NDLI: Assessment of the removal of side nanoparticulated populations generated during one-pot synthesis by asymmetric flow field-flow fractionation coupled to elemental mass spectrometry

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Assessment of the removal of side nanoparticulated populations generated during one-pot synthesis by asymmetric flow field-flow fractionation coupled to elemental mass spectrometry

Content Provider	Scilit
Author	Bouzas-Ramos, Diego García-Cortes, Marta Sanz-Medel, Alfredo Encinar, Jorge Ruiz Costa-Fernández, José M.
Copyright Year	2017
Description	Journal: Journal of Chromatography A Coupling of asymmetric flow field-flow fractionation (AF4) to an on-line elemental detection (inductively coupled plasma-mass spectrometry, ICP-MS) has been recently proposed as a powerful diagnostic tool for characterization of the bioconjugation of CdSe/ZnS core-shell Quantum Dots (QDs) to antibodies. Such approach has been used herein to demonstrate that cap exchange of the native hydrophobic shell of core/shell QDs with the bidentate dihydrolipoic acid ligands directly removes completely the eventual side nanoparticulated populations generated during simple one-pot synthesis, which can ruin the subsequent final bioapplication. The critical assessment of the chemical and physical purity of the surface-modified QDs achieved allows to explain the transmission electron microscopy findings obtained for the different nanoparticle surface modification assayed.
Related Links	https://ria.asturias.es/RIA/bitstream/123456789/10309/1/Archivo.pdf
Ending Page	161
Page Count	6
Starting Page	156
ISSN	00219673
DOI	10.1016/j.chroma.2017.08.068
Journal	Journal of Chromatography A
Volume Number	1519
Language	English
Publisher	Elsevier BV
Publisher Date	2017-10-01
Access Restriction	Open
Subject Keyword	Journal: Journal of Chromatography A Analytical Chemistry Asymmetric Flow Field-flow Fractionation Dihydrolipoic Acid Bidentate Ligand Inductively Coupled Plasma-mass Spectrometry Quantum Dots Side Nanoparticulated Populations Surface Modification
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Medicine Analytical Chemistry Biochemistry

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