Light-based 3D printing of hydrogels with high-resolution channels Article Swipe
Aaron D. Benjamin
,
Reha Abbasi
,
Madison Owens
,
Robert J. Olsen
,
Danica J. Walsh
,
Thomas B. LeFevre
,
James N. Wilking
·
YOU?
·
· 2018
· Open Access
·
· DOI: https://doi.org/10.1088/2057-1976/aad667
YOU?
·
· 2018
· Open Access
·
· DOI: https://doi.org/10.1088/2057-1976/aad667
Hydrogels are soft, water-based gels with widespread applications in personal care products, medicine and biomedical engineering. Many applications require structuring the hydrogel into complex three-dimensional (3D) shapes. For these applications, light-based 3D printing methods offer exquisite control over material structure. However, the use of these methods for structuring hydrogels is underdeveloped. In particular, the ability to print hydrogel objects containing internal voids and channels is limited by the lack of well-characterized formulations that strongly attenuate light and the lack of a theoretical framework for predicting and mitigating channel occlusion. Here we present a combined experimental and theoretical approach for creating well-defined channels with any orientation in hydrogels using light-based 3D printing. This is achieved by the incorporation of photoblocker and the optimization of print conditions to ensure layer-layer adhesion while minimizing channel occlusion. To demonstrate the value of this approach we print hydrogels containing individual spiral channels with centimeter-scale length and submillimeter-scale cross-section. While the channels presented here are relatively simple, this same approach could be used to achieve more complex channel designs mimicking, for example, the complex vasculature of living organisms. The low cytotoxicity of the gel makes the formulation a promising candidate for biological applications.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1088/2057-1976/aad667
- https://iopscience.iop.org/article/10.1088/2057-1976/aad667/pdf
- OA Status
- hybrid
- Cited By
- 75
- References
- 44
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W2883463901
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2883463901Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1088/2057-1976/aad667Digital Object Identifier
- Title
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Light-based 3D printing of hydrogels with high-resolution channelsWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2018Year of publication
- Publication date
-
2018-07-27Full publication date if available
- Authors
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Aaron D. Benjamin, Reha Abbasi, Madison Owens, Robert J. Olsen, Danica J. Walsh, Thomas B. LeFevre, James N. WilkingList of authors in order
- Landing page
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https://doi.org/10.1088/2057-1976/aad667Publisher landing page
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https://iopscience.iop.org/article/10.1088/2057-1976/aad667/pdfDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
-
hybridOpen access status per OpenAlex
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https://iopscience.iop.org/article/10.1088/2057-1976/aad667/pdfDirect OA link when available
- Concepts
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Self-healing hydrogels, Structuring, Channel (broadcasting), Nanotechnology, Computer science, 3D printing, Materials science, 3d printed, Layer (electronics), Biomedical engineering, Telecommunications, Engineering, Composite material, Polymer chemistry, Finance, EconomicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
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75Total citation count in OpenAlex
- Citations by year (recent)
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2025: 11, 2024: 16, 2023: 13, 2022: 15, 2021: 14Per-year citation counts (last 5 years)
- References (count)
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44Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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