2025
Unique Complex Structure and Mechanism of Physisorption of Defect-Free Cyclic Poly(ethylene glycol) onto Gold Nanoparticles
Watanabe T, Yamasaki M, Nakai T, Pottammal B, Maruyama Y, Iwase H, Ryoki A, Gao T, Li F, Isono T, Tajima K, Satoh T, Sato S, Yamamoto T. Unique Complex Structure and Mechanism of Physisorption of Defect-Free Cyclic Poly(ethylene glycol) onto Gold Nanoparticles. Langmuir 2025, 41: 13993-14007. PMID: 40420393, DOI: 10.1021/acs.langmuir.5c00930.Peer-Reviewed Original ResearchSmall-angle neutron scatteringNuclear magnetic resonanceCyclic poly(ethylene glycolMolecular dynamicsGold nanoparticlesValues of free energy of adsorptionSurface functionalization of gold nanoparticlesPoly(ethylene glycolFree energy of adsorptionFunctionalization of gold nanoparticlesHO-PEG-OHHS-PEG-OMeSmall-angle neutron scattering dataEnergy of adsorptionWater moleculesSurface of AuNPsMD simulationsGold surfaceUnique structurePhysisorptionSurface functionalizationNeutron scatteringAdsorption densityFavorable adsorptionMechanism of physisorptionA Multi-Modal and Generalizable Nanogold Tag for Cryo-Electron Tomography in Intact Cells
Young L, Sherrard A, Shaikh F, Zhou H, Hutchings J, Rosen M, Giraldez A, Villa E. A Multi-Modal and Generalizable Nanogold Tag for Cryo-Electron Tomography in Intact Cells. Structural Dynamics 2025, 12: a166-a166. DOI: 10.1063/4.0000475.Peer-Reviewed Original ResearchCryo-electron tomographyPer-particle basisSpatial resolutionSubtomogram analysisCryo-electronAssociated with heterochromatinHistone variantsStructure-function-relationshipsRibosomal targetMinimal perturbationIntact cellsTagging methodHomologous moleculesHeterochromatinTarget macromoleculesNative environmentGold nanoparticlesSubtomogramPerturbationTunable Gas Permeation Behavior through Robust, Freestanding Self-Assembled Metal Nanoparticle Membranes
Kwon N, Roh J, Kim G, Kim Y, Park H, Lim B. Tunable Gas Permeation Behavior through Robust, Freestanding Self-Assembled Metal Nanoparticle Membranes. Nano Letters 2025, 25: 1870-1875. PMID: 39871542, DOI: 10.1021/acs.nanolett.4c05275.Peer-Reviewed Original ResearchGas selectivityGas separationMembrane-based gas separationsMolecular gas separationGas separation membranesSelf-assembled gold nanoparticlesGas permeation behaviorLow gas selectivityIndustrial gas separation processesGas separation processesGas pairsTunable selectivityKnudsen selectivityNP ligandsSeparation membranesKinetic diameterSmall gasesSilane moleculesNanoparticle membranesAu NPsGold nanoparticlesRoom temperatureMicroporous membranesPermeation behaviorSeparation process
2024
Multiplexable and Scalable Aqueous Synthesis Platform for Oleate‐Based, Bilayer‐Coated Gold Nanoparticles (Small 25/2024)
Backhaus A, Albrecht J, Alzhanova G, Long A, Arnold W, Lee J, Tse H, Su T, Cruz‐Gomez S, Lee S, Menges F, Parent L, Ratjen L, Burtness B, Fortner J, Zimmerman J. Multiplexable and Scalable Aqueous Synthesis Platform for Oleate‐Based, Bilayer‐Coated Gold Nanoparticles (Small 25/2024). Small 2024, 20 DOI: 10.1002/smll.202470191.Peer-Reviewed Original ResearchMultiplexable and Scalable Aqueous Synthesis Platform for Oleate‐Based, Bilayer‐Coated Gold Nanoparticles
