Showing 861 - 880 results of 22,558 for search 'detection sampling', query time: 0.15s Refine Results
  1. 861

    Temporal point-by-point arbitrary waveform synthesis beyond tera sample per second by Yiran Guan, Guangying Wang, Yanyan Zhi, Jingxu Chen, Lingzhi Li, Jiejun Zhang, Jianping Yao

    Published 2025-03-01
    “…The experiment demonstrates generated waveforms with ultra-high, tunable sampling rate up to 1 TSa/s, an order of magnitude higher than state-of-the-art electronic counterparts. …”
    Get full text
    Article
  2. 862

    Identification of short-stem gene Rht-B1 in the winter soft wheat samples by N. T. Kupreyshvily, N. N. Vozhzhova, D. M. Marchenko, E. V. Ionova

    Published 2020-01-01
    “…There were identified 7 winter soft wheat samples with the Rht-B1a allele, such as “Grom”, “Kraplina”, “Stepovichka”, etc. and 13 winter soft wheat samples with the Rht-B1b (Rht1) allele, such as “1765/13”, “1816/15”, “GK Margit”, etc. …”
    Get full text
    Article
  3. 863

    Use of bovine serum albumin might impair immunofluorescence signal in thick tissue samples by Anna Chwastowicz, Artur Wolny, Magdalena Sobień, Marcin Barański, Jacek Tomczuk, Michał Szatkowski, Aleksandra Szredzka, Jakub Gołąb, Leszek Kaczmarek, Marzena Stefaniuk, Paweł Matryba

    Published 2025-07-01
    “…However, achieving high-quality imaging depends not only on the transparency of the tissue preparation but also on precise immunofluorescence labeling to ensure accurate signal detection and reliable study outcomes. In this study, we evaluated whether various reagents that are typically applied during the tissue blocking step prior to immunofluorescence staining affect the quality of the obtained image in thick and optically cleared samples. …”
    Get full text
    Article
  4. 864

    The Prevalence of Supernumerary Teeth in a Sample of Non-Syndromic Young Patients from Greece by Nefeli Katanaki, Miltiadis A. Makrygiannakis, Eleftherios G. Kaklamanos

    Published 2025-07-01
    “…This study aimed to investigate the prevalence and distribution of supernumerary teeth in a sample of children and adolescents from the island of Lesvos, Greece. …”
    Get full text
    Article
  5. 865

    Quantification of lactate enantiomers in human sweat samples using two-dimensional liquid chromatography by Kazushi Mori, Makoto Tsunoda

    Published 2025-11-01
    “…Sweat has recently been recognized as a novel biological alternative to blood because it can be sampled non-invasively. Therefore, in this study, heart-cutting two-dimensional liquid chromatography (2D-LC) using a highly sensitive fluorescence detection method was developed for the analysis of LA enantiomers in small amounts of human sweat. …”
    Get full text
    Article
  6. 866

    A Paper-Based Assay for the Determination of Total Antioxidant Capacity in Human Serum Samples by Michelle T. Tran, Sophia V. Gomez, Vera Alenicheva, Vincent T. Remcho

    Published 2024-11-01
    “…There was a 0.04 mM difference in TAC values between the two platforms, well within one standard deviation of a standard solution-based assay conducted on an aliquot of the same serum sample (±0.25 mM). The µPAD had a limit of detection (LOD) of 0.20 mM, well below the TAC of normal human serum. …”
    Get full text
    Article
  7. 867

    Comparison of PCR with standard culture of fine needle aspiration samples in the diagnosis of tuberculosis lymphadenitis by Yohannes Derese, Elena Hailu, Tekalign Assefa, Yonas Bekele, Adane Mihret, Abraham Aseffa, Jemal Hussien, Ibrahim Ali, Markos Abebe

    Published 2011-11-01
    “…In this study, out of 50 culture-positive samples, 21 (42%) were positive by PCR while 8 (10.8%) out of 74 culture-negative samples were positive by PCR. …”
    Get full text
    Article
  8. 868

    Continuous-flow electron spin resonance microfluidics device with sub-nanoliter sample volume by Oleg Zgadzai, Nir Almog, Yefim Varshavsky, Moamen Jbara, Benoit Driesschaert, Aharon Blank

    Published 2025-09-01
    “…This paper presents a novel continuous-flow electron spin resonance (ESR) microfluidic device designed for both continuous-wave (CW) and pulsed ESR measurements on sub-nanoliter liquid samples. The system integrates a planar surface microresonator (ParPar type) operating at ∼9.4 GHz with a precision-fabricated quartz microfluidic chip, enabling spatial confinement of the sample within the resonator’s microwave magnetic field hotspot while minimizing dielectric losses. …”
    Get full text
    Article
  9. 869

    Impact of Sample Storage Time and Temperature on the Stability of Respiratory Viruses and Enteric Viruses in Wastewater by Judy Y. Qiu, Richardson Mah, Logan A. Brand, Xiaoli Pang, Melodie Barnett, Mathew Diggle, Graham Tipples

    Published 2024-11-01
    “…Freezing samples at −20 °C for even short periods is not recommended for WBS of respiratory viruses. …”
    Get full text
    Article
  10. 870
  11. 871
  12. 872

