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Plasmonic Gold Nanoparticles
Gold nanoparticles, AuNPs, produce short‐lived localized heat gradients under pulsed laser irradiation. Though only extending tens of nm and lasting a few ns, these heat gradients activate nucleotide release. Contrary to theoretical predictions that larger AuNPs, 55 nm diameters, would produce the fastest DNA release, smaller AuNP diameters (25 nm) led to faster dsDNA...
This work investigates the effect of plasmonic gold nanoparticle (AuNP) size on the rate of thermal release of single‐stranded oligonucleotides under femtosecond (fs)‐pulsed laser irradiation sources. Contrary to the theoretical predictions that larger AuNPs (50–60 nm diameter) would produce the most solution heating and fastest DNA release, it is found that smaller AuNP diameters (25 nm) lead to...
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