Backhaus A, Albrecht J, Alzhanova G, Long A, Arnold W, Lee J, Tse H, Su T, Cruz‐Gomez S, Lee S, Menges F, Parent L, Ratjen L, Burtness B, Fortner J, Zimmerman J. Multiplexable and Scalable Aqueous Synthesis Platform for Oleate‐Based, Bilayer‐Coated Gold Nanoparticles. Small 2024, 20: e2309919. PMID: 38377304, DOI: 10.1002/smll.202309919.Peer-Reviewed Original ResearchGold nanoparticlesReaction scale-upLigand exchangeSpectroscopic investigationsSelf-AssemblyGram levelReaction efficiencyCapping agentSodium oleateSynthesis platformPreparation procedureGold-based nanomaterialsPhysiological pHReactionNanoparticlesSynthesis limitationsSynthesisGrowth processControl resultsParticle concentrationMultiplexingSize precisionConventional thermocyclerScale-upGold
2023
Pharmacological effect of gold nanoparticles from red algae Halymenia venusta on A549 cell line
Baskar G, Palaniyandi T, Viswanathan S, Wahab M, Surendran H, Ravi M, Rajendran B, Govindasamy G, Sivaji A, Kaliamoorthy S. Pharmacological effect of gold nanoparticles from red algae Halymenia venusta on A549 cell line. Inorganic Chemistry Communications 2023, 155: 111005. DOI: 10.1016/j.inoche.2023.111005.Peer-Reviewed Original ResearchUltra-violet spectroscopyGold nanoparticlesSurface plasmon resonanceFourier transform infra-red spectroscopy (FTIR) analysesX-ray diffraction spectroscopyStable gold nanoparticlesInfra-red spectroscopy analysisGreen synthesisDiffraction spectroscopyFree radical scavenging capabilityRadical scavenging capabilitySpectroscopy analysisAnalytical techniquesCrystalline structurePlasmon resonanceNanoparticlesA549 cell lineReactive oxygen species assaysPromising anti-cancer potentialAntiproliferative activityElectron microscopyAntimicrobial activitySpectroscopyScavenging capabilityAnti-cancer potentialGreen synthesis of gold nanoparticles using Halymenia pseudofloresii extracts and their antioxidant, antimicrobial, and anti-cancer activities
Palaniyandi T, Viswanathan S, Prabhakaran P, Baskar G, Wahab M, Sivaji A, Ravi M, Rajendran B, Moovendhan M, Surendran H, Kumarasamy S. Green synthesis of gold nanoparticles using Halymenia pseudofloresii extracts and their antioxidant, antimicrobial, and anti-cancer activities. Biomass Conversion And Biorefinery 2023, 1-12. DOI: 10.1007/s13399-023-03873-y.Peer-Reviewed Original ResearchSurface plasmon resonance peakGold nanoparticlesUV spectroscopyFormation of nanoparticlesPlasmon resonance peakX-ray diffraction analysisNumerous biomedical applicationsReactive oxygen species (ROS) generation assaysGreen synthesisAuNPs morphologyAnticancer screeningSynthesized nanoparticlesCarboxylic groupsEfficient antibacterial effectGreen methodPotential cytotoxic activityAnticancer applicationsFTIR analysisDiffraction analysisBioactive moleculesBiomedical purposesNanoparticlesBiomedical applicationsScanning electron microscope analysisGlioblastoma cancer cells
2022
Biogenic synthesis of gold nanoparticles using red seaweed Champia parvula and its anti-oxidant and anticarcinogenic activity on lung cancer
Viswanathan S, Palaniyandi T, Kannaki P, Shanmugam R, Baskar G, Rahaman A, Paul L, Rajendran B, Sivaji A. Biogenic synthesis of gold nanoparticles using red seaweed Champia parvula and its anti-oxidant and anticarcinogenic activity on lung cancer. Particulate Science And Technology 2022, 41: 241-249. DOI: 10.1080/02726351.2022.2074926.Peer-Reviewed Original ResearchCP-AuNPsGold nanoparticlesSurface plasmon resonance peakTransmission electron microscopeBiocompatible gold nanoparticlesHigh anti-cancer potentialPlasmon resonance peakX-ray diffraction spectraUV spectroscopy analysisBiogenic synthesisBiogenic methodSpectroscopic techniquesOrganic compoundsCrystal natureSpectroscopy analysisFree radical scavenging abilityRadical scavenging abilityScanning electron microscope analysisDiffraction spectraAnti-cancer activityNanoparticlesElectron microscope analysisAnti-cancer potentialElectron microscopeRed marineNanoparticles: The Promising Future of Advanced Diagnosis and Treatment of Neurological Disorders
