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Related Concept Videos

Standing Waves01:17

Standing Waves

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Sometimes waves do not seem to move; rather, they just vibrate in place. Unmoving waves can be seen on the surface of a glass of milk kept in a refrigerator, which is one example of standing waves. Vibrations from the refrigerator motor create waves on the milk that oscillate up and down but do not seem to move across the surface. These waves are formed or created by the superposition of two or more identical moving waves in opposite directions. The waves move through each other, with their...
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Standing Electromagnetic Waves01:15

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Electromagnetic waves can be reflected; the surface of a conductor or a dielectric can act as a reflector. As electric and magnetic fields obey the superposition principle, so do electromagnetic waves. The superposition of an incident wave and a reflected electromagnetic wave produces a standing wave analogous to the standing waves created on a stretched string.
Suppose a sheet of a perfect conductor is placed in the yz-plane, and a linearly polarized electromagnetic wave traveling in the...
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Standing Waves in a Cavity01:28

Standing Waves in a Cavity

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A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
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Modes of Standing Waves: II01:04

Modes of Standing Waves: II

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The starting point for expressing the modes of standing waves is understanding the boundary conditions that the waves must follow. The boundary conditions are derived from the physical understanding of how the standing waves are sustained, that is, how the vibrating particles of the medium behave at the boundaries imposed on them.
For a tube open at one end and closed at the other filled with air, the modes are such that there is always an antinode at the open end and a node at the closed end....
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Modes of Standing Waves - I01:03

Modes of Standing Waves - I

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A close look at earthquakes provides evidence for the conditions appropriate for resonance, standing waves, and constructive and destructive interference. A building may vibrate for several seconds with a driving frequency matching the building's natural frequency of vibration; this produces a resonance that results in one building collapsing while the neighboring buildings do not. Often, buildings of a certain height are devastated, while other taller buildings remain intact. This...
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Regulation of Food Intake01:30

Regulation of Food Intake

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Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
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Related Experiment Video

Updated: Jan 23, 2026

Mouse Body Temperature Measurement Using Infrared Thermometer During Passive Systemic Anaphylaxis and Food Allergy Evaluation
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Mouse Body Temperature Measurement Using Infrared Thermometer During Passive Systemic Anaphylaxis and Food Allergy Evaluation

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Mouse Models for Food Allergies: Where Do We Stand?

Stefan Schülke1, Melanie Albrecht2

  • 1Paul-Ehrlich-Institut, Vice President´s Research Group 1: Molecular Allergology, 63225 Langen (Hesse), Germany. Stefan.Schuelke@pei.de.

Cells
|June 9, 2019
PubMed
Summary

Mouse models are crucial for understanding food allergies, which involve Th2 immune responses and IgE. While current models replicate immunological aspects, they struggle to fully reproduce clinical food allergy symptoms in humans.

Keywords:
adjuvantfood allergyhumanized micemouse model

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Area of Science:

  • * Immunology
  • * Allergology
  • * Translational Medicine

Background:

  • * Food allergies represent a growing global health and economic burden.
  • * Allergic reactions are driven by specific T helper 2 (Th2) immune responses, leading to immunoglobulin E (IgE)-mediated mast cell degranulation and inflammation.
  • * Clinical manifestations range from localized reactions to life-threatening anaphylaxis.

Purpose of the Study:

  • * To review and categorize existing mouse models for studying food allergies.
  • * To evaluate the utility of these models in replicating human food allergy pathologies.
  • * To identify limitations in current models for developing novel therapeutic strategies.

Main Methods:

  • * Categorization of mouse models into four groups: adjuvant-free, adjuvant-dependent, genetically modified, and humanized models.
  • * Analysis of immunological and clinical parameters reproduced by each model type.
  • * Review of literature on the application of these models in food allergy research.

Main Results:

  • * Most mouse models effectively replicate immunological hallmarks of food allergy, including Th2 responses, IgE production, and mast cell activation.
  • * Reproducing the full spectrum of clinical symptoms observed in human food allergies remains a significant challenge across all model types.
  • * Humanized mouse models offer potential for studying human immune responses but require further refinement.

Conclusions:

  • * Mouse models are indispensable tools for advancing food allergy research and developing new treatments.
  • * Current models excel at mimicking immunological aspects but fall short in fully recapitulating clinical disease.
  • * Further development is needed to create more comprehensive models that accurately reflect human food allergy pathophysiology.