2021
Multifunctional Thio-Stabilized Gold Nanoparticles for Near-Infrared Fluorescence Detection and Imaging of Activated Caspase-3.
Fan J, Cheney P, Bloch S, Xu B, Liang K, Odonkor C, Edwards W, Basak S, Mintz R, Biswas P, Achilefu S. Multifunctional Thio-Stabilized Gold Nanoparticles for Near-Infrared Fluorescence Detection and Imaging of Activated Caspase-3. Current Analytical Chemistry 2021, 17: 1182-1193. PMID: 34393690, PMCID: PMC8356907, DOI: 10.2174/1573411017999210112175743.Peer-Reviewed Original ResearchNIR fluorescent probeSpherical AuNPsGold nanoparticlesFluorescent probeAqueous mediaFluorescence enhancementDetection sensitivityNIR fluorescence enhancementTransmission electron microscopyFluorescence quenching efficiencyDye-labeled peptidesSignificant fluorescence enhancementFluorescence-quenching propertyRGD peptide sequenceActivatable NIR fluorescent probeHigh detection sensitivityFluorescence molecular probesNIR fluorescence spectroscopyMultifunctional AuNPsInfrared (NIR) fluorescent probeMultifunctional constructsNIR laser sourcePeptide sequencesOrganic dyesAuNPs
2007
Effects of temperature reduction on monolayer-protected gold nanoparticle capacitance
Odonkor C, Owens S, Turbeville H, Gray C, Miles D. Effects of temperature reduction on monolayer-protected gold nanoparticle capacitance. Journal Of Electroanalytical Chemistry 2007, 603: 35-43. DOI: 10.1016/j.jelechem.2007.02.001.Peer-Reviewed Original ResearchDouble layer capacitanceElectron transferGold coreAnthraquinone moleculesGold core surfaceDifferential pulse voltammetryGold nanoparticle solutionDifferent chain lengthsPulse voltammetryGold nanoparticlesNanoparticle solutionSolution temperatureChain lengthGouy-ChapmanTransfer peakStern theoryVoltammetryNanoparticlesCapacitanceCore surfaceMoleculesElectrochemistryCH2Cl2ElectrolyteReduced temperature