Nuthalapati P, Asaithambi S, Kumar M, Reddy D. Nanoparticles: The Promising Future of Advanced Diagnosis and Treatment of Neurological Disorders. 2022, 221-234. DOI: 10.1201/9781003157823-18.Peer-Reviewed Original ResearchBlood-brain barrierMultiple sclerosisLimitations of current therapiesNeurological disordersParkinson's diseaseHuntington's diseaseCurrent therapiesClinical studiesTransport drugsNanoparticle strategiesIntroduction of nanotechnologyNoninvasive techniqueNanoparticle technologyDiseaseDrugDamaged nervous tissuePersistent luminescence imagingAdvanced diagnosisEtiologyGold nanoparticlesBrainDisordersNervous tissueDisease treatmentSclerosisProtein nanowires with tunable functionality and programmable self-assembly using sequence-controlled synthesis
Shapiro DM, Mandava G, Yalcin SE, Arranz-Gibert P, Dahl PJ, Shipps C, Gu Y, Srikanth V, Salazar-Morales AI, O’Brien J, Vanderschuren K, Vu D, Batista VS, Malvankar NS, Isaacs FJ. Protein nanowires with tunable functionality and programmable self-assembly using sequence-controlled synthesis. Nature Communications 2022, 13: 829. PMID: 35149672, PMCID: PMC8837800, DOI: 10.1038/s41467-022-28206-x.Peer-Reviewed Original ResearchConceptsProtein nanowiresElectronic functionalityChemical-based synthesisConductive protein nanowiresSequence-controlled synthesisHigh electronic conductivityGold nanoparticlesSite-specific conjugationSynthetic chemistryTunable functionalityElectronic conductivityTunable propertiesAttractive biomaterialNonstandard amino acidsSynthetic biologyNanowiresBiomaterialsProtein materialSynthesisAtomic structureMost biomaterialsIncorporation of tryptophanFunctionalityConductivityNanoparticles
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
2019
Patterning Nanoparticles with DNA Molds
Liu L, Zheng M, Li Z, Li Q, Mao C. Patterning Nanoparticles with DNA Molds. ACS Applied Materials & Interfaces 2019, 11: 13853-13858. PMID: 30793605, DOI: 10.1021/acsami.8b22691.Peer-Reviewed Original ResearchConceptsSelf-assembled DNA nanostructuresAtomic force microscopyGold nanoparticlesNonspecific adsorptionDNA nanostructuresPatterned nanoparticlesForce microscopyNanoparticlesAccessible cavitiesSpecific recognitionStructural templateNanostructuresHexagonal arrayTemplateAdsorptionGeneral methodSubstrateDNA arraysHereinDNA templateFourier transform analysisMicroscopyArrayDirect interactionLarge array
2018
Non-invasive Point-of-Care Device To Diagnose Acute Mesenteric Ischemia
Abdelrasoul GN, MacKay S, Salim S, Ismond K, Tamura M, Khalifa C, Mannan E, Lin D, Mandal T, Montgomery R, Wishart D, Chen J, Khadaroo R. Non-invasive Point-of-Care Device To Diagnose Acute Mesenteric Ischemia. ACS Sensors 2018, 3: 2296-2302. PMID: 30335977, DOI: 10.1021/acssensors.8b00558.Peer-Reviewed Original ResearchConceptsGold nanoparticlesBiosensor devicesNon-faradic impedance spectroscopyElectrochemical biosensor deviceNon-invasive pointElectrochemical biosensorDetection antibodyCapture antibodyCare devicesImmediate bedside diagnosisElectrode surfacePhotolithographic techniquesDetection signalSandwich mannerImpedance spectroscopySilicon dioxideBedside translationImpedance signalDevicesTarget proteinsI-FABP concentrationsFatty acid binding proteinNanoparticlesBiosensorSpectroscopy
2016
Colorimetric detection of proteins based on target-induced activation of aptazyme
Wu D, Gao T, Lei L, Yang D, Mao X, Li G. Colorimetric detection of proteins based on target-induced activation of aptazyme. Analytica Chimica Acta 2016, 942: 68-73. PMID: 27720123, DOI: 10.1016/j.aca.2016.09.010.Peer-Reviewed Original ResearchConceptsTarget proteinsDetection of proteinsCost-effective detectionAntibody-based assaysAptazymesTarget-induced activityGold nanoparticlesConformational changesDNA linkersProteinDetection of analytesProtein assayCross-linked gold nanoparticlesSignal amplificationEconomical synthesisAssayColorimetric detection of proteinDetection limitAssay methodSignal recognitionColorimetric detectionAnalytical performanceDetection methodGrowth factorDetection of vascular endothelial growth factor
2015
Impedance Spectroscopy of Ionic Ligand‐Modulated Charge Transport of Gold Nanoparticle Films
Yu X, Malvankar N, Landis R, Eymur S, Miranda OR, Rotello VM. Impedance Spectroscopy of Ionic Ligand‐Modulated Charge Transport of Gold Nanoparticle Films. Small 2015, 11: 3814-3821. PMID: 25919594, DOI: 10.1002/smll.201500127.Peer-Reviewed Original ResearchNanoparticle filmsImpedance spectroscopyGold nanoparticle filmsMonolayer-protected nanoparticlesUnique electrical propertiesNanoparticle assembliesGold nanoparticlesIonic ligandsInorganic coreOrganic shellLigand shellElectron transport processesNanoparticlesGas sensorsConductance modulationStructure-function correlationsCharge transportElectron transportElectrical propertiesConductance behaviorSpectroscopyFilmsShellElectronsLigandsComprehensive bioimaging with fluorinated nanoparticles using breathable liquids
Kurczy ME, Zhu ZJ, Ivanisevic J, Schuyler AM, Lalwani K, Santidrian AF, David JM, Giddabasappa A, Roberts AJ, Olivos HJ, O’Brien P, Franco L, Fields MW, Paris LP, Friedlander M, Johnson CH, Epstein AA, Gendelman HE, Wood MR, Felding BH, Patti GJ, Spilker ME, Siuzdak G. Comprehensive bioimaging with fluorinated nanoparticles using breathable liquids. Nature Communications 2015, 6: 5998. PMID: 25601659, PMCID: PMC4454288, DOI: 10.1038/ncomms6998.Peer-Reviewed Original ResearchConceptsF-AuNPsNon-polar moleculesTeflon-like coatingDesorption/ionizationFluorinated nanoparticlesGold nanoparticlesMass spectrometry imagingAnalyte desorptionRemarkable biocompatibilityMass spectrometry analysisElectron microscopyUnique propertiesMass spectrometryMultimodal imagingNanoparticlesContrast agentsSpectrometry imagingSpectrometry analysisFluorocarbonSynthetic bloodFluorocarbon liquidAuNPsLiquidNanostructuresBiocompatibility
2010
Photonic interaction between quantum dots and gold nanoparticles in discrete nanostructures through DNA directed self-assembly
Wang Q, Wang H, Lin C, Sharma J, Zou S, Liu Y. Photonic interaction between quantum dots and gold nanoparticles in discrete nanostructures through DNA directed self-assembly. Chemical Communications 2010, 46: 240-242. PMID: 20024338, DOI: 10.1039/b915712c.Peer-Reviewed Original Research
2008
Toward Green Nano
Eckelman M, Zimmerman J, Anastas P. Toward Green Nano. Journal Of Industrial Ecology 2008, 12: 316-328. DOI: 10.1111/j.1530-9290.2008.00043.x.Peer-Reviewed Original ResearchGreen nanoE-factorSynthesis of nanomaterialsGreener synthesis routesGreen chemistry metricsGold nanoparticlesNanomaterial productionMetal nanoparticlesSpecific nanomaterialsCarbon nanotubesGreen chemistryTraditional synthesisSynthesis routeNanoNanomaterialsPotential applicationsDifferent production methodsNanotechnologyNanoparticlesProduction methodsResearch interestEnvironmental implicationsNew classSynthesisOrders of magnitude
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
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