Amorphous silica nanohybrids: Synthesis, properties and applications

Jin, Yuhui; Li, Aize; Hazelton, Sandra G.; Liu, Song; John, Carrie L.; Selid, Paul D.; Pierce, David T.; Zhao, Julia Xiaojun

doi:10.1016/j.ccr.2009.06.005

Cited by 107 publications

(80 citation statements)

References 175 publications

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“…An increase in the aging time accumulates more aggregated seeds in the micelles, whereas fine particles remain dispersed elsewhere inside the micelles. Subsequently, the hydrolysis of TEOS is initiated at the interface of the micelles, rapidly generating hydrophilic species [52]. The TEOS addition at different timing intervals will protect such Pt(OH) 2 aggregates, resulting in different Pt@SiO 2 structures with various Pt sizes.…”

Section: Resultsmentioning

confidence: 99%

Design of a core–shell Pt–SiO2 catalyst in a reverse microemulsion system: Distinctive kinetics on CO oxidation at low temperature

AlMana

Phivilay

Laveille

et al. 2016

Journal of Catalysis

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Section: Resultsmentioning

confidence: 99%

Design of a core–shell Pt–SiO2 catalyst in a reverse microemulsion system: Distinctive kinetics on CO oxidation at low temperature

AlMana

Phivilay

Laveille

et al. 2016

Journal of Catalysis

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“…Since silica nanomaterials are effectively "transparent" they are unlikely to absorb light in the near-infrared, visible or ultraviolet regions, which allows the dye molecules inside the silica matrix to keep their original optical properties [64]. Meanwhile, the presence of the silica matrix provides a new environment for dye molecules and affects dye fluorescence properties.…”

Section: Fluorescence Intensitymentioning

confidence: 99%

Silica-Based Nanoparticles: Design and Properties

Liu

John

et al. 2010

Advanced Fluorescence Reporters in Chemistry and Biology II

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A number of dye-doped silica nanoparticles (DDSNs) have been developed by encapsulating various fluorophores into silica nanomatrixes. These DDSNs have shown great potential as highly sensitive fluorescent labeling agents for biosensing and bioimaging. The silica nanomatrix affects the radiative properties and reactivity of doped fluorophores and endows the DDSN surface properties of silica. Compared with molecular fluorophores, the DDSNs exhibit advantageous properties such as high fluorescence intensity, good photostability, and biological compatibility. In this chapter, methods for silica nanoparticle synthesis and approaches for doping dye molecules within the silica nanomatrixes are overviewed. Various advantageous properties of DDSNs are discussed including reaction kinetics, solubility, photostability, quantum yield, lifetime, and toxicity.

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“…First their synthesis and further functionalization is rather simple and highly versatile, as discussed in several reviews (Wang et al 2008;Jin et al 2009;Taylor-Pashow et al 2010). Second, silica is usually considered as a non-toxic material, a property that it shares with only a few other inorganic materials such as calcium phosphate, calcium carbonate and iron oxides.…”

Section: Introductionmentioning

confidence: 99%

Silica-Based Nanoparticles for Intracellular Drug Delivery

Quignard

Masse

Coradin

2011

Intracellular Delivery

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Silica-based nanoparticles have recently raised a great deal of attention as possible drug carriers. Such an interest is driven by the possibility to control their size, the chemical composition and the porous structure as well as to easily modify their surface with a wide range of biologically-relevant functionalities, favoring colloidal stability, long-time blood circulation and even specific targeting. Drug loading can be performed during particle formation but, at this time, the most popular method relies on the impregnation of pre-formed mesoporous colloids. Strategies to control drug delivery via bio-responsive pore capping are also developed. However, despite an increasing number of in vitro and in vivo studies related to the interaction of silica particles with cells and animals, their biocompatibility is still an issue, especially if applications in intracellular drug delivery are foreseen.

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Amorphous silica nanohybrids: Synthesis, properties and applications

Cited by 107 publications

References 175 publications

Design of a core–shell Pt–SiO2 catalyst in a reverse microemulsion system: Distinctive kinetics on CO oxidation at low temperature

Design of a core–shell Pt–SiO2 catalyst in a reverse microemulsion system: Distinctive kinetics on CO oxidation at low temperature

Silica-Based Nanoparticles: Design and Properties

Silica-Based Nanoparticles for Intracellular Drug Delivery

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