Related Experiment Video

Updated: May 2, 2026

A Simple Approach to Manipulate Dissolved Oxygen for Animal Behavior Observations
06:20

A Simple Approach to Manipulate Dissolved Oxygen for Animal Behavior Observations

Published on: June 28, 2016

8.9K

Dissolved oxygen regulation by logarithmic/antilogarithmic control to improve a wastewater treatment process

Victor R Flores, Edgar N Sanchez, Jean-François Béteau

    Environmental Technology
    |March 13, 2014
    PubMed

    More Related Videos

    Operation of Laboratory Photobioreactors with Online Growth Measurements and Customizable Light Regimes05:21

    Operation of Laboratory Photobioreactors with Online Growth Measurements and Customizable Light Regimes

    Published on: October 28, 2021

    4.1K
    A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities08:13

    A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities

    Published on: December 25, 2015

    16.8K

    Related Concept Videos

    Bioreactor Controls-II01:18

    Bioreactor Controls-II

    In aerobic fermentations, oxygen is vital for microbial growth and metabolite production. Since air comprises only about 20% oxygen and the gas is poorly soluble in water—just 9 ppm at 20°C—supplying sufficient oxygen becomes a critical challenge, especially in high-demand processes like yeast growth or citric acid production. Even a fully saturated broth may offer only a few seconds of oxygen availability.To address this, sterile or scrubbed air is introduced into the...
    76
    Bioreactor Controls-I01:28

    Bioreactor Controls-I

    Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly...
    94
    Applications of Logarithms01:28

    Applications of Logarithms

    Logarithmic functions are powerful tools for simplifying the mathematical representation of phenomena involving exponential changes. Their ability to convert multiplicative relationships into additive ones is especially valuable in various scientific and engineering contexts. One notable application of logarithms is measuring sound intensity, specifically through the decibel (dB) scale used in acoustics.Sound intensity levels vary over an extensive range, from the faintest audible whisper to...
    527
    Bioreactor Design and Operational System01:29

    Bioreactor Design and Operational System

    Bioreactors are engineered vessels designed to cultivate microorganisms under controlled conditions for industrial bioprocessing. They maintain sterility and allow precise regulation of pH, temperature, oxygen, and nutrient levels to optimize microbial growth and metabolite production. Bioreactors range from small laboratory units of 1 liter to industrial systems holding up to 500,000 liters, though only about 75% of their volume is actively used for fermentation. The remaining headspace...
    200
    Exponential Equations with Logarithms: Problem Solving01:29

    Exponential Equations with Logarithms: Problem Solving

    In ecological studies, exponential models are often used to predict how populations grow over time under favorable conditions. These models assume that the growth rate is proportional to the current population, leading to continuous and compounding increases.The model expresses the population as a function of time, combining the initial population with a growth factor raised to an exponent involving the growth rate and time. To estimate how long it takes for a population to reach a specific...
    271
    Laws of Logarithms I01:30

    Laws of Logarithms I

    Logarithms are fundamental mathematical operations that serve as the inverse of exponentiation. They provide a means to express how many times a base must be raised to yield a given number. For base 10, often referred to as the common logarithm, the notation is written simply as log. Thus, if 10n = x, then log⁡(x) = n. This relationship makes logarithms especially valuable in simplifying complex calculations involving multiplication, division, and exponentiation.Logarithmic expressions...
    490