Journal of Industrial and Engineering Chemistry, Vol.58, 33-37, February, 2018
Synthesis of gold-spikes decorated biomimetic silica microrod for photothermal agents
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Photo-absorbing molecules or nanoparticles as microscopic heat sources are expected to improve the therapeutic accuracy and reduce side effect on normal tissues. Herein, gold (Au)-spikes decorated silica structure based on a unicellular organism (Escherichia coli) as a framework was synthesized using E@SiO2-Au spikes as the reusable photothermal agents. The synthesized E@SiO2-Au spikes were stable under the irradiation of 808 nm NIR laser after 5 times recycling experiments, with no temperature decrease tendencies. As a result of temperature evaluation measurements, E@SiO2-Au spikes showed better performance with higher conversion efficiency and more stable activity during multiple reaction runs.
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