Journal
ROYAL SOCIETY OPEN SCIENCE
Volume 5, Issue 2, Pages -Publisher
ROYAL SOC
DOI: 10.1098/rsos.171779
Keywords
optical fabrication; artificially engineered materials; photothermal effects; computer holography
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Funding
- Ministry of Education, Culture, Sports, Science and Technology, Japan
- JSPS KAKENHI [16K16408]
- MEXT/JSPS KAKENHI [17H02084]
- Grants-in-Aid for Scientific Research [17H02084, 16K16408] Funding Source: KAKEN
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This paper introduces a method for fabricating microscale DNA hydrogels using irradiation with patterned light. Optical fabrication allows for the flexible and tunable formation of DNA hydrogels without changing the environmental conditions. Our scheme is based on local heat generation via the photothermal effect, which is induced by light irradiation on a quenching species. We demonstrate experimentally that, depending on the power and irradiation time, light irradiation enables the creation of local microscale DNA hydrogels, while the shapes of the DNA hydrogels are controlled by the irradiation patterns.
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