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    Scientists made fiber optic from algae

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    Scientists have made fiber from algae

    Researchers have created biocompatible, biodegradable and edible fiber from natural gel that can have many medical uses.

    The team of scientists from the University of Campinas used conventional agar-agar made from seaweed as the main material for the optical fiber. The wire they created with a diameter of 2.5 mm has six cylindrical holes of 0.5 mm along the inner axis. They are located around a solid core and prevent light scattering due to the difference between the refractive indices of the gel and air..

    Waveguide parameters can be adjusted by changing the composition of natural gelatin, the shape and size of the cores for holes during pouring.

    Scientists made fiber optic from algae

    Tests have shown that the gel undergoes structural changes under the influence of temperature, humidity and pH. This allows it to be used for optical sensing, the creation of biocompatible optical sensors, disposable Petri dishes, various devices for operations, research and localized drug delivery..

    Scientists are experimenting with other materials, for example, recently the Finns made fiber from cellulose.

    text: Ilya Bauer, photo: FAPESP

    Scientists made fiber optic from algae
    Scientists made fiber optic from algae


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