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Analyse de l’interaction laser-matière pour la bioimpression

Abstract : Every year, the transplant waiting list gets bigger in France as in all over the world. To fight this curse, Bioprinting makes organ printing possible, especially with Laser Assisted Bioprinting (LAB). Robust and precise, this method use laser-matter interaction to eject a bioink made of living cells. To avoid the use of absorbing sacrificial layer, we directly focalize a laser beam into a living cells bioink, to create a plasma then a cavitation bubble. Its position, which is mainly driven by laser wavelength, and its size, managed by the energy and pulse duration, are the most important keys to control liquid jet ejection. However, the laser energy deposition and jet ejection is disturbed because of cells local concentration disparity, but when cells are printed, they are still viable and able to reconstruct living tissues.
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https://tel.archives-ouvertes.fr/tel-02915662
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Submitted on : Saturday, August 15, 2020 - 1:01:14 AM
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  • HAL Id : tel-02915662, version 1

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Jerome Bouter. Analyse de l’interaction laser-matière pour la bioimpression. Physique des plasmas [physics.plasm-ph]. Université de Bordeaux, 2019. Français. ⟨NNT : 2019BORD0020⟩. ⟨tel-02915662⟩

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