関連する実験動画

Updated: Aug 8, 2026

Electrophysiological Recording of The Central Nervous System Activity of Third-Instar Drosophila Melanogaster
06:45

Electrophysiological Recording of The Central Nervous System Activity of Third-Instar Drosophila Melanogaster

Published on: November 21, 2018

誘導されたDDTの光分解

L L Miller, R S Narang

    Science (New York, N.Y.)
    |July 24, 1970
    PubMed
    まとめ

    アロマティックアミンとアルキルハリドの間の光誘導の電荷移転は,脱ハロゲン化を容易にする. このプロセスはDDTとダイエチラニリンで実証されており,光分解が起こるためにはアミン誘導体が必要です.

    さらに関連する動画

    Topical Application Bioassay to Quantify Insecticide Toxicity for Mosquitoes and Fruit Flies09:37

    Topical Application Bioassay to Quantify Insecticide Toxicity for Mosquitoes and Fruit Flies

    Published on: January 19, 2022

    High Throughput Screening Assessment of Reactive Oxygen Species (ROS) Generation using Dihydroethidium (DHE) Fluorescence Dye05:16

    High Throughput Screening Assessment of Reactive Oxygen Species (ROS) Generation using Dihydroethidium (DHE) Fluorescence Dye

    Published on: January 19, 2024

    関連する概念動画

    Photochemical Electrocyclic Reactions: Stereochemistry01:26

    Photochemical Electrocyclic Reactions: Stereochemistry

    The absorption of UV–visible light by conjugated systems causes the promotion of an electron from the ground state to the excited state. Consequently, photochemical electrocyclic reactions proceed via the excited-state HOMO rather than the ground-state HOMO. Since the ground- and excited-state HOMOs have different symmetries, the stereochemical outcome of electrocyclic reactions depends on the mode of activation; i.e., thermal or photochemical.
    Selection Rules: Photochemical Activation
    Cycloaddition Reactions: MO Requirements for Photochemical Activation01:12

    Cycloaddition Reactions: MO Requirements for Photochemical Activation

    Some cycloaddition reactions are activated by heat, while others are initiated by light. For example, a [2 + 2] cycloaddition between two ethylene molecules occurs only in the presence of light. It is photochemically allowed but thermally forbidden.
    Spontaneous and Induced Mutations01:30

    Spontaneous and Induced Mutations

    Spontaneous mutations arise infrequently during DNA replication due to errors in the process. A key factor behind these errors is tautomeric shifts in nitrogenous bases, where bases transition from keto to enol forms or amino to imino forms. This shift can alter base-pairing rules, leading to mutations. Additionally, reactive oxygen species (ROS) arising from aerobic metabolism can damage DNA, resulting in depurination (loss of a purine base) or depyrimidination (loss of a pyrimidine base).
    Microbial Bioremediation of Pesticides01:28

    Microbial Bioremediation of Pesticides

    Pesticides often feature structurally complex chemical architectures, incorporating halogen groups and multiple aromatic rings. These characteristics confer high chemical stability, rendering many pesticides resistant to natural degradation processes. This resistance poses significant environmental concerns, as persistent pesticide residues can accumulate in ecosystems and affect non-target organisms.Despite the inherent stability of many pesticides, certain microorganisms possess the metabolic...