2006
DOI: 10.1166/jnn.2006.544
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Determination of the Size of Water-Soluble Nanoparticles and Quantum Dots by Field-Flow Fractionation

Abstract: Field flow fractionation (FFF) technique is used to determine the size of water-soluble Au, ZnS, ZnS-Mn2+ nanoparticles, and CdSe, CdSe-DNA quantum dots (QDs). The results of the FFF measurements are compared with the particle size analysis using conventional techniques like scanning electron microscopy (SEM), transmission electron microscopy (TEM), and dynamic light scattering (DLS) studies. Water-soluble gold nanoparticles (AuNPs) stabilized by mercaptosuccinic acid (MSA) as the ligand when analyzed by the S… Show more

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Cited by 54 publications
(26 citation statements)
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“…This combination of FlFFF and aTEM, therefore, gives a comprehensive picture of trace metal-nanoparticle associations. While various studies have utilised FFF coupled to light scattering, [34][35][36][37][38][39][40][41][42][43][44][45] ICPMS, [7,[46][47][48][49][50][51][52] TEM [33,[53][54][55] or some combination thereof, many of these studies focussed on organic matter, synthetic nanoparticles, or uncontaminated river water. This study uses the above mentioned techniques to provide a first look at the direct associations between mineral nanoparticles and toxic trace metals in contaminated sediment.…”
Section: Introductionmentioning
confidence: 99%
“…This combination of FlFFF and aTEM, therefore, gives a comprehensive picture of trace metal-nanoparticle associations. While various studies have utilised FFF coupled to light scattering, [34][35][36][37][38][39][40][41][42][43][44][45] ICPMS, [7,[46][47][48][49][50][51][52] TEM [33,[53][54][55] or some combination thereof, many of these studies focussed on organic matter, synthetic nanoparticles, or uncontaminated river water. This study uses the above mentioned techniques to provide a first look at the direct associations between mineral nanoparticles and toxic trace metals in contaminated sediment.…”
Section: Introductionmentioning
confidence: 99%
“…So far, AF4 techniques have been used to characterize the synthesis and growth of different NPs (such as water-soluble Au and QDs) [43] and to detect TiO2-NPs in commercial products (e.g. sunscreen lotion) [44] using varied detectors.…”
Section: Asymmetric Flow Field-flow Fractionation Coupled To Icp-msmentioning
confidence: 99%
“…Besides these techniques, field flow fractionation, which belongs to high resolution liquid chromatography-like elution methods for separating and sizing, can be also successfully employed for QDs size distribution analysis. 85 The structure of QDs is usually analyzed by X-ray diffraction (XRD) 86 and the elemental composition of QDs can be studied by energy dispersive X-ray analysis (known as EDS, EDX, or EDAX). 82 Other techniques, like inductively coupled plasma atomic emission spectrometry (ICP-AES), were used for analysis of QDs as well, namely for the metal ions content in QDs.…”
Section: Qds As Alternative For Prion Detectionmentioning
confidence: 99%