Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/107380
Title: | Photoacoustic transfection of DNA encoding GFP | Authors: | Silva, Alexandre D. Serpa, Carlos Arnaut, Luís G. |
Issue Date: | 22-Feb-2019 | Publisher: | Springer Nature | Project: | PTDC/QEQMED/3521/2014 Pest-OE/QUI/UI0313/2014 PD/BD/128319/2017 |
Serial title, monograph or event: | Scientific Reports | Volume: | 9 | Issue: | 1 | Abstract: | Photoacoustic transfection consists in the use of photoacoustic waves, generated in the thermoelastic expansion of a confined material absorbing a short pulse of a laser, to produce temporary mechanical deformations of the cell membrane and facilitate the delivery of plasmid DNA into cells. We show that high stress gradients, produced when picosecond laser pulses with a fluence of 100 mJ/cm2 are absorbed by piezophotonic materials, enable transfection of a plasmid DNA encoding Green Fluorescent Protein (gWizGFP, 3.74 MDa) in COS-7 monkey fibroblast cells with an efficiency of 5% at 20 °C, in 10 minutes. We did not observe significant cytotoxicity under these conditions. Photoacoustic transfection is scalable, affordable, enables nuclear localization and the dosage is easily controlled by the laser parameters. | URI: | https://hdl.handle.net/10316/107380 | ISSN: | 2045-2322 | DOI: | 10.1038/s41598-018-37759-1 | Rights: | openAccess |
Appears in Collections: | I&D CQC - Artigos em Revistas Internacionais |
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Photoacoustic-transfection-of-DNA-encoding-GFPScientific-Reports.pdf | 2.26 MB | Adobe PDF | View/Open |
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