Researchers have used 100 seconds of laser irradiation to generate convection currents that selectively accelerate biochemical reactions -- due to the photothermal effect -- by concentrating biofunctional molecules at the cell surface. Using this method, useful molecules can be transported into cells at concentrations a hundred to a thousand times lower than with conventional methods. Furthermore, they also succeeded in selectively introducing small molecules into intracellular organelles usually impossible at low concentrations (hundreds of pmol/L) as well as inducing cell death in targeted cells by concentrating anticancer active peptides into them at concentrations so low that they would not be conventionally effective (several tens of nmol/L).
Article: https://www.sciencedaily.com/releases/2023/03/230306101438.htm
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