Related Experiment Video

Updated: Apr 30, 2026

Visualizing and Quantifying Pharmaceutical Compounds within Skin using Coherent Raman Scattering Imaging
11:07

Visualizing and Quantifying Pharmaceutical Compounds within Skin using Coherent Raman Scattering Imaging

Published on: November 24, 2021

2.6K

[Studies on the percutaneous absorption of benzoyl peroxide (author's transl)]

B Morsches, H Holzmann

    Arzneimittel-Forschung
    |January 1, 1982
    PubMed

    More Related Videos

    Author Spotlight: Advancing Facial Rejuvenation Therapy with Post-Laser Salicylic Acid Application03:47

    Author Spotlight: Advancing Facial Rejuvenation Therapy with Post-Laser Salicylic Acid Application

    Published on: September 27, 2024

    1.6K
    Using a 1064-nm Picosecond Neodymium-Doped Yttrium Aluminum Garnet Laser for Periorbital Hyperpigmentation04:43

    Using a 1064-nm Picosecond Neodymium-Doped Yttrium Aluminum Garnet Laser for Periorbital Hyperpigmentation

    Published on: May 23, 2025

    1.1K

    Related Concept Videos

    Reactions at the Benzylic Position: Oxidation and Reduction00:59

    Reactions at the Benzylic Position: Oxidation and Reduction

    The benzylic position describes the position of a carbon atom attached directly to a benzene ring. Benzene by itself does not undergo oxidation. In contrast, the benzylic carbon is quite reactive in the presence of strong oxidizing agents such as KMnO4 or H2CrO4. Therefore, alkylbenzenes are readily oxidized to benzoic acid, irrespective of the type of alkyl groups.
    4.3K
    Hydrolysis of Chlorobenzene to Phenol: Dow Process01:10

    Hydrolysis of Chlorobenzene to Phenol: Dow Process

    Simple aryl halides do not react with nucleophiles under normal conditions. However, the reaction can proceed under drastic conditions involving high temperatures and high pressure to give the substituted products. For example, chlorobenzene is converted to phenol using aqueous sodium hydroxide at 350 °C under high pressure by the Dow process. The reaction follows an elimination-addition mechanism involving a benzyne intermediate. Here, the chloride ion is...
    3.6K
    Oxidation of Phenols to Quinones01:17

    Oxidation of Phenols to Quinones

    In the presence of oxidizing agents, phenols are oxidized to quinones. Quinones can be easily reduced back to phenols using mild reducing agents. The electron-donating hydroxyl group enhances the reactivity of the aromatic ring, enabling oxidation of the ring even in the absence of an α hydrogen.
    o-hydroxy phenols are oxidized to o-quinones and p-hydroxy phenols to p-quinones. Such redox reactions involve the transfer of two electrons and two protons. The reversible redox...
    4.5K
    Factors Influencing Drug Absorption: Presystemic Elimination01:24

    Factors Influencing Drug Absorption: Presystemic Elimination

    The pharmacokinetic journey of oral drugs begins with a crucial first pass through the hepatic portal system, called the first-pass effect. This first pass significantly impacts bioavailability — the proportion of a drug that enters systemic circulation and is available for therapeutic action. The primary route sees the drug absorbed by intestinal membranes and then shunted to the liver via the hepatic portal vein. Here, pre-systemic elimination occurs as drugs face metabolism or biliary...
    1.2K
    Non-Oral Extravascular Drug Absorption Routes01:15

    Non-Oral Extravascular Drug Absorption Routes

    Non-oral extravascular routes, which encompass sublingual, buccal, topical, intramuscular, and inhalation methods, primarily utilize passive diffusion to transport drugs into the systemic circulation. The absorption rates and effectiveness of these routes depend on the drug's physicochemical properties, as well as the patient's anatomical and pathophysiological state.
    Lipophilic drugs that are stable at salivary pH (6) and exhibit minimal binding to the oral mucosa are absorbed more...
    723
    Acne Infection01:27

    Acne Infection

    Acne is a multifactorial skin condition primarily affecting adolescents and young adults, with a global prevalence estimated to exceed 75% in this demographic. The condition is characterized by the formation of comedones (blackheads and whiteheads), papules, pustules, nodules, and, in severe cases, cysts, particularly in areas rich in sebaceous glands such as the face, neck, chest, and back. The pathogenesis involves increased sebum production, follicular hyperkeratinization, colonization by...
    92