研究目的
Investigating the therapeutic effects of a specific herbal medicine on a particular disease.
研究成果
The methods of cell perforation and preheating can increase cell uptake efficiencies of Au NRIs and photosensitizer AlPcS, enhancing the cell damage efficiency through the PT and PD effects. Perforation can be more effective at enhancing cell uptake and damage when compared with preheating.
研究不足
The threshold levels of power density or fluence for causing cell damage through the PT effect reported are still too high for clinical application. More research efforts are needed to reduce the required power density level for effectively producing PT effects.
1:Experimental Design and Method Selection:
The study used cell perforation and preheating methods to increase cell uptake efficiencies of gold nanorings (NRIs) and photosensitizer AlPcS, enhancing cell damage efficiency through photothermal (PT) and photodynamic (PD) effects.
2:Sample Selection and Data Sources:
Oral cancer cells, SAS, were incubated with NRI or NRI-AlPcS solutions for 12 h.
3:List of Experimental Equipment and Materials:
Au NRIs, AlPcS, 1064-nm femtosecond (fs) laser, 1064-nm continuous (cw) laser, 660-nm cw laser.
4:Experimental Procedures and Operational Workflow:
Cell samples were illuminated with defocused lasers for perforation or preheating, then with focused lasers for cell damage. Trypan blue stain was used to observe cell damage.
5:Data Analysis Methods:
The size of cell damage areas was measured to compute threshold laser intensity for cell damage.
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