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Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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While deriving the Doppler formula for the observed frequency of a sound wave, it is assumed that the speed of sound in the medium is greater than the source's speed through it. When this condition is breached, a shock wave occurs.
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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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The specific heat capacity of a substance refers to the energy required to increase the temperature of one gram of that substance by one degree Celcius. Specific heat capacity is often represented in calories (cal), grams (g), and degrees Celsius (oC), but can also be expressed in joules (J), kilograms (kg), and Kelvin (K), among other units.
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Heat is a type of energy transfer that is caused by a temperature difference, and it can change the temperature of an object. Since heat is a form of energy, its SI unit is the joule (J). Another common unit of energy often used for heat is the calorie (cal), which is defined as the energy needed to change the temperature of 1 g of water by 1 °C, specifically between 14.5 °C and 15.5 °C, since the energy needed shows a slight temperature dependence. Another commonly used unit is...
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When a substance—isolated from its environment—is subjected to heat changes, corresponding changes in temperature and phase of the substance is observed; this is graphically represented by heating and cooling curves.
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Related Experiment Video

Updated: Jan 26, 2026

Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients
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Heat shock proteins and psoriasis.

Wen-Ming Wang1, Hong-Zhong Jin1

  • 1Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.

European Journal of Dermatology : EJD
|April 19, 2019
PubMed
Summary
This summary is machine-generated.

Stress can worsen psoriasis, a chronic skin condition. Heat shock proteins (HSPs) are key to cellular health and may be involved in psoriasis development and inflammation, offering potential therapeutic targets.

Keywords:
heat shock proteinsmicrobeprotein foldingpsoriasis

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Area of Science:

  • Dermatology and Molecular Biology

Background:

  • Psoriasis is a chronic, disfiguring skin condition often triggered or worsened by stress.
  • Heat shock proteins (HSPs) are crucial molecular chaperones involved in protein folding and cellular homeostasis.
  • HSPs play significant roles in inflammatory and immune responses.

Purpose of the Study:

  • To review the current evidence on the roles of HSPs in psoriasis.
  • To elucidate the molecular mechanisms by which HSPs contribute to psoriasis occurrence and progression.

Main Methods:

  • Literature review of studies investigating HSPs and psoriasis.
  • Analysis of molecular mechanisms linking HSPs to inflammatory pathways in psoriasis.

Main Results:

  • HSPs are implicated in the pathogenesis of psoriasis.
  • Specific HSPs are involved in regulating inflammation and immune reactions relevant to psoriasis.
  • HSPs represent potential therapeutic targets for managing psoriasis.

Conclusions:

  • HSPs play a multifaceted role in the development and exacerbation of psoriasis.
  • Understanding HSP mechanisms provides insights into psoriasis pathogenesis.
  • Targeting HSPs may offer novel therapeutic strategies for psoriasis treatment.