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off stoichiometry thiol ene epoxy

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https://www.readbyqxmd.com/read/28470152/histological-evaluation-of-flexible-neural-implants-flexibility-limit-for-reducing-the-tissue-response
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Heui Chang Lee, Fredrik Ejserholm, Janak Gaire, Seth Currlin, Jens Schouenborg, Lars Wallman, Martin Bengtsson, Kinam Park, Kevin J Otto
OBJECTIVE: Flexible neural probes are hypothesized to reduce the chronic foreign body response (FBR) mainly by reducing the strain-stress caused by an interplay between the tethered probe and the brain's micromotion. However, a large discrepancy of Young's modulus still exists (3-6 orders of magnitude) between the flexible probes and the brain tissue. This raises the question of whether we need to bridge this gap; would increasing the probe flexibility proportionally reduce the FBR? APPROACH: Using novel off-stoichiometry thiol-enes-epoxy (OSTE+) polymer probes developed in our previous work, we quantitatively evaluated the FBR to four types of probes with different softness: silicon (~150 GPa), polyimide (1...
June 2017: Journal of Neural Engineering
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