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147 Newest Publications about the topic static light scattering

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Initial Droplet Size Impacts pH‐Induced Structural Changes in Phase‐Separated Polymer Dispersions

07-Apr-2016 | Chutima Thongkaew, Benjamin Zeeb, Monika Gibis, Jörg Hinrichs, Jochen Weiss, Journal of Food Science, 2016

Abstract The effect of pH change on the morphology of whey protein isolate (WPI)–pectin dispersions obtained from phase‐separated systems after mild shear was studied. The purpose of this study was to examine the impact of mixing speed on the initial particle size of biopolymer complexes and ...

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Persulfate initiated ultra-low cross-linked poly(N-isopropylacrylamide) microgels possess an unusual inverted cross-linking structure

06-Apr-2016 | