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Videos de Conceptos Relacionados

Microbial Growth Measurement: Indirect Methods01:27

Microbial Growth Measurement: Indirect Methods

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Estimating microbial growth is essential for understanding population dynamics and environmental adaptations. Indirect methods provide valuable insights by measuring parameters such as turbidity, metabolic activity, and biomass, enabling efficient and reproducible assessments.During exponential growth, microbial cells scatter light proportionally to their biomass, a principle used in turbidity measurements. About one million cells per milliliter produce detectable scattering, which a...
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Mechanistic Models: Compartment Models in Individual and Population Analysis01:23

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Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
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One-Compartment Open Model: Wagner-Nelson and Loo Riegelman Method for ka Estimation01:24

One-Compartment Open Model: Wagner-Nelson and Loo Riegelman Method for ka Estimation

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This lesson introduces two critical methods in pharmacokinetics, the Wagner-Nelson and Loo-Riegelman methods, used for estimating the absorption rate constant (ka) for drugs administered via non-intravenous routes. The Wagner-Nelson method relates ka to the plasma concentration derived from the slope of a semilog percent unabsorbed time plot. However, it is limited to drugs with one-compartment kinetics and can be impacted by factors like gastrointestinal motility or enzymatic degradation.
On...
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Microbial Growth Measurement: Direct Methods01:23

Microbial Growth Measurement: Direct Methods

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Direct methods for measuring microbial populations in a culture are essential tools in microbiology, providing quantitative data for various applications. Among these, microscopic counts, plate counts, and serial dilution are widely used techniques, each with unique principles and applications.Microscopic CountsMicroscopic counting involves the use of a Petroff-Hausser chamber, a specialized microscope slide with a grid and defined depth. By observing a liquid culture under a microscope,...
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Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving01:29

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Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
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Methods for Controlling Microbial Growth01:29

Methods for Controlling Microbial Growth

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Microbial growth control refers to various methods employed to inhibit, reduce, or eliminate microorganisms to ensure safety and hygiene across different settings. These methods are categorized based on the target environment and the level of microbial control required.Biocides are versatile agents designed to control microorganisms by either inhibiting their growth or outright killing them. These agents work through various physical, chemical, mechanical, or biological mechanisms. The...
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Generating Controlled, Dynamic Chemical Landscapes to Study Microbial Behavior
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Corrección: Cuantificación de interacciones microbianas basada en datos composicionales mediante un enfoque iterativo

Fengzhu Sun, Yue Huang, Tianqi Tang

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    PubMed
    Resumen
    Este resumen es generado por máquina.

    Este estudio corrige un artículo DOI anterior. El DOI corregido es 10.1371/journal.pcbi.1013133, lo que garantiza una citación precisa y el acceso a los hallazgos de la investigación.

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    Área de la Ciencia:

    • Publicación científica
    • Comunicación académica

    Sus antecedentes:

    • Garantizar la precisión de la literatura científica es crucial.
    • La citación adecuada facilita la reproducibilidad y la verificación de la investigación.

    Objetivo del estudio:

    • Corregir un error en el Identificador de Objeto Digital (DOI) de un artículo publicado anteriormente.
    • Proporcionar el DOI preciso para un acceso sin problemas a los hallazgos de la investigación.

    Principales métodos:

    • Identificación del DOI incorrecto en la publicación original.
    • Emisión de un aviso de corrección con el DOI correcto.

    Principales resultados:

    • Se ha corregido el Identificador de Objeto Digital (DOI) del artículo.
    • El DOI preciso ya está disponible para los investigadores.

    Conclusiones:

    • Los DOI precisos son esenciales para mantener la integridad de los registros científicos.
    • Esta corrección garantiza que los lectores puedan acceder al artículo de investigación previsto sin impedimentos.