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  1. Fluorescence - Wikipedia

    Fluorescence has many practical applications, including mineralogy, gemology, medicine, chemical sensors (fluorescence spectroscopy), fluorescent labelling, dyes, biological detectors, cosmic-ray …

  2. Fluorescence - Chemistry LibreTexts

    Fluorescence, a type of luminescence, occurs in gas, liquid or solid chemical systems. Fluorescence is brought about by absorption of photons in the singlet ground state promoted to a singlet excited state.

  3. Fluorescence Definition and Examples - Science Notes and Projects

    Apr 5, 2023 · Fluorescence is a phenomenon where certain materials rapidly (around 10 -8 seconds) emit light when they are exposed to specific types of electromagnetic radiation, typically ultraviolet …

  4. Fluorescence | Emission, Excitation & Photochemistry | Britannica

    Dec 26, 2025 · Fluorescence, emission of electromagnetic radiation, usually visible light, caused by excitation of atoms in a material, which then reemit almost immediately (within about 10−8 seconds).

  5. Fluorescence Fundamentals - Thermo Fisher Scientific - US

    Fluorescence is the result of a 3-stage process that occurs in certain molecules (e.g., polyaromatic hydrocarbons) called fluorophores.

  6. What Is Fluorescence and How Does It Work? - Biology Insights

    Jul 25, 2025 · Fluorescence describes a natural phenomenon where certain substances absorb light and then almost immediately re-emit it as a visible glow. This process involves the transformation of …

  7. An Introduction to Fluorescence | Learn & Share | Leica ...

    Jun 2, 2023 · Fluorescence is a form of luminescence that through microscopy allows users to determine the distribution of a single molecule species, its amount and its localization inside a cell.