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Field-Flow Fractionation (FFF)

Size Determination of Pollens Using Gravitational and Sedimentation Field-Flow Fractionation

Size Determination of Pollens Using Gravitational and Sedimentation Field-Flow Fractionation

... two field-flow fractionation (FFF) techniques, gravitational FFF (GrFFF) and sedimentation FFF (SdFFF), for their applicability to size ­ characterization of micron-sized ...the field strength ...

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Final Report. Project Title Field-Flow Fractionation of Carbon Nanotubes and Related Materials

Final Report. Project Title Field-Flow Fractionation of Carbon Nanotubes and Related Materials

... Project goal and objective The principal aim of this project was to investigate the chemistry and particle-size distribution of nanoparticles. A particular emphasis was to develop Field-Flow ...

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Frit inlet field-flow fractionation techniques for the characterization of polyion complex self-assemblies

Frit inlet field-flow fractionation techniques for the characterization of polyion complex self-assemblies

... with fractionation techniques is a choice ...reason, Field-Flow Fractionation (FFF) techniques and mainly Flow FFF have been increasingly assessed as separation methods for ...

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Characterization of seed nuclei in glucagon aggregation using light scattering methods and field-flow fractionation

Characterization of seed nuclei in glucagon aggregation using light scattering methods and field-flow fractionation

... Traditionally, polydisperse protein solutions have been separated by size-exclusion chromatography (SEC) for downstream light scattering analysis. In a recent study, the size of glucagon aggregates was evaluated by SEC ...

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Investigation of tin adsorption on silica nanoparticles by using flow field-flow fractionation with offline inductively coupled plasma mass spectrometry

Investigation of tin adsorption on silica nanoparticles by using flow field-flow fractionation with offline inductively coupled plasma mass spectrometry

... 2017). Field-flow fractionation (FFF) is a separation tech- nique which has great ability for separating particles, molecules, and colloids in the range of nanometers up to ...external field ...

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Fraunhofer, Wolfgang
  

(2003):


	Asymmetrical flow field-flow-fractionation in pharmaceutical analytics: Investigations in aggregation tendencies of pharmaceutical antibodies.


Dissertation, LMU München: Fakultät für Chemie und Pharmazie

Fraunhofer, Wolfgang (2003): Asymmetrical flow field-flow-fractionation in pharmaceutical analytics: Investigations in aggregation tendencies of pharmaceutical antibodies. Dissertation, LMU München: Fakultät für Chemie und Pharmazie

... Field-flow fractionation (FFF) is introduced in Chapter 2 as a family of analytical techniques with broad application range. Although pioneered almost four decades ago, FFF was adopted in analytical ...

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Flow field-flow fractionation: new method for separating, purifying, and characterizing the diffusivity of viruses.

Flow field-flow fractionation: new method for separating, purifying, and characterizing the diffusivity of viruses.

... Thermal field-flow fractionation: extension to lower molecular weight separations by increasing the liq- uid temperature range using a pressurized system. Sedimentation field-flow fracti[r] ...

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MASS RECOVERIES IN NANO TO MICROPARTICLE ANALYSIS OF ENVIRONMENTAL SAMPLES VIA FLOW FIELD FLOW FRACTIONATION-INDUCTIVELY-COUPLED

MASS RECOVERIES IN NANO TO MICROPARTICLE ANALYSIS OF ENVIRONMENTAL SAMPLES VIA FLOW FIELD FLOW FRACTIONATION-INDUCTIVELY-COUPLED

... by Flow Field Flow Fractionation, Inductively Coupled Plasma-Mass Spectroscopy, and Transmission Electron Microscopy/X-ray Energy Dispersive Spectroscopy: Colloids- Trace Element ...

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Physical characterization of biomedical magnetic nanoparticles using multi-detector centrifugal field-flow fractionation

Physical characterization of biomedical magnetic nanoparticles using multi-detector centrifugal field-flow fractionation

... Results It was shown that using the multi-detector CFFF method, MNP can be accurately and reproducibly fractionated into their component populations and their associated size and size distribution as well as the ...

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COLLOIDS   FIELD FLOW FRACTIONATION pdf

COLLOIDS FIELD FLOW FRACTIONATION pdf

... ow fractionation (SdHyFFF) technique differs from conventional FFF methods in that the solute zone is focused into a thin layer by the opposing forces of centrifugal acceleration and buoyancy in a density ...

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POLYMERS   Field Flow Fractionation pdf

POLYMERS Field Flow Fractionation pdf

... Two subtechniques of the R eld- S ow fractionation (FFF) family are used to separate polymers with high resolution on an analytical scale; these are thermal FFF (ThFFF) and S ow FFF (FlF[r] ...

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PROTEINS   Field Flow Fractionation pdf

PROTEINS Field Flow Fractionation pdf

... presence of the membrane therefore determines the smallest-sized species capable of being retained in a Fl-FFF channel. Such membrane effects have been used to advant- age, however. Proteins have been characterized with ...

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Theory and Instrumentation of Field Flow Fractionation pdf

Theory and Instrumentation of Field Flow Fractionation pdf

... (6) longitudinal flow outlet. (B) Circular capillary for flow FFF with: (1) overpressure applied from the inside; (2) cross-flow applied externally. The carrier liquid passes through the membranes ...

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Advection-dispersion in symmetric field-flow fractionation channels

Advection-dispersion in symmetric field-flow fractionation channels

... Abstract We model the evolution of the concentration eld of macromole- cules in a symmetric eld-ow fractionation (FFF) channel by a one- dimensional advection-diusion equation. The coecients are pre- cisely ...

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A novel method to detect unlabeled inorganic nanoparticles and submicron particles in tissue by sedimentation field-flow fractionation

A novel method to detect unlabeled inorganic nanoparticles and submicron particles in tissue by sedimentation field-flow fractionation

... Well established FFF theory [11] allows the particle size corresponding to a given elution time to be calculated directly from first principles [19]. For SdFFF the calcula- tion is based on measurable physical parameters ...

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Asymmetrical flow field-flow fractionation in virus purification

Asymmetrical flow field-flow fractionation in virus purification

... the field of chromatography they are considered as large macromolecular complexes leaving many traditional chromatography resins inapplicable for the purification of ...

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Effect of flow development region and fringing magnetic force field on annular split-flow thin fractionation

Effect of flow development region and fringing magnetic force field on annular split-flow thin fractionation

... (SPLITT) fractionation devices have been widely used to separate macromolecules, colloids, cells and ...magnetic flow sorter (QMS) has been reported in the literature as another family of SPLITT ...

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General theory for flow optimisation of split-flow thin fractionation

General theory for flow optimisation of split-flow thin fractionation

... magnetic field intensity can be carefully designed, the field-induced particle migration velocity can also be ...SPLITT fractionation channel are dramatic reduction of operation time and possible ...

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Fractionation of Cell Mixtures Using Acoustic and Laminar Flow Fields

Fractionation of Cell Mixtures Using Acoustic and Laminar Flow Fields

... cesses. In addition, there is a relatively wide spread in the size distribution, the cells may not be spherical, and may tend to form clusters. Since the cell density is higher and its compressibility is lower than that ...

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Surfactant flow between a Plateau border and a film during foam fractionation

Surfactant flow between a Plateau border and a film during foam fractionation

... Throughout our work a simplifying assumption has been that the domain of the film- Plateau border system is fixed with a planar film joining up directly with a circular arc border. The pressure jumps across the ...

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