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. 2022 Apr 29;9:rbac026. doi: 10.1093/rb/rbac026

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© The Author(s) 2022. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 7. — Antibacterial effect of PTT in vitro. (a) Photographs on the LB ager plates and (b) OD 600 values and (c) SEM images for S.aureus in different solutions with NIR irradiation. Antibacterial efficiencies against S.aureus with and without NIR irradiation (d) and against S.aureus and E.coli (e) under NIR irradiation. The concentration for different solutions is 0.08 mM. NIR irradiation proceeded for 5 min by a laser with 808 nm, 2 W/cm².