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NCL Method PCC-19

By Jeffrey Clogston, Yingwen Hu1

Leidos Biomedical Research, Inc.

Asymmetric-flow field-flow Fractionation

Listed in Datasets | publication by group NCL Protocols

Version 2.0 - published on 09 Jul 2020 doi:10.17917/8S1D-BN17 - cite this

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Description

Nanomaterials are inherently polydispersed. Traditional techniques, such as the widely used batch-mode dynamic light scattering (DLS) analysis, are not ideal nor thoroughly descriptive enough to define the full complexity of these materials. Asymmetric-flow field-flow fractionation (AF4) with various in-line detectors, such as ultraviolet–visible (UV-Vis), multi-angle light scattering (MALS), refractive index (RI) and dynamic light scattering (DLS) is an alternative technique that can provide flow-mode analysis of not only size distribution, but also shape, drug release/stability, and protein binding [1-3].

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