Showing 141 - 160 results of 22,558 for search 'detection sampling', query time: 0.19s Refine Results
  1. 141

    A sensitive sample preparation pipeline for adventitious virus detection using Oxford Nanopore sequencing by Emmanuel K. Tsinda, Charles A. Swofford, James P.B. Strutt, José Sangerman, Raeuf Roushangar, Alexander Li, Lara M. Gomez, Aidan N. Bousquet, Caleb Neufeld, Jacqueline M. Wolfrum, Jongyoon Han, Rohan B.H. Williams, Anthony J. Sinskey, Paul W. Barone, Stacy L. Springs

    Published 2025-06-01
    “…To address this, we have developed a sensitive sample preparation workflow using concentration, nuclease treatment, and agnostic PCR methods to eliminate background signals and amplify viral contaminant reads, leading to a 3-log improvement in the limit of detection that is comparable to or better than short-read sequencing approaches. …”
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  2. 142

    Evaluating the Efficacy of a Polymerase Chain Reaction Assay for Pneumocystis carinii Detection in Respiratory Samples by Sonu Kumari Agarwal, Harendra Kumar Thakur, Bansidhar Tarai

    Published 2024-12-01
    “…In this study, sputum and bronchoalveolar lavage (BAL) samples were proceeded for both staining and PCR for multi-copy mtLSU gene and single-copy dihydropteroate synthase polymorphisms (DHPS) fas gene of P. jirovecii. …”
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  3. 143

    Enzyme Inhibition-Mediated Distance-Based Paper Biosensor for Organophosphate Pesticide Detection in Food Samples by Yulin Liu, Longzhan Dong, Qiognzheng Hu, Jingbo Chen, Mashooq Khan

    Published 2025-04-01
    “…This highlights the need to monitor OPs in food and environmental samples. This study introduces an enzyme inhibition-mediated distance-based paper (EIDP) biosensor designed for naked-eye visual detection of OPs in food samples. …”
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  4. 144
  5. 145

    Association of Molecular Detections of Microsporidia in Stool Samples with Clinical and Immunological Parameters in Ghanaian HIV Patients by Hagen Frickmann, Fred Stephen Sarfo, Betty Roberta Norman, Albert Dompreh, Shadrack Osei Asibey, Richard Boateng, Edmund Osei Kuffour, Konstantin Tanida, Veronica Di Cristanziano, Torsten Feldt, Kirsten Alexandra Eberhardt

    Published 2024-11-01
    “…Although the etiological relevance of the detection of microsporidia in human stool samples remains uncertain, the immunological status of patients has been posited as an important determinant of potential clinical impact of these parasites. …”
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  6. 146

    Detection of human herpesvirus 7 in conjunctival samples collected from individuals recovering from conjunctivitis by Andrew T.E. Hartwick, Christina E. Morettin, Jennifer S. Harthan, Meredith Whiteside, Ellen Shorter, Spencer D. Johnson, Mary K. Migneco, Christian K. Olson, Julia B. Huecker, Tammy Than, Mae O. Gordon

    Published 2025-08-01
    “…None of the samples tested positive for HSV-1, HSV-2, HHV-6A or HHV-6B.ConclusionThis data provides further evidence that Human Herpesvirus 7 can be present in the eye, as HHV-7 was detected in a subset of conjunctival samples obtained from individuals recovering from non-adenoviral conjunctivitis. …”
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  7. 147
  8. 148

    In-House Immunoglobulin Y-Based Immunoassay for Detecting Benzo[a]pyrene in Grilled Pork Samples by Peerapong Jeeno, Sumed Yadoung, Marninphan Thongkham, Pichamon Yana, Udomsap Jaitham, Sakaewan Ounjaijean, Zhen-Lin Xu, Korawan Sringarm, Surat Hongsibsong

    Published 2024-12-01
    “…The objective of this study is to create an immunoassay for the detection of benzo[a]pyrene utilizing immunoglobulin Y antibodies. …”
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  9. 149

    Detecting Long-Term Spatiotemporal Dynamics of Urban Green Spaces with Training Sample Migration Method by Mengyao Wang, Pan Li, Chunyu Wang, Wei Chen, Zhongen Niu, Na Zeng, Xingxing Han, Xinchao Sun

    Published 2025-04-01
    “…UGSs coverage in sample areas increased from 5% to 38%, resulting in more reliable trend detection. …”
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  10. 150

    Development of A Real-Time PCR Assay for Plasmodiophora brassicae and Its Detection in Soil Samples by Jin-ping LI, Yan LI, Yan-xia SHI, Xue-wen XIE, Chai A-li, Bao-ju LI

    Published 2013-10-01
    “…Naturally and artificially infested soil samples containing different concentrations of P. brassicae were detected. …”
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  11. 151

