Mostrando 68,481 - 68,500 Resultados de 70,132 Para Buscar '"Mathematics"', tiempo de consulta: 0.47s Limitar resultados
  1. 68481
    “…To link in vitro catalytic rates with nuclear methylation dynamics, we built a mathematical model incorporating measured kinetic parameters and a time course of mass spectrometry-based H3K9 methylation measurements following cellular SAM depletion. …”
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  2. 68482
    por Shuster, Jonathan J.
    Publicado 2023
    “…BACKGROUND: A peer-reviewed meta-analysis methods article mathematically proved that mainstream random-effects methods, “weights inversely proportional to the estimated variance,” are flawed and can lead to faulty public health recommendations. …”
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  3. 68483
    “…In addition, binary logistic regression analysis was used to generate a mathematical model with morphokinetic variables that allow the best prediction of in vitro viability. …”
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  4. 68484
    “…METHODS: The DSC-MRI quantification tool, developed as a Python project, performs the basic mathematical steps to generate the parametric maps: cerebral blood flow (CBF), cerebral blood volume (CBV), mean transit time (MTT), signal recovery (SR), and percentage signal recovery (PSR). …”
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  5. 68485
    “…We first developed a mathematical model that recapitulate the observed dynamics, and we found that the best model describing the data assumed a rapid antigen-dependent stimulation of the immune response leading to a rapid reduction of viral infectivity. …”
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  6. 68486
    por Gebicke-Haerter, Peter J.
    Publicado 2023
    “…Therefore, we think it is timely to compare mathematical models with the biology of computation in the brain. …”
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  7. 68487
  8. 68488
    “…The projection of case numbers for the following 5 years (2021–2025) was estimated using linear/non-linear regression analysis and presented as a mathematical function. The significance of the trend slope was measured using an ANOVA test. …”
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  9. 68489
    “…Q(max) was inversely proportional to Ig solution viscosity and Q(max) for solutions co-formulated with 5000 U/mL rHuPH20 was approximately double that of 2000 U/mL rHuPH20 solutions. Mathematical simulation of a hypothetical 800 mg Ig dose co-formulated with rHuPH20 showed that delivery times <30 s could be achieved across a broad range of concentrations. …”
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  10. 68490
    “…BACKGROUND: With the global spread of COVID-19, detecting high-risk countries/regions timely and dynamically is essential; therefore, we sought to develop automatic, quantitative and scalable analysis methods to observe and estimate COVID-19 spread worldwide and further generate reliable and timely decision-making support for public health management using a comprehensive modeling method based on multiple mathematical models. METHODS: We collected global COVID-19 epidemic data reported from January 23 to September 30, 2020, to observe and estimate its possible spread trends. …”
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  11. 68491
    “…Rapid laboratory diagnosis, evaluation of serological techniques, and virus isolation are urgently needed, along with newer modalities such as mathematical modeling as prediction devices to curb this issue. …”
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  12. 68492
    “…The contrast sensitivity function (CSF), which describes the rates of visual contrast sensitivity through the changing of spatial frequencies, is used mathematically to characterize the human visual system (HVS). …”
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  13. 68493
  14. 68494
    por Savageau, Michael A.
    Publicado 2023
    “…It provides a quantitative theory whose key features include (1) a mathematically rigorous definition of phenotype based on biochemical kinetics, (2) enumeration of the full phenotypic repertoire, and (3) functional characterization of each phenotype independent of its context-dependent selection or fitness contributions. …”
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  15. 68495
    “…In the machine learning network, a suitable and explainable mathematical formula for kidney contours is denoted by basic parameters. …”
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  16. 68496
    “…When dealing with nonlinear physical systems, it has been suggested that resonance can be induced not only by adding stochastic signals (i.e., noise) but also by adding a large class of signals that are not stochastic in nature that cause “deterministic amplitude resonance” (DAR). Here, we mathematically show that high-frequency, deterministic, periodic signals can yield resonance-like effects with linear transfer and infinite signal-to-noise ratio at the output. …”
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  17. 68497
    “…. • This protocol helps in mathematical calculation of the percent colonization or efficiency of colonization. • This protocol utilizes readily available laboratory equipment, including a light microscope, autoclave, and laminar flow hood, ensuring ease of reproducibility in other research laboratories.…”
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  18. 68498
    “…Moreover, creeping flow and long wavelength assumptions are used to simplify the mathematical modelling. The reduced system of equation is solved numerically through built-in technique in Mathematica software. …”
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  19. 68499
    por Yiğit, Fatih
    Publicado 2023
    “…The proposed novel approach uses the centre of gravity method of Polygonal Interval Type-2 Fuzzy sets for defuzzification, which is a computationally efficient method that can handle any shape of the footprint of uncertainty. A mathematical model is developed to validate fuzzy opinions that may replace historical data. …”
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  20. 68500
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