Results 191 to 200 of about 1,213 (241)

Introduction of Temperature-Gradient Elution in Three-Dimensional Correlation Thermal Field-Flow Fractionation with Quintuple Detection for Monitoring Compositional Dynamics of Ultrahigh-Molar-Mass Poly(styrene-<i>co</i>-maleic anhydride). [PDF]

ACS Macro Lett
Muza UL, Smith MP, Johani JT, Klumperman B, Lederer A.   +4 more
europepmc   +1 more source

Disc-Toroid Hybrid Lipid Nanoparticles for Efficient Drug Encapsulation and Subcutaneous Delivery. [PDF]

Small
van Niekerk Z, Nuwayhid R, Gaydarova S, Bittrich E, Makarova N, Boye S, Tzachev C, Simon JC, Franz S, Lederer A.   +9 more
europepmc   +1 more source

Role of Polymer Backbone Rigidity on the Solution Properties of Bioderived Poly(styrene-<i>co</i>-maleic anhydride) Derivatives. [PDF]

ACS Polym Au
Smith MP, Boye S, Klumperman B, Lederer A.   +3 more
europepmc   +1 more source

Structural Profiling of Lipid Nanoparticles at Sub-10 nm Resolution via AF4 Coupled Online to SAXS and SANS. [PDF]

Small Methods
Bittrich E, Boye S, Van Niekerk Z, Stanvliet Z, Porfetye A, Herranz-Trillo F, Bolinsson H, Gaydarova S, Tzachev C, Martel A, Nilsson L, Schweins R, Lederer A.   +12 more
europepmc   +1 more source

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Field and flow programming in frit-inlet asymmetrical flow field-flow fractionation

Journal of Chromatography A, 2002
The separation of wide molecular mass (Mr) ranges of macromolecules using frit inlet asymmetrical flow field-flow fractionation (FI-AFlFFF) has been improved by implementing a combination of field and flow programming. In this first implementation, field strength (governed by the cross flow-rate through the membrane-covered accumulation wall) is ...
Myeong Moon, Dukjin Kang, P Stephen Williams   +2 more
exaly   +3 more sources

Optimisation of asymmetrical flow field flow fractionation for environmental nanoparticles separation

Journal of Chromatography A, 2008
The fractionation of natural nanoparticles by Asymmetrical Flow Field Flow Fractionation (As-Fl-FFF) was optimised by considering the following operating conditions: ionic strength, surfactant concentration and crossflow rate. The method performances such as fractionation recovery and fractionation efficiency were evaluated on a stable solution of ...
Gaétane Lespes, Frank Von Der Kammer, Isabelle Le Hécho   +2 more
exaly   +3 more sources

Design of an asymmetrical flow field-flow fractionation channel for uniform channel flow velocity

Journal of Separation Science, 1997
A new design for an asymmetrical flow field-flow fractionation (FFF) channel, having a breadth that decreases exponentially along its length, is presented. It is shown that such a channel may be operated under certain flow conditions to obtain a constant mean channel flow velocity throughout its effective length.
P Stephen Williams
exaly   +2 more sources

Asymmetric Flow Field-Flow Fractionation in the Field of Nanomedicine

Analytical Chemistry, 2014
Asymmetric flow field-flow fractionation (AF4) is a widely used and versatile technique in the family of field-flow fractionations, indicated by a rapidly increasing number of publications. It represents a gentle separation and characterization method, where nonspecific interactions are reduced to a minimum, allows a broad separation range from several
Michael, Wagner, Stephan, Holzschuh, Anja, Traeger, Alfred, Fahr, Ulrich S, Schubert   +4 more
openaire   +2 more sources

Fractionation of Humic Substances by Asymmetrical Flow Field-Flow Fractionation

Chromatographia, 2005
Asymmetrical flow field-flow fractionation was used to investigate the effects of pH and ionic strength of the buffer, and the binding of polyaromatic hydrocarbons (PAHs) on the particle sizes of humic substances (HSs). Particle sizes were greater when HSs were present in acidic medium with phosphate buffer than when they were present in alkaline ...
G. Yohannes, S. K. Wiedmer, M. Jussila, M.-L. Riekkola   +3 more
openaire   +1 more source

Analysis of plant ribosomes with asymmetric flow field-flow fractionation

Analytical and Bioanalytical Chemistry, 2013
Ribosome profiling is a technique used to separate ribosomal subunits, 80S ribosomes (monosomes), and polyribosomes (polysomes) from other RNA-protein complexes. It is traditionally performed in sucrose gradients. In this study, we used asymmetric flow field-flow fractionation (AsFlFFF) to characterize ribosome profiles of Nicotiana benthamiana plants.
Eskelin Katri, Pitkanen Leena, Tuomainen Paivi   +2 more
openaire   +2 more sources