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Issue 3, 2018
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Razor-printed sticker microdevices for cell-based applications

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Tape-based razor-printing is a flexible and affordable ultra-rapid prototyping approach for microscale device fabrication. However, integration of this prototyping approach into cell-based assay development has been limited to proof of principle demonstrations. This is in large part due to lack of an established or well-characterized option for biocompatible adhesive tape. Without such an option, integration of these areas will remain unexplored. Therefore, to address this critical hurdle, we characterized microscale devices made using a potentially biocompatible double-sided adhesive, ARCare 90106. We validated tape-based device performance against 96-well plates and PDMS microdevices with respect to cell viability, hydrophobic small molecule sequestration, the potential for leaching compounds, use in fluorescence microscopy, and outgassing (bubble formation). Results supported the tape as a promising tool for future cell-based assay development. Therefore, we subsequently demonstrated specific strengths enabled by the ultra-rapid (<1 h per prototype) and affordable (∼$1200 cutting plotter, <$0.05 per prototype) approach. Specifically, data demonstrate the ability to integrate disparate materials for advanced sticker-device functionality such as bonding of polystyrene devices to glass substrates for microscopy applications, inclusion of membranes, and incorporation of different electrospun biomaterials into a single device. Likewise, the approach allowed rapid adoption by uninitiated users. Overall, this study provides a necessary and unique contribution to the largely separate fields of tape-based razor-printing and cell-based microscale assay development by addressing a critical barrier to widespread integration and adoption while also demonstrating the potential for new and future applications.

Graphical abstract: Razor-printed sticker microdevices for cell-based applications

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Supplementary files

Article information

12 Jul 2017
21 Dec 2017
First published
03 Jan 2018

Lab Chip, 2018,18, 451-462
Article type

Razor-printed sticker microdevices for cell-based applications

L. E. Stallcop, Y. R. Álvarez-García, A. M. Reyes-Ramos, K. P. Ramos-Cruz, M. M. Morgan, Y. Shi, L. Li, D. J. Beebe, M. Domenech and J. W. Warrick, Lab Chip, 2018, 18, 451
DOI: 10.1039/C7LC00724H

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