Search results for "citrate capping"

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Study of the Stability of Citrate Capped AgNPs in Several Environmental Water Matrices by Asymmetrical Flow Field Flow Fractionation

2021

Asymmetrical flow field-flow fractionation (AF4) coupled to UV-Vis and dynamic light scattering (DLS) detectors in series, was tested for stability studies of dispersions of citrate-capped silver nanoparticles (AgNPs) in several water matrices. The main goal is to provide knowledge to understand their possible behavior in the environment for short times since mixturing (up to 180 min). Ultrapure (UPW), bottled (BW1, BW2), tap (TW), transitional (TrW) and sea water (SW) matrices were assayed. Observations were compatible with the aggregation of AgNPs, a change in the plasmon band and a size growth with time were done. Fractograms showed different evolution fingerprints in the function of the…

silver nanoparticlesGeneral Chemical EngineeringAnalytical chemistrysea water02 engineering and technologyFractionation010501 environmental sciences01 natural sciencesSilver nanoparticleArticlelcsh:ChemistryMatrix (mathematics)Dynamic light scatteringpotable waterDissolved organic carboncitrate cappingGeneral Materials Science0105 earth and related environmental sciencesAqueous solutionAF4Chemistryaggregation021001 nanoscience & nanotechnologylcsh:QD1-999Ionic strengthSeawatertransitional water0210 nano-technologyNanomaterials

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