopher tortoise population densities by Traci D. Castellón, Betsie B. Rothermel, Saif Z. Nomani

    Published 2015-12-01
    “…ABSTRACT Line‐transect distance sampling (LTDS) is increasingly used to estimate gopher tortoise (Gopherus polyphemus) densities. …”
    Get full text
    Article
  7. 907

    Demutiplexing of Nyquist-OTDM Signal Based on Temporal Magnification Aided Optical Sampling With Enhanced Performance by Lei Yue, Deming Kong, Yan Li, Jian Wu

    Published 2019-01-01
    “…With the aid of temporal magnification based on a time-lens, the sampling window can be extended during the coherent detection progress at the receiver side. …”
    Get full text
    Article
  8. 908

    Establishing the volatile organic compound profile and detection capabilities of human remain detection dogs to human bones by Frédérique Ouimet, Darshil Patel, Marissa Tsontakis, Clifford Samson, Shari L. Forbes

    Published 2025-06-01
    “…Several differences in the chemical class distribution were observed between the bone types, but the number and intensity of the VOCs were similar between the bone samples. During the HRD dog training, a higher false detection rate was observed on the first day of each trial; however, the detection rate improved to 100 % on the second day of each trial. …”
    Get full text
    Article
  9. 909

    Diagnostic Values of Electrochemiluminescent Detection of Urinary CYFRA21‐1 and FDP and Their Combined Detection in Bladder Cancer by Zhuoran Li, Lu Xia, Yamin Li, Tao Huang, Ning Yang, Shannai Li, Yinyin Luo, Yaoyao Yang, Jian Zhang, Song Wu, Qifang Lei

    Published 2025-08-01
    “…Methods We evaluated the performances of the CYFRA21‐1 assay kit (electrochemiluminescence) and/or FDP assay kit (electrochemiluminescence) in detecting bladder cancer. CYFRA21‐1 and FDP levels were determined in urine samples from 467 participants in South China Hospital of Shenzhen University and Shenzhen Luohu People's Hospital. …”
    Get full text
    Article
  10. 910

    Research on Asphalt Pavement Surface Distress Detection Technology Coupling Deep Learning and Object Detection Algorithms by Hong Zhang, Yuanshuai Dong, Yun Hou, Xiangjun Cheng, Peiwen Xie, Keming Di

    Published 2025-03-01
    “…A monocular camera was used to capture pavement surface images, resulting in a dataset of 85,511 training samples. Additionally, the YOLOv5 object detection algorithm, combined with convolutional deep learning techniques, was employed to classify and identify pavement surface distresses in the collected images. …”
    Get full text
    Article
  11. 911

    Life Detection Beyond Earth: Laser-Based Mass Spectrometry for Organics Detection on Solar System Objects by Andreas Riedo, Nikita J. Boeren, Peter Keresztes Schmidt, Marek Tulej, Peter Wurz

    Published 2025-02-01
    “…In this contribution we present the current measurement capabilities of our space prototype laser-based mass spectrometer for organics detection. The developed mass spectrometer currently allows the detection and identification of small organic molecules, such as amino acids and nucleobases, at sample concentrations at the level of femtomole mm-2, using the same measurement protocol. …”
    Get full text
    Article
  12. 912

    Analytical Validation of Cxbladder<sup>®</sup> Detect, Triage, and Monitor: Assays for Detection and Management of Urothelial Carcinoma by Justin C. Harvey, Lisa M. Cambridge, Charles W. Ellen, Megan Colonval, Jody A. Hazlett, Jordan Newell, Xin Zhou, Parry J. Guilford

    Published 2024-09-01
    “…This study evaluated the analytical validity of the Cxbladder Detect, Triage, and Monitor assays. <b>Methods:</b> Pre-specified acceptance criteria, including the assays’ fundamental aspects (sample and reagent stability, RNA extraction quality, RT-qPCR linearity, and analytical sensitivity and specificity), accuracy and precision, and reproducibility between laboratories. …”
    Get full text
    Article
  13. 913

