Related Experiment Video

Updated: Jun 11, 2026

Color Spot Test As a Presumptive Tool for the Rapid Detection of Synthetic Cathinones
06:06

Color Spot Test As a Presumptive Tool for the Rapid Detection of Synthetic Cathinones

Published on: February 5, 2018

Removal of thresholds for the List I chemicals pseudoephedrine and phenylpropanolamine. Final rule

    Federal Register
    |July 9, 2010
    PubMed

    More Related Videos

    A Convenient Method for Extraction and Analysis with High-Pressure Liquid Chromatography of Catecholamine Neurotransmitters and Their Metabolites13:35

    A Convenient Method for Extraction and Analysis with High-Pressure Liquid Chromatography of Catecholamine Neurotransmitters and Their Metabolites

    Published on: March 1, 2018

    Analysis of Organochlorine Pesticides in a Soil Sample by a Modified QuEChERS Approach Using Ammonium Formate04:17

    Analysis of Organochlorine Pesticides in a Soil Sample by a Modified QuEChERS Approach Using Ammonium Formate

    Published on: January 20, 2023

    Related Concept Videos

    Adrenergic Agonists: Mixed-Action Agents01:28

    Adrenergic Agonists: Mixed-Action Agents

    Mixed-action adrenergic agonists, like ephedrine and pseudoephedrine, directly and indirectly affect adrenergic receptors. These agents stimulate adrenoceptors and indirectly release stored neurotransmitters, amplifying the adrenergic response.
    Ephedrine and pseudoephedrine lack a catecholamine group, making them less susceptible to degradation by metabolic enzymes. They have increased oral bioavailability and lipophilicity, resulting in a longer duration of action. Their response is reduced by...
    Upper Respiratory Drugs: Decongestants01:27

    Upper Respiratory Drugs: Decongestants

    Decongestants are a class of medications used primarily to alleviate nasal congestion, a common symptom resulting from allergies, colds, sinusitis, and other upper respiratory tract infections. These drugs work by activating α-adrenergic receptors, constricting small blood vessels in the nasal membranes. This action results in the opening of clogged nasal passages, thereby facilitating sinus drainage and relieving congestion.
    Most decongestants are readily available over-the-counter in various...
    Upper Respiratory Drugs: Antitussives, Expectorants, and Mucolytics01:23

    Upper Respiratory Drugs: Antitussives, Expectorants, and Mucolytics

    Respiratory symptoms, such as congestion and cough, commonly accompany respiratory tract conditions. Various medications, such as antitussives, expectorants, and mucolytics, play crucial roles in providing relief.
    Antitussives include codeine, dextromethorphan (Robitussin), and benzonatate (Tessalon). Codeine and dextromethorphan exert their effects centrally by suppressing the cough reflex center in the medulla.  Benzonatate operates peripherally within the respiratory tract by anesthetizing...
    Drug Classes and Categories01:25

    Drug Classes and Categories

    Drugs can be classified according to their chemical composition or their intended therapeutic application. For instance, anti-infective agents that possess the ability to eliminate pathogens or suppress their growth and reproduction can be grouped based on the organisms they target or their chemical structure. Furthermore, drugs can be divided into prescription, nonprescription, or controlled substances. Prescription medications, such as antibiotics, require oversight from a licensed healthcare...
    Drug Regulation01:25

    Drug Regulation

    Drug regulation encompasses the management of drug usage by evaluating its safety and efficacy through assessments conducted by regulatory authorities. Regrettably, the history of drug regulation is marred by several catastrophic events. One such incident is the Elixir Sulfanilamide tragedy, in which the toxic compound diethyl glycol was included in a sweet-tasting medication, leading to numerous fatalities. This event prompted the enactment of the Food, Drug, and Cosmetic Act in 1938. Under...
    Antiasthma Drugs: Methylxanthines01:24

    Antiasthma Drugs: Methylxanthines

    Theophylline, a member of the methylxanthine class of bronchodilators, has long been used in asthma management. While its exact mechanism of action is not fully understood, it is believed to have multiple effects on various cellular processes.
    Theophylline is thought to inhibit phosphodiesterase enzymes, increasing intracellular levels of cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP). This rise in cAMP and cGMP concentrations stimulates cardiac function,...