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Related Concept Videos

Lethal Alleles02:41

Lethal Alleles

Agouti: A Lethal Allele
Lucien Cuénot discovered lethal alleles in 1905 while studying the inheritance of coat color in mice. The agouti gene is responsible for the color of the coat in mice. This gene codes for an agouti-signaling protein, which is responsible for melanin distribution in mammals. The wild-type allele gives rise to gray-brown coat color in mice, while the mutant allele gives rise to yellow coat color. In addition to coat color, the agouti gene is associated with the yellow...
PPE Use in Healthcare Settings II: Doffing01:10

PPE Use in Healthcare Settings II: Doffing

The sequence of removing or doffing PPE starts with the gloves, as they are the most contaminated. Next is removal of the face shield or goggles, as they would interfere with removing other PPE. Then remove the gown, followed by the mask or respirator. Perform hand hygiene between steps if hands become contaminated and immediately after removing all PPE. Generally, the outside front and sleeves of the isolation gown, the goggles or the mask, the respirator, and the face shield are contaminated.
Cleaning, Sterilization, and Disinfection01:30

Cleaning, Sterilization, and Disinfection

Cleaning, disinfection, and sterilization are the methods that help to break the infection chain and prevent disease.
Cleaning
The cleaning process usually involves using water with detergents or enzymatic cleaner and removing foreign material from objects and surfaces, including organic material such as body fluids or inorganic material like soil. Cleaning is performed before high-level disinfection and sterilization because foreign materials on the cover of the devices interfere with process...
Enhanced Elimination of Poison01:26

Enhanced Elimination of Poison

Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
Fatigue01:21

Fatigue

Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
FDA Approved Drugs: Changes to Approved Drugs01:26

FDA Approved Drugs: Changes to Approved Drugs

Post-approval, manufacturers may modify an approved new or generic drug product. Such modifications can encompass alterations in the Active Pharmaceutical Ingredient (API), manufacturing process, formulation, batch size, manufacturing site, and container closure system (FDA Guidance for Industry, April 2004). Often, a drug product may undergo multiple changes.These modifications require careful evaluation to determine their potential impact on the drug product's identity, strength, quality,...

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Related Experiment Video

Updated: Jul 16, 2026

Intravital Imaging of Fluorescent Protein Expression in Mice with a Closed-Skull Traumatic Brain Injury and Cranial Window Using a Two-Photon Microscope
08:25

Intravital Imaging of Fluorescent Protein Expression in Mice with a Closed-Skull Traumatic Brain Injury and Cranial Window Using a Two-Photon Microscope

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[Low-fat and light-products--old hat?].

R Stöckli1, U Keller

  • 1Medizinische Poliklinik, Universitätsspital, Basel, Switzerland. stoecklir@uhbs.ch

Therapeutische Umschau. Revue Therapeutique
|February 27, 2007
PubMed
Summary

Energy-reduced foods, legally defined in Switzerland, may not offer health benefits or weight reduction alone. These products, with at least 30% less energy, are popular but lack proven advantages when consumed without broader lifestyle changes.

Area of Science:

  • Nutritional Science
  • Food Law and Regulation

Context:

  • The term "light" food is undefined, but Swiss law specifies energy-reduced (≥30% less energy) and energy-poor (≥50% less energy) foods.
  • Low-fat dairy products are recommended in US guidelines as part of a healthy lifestyle.
  • Energy- and fat-reduced products are widely consumed.

Purpose:

  • To clarify the definitions and potential health impacts of energy-reduced food products.
  • To evaluate the association between consuming "light" products and health outcomes, including body weight.
  • To differentiate between legally defined terms and general marketing terms for reduced-energy foods.

Summary:

  • Swiss law defines "energy-reduced" (≥30% energy reduction) and "energy-poor" (≥50% energy reduction) foods, with protein content not being the target for reduction.

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Last Updated: Jul 16, 2026

Intravital Imaging of Fluorescent Protein Expression in Mice with a Closed-Skull Traumatic Brain Injury and Cranial Window Using a Two-Photon Microscope
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Lethality Bioassay Using Artemia salina L.
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Lethality Bioassay Using Artemia salina L.

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Multifactorial Assessment of Motor Behavior in Rats after Unilateral Sciatic Nerve Crush Injury

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  • While low-fat dairy is encouraged for healthy lifestyles, evidence suggests "light" products alone do not confer health benefits or reduce body weight.
  • Consumption of these products has not been demonstrably linked to improved health outcomes or weight management.

    • Impact:

    • Highlights the need for clear definitions and evidence-based claims regarding reduced-energy food products.
    • Informs consumers and healthcare professionals about the limitations of "light" foods in achieving health goals.
    • Suggests that broader dietary patterns, not isolated product choices, are key to managing chronic diseases and body weight.