    An Optimized Adsorbent Sampling Combined to Thermal Desorption GC-MS Method for Trimethylsilanol in Industrial Environments by Jae Hwan Lee, Chunrong Jia, Yong Doo Kim, Hong Hyun Kim, Tien Thang Pham, Young Seok Choi, Young Un Seo, Ike Woo Lee

    Published 2012-01-01
    “…The optimized method demonstrated high recovery (87%), satisfactory precision (<15% for spiked amounts exceeding 1 ng), good linearity (R2=0.9999), a wide dynamic mass range (up to 500 ng), low method detection limit (2.8 ng m−3 for a 20-L sample), and negligible losses for 3-4-day storage. …”
    Get full text
    Article
  14. 914

    Relationship Between the Nasopharyngeal Swab Sampling Method, Nasal Obstruction, and SARS-Cov-2 Positivity by Dogan Cakan, Zeliha Kubra Cakan, Semih Usaklioglu, Yetkin Zeki Yilmaz, Omer Uysal, Hasan Ahmet Ozdogan

    Published 2022-09-01
    “…In this context, we investigated the effect of the nasopharyngeal swab sampling method and the presence of nasal obstruction on the detection of severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2).Methods:This prospective clinical study was conducted from March 2021 to January 2022. …”
    Get full text
    Article
  15. 915

    Survey of bioaerosols type and concentration in the ambient air of hospitals in Damghan, Iran by A Dehdashti, N Sahranavard, R Rostami, A Barkhordari, Z Banayi

    Published 2012-12-01
    “…Methods: This was a cross-sectional study carried out in 1390. Air samples were collected using bioaerosol sampling pumps and Sabro dextrose agar and Chapman agar plates. …”
    Get full text
    Article
  16. 916

    Evaluation of sampling methods of Diaphorina citri Kuwayama (Hemiptera: Liviidae) in two citrus growing areas by Lumey Perez-Artiles, José Mauricio Montes Rodríguez, Madeleyne Parra-Fuentes, Carlos Esteban Brochero-Bustamante, Juan Felipe Ossa-Yepes, Luisa Fernanda Guzmán-Sánchez

    Published 2024-11-01
    “…For immature sampling, vegetative shoots were checked. The results demonstrate that the population density at the time of sampling affects the effectiveness and sensitivity of the sampling methods. …”
    Get full text
    Article
  17. 917

    Adrenal and Hepatic Venous Sampling in a Case of Aldosterone-Producing Adrenocortical Carcinoma with Hepatic Metastasis by Toru Sugiyama, Yuriko Sasahara, Hironobu Sasano, Eri Hayakawa

    Published 2021-01-01
    “…The case suggests that hepatic venous sampling is unable to detect aldosterone production from liver metastases arising from ACC.…”
    Get full text
    Article
  18. 918

    Development of an Analytical Method for the Determination of Cymoxanil in Potato Flour Samples by High Performance Liquid Chromatography by Tuğçe Unutkan Gösterişli

    Published 2023-10-01
    “…Under the optimal conditions, the limits of detection and quantification (LOD and LOQ) were found as 7.4 – 24.8 µg kg-1, which allows trace determination of pesticides in food samples. …”
    Get full text
    Article
  19. 919

    Optimized Sample Preparation for Tandem Capillary Electrophoresis Single-Stranded Conformational Polymorphism/Heteroduplex Analysis by Igor V. Kourkine, Christa N. Hestekin, Soffia O. Magnusdottir, Annelise E. Barron

    Published 2002-08-01
    “…Here we describe DNA sample preparation methods that allow the rapid, simultaneous generation of both single-stranded conformational polymorphism (SSCP) and heteroduplex DNA elements from a single sample in a single tube, which are suitable for direct injection into a capillary electrophoresis (CE) instrument with excellent sensitivity of genetic mutation detection. …”
    Get full text
    Article
  20. 920