    Human papillomavirus DNA detection in cervical samples from women of reproductive age in Mogadishu, Somalia by Bashiru Garba, Maryan A Sh Nur, Maryam Adawe, Mohamed H Adam, Jamal H Mohamoud, Hassan A Dahie, Mohamed M Ahmed, Abdirahman K Mohamud, Sadio A Mohamed, Fartun AH Orey, Jihaan Hassan, Hodo A Asowe, Najib I Dirie

    Published 2024-11-01
    “…Results: Overall, 31.7% (60/189) of cervical samples were positive for HPV DNA. Out of this, 19.6% were high risk-HPV (hrHPV), 13.8% were HPV16, and 5.3% were HPV18. …”
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  12. 152

    Detection and Profiling of Antibiotic Resistance among Culturable Bacterial Isolates in Vended Food and Soil Samples by Susan W. Muriuki, Johnstone O. Neondo, Nancy L. M. Budambula

    Published 2020-01-01
    “…This study aimed at detecting and profiling antibiotic resistance of bacterial contaminants in vended food and the environment. …”
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  13. 153

    How, What, and Where You Sample Environmental DNA Affects Diversity Estimates and Species Detection by Anish Kirtane, Leif Howard, Caitlin E. Beaver, Margaret E. Hunter, Gordon Luikart, Kristy Deiner

    Published 2024-11-01
    “…In comparison, the beta diversity of plant eDNA was less impacted by the sampling method. We found no clear difference in detection for the invasive species targets based on the eDNA sampling method. …”
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  14. 154

    Methods for the detection of tumor-specific single nucleotide somatic mutations in plasma cDNA samples by L. M. Dyakov, O. M. Krivtsova, P. A. Khesina, I. F. Kustova, N. A. Dyakova, N. S. Muge, N. E. Kudashkin, Yu. I. Patyutko, N. L. Lazarevich

    Published 2022-10-01
    “…We used normal and tumor tissue, as well as blood plasma samples from patients with hepatocellular carcinoma, and various methods for detecting single-nucleotide somatic mutations: real-time polymerase chain reaction (PCR) with intercalating dye or with TaqMan probes, droplet digital PCR and high-throughput sequencing of target amplicons.Results. …”
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  15. 155

    A novel electrochemical immunosensor based on biomaterials for detecting carcinoembryonic antigen biomarker in serum samples by Sajedeh Sobhanparast, Payam Shahbazi-Derakhshi, Jafar Soleymani, Amir Amiri-Sadeghan, Alireza Herischi, Nader Chaparzadeh, Younes Aftabi

    Published 2025-07-01
    “…The results highlight the potential clinical applicability of this electrochemical immunosensor for detecting CEA levels in human serum samples.…”
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  16. 156

    Iron pyrite nanocrystals as a sustainable nanozyme for colorimetric detection of ceftriaxone sodium in environmental samples by Seyyed Morteza Seyyed Alavi, Mohammad Amjadi, Jamshid L. Manzoori

    Published 2025-07-01
    “…Applicability of these sensors was studied for analysis of various water samples, demonstrating their great potential for real analytical applications.…”
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  17. 157

    Detection Of Shiga Toxin Genes Presence in Escherichia coli Isolated from Chicken Fecal Samples by Sura J. Mohammed, Ali Iedani

    Published 2024-12-01
    “…The results of this technique indicated that 84 (77%) of them were Escherichia coli found in the examined samples. All isolates were undergone a polymerase chain reaction to detect Shiga-toxins genes (stx1, stx2). …”
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  18. 158

    Comparing sputum, nasopharyngeal swabs, and combined samples for respiratory bacterial detection using multiplex PCR by Keun Ju Kim, Seung Gyu Yun, Myung-Hyun Nam, Chang Kyu Lee, Yunjung Cho

    Published 2025-03-01
    “…Multiplex quantitative PCR (qPCR) is commonly used for pathogen detection in respiratory samples. However, the optimal specimen selection for detecting bacterial pathogens is not well-explored. …”
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  19. 159

    Spectrophotometric and cloud point extraction methods to detect Quercetin Dihydrate in supplement formulations and urine samples by Sadeem Subhi Abed, Mayasa Mansour Mohammed

    Published 2024-10-01
    “… The accurate detection and quantification of quercetin dihydrate (QRC) are vital for quality control, pharmacokinetic studies, and bioavailability assessments in pharmaceutical and biological samples. …”
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  20. 160

    Simultaneous Determination of Dexamethasone, Ondansetron, Granisetron, Tropisetron, and Azasetron in Infusion Samples by HPLC with DAD Detection by Fu-chao Chen, Lin-hai Wang, Jun Guo, Xiao-ya Shi, Bao-xia Fang

    Published 2017-01-01
    “…A simple and rapid high-performance liquid chromatography with diode array detector (HPLC-DAD) method has been developed and validated for simultaneous quantification of five antiemetic agents in infusion samples: dexamethasone, ondansetron, granisetron, tropisetron, and azasetron. …”
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