Related Experiment Video

Updated: Feb 13, 2026

Troubleshooting FoCUS Image Acquisition: Patient Positioning, Transducer Manipulation, and Image Optimization
06:50

Troubleshooting FoCUS Image Acquisition: Patient Positioning, Transducer Manipulation, and Image Optimization

Published on: March 3, 2023

2.2K

Positive Patch Test Reaction in a Patient Taking Dupilumab

Charles J Puza, Amber Reck Atwater

    Dermatitis : Contact, Atopic, Occupational, Drug
    |March 2, 2018
    PubMed
    Summary

    No abstract available in PubMed .

    More Related Videos

    One-channel Cell-attached Patch-clamp Recording13:07

    One-channel Cell-attached Patch-clamp Recording

    Published on: June 9, 2014

    25.5K
    Single Cell Multiplex Reverse Transcription Polymerase Chain Reaction After Patch-clamp10:44

    Single Cell Multiplex Reverse Transcription Polymerase Chain Reaction After Patch-clamp

    Published on: June 20, 2018

    10.4K

    Related Concept Videos

    Reactions at the Benzylic Position: Halogenation01:11

    Reactions at the Benzylic Position: Halogenation

    Benzylic halogenation takes place under conditions that favor radical reactions such as heat, light, or a free radical initiator like peroxide.
    3.6K
    Position of Equilibrium in Acid-Base Reactions02:05

    Position of Equilibrium in Acid-Base Reactions

    In any solution, the value of pKa indicates whether an acid is completely dissociated or not. A negative pKa corresponds to a stronger acid, whereas a positive pKa corresponds to a weaker acid. Consider the reaction between ammonia and an ethoxide ion. In this reaction, ethanol with a pKa of 15.9 is a stronger acid than ammonia with a pKa of 38. Recall that the strong acid forms a weak conjugate base, and a weak acid forms a strong conjugate base. Hence, the ethoxide ion is a weak base.
    15.2K
    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.
    5.1K
    Long-patch Base Excision Repair01:02

    Long-patch Base Excision Repair

    Since the discovery of the two BER pathways, there has been a debate about how a cell chooses one pathway over the other and the factors determining this selection. Numerous in vitro experiments have pointed out multiple determinants for the sub-pathway selection. These are:
    8.0K
    Position-effect Variegation02:32

    Position-effect Variegation

    In 1928, a German botanist Emil Heitz observed the moss nuclei with a DNA binding dye. He observed that while some chromatin regions decondense and spread out in the interphase nucleus, others do not. He termed them euchromatin and heterochromatin, respectively. He proposed that the heterochromatin regions reflect a functionally inactive state of the genome. It was later confirmed that heterochromatin is transcriptionally repressed, and euchromatin is transcriptionally active chromatin.
    7.1K
    Serial Position Effect01:03

    Serial Position Effect

    The serial position effect is a cognitive phenomenon where individuals are more likely to recall the first and last items in a list compared to those in the middle. This effect is divided into the primacy effect and the recency effect. The primacy effect is observed when the initial items in a list are remembered better. This occurs because these items are rehearsed more frequently or receive more elaborative processing, allowing them to be encoded into long-term memory more effectively. For...
    565