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Related Concept Videos

Physical Methods for Controlling Microbial Growth: Temperature01:23

Physical Methods for Controlling Microbial Growth: Temperature

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Heat is a widely used method to control microbial growth by targeting and denaturing cellular proteins, thereby killing or inactivating microbes. This method's effectiveness is quantified using parameters such as the thermal death point (TDP), thermal death time (TDT), and decimal reduction time (D value). TDP represents the lowest temperature at which all microorganisms in a liquid suspension are eliminated within 10 minutes, whereas TDT is the time necessary to achieve sterilization at a...
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The Arrhenius equation,
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Quantifying Heat02:46

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Thermal Energy Microscopically, thermal energy is the kinetic energy associated with the random motion of atoms and molecules. Temperature is a quantitative measure of “hot” or “cold”, which depends on the amount of thermal energy. When the atoms and molecules in an object are moving or vibrating quickly, they have a higher average kinetic energy (KE) (or higher thermal energy), and the object is perceived as “hot”, or it is described as being at a higher temperature. When the...
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Effects of Temperature on Free Energy02:11

Effects of Temperature on Free Energy

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The spontaneity of a process depends upon the temperature of the system. Phase transitions, for example, will proceed spontaneously in one direction or the other depending upon the temperature of the substance in question. Likewise, some chemical reactions can also exhibit temperature-dependent spontaneities. To illustrate this concept, the equation relating free energy change to the enthalpy and entropy changes for the process is considered:
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Mechanism of heat transfer01:19

Mechanism of heat transfer

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Understanding heat transfer mechanisms is essential for understanding how our bodies maintain balance in different environmental conditions. When the environment is thermoneutral, the body is in a state of balance, neither using nor releasing energy to maintain its core temperature. However, when the environment is not thermoneutral, the body employs four heat transfer mechanisms to maintain homeostasis: conduction, convection, evaporation, and radiation. These mechanisms facilitate heat...
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Factors Affecting Body Temperature01:28

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As a nurse, it is vital to understand the factors affecting body temperature to monitor variations and effectively evaluate deviations from regular.
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Updated: Dec 24, 2025

Determining Viral Disinfection Efficacy of Hot Water Laundering
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Will heat kill the coronavirus?

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    New Scientist (1971)
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    Summary
    This summary is machine-generated.

    The impact of seasonal changes on the current outbreak remains uncertain. Further research is needed to determine if seasonality will influence the spread of the disease.

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    Area of Science:

    • Epidemiology
    • Public Health

    Background:

    • The current outbreak poses a significant global health challenge.
    • Understanding factors influencing disease transmission is crucial for control.

    Purpose of the Study:

    • To investigate the potential role of seasonal variations in mitigating the ongoing outbreak.
    • To assess the predictability of outbreak trajectory based on seasonal patterns.

    Main Methods:

    • Analysis of historical outbreak data in relation to seasonal cycles.
    • Epidemiological modeling incorporating seasonal parameters.

    Main Results:

    • Current data does not provide conclusive evidence on the effect of changing seasons.
    • The influence of seasonality on the outbreak's trajectory is yet to be determined.

    Conclusions:

    • The effect of seasonal changes on the outbreak's progression is currently unknown.
    • Predicting the outbreak's future course requires more data and analysis regarding seasonal impacts.