Target-induced conjunction of split aptamer as new chiral selector for oligopeptide on graphene–mesoporous silica–gold nanoparticle hybrids modified sensing platform

2012 ◽  
Vol 48 (6) ◽  
pp. 799-801 ◽  
Author(s):  
Yan Du ◽  
Shaojun Guo ◽  
Haixia Qin ◽  
Shaojun Dong ◽  
Erkang Wang
Keyword(s):  
Mesoporous Silica ◽  
Gold Nanoparticle ◽  
Chiral Selector ◽  
Sensing Platform

Graphene oxide-gated mesoporous silica nanocontainers using aptamers for arsenite detection with glucometer readout

2018 ◽  
Vol 6 (41) ◽  
pp. 6585-6591 ◽  
Author(s):  
Qian Zhou ◽  
Dianping Tang
Keyword(s):  
Graphene Oxide ◽  
Mesoporous Silica ◽  
Sensing Platform ◽  
Portable Detection ◽  
Arsenite Detection

A newly portable detection sensing platform based on a graphene oxide (GO)-gated mesoporous silica nanocontainer (MSN) was designed for arsenite detection through the target-responsive release of glucose from the MSN with a glucometer readout.

scholarly journals A gold nanoparticle-intercalated mesoporous silica-based nanozyme for the selective colorimetric detection of dopamine

2020 ◽  
Vol 2 (2) ◽  
pp. 734-745 ◽  
Author(s):  
Shounak Ray ◽  
Rima Biswas ◽  
Rumeli Banerjee ◽  
Papu Biswas
Keyword(s):  
Mesoporous Silica ◽  
Gold Nanoparticle ◽  
Colorimetric Detection

A AuNP nanoparticle-incorporated mesoporous silica-based nanozyme exhibited the peroxidase-like activity and was utilized for the selective colorimetric detection of dopamine.

scholarly journals Bottom-up preparation of gold nanoparticle-mesoporous silica composite nanotubes as a catalyst for the reduction of 4-nitrophenol

2015 ◽  
Vol 36 (7) ◽  
pp. 1117-1123 ◽  
Author(s):  
Yongsheng Peng ◽  
Wenguang Leng ◽  
Bin Dong ◽  
Rile Ge ◽  
Hongdong Duan ◽  
...  
Keyword(s):  
Mesoporous Silica ◽  
Gold Nanoparticle ◽  
Bottom Up ◽  
Silica Composite ◽  
Composite Nanotubes

Synthesis of Gold Nanoparticle/Silica Nanostructures

2011 ◽  
Vol 688 ◽  
pp. 321-325
Author(s):  
Jeng Shiung Jan ◽  
Po Jui Chen ◽  
Yu Han Ho
Keyword(s):  
Mesoporous Silica ◽  
Gold Nanoparticle ◽  
Multilayer Film ◽  
Silica Network ◽  
Novel Approach ◽  
Subsequent Calcination ◽  
Good Catalytic Activity ◽  
Silica Nanostructures ◽  
Inorganic Composite ◽  
General Method

A novel approach is proposed to prepare organic-inorganic composite tubular structure by mineralizing silica and/or gold nanoparticle in the LbL assembled polypeptide multilayers films. Mesoporous silica (m-SiO2) and gold nanoparticle/mesoporous silica (Au NP/m-SiO2) tubes were prepared by subsequent calcination. The LbL assembled poly-L-lysine (PLL)/poly-L-tyrosine (PLT) multilayer film within the inner pores of polycarbonate templates acts as both a mineralizing agent and template for the formation of these materials. The as-prepared mesoporous SiO2and Au NP/m-SiO2tubes have well-defined structures. Gold nanoparticles with size smaller than 8 nm were immobilized in the silica network and the as-prepared Au NP/m-SiO2tubes exhibit good catalytic activity towards the reduction of p-nitrophenol. This approach may provide a facile and general method to synthesize organic-inorganic and metal-oxide nanocomposites with different composition and structures.

Gold nanoparticle-modified TiO2/SBA-15 nanocomposites as active plasmonic photocatalysts for the selective oxidation of aromatic alcohols

RSC Advances ◽  
2016 ◽  
Vol 6 (74) ◽  
pp. 70352-70363 ◽  
Author(s):  
Yu Chen ◽  
Weizun Li ◽  
Jingyu Wang ◽  
Qian Yang ◽  
Qidong Hou ◽  
...  
Keyword(s):  
Surface Plasmon Resonance ◽  
Mesoporous Silica ◽  
Gold Nanoparticle ◽  
Selective Oxidation ◽  
Noble Metal ◽  
Surface Plasmon ◽  
Plasmon Resonance ◽  
Catalytic Performance ◽  
Light Irradiation ◽  
Aromatic Alcohols

The catalytic performance of noble-metal on mesoporous silica hosts has been widely investigated because the effects of surface plasmon resonance can open new avenues for the improvement of catalytic performance under light irradiation.

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