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Adegoke, Oluwasesan
University of Dundee
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (35/35 displayed)
- 2024Insight into the electrochemical performance of heavy metal-free quantum dots in different buffered ferricyanide/ferrocyanide redox systemscitations
- 2024Molecularly Imprinted Viral Protein Integrated Zn−Cu−In−Se−P Quantum Dots Superlattice for Quantitative Ratiometric Electrochemical Detection of SARS-CoV‑2 Spike Protein in Salivacitations
- 2024An organic-inorganic polyacrylamide-based surface imprinted quantum dots for the impedimetric and voltammetric detection of diazepam in saliva with smartphone readoutcitations
- 2024Molecularly Imprinted Viral Protein Integrated Zn-Cu-In-Se-P Quantum Dots Superlattice for Quantitative Ratiometric Electrochemical Detection of SARS-COV-2 Spike Protein in Salivacitations
- 2024Molecularly imprinted viral protein integrated Zn-Cu-In-Se-P quantum dots superlattice for quantitative ratiometric electrochemical detection of SARS-CoV-2 spike protein in salivacitations
- 2024Heavy metal-free MnInPSeS alloyed quantum dots-molecularly imprinted polymer as an electrochemical nanosensor for the detection of the synthetic cathinone, 3,4-methylenedioxypyrovaleronecitations
- 2024Heavy metal-free MnInPSeS alloyed quantum dots-molecularly imprinted polymer as an electrochemical nanosensor for the detection of the synthetic cathinone, 3,4-methylenedioxypyrovaleronecitations
- 2023Cadmium-free silica-encapsulated molecularly imprinted AuZnCeSeS quantum dots nanocomposite as an ultrasensitive fluorescence nanosensor for methamphetamine detectioncitations
- 2023Blue-emitting SiO 2 -coated Si-doped ZnSeS quantum dots conjugated aptamer-molecular beacon as an electrochemical and metal-enhanced fluorescence biosensor for SARS-CoV-2 spike proteincitations
- 2023Blue-emitting SiO2-coated Si-doped ZnSeS quantum dots conjugated aptamer-molecular beacon as an electrochemical and metal-enhanced fluorescence biosensor for SARS-CoV-2 spike proteincitations
- 2022Thiolated gamma-cyclodextrin-polymer-functionalized CeFe3O4 magnetic nanocomposite as an intrinsic nanocatalyst for the selective and ultrasensitive colorimetric detection of triacetone triperoxidecitations
- 2022Alloyed AuFeZnSe quantum dots@gold nanorod nanocomposite as an ultrasensitive and selective plasmon-amplified fluorescence OFF-ON aptasensor for arsenic (III)citations
- 2022Alloyed AuFeZnSe quantum dots@gold nanorod nanocomposite as an ultrasensitive and selective plasmon-amplified fluorescence OFF-ON aptasensor for arsenic (III)citations
- 2022Thiolated gamma-cyclodextrin-polymer-functionalized CeFe 3 O 4 magnetic nanocomposite as an intrinsic nanocatalyst for the selective and ultrasensitive colorimetric detection of triacetone triperoxidecitations
- 2022Fabrication of a near-infrared fluorescence-emitting SiO2-AuZnFeSeS quantum dots-molecularly imprinted polymer nanocomposite for the ultrasensitive fluorescence detection of levamisolecitations
- 2022Fabrication of a near-infrared fluorescence-emitting SiO2-AuZnFeSeS quantum dots-molecularly imprinted polymer nanocomposite for the ultrasensitive fluorescence detection of levamisolecitations
- 2021Organometallic synthesis, structural and optical properties of CdSe quantum dots passivated with ternary AgZnS alloyed shellcitations
- 2021Polymeric-coated Fe-doped ceria/gold hybrid nanocomposite as an aptasensor for the catalytic enhanced colorimetric detection of 2,4-dinitrophenolcitations
- 2021Polymeric-coated Fe-doped ceria/gold hybrid nanocomposite as an aptasensor for the catalytic enhanced colorimetric detection of 2,4-dinitrophenolcitations
- 2020Aptamer-based cocaine assay using a nanohybrid composed of ZnS/Ag2Se quantum dots, graphene oxide and gold nanoparticles as a fluorescent probecitations
- 2020Fluorometric virus detection platform using quantum dots-gold nanocomposites optimizing the linker length variationcitations
- 2020Fluorometric virus detection platform using quantum dots-gold nanocomposites optimizing the linker length variationcitations
- 2019Passivating effect of ternary alloyed AgZnSe shell layer on the structural and luminescent properties of CdS quantum dotscitations
- 2019Multi-shaped cationic gold nanoparticle-L-cysteine-ZnSeS quantum dots hybrid nanozyme as an intrinsic peroxidase mimic for the rapid colorimetric detection of cocainecitations
- 2019Multi-shaped cationic gold nanoparticle-L-cysteine-ZnSeS quantum dots hybrid nanozyme as an intrinsic peroxidase mimic for the rapid colorimetric detection of cocainecitations
- 2018Single-step detection of norovirus tuning localized surface plasmon resonance-induced optical signal between gold nanoparticles and quantum dotscitations
- 2017Bright luminescent optically engineered core/alloyed shell quantum dotscitations
- 2017Alloyed quaternary/binary core/shell quantum dot-graphene oxide nanocomposite:Preparation, characterization and application as a fluorescence “switch ON” probe for environmental pollutantscitations
- 2017Alloyed quaternary/binary core/shell quantum dot-graphene oxide nanocompositecitations
- 2017Bright luminescent optically engineered core/alloyed shell quantum dots: an ultrasensitive signal transducer for dengue virus RNA via localized surface plasmon resonance-induced hairpin hybridizationcitations
- 2016Gradient band gap engineered alloyed quaternary/ternary CdZnSeS/ZnSeS quantum dotscitations
- 2016L-cysteine-capped core/shell/shell quantum dot-graphene oxide nanocomposite fluorescence probe for polycyclic aromatic hydrocarbon detectioncitations
- 2016Size-confined fixed-composition and composition-dependent engineered band gap alloying induces different internal structures in L-cysteine-capped alloyed quaternary CdZnTeS quantum dotscitations
- 2016Fluorescence properties of alloyed ZnSeS quantum dots overcoated with ZnTe and ZnTe/ZnS shellscitations
- 2015Optical properties of water-soluble l-cysteine-capped alloyed CdSeS quantum dot passivated with ZnSeTe and ZnSeTe/ZnS shellscitations
Places of action
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article
Alloyed quaternary/binary core/shell quantum dot-graphene oxide nanocomposite
Abstract
Alloyed l-cysteine-capped CdSeTeS/ZnS quantum dots (QDs) have been covalently linked to graphene oxide (GO) to form a new QD-GO nanocomposite material. Transmission electron microscopy, scanning electron microscopy, Raman, energy dispersive X-ray spectroscopy, X-ray diffraction, FT-IR, UV/vis and fluorescence spectrophotometry were used to characterize the nanocomposite material. Covalent binding of GO to the QDs quenched the fluorescence (“switch OFF”) of the QDs. The planar structure of GO and its π electron rich surface enables the adsorption of π rich aromatic analytes. Environmental pollutants, belonging to the class of polycyclic aromatic hydrocarbons (PAHs) were used as model analytes to test their affinity to adsorb onto GO via π- π interaction and trigger fluorescence transduction changes (“switch ON”) in the conjugated QDs. Our investigation showed that the affinity of the four PAH analytes tested to switch on the fluorescence of the nanocomposite probe followed the order phenanthrene > anthracene > naphthalene > pyrene.