Related Experiment Video

Updated: Jun 12, 2026

Bioluminescent Bacterial Imaging In Vivo
05:06

Bioluminescent Bacterial Imaging In Vivo

Published on: November 4, 2012

[Raphaël Dubois, from pharmacy to bioluminescence]

Jacques Poisson

    Revue D'Histoire De La Pharmacie
    |June 11, 2010
    PubMed

    More Related Videos

    In Situ Measurement and Correlation of Cell Density and Light Emission of Bioluminescent Bacteria05:52

    In Situ Measurement and Correlation of Cell Density and Light Emission of Bioluminescent Bacteria

    Published on: June 28, 2018

    A Step Beyond BRET: Fluorescence by Unbound Excitation from Luminescence (FUEL)07:04

    A Step Beyond BRET: Fluorescence by Unbound Excitation from Luminescence (FUEL)

    Published on: May 23, 2014

    Related Concept Videos

    Photoluminescence: Applications01:14

    Photoluminescence: Applications

    Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
    Photoluminescence: Fluorescence and Phosphorescence01:23

    Photoluminescence: Fluorescence and Phosphorescence

    Photoluminescence is a process where a molecule absorbs light energy and re-emits it in the form of light. This phenomenon occurs when a substance absorbs photons, promoting its electrons to higher energy level excited states, followed by a relaxation process in which the electrons return to their original ground state energy levels and emit light. Photoluminescence is widely observed in various materials, including semiconductors, and organic and inorganic compounds.
    A pair of electrons in a...
    Variables Affecting Phosphorescence and Fluorescence01:26

    Variables Affecting Phosphorescence and Fluorescence

    Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...
    Gene Regulation in Microbial Communities: Quorum Sensing01:28

    Gene Regulation in Microbial Communities: Quorum Sensing

    Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...
    Fluorescence and Phosphorescence: Instrumentation01:25

    Fluorescence and Phosphorescence: Instrumentation

    Fluorometers and spectrofluorometers are two types of instruments used for measuring molecular fluorescence. These instruments differ in how they select excitation and emission wavelengths and the type of light sources they utilize. Fluorometers use absorption interference filters to choose excitation and emission wavelengths. The excitation source in a fluorometer is typically a low-pressure mercury vapor lamp that emits intense lines distributed throughout the ultraviolet and visible regions.
    The Photochemical Reaction Center01:29

    The Photochemical Reaction Center

    Reaction centers are pigment-protein complexes that initiate energy conversion from photons to chemical entities. Therefore, photochemical reaction center is a more appropriate term that describes these complexes. The Nobel laureates Robert Emerson and William Arnold provided the first experimental evidence of photochemical reaction centers by demonstrating the participation of nearly 2,500 chlorophyll molecules for the release of just one molecule of oxygen. Despite thousands of photosynthetic...