Vladislav Yakovlev, professor in the Department of Biomedical
Engineering at Texas A&M University, is part of a multiuniversity
team researching how electrical and optical pulses can benefit cell
absorption of materials, including vaccines.
The team investigated the optical and electrical breakdown of materials. Those effects, which describe material modification in the presence of extreme optical or electrical fields, have been studied since the 1950s. However, the simultaneous application of optical and electrical fields, especially to biologically relevant systems, hasn't been explored before.
Yakovlev said by investigating the synergistic action of electrical and optical pulses, the researchers were able to promote highly localized breakdown while reducing the threshold for such breakdown.
The newly discovered synergistic effect is particularly important if there is a need to selectively disrupt cellular membrane in a highly localized manner.
Typically, electroporation, a technique that applies an electrical field to cells to increase the permeability of the cell membrane, is used. Alternatively, an optoporation, which uses ultrashort laser pulses to form a small hole in the cell membrane, can be employed. A powerful combination of electroporation and optoporation can provide the benefits of both approaches, leading to new ways drugs and vaccines can be delivered to cells and tissues.
"One of the impacts of paramount significance of this effect, which can be of great interest to a general audience, is improved accuracy of vaccine delivery for COVID-19," the team said in an impact statement.
The team recently published a paper in the journal Photonics Research. The research is funded by the Air Force Office of Scientific Research, with Sofi Bin-Salamon serving as project manager.
While this technology would be a new addition to a laboratory, the research team noted that creating the effect doesn't require sophisticated equipment, allowing it to be used in a broad range of facilities.
"We believe that a unique combination of a new fundamental science and a broad range of high-impact applications. ranging from extreme light-matter interactions to nano- and biotechnology, would be of great interest for a broad audience," Yakovlev said.
