Related Experiment Video

Updated: Feb 8, 2026

Use of the TetON System to Study Molecular Mechanisms of Zebrafish Regeneration
10:22

Use of the TetON System to Study Molecular Mechanisms of Zebrafish Regeneration

Published on: June 25, 2015

11.1K

[Molecular mechanism of tolerance to and dependence on barbiturates]

P Mandel

    Comptes Rendus Des Seances De La Societe De Biologie Et De Ses Filiales
    |January 1, 1980
    PubMed
    Abstract

    No abstract available in PubMed .

    More Related Videos

    Assessment of Morphine-induced Hyperalgesia and Analgesic Tolerance in Mice Using Thermal and Mechanical Nociceptive Modalities07:23

    Assessment of Morphine-induced Hyperalgesia and Analgesic Tolerance in Mice Using Thermal and Mechanical Nociceptive Modalities

    Published on: July 29, 2014

    34.1K
    In Vivo Two-photon Imaging Of Experience-dependent Molecular Changes In Cortical Neurons10:07

    In Vivo Two-photon Imaging Of Experience-dependent Molecular Changes In Cortical Neurons

    Published on: January 5, 2013

    22.3K

    Related Concept Videos

    Sedatives and Hypnotics Drugs: Barbiturates01:20

    Sedatives and Hypnotics Drugs: Barbiturates

    Sedatives and hypnotics encompass a drug class that acts on the central nervous system (CNS) to alleviate anxiety, promote relaxation and induce sleep.These drugs function by amplifying the actions of the neurotransmitter γ-aminobutyric acid (GABA), resulting in reduced neuronal activity. Barbiturates, a subset of sedatives and hypnotics first synthesized in the late 1800s, are categorized into ultra-short, short, intermediate, and long-acting groups based on their duration of effect. A...
    1.1K
    CNS Depressants: Barbiturates and Benzodiazepines01:14

    CNS Depressants: Barbiturates and Benzodiazepines

    CNS depressants include drugs from the category of barbiturates and benzodiazepines. They are valuable medications for managing anxiety disorders and insomnia. Barbiturates, once used to induce and maintain sleep, have been replaced mainly by benzodiazepines due to barbiturate's toxicity, tolerance, and overdose risks. They interact with GABAA receptors, leading to sedation at low doses and potentially coma and death at higher doses. Phenobarbital, a long-acting barbiturate, possesses...
    1.4K
    Reaction Mechanisms03:06

    Reaction Mechanisms

    Chemical reactions often occur in a stepwise fashion, involving two or more distinct reactions taking place in a sequence. A balanced equation indicates the reacting species and the product species, but it reveals no details about how the reaction occurs at the molecular level. The reaction mechanism (or reaction path) provides details regarding the precise, step-by-step process by which a reaction occurs.
    For instance, the decomposition of ozone appears to follow a mechanism with two steps:
    31.0K
    Temperature Dependence on Reaction Rate02:55

    Temperature Dependence on Reaction Rate

    The Collision Theory
    Atoms, molecules, or ions must collide before they can react with each other. Atoms must be close together to form chemical bonds. This premise is the basis for a theory that explains many observations regarding chemical kinetics, including factors affecting reaction rates.
    The collision theory is based on the postulates that (i) the reaction rate is proportional to the rate of reactant collisions, (ii) the reacting species collide in an orientation allowing contact between...
    89.2K
    Frequency-dependent Selection01:21

    Frequency-dependent Selection

    When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
    24.2K
    Molecular Compounds: Formulas and Nomenclature03:10

    Molecular Compounds: Formulas and Nomenclature

    Molecular compounds or covalent compounds result when atoms share electrons to form covalent bonds. Since there is no electron transfer, molecular compounds do not contain ions; instead, they consist of discrete, neutral molecules. 
    55.9K