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. 2021 Apr 9;7(2):332. doi: 10.18063/ijb.v7i2.332

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Copyright: © 2021 Ng, et al.

This is an open-access article distributed under the terms of the Attribution-NonCommercial 4.0 International 4.0 (CC BY-NC 4.0), which permits all non-commercial use, distribution, and reproduction in any medium provided the original work is properly cited.

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(A) Representative Molecular Probes^® Live/Dead stained fluorescence images of different types of printed human alveolar lung cells: A549 human lung epithelial cells (top), EA.hy926 human endothelial cells (middle) and MRC-5 human lung fibroblasts (bottom) at varying cell concentrations at different time intervals (0, 10, 20, and 30-min intervals); scale bar: 200 μm. (B) Analysis of number of printed cells per droplet over a period of 30 min (average ± standard deviation). (C) Influence of printing process on initial cell viability (Live/Dead staining kit) – printed cells versus non-printed cells (control).