2019
DOI: 10.3390/inorganics7060072
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Photocracking Silica: Tuning the Plasmonic Photothermal Degradation of Mesoporous Silica Encapsulating Gold Nanoparticles for Cargo Release

Abstract: The degradation of bionanomaterials is essential for medical applications of nanoformulations, but most inorganic-based delivery agents do not biodegrade at controllable rates. In this contribution, we describe the controllable plasmonic photocracking of gold@silica nanoparticles by tuning the power and wavelength of the laser irradiation, or by tuning the size of the encapsulated gold cores. Particles were literally broken to pieces or dissolved from the inside out upon laser excitation of the plasmonic cores… Show more

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Cited by 13 publications
(6 citation statements)
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References 60 publications
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“…To study the degradability of CSN in vitro, we investigated its degradation behavior in both SBF and SLF at 37 °C with or without NIR light. 38 The morphological evolution of CSN with degradation time was observed by transmission electron microscopy (TEM). After NIR light irradiation, as shown in CSNs were degraded into fragments that were mainly about 5 nm (Figure 3c,d), which would facilitate renal clearance.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…To study the degradability of CSN in vitro, we investigated its degradation behavior in both SBF and SLF at 37 °C with or without NIR light. 38 The morphological evolution of CSN with degradation time was observed by transmission electron microscopy (TEM). After NIR light irradiation, as shown in CSNs were degraded into fragments that were mainly about 5 nm (Figure 3c,d), which would facilitate renal clearance.…”
Section: Resultsmentioning
confidence: 99%
“…To study the degradability of CSN in vitro , we investigated its degradation behavior in both SBF and SLF at 37 °C with or without NIR light . The morphological evolution of CSN with degradation time was observed by transmission electron microscopy (TEM).…”
Section: Resultsmentioning
confidence: 99%
“…Nanostructures and especially NPs have shown great potential for vaccine preparation [ 260 – 262 ], RNA/DNA drug delivery [ 263 – 266 ], and diagnosis [ 263 , 267 – 269 ]. About 98% of entry tiny molecules and colloid-sized particles cannot enter the brain through obstacle BBB [ 270 ].…”
Section: Rabies Virus (Rabv)mentioning
confidence: 99%
“…d 0.1 M CTAB:45 M H 2 O pore size 2.7 nm, reprinted with permission from Vazquez et al ( 2017 ). e Gold–mesoporous silica under plasmonic photothermal with irradiation for 14 h at 514 nm under 15 mW, reprinted with permission from Croissant and Guardado-Alvarez ( 2019 ). f Multibranched-polymer composite with gold–silica core–shell nanoparticles, reprinted with permission from Carrasco et al ( 2016 ).…”
Section: Mesoporous Silicamentioning
confidence: 99%