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International Journal of Bioprinting Impingement shear stress during microvalve-based bioprinting

Funding 6. Keriquel V, Oliveira H, Rémy M, et al., 2017, In situ printing
of mesenchymal stromal cells, by laser-assisted bioprinting,
This work was financially supported by the Deutsche for in vivo bone regeneration applications. Sci Rep, 7(1): 1778.
Forschungsgemeinschaft (DFG, grant number 363055819/
GRK2415). 7. Jentsch S, Nasehi R, Kuckelkorn C, et al., 2021, Multiscale
3D bioprinting by nozzle-free acoustic droplet ejection.
Small Methods, 5(6): e2000971.
Conflict of interest
8. Shafiee A, Ghadiri E, Ramesh H, et al., 2019, Physics of
The authors declare no conflict of interest. bioprinting. Appl Phys Rev, 6(2): 021315.

Author contributions 9. Gudapati H, Dey M, Ozbolat I, 2016, A comprehensive
review on droplet-based bioprinting: Past, present and
Conceptualization: Ramin Nasehi, Horst Fischer future. Biomaterials, 102: 20–42.
Formal analysis: Ramin Nasehi 10. Raees S, Ullah F, Javed F, et al., 2023, Classification,
Investigation: Ramin Nasehi processing, and applications of bioink and 3D bioprinting:
Methodology: Ramin Nasehi A detailed review. Int J Biol Macromol, 232: 123476.
Writing – original draft: Ramin Nasehi 11. Lee JM, Sing SL, Zhou M, et al., 2018, 3D bioprinting
Writing – review & editing: Ramin Nasehi, Sanja Aveic, processes: A perspective on classification and terminology.
Horst Fischer Int J Bioprint, 4(2): 151.

Ethics approval and consent to participate 12. Derby B, 2010, Inkjet printing of functional and structural
materials: Fluid property requirements, feature stability, and
Primary HUVECs were isolated from umbilical cords resolution. Annu Rev Mater Res, 40(1): 395–414.
provided by the Department of Gynecology and Perinatal 13. Gudapati H, Parisi D, Colby RH, et al., 2020, Rheological
Medicine, RWTH Aachen University Hospital, Aachen, investigation of collagen, fibrinogen, and thrombin solutions
Germany, as approved by the local ethics committee of for drop-on-demand 3D bioprinting. Soft Matter, 16(46):
the Faculty of Medicine at RWTH Aachen University (EK 10506–10517.
424/19).
14. Gudapati H, Ozbolat IT, 2020, The role of concentration on
Consent for publication drop formation and breakup of collagen, fibrinogen, and
thrombin solutions during inkjet bioprinting. Langmuir,
Not applicable. 36(50): 15373–15385.
Availability of data 15. Xu C, Zhang Z, Fu J, et al., 2017, Study of pinch-off locations
during drop-on-demand inkjet printing of viscoelastic
Research data are available from the authors on request. alginate solutions. Langmuir, 33(20): 5037–5045.
16. Chand R, Shimwa Muhire B, Vijayavenkataraman S,
Further disclosure 2022, Computational fluid dynamics assessment of the
Not applicable. effect of bioprinting parameters in extrusion bioprinting.
Int J Bioprint, 8(2): 545.
References 17. Emmermacher J, Spura D, Cziommer J, et al., 2020,
Engineering considerations on extrusion-based bioprinting:
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18. Ng WL, Huang X, Shkolnikov V, et al., 2021, Controlling
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bioprinting – process, bio-inks and applications. Biomater 19. Xu H, Liu Q, Casillas J, et al., 2022, Prediction of cell viability
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4. Ng WL, Lee JM, Zhou M, et al., 2020, Vat polymerization- bioprinting using machine learning. J Intell Manuf, 33(4):
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20. Blaeser A, Duarte Campos DF, Puster U, et al., 2016,
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Volume 9 Issue 4 (2023) 397 https://doi.org/10.18063/ijb.743