    Radio Afterglows from Tidal Disruption Events: An Unbiased Sample from ASKAP RACS by Akash Anumarlapudi, Dougal Dobie, David L. Kaplan, Tara Murphy, Assaf Horesh, Emil Lenc, Laura Driessen, Stefan W. Duchesne, Hannah Dykaar, B. M. Gaensler, Timothy J. Galvin, Joe Grundy, George Heald, Aidan W. Hotan, Minh Huynh, James K. Leung, David McConnell, Vanessa A. Moss, Joshua Pritchard, Wasim Raja, Kovi Rose, Gregory Sivakoff, Yuanming Wang, Ziteng Wang, Mark H. Wieringa, Matthew T. Whiting

    Published 2024-01-01
    “…Using all-sky multiepoch data from the Australian Square Kilometre Array Pathfinder (ASKAP), taken as a part of the Rapid ASKAP Continuum Survey (RACS), we searched for radio counterparts to a sample of optically discovered TDEs. We detected late-time emission at RACS frequencies (742–1032 MHz) in five TDEs, reporting the independent discovery of radio emission from TDE AT 2019ahk and extending the time baseline out to almost 3000 days for some events. …”
    Get full text
    Article
  13. 873

    Anaerobic bacteraemia - identification of Bacteroides and Phocaeicola in blood samples. Challenges in antimicrobial susceptibility testing by Marta Kierzkowska, Kinga Markowska, Jan Kownacki, Edyta Podsiadły, Anna Majewska

    Published 2025-06-01
    “…All the strains were susceptible to metronidazole, and the nim gene was not detected. The erm genes were detected in 24 % of the strains, all of which were phenotypically resistant to clindamycin.…”
    Get full text
    Article
  14. 874

    Sample size estimation for task-related functional MRI studies using Bayesian updating by Eduard T. Klapwijk, Joran Jongerling, Herbert Hoijtink, Eveline A. Crone

    Published 2025-01-01
    “…Task-related functional MRI (fMRI) studies need to be properly powered with an adequate sample size to reliably detect effects of interest. …”
    Get full text
    Article
  15. 875

    Identification of Entamoeba Species in Diarrheal Samples Using Sequence Analysis and Nested Multiplex PCR by Zuhair Mohammed Abed, Raghda Mahmood Hamad

    Published 2025-06-01
    “…In this study, neither E. moshkovskii nor E. dispar was detected. Sequence analysis of the partial 18S rRNA gene revealed that 0.9% of samples were positive for E. histolytica, while 2.8% were positive for E. coli. …”
    Get full text
    Article
  16. 876

    Isotopes ratio investigation in soil samples from 5-km ChNPP zone by M. V. Zheltonozhska

    Published 2009-12-01
    “…Isotope ratios of 134,137Сs and 154,155Eu were measured in the vertical profiles of the soils of 5-km nearest ChNPP zone and in the FCM samples from 4-th unit of the ChNPP. The increasing of the 134Сs (20 - 25%) in the first layers was detected in some vertical soil profiles. …”
    Get full text
    Article
  17. 877

    The method for identifying of inaccuracy causes in turning machining center by processing a sample part by D. A. Blokhin, A. G. Koltsov, Yu. A. Blokhina, M. M. Lakman

    Published 2021-06-01
    “…The article discusses the issues of the processing method of a turning machining center for processing the accuracy of processing a sample part. The model of sample part with the smallest possible control surfaces processed by various shaping methods has been developed to detect the amount of machine errors, such as the accumulated error of the screw pitch, or the axial non-perpendicularity, or the misalignment of the X and Y drives. …”
    Get full text
    Article
  18. 878

    Assessing data and sample complexity in unmanned aerial vehicle imagery for agricultural pattern classification by Linara Arslanova, Sören Hese, Marcel Fölsch, Friedemann Scheibler, Christiane Schmullius

    Published 2025-03-01
    “…The study also proposes a customized set of input layers for each crop type and identifies minimum patch sizes to enhance the efficiency of detecting specific agricultural patterns. It has been confirmed that to exploit texture information for classification (at smaller sample patch sizes < 120 pixels), Ground Sampling Distances (GSDs) between 0.027 m and 0.064 m (for RGB and CIR sensors of commercial drones, respectively) are suitable for capturing detailed patterns of Corn and Spring Barley. …”
    Get full text
    Article
  19. 879

    Prevalence and virulence of Vibrio parahaemolyticus isolated from clinical and environmental samples in Huzhou, China by Peng Zhang, Xiaofang Wu, Lei Ji, Wei Yan, Liping Chen, Zhonghao Lu, Deshun Xu, Yunfeng Zha, Dafang Xu, Fenfen Dong

    Published 2024-12-01
    “…Previous studies have shown that V. parahaemolyticus can be detected in both environmental and clinical samples. …”
    Get full text
    Article
  20. 880

    Viral metagenomics reveals diverse viruses in the fecal samples of children with acute respiratory infection by Pan Xu, Chunduo Pan, Minli Yuan, Ying Zhu, Shanjie Wei, Hongyan Lu, Wen Zhang

    Published 2025-04-01
    “…However, due to methodological limitations, our knowledge of the gut virome in patients with ARIs remains limited.MethodsIn this study, fecal samples from children with ARI were investigated using viral metagenomics.ResultsThe fecal virome was analyzed, and several suspected disease-causing viruses were identified. …”
    Get full text
    Article