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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 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 …

  3. Fluorescence - Chemistry LibreTexts

    Fluorescence occurs when an atom or molecules relaxes through vibrational relaxation to its ground state after being electrically excited. The specific frequencies of excitation and emission are …

  4. Fluorescence | Emission, Excitation & Photochemistry | Britannica

    Nov 18, 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. FLUORESCENCE Definition & Meaning - Merriam-Webster

    The meaning of FLUORESCENCE is luminescence that is caused by the absorption of radiation at one wavelength followed by nearly immediate reradiation usually at a different wavelength and that …