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Membrane-enclosed structures called vesicles transport proteins and lipids across the cell. The vesicles derive their cargo from the plasma membrane, Golgi, ER, or endosome. Coated vesicles are spherical, protein-coated carriers with a 50–100 nm diameter that mediate bidirectional transport between the ER and the Golgi. The distribution of proteins between the ER and Golgi complex is dynamic and is maintained by different coated vesicles. Their formation is driven by the assembly of...
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Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
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Body temperature reflects the equilibrium between heat production and heat loss within the body. Most heat is generated by metabolically active tissues, particularly the liver, heart, brain, kidneys, and endocrine organs. At rest, skeletal muscles contribute 20–30% of total heat production, but during vigorous exercise, this can increase up to 30–40 times.
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Coating evaluation methodology for low-temperature thermographic application.

Petra Honnerová1, Zdeněk Veselý2, Jiří Matějíček3

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This study introduces a methodology to evaluate coatings for infrared thermography, ensuring accurate non-contact temperature measurements. The developed criteria help identify reliable reference coatings for infrared camera systems.

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Area of Science:

  • Thermophysics
  • Materials Science
  • Optical Engineering

Background:

  • Non-contact temperature measurement using infrared camera systems is crucial for surface temperature distribution analysis.
  • Measurement accuracy is influenced by factors like surface emissivity, distance, and atmospheric transmissivity.
  • Modifying surfaces with reference coatings can mitigate emissivity effects and enhance measurement accuracy.

Purpose of the Study:

  • To present an evaluation methodology for coatings intended for use as references in infrared thermography.
  • To establish criteria for designating coatings as suitable reference thermographic materials.
  • To analyze coating properties relevant to their performance as reference standards.

Main Methods:

  • Assessing coating properties including spectral/band transmissivity and emissivity.
  • Evaluating temperature and time stability of photo-thermal properties.
  • Ensuring a satisfactory coating deposition process.
  • Analyzing effective emissivity, thermal conductivity, and thickness of coating samples.

Main Results:

  • The methodology provides a framework for analyzing and evaluating reference thermographic coatings.
  • Key coating properties influencing their suitability as references were identified.
  • An example application demonstrated the methodology's utility in assessing a specific coating.

Conclusions:

  • The developed methodology enables the designation of coatings as reliable references for infrared thermography.
  • Accurate non-contact temperature measurements depend on appropriate reference coatings and measurement parameters.
  • The study provides a foundation for selecting and utilizing reference coatings in thermographic applications.