Cyanobacteria suspension microdot array with optical vortex induced forward transfer

Kaito Sato; Tetsuya Fukuda; Ken-ichi Yuyama; Mitsumasa Hanaoka; Katsuhiko Miyamoto; Takashige Omatsu

doi:10.1117/12.3027346

30 September 2024 Cyanobacteria suspension microdot array with optical vortex induced forward transfer

Kaito Sato, Tetsuya Fukuda, Ken-ichi Yuyama, Mitsumasa Hanaoka, Katsuhiko Miyamoto, Takashige Omatsu

Author Affiliations +

Proceedings Volume PC13126, Molecular and Nanophotonic Machines, Devices, and Applications VII; PC1312607 (2024) https://doi.org/10.1117/12.3027346
Event: Organic Photonics + Electronics, 2024, San Diego, California, United States

Abstract

Laser-induced forward transfer (LIFT) has been collecting much attention as a nozzle-free, cost-effective and resource-efficient printing technology for the development of printed electronic/photonic devices and bioprinting with high cell viability. In recent years, we and our co-workers have proposed a novel LIFT technology with optical vortex possessing a helical wavefront (we called OV-LIFT) instead of a conventional Gaussian beam with a plane wavefront, which enables the high definition print of materials even with an extremely long working distance. In our experiments, we demonstrate the 2-dimansionally direct print of cyanobacteria cells water/glycerol suspension including biocompatible materials (polyethylene glycol diacrylate) with OV-LIFT. The printed dots exhibit a diameter of approximately 50 μm with a positioning accuracy of about 6 μm. Also, we address high viability of cyanobacterial cells, as evidenced by photosynthetic activity of cyanobacterial cells in as-printed dots.

Conference Presentation

Citation Download Citation

Kaito Sato, Tetsuya Fukuda, Ken-ichi Yuyama, Mitsumasa Hanaoka, Katsuhiko Miyamoto, and Takashige Omatsu "Cyanobacteria suspension microdot array with optical vortex induced forward transfer", Proc. SPIE PC13126, Molecular and Nanophotonic Machines, Devices, and Applications VII, PC1312607 (30 September 2024); https://doi.org/10.1117/12.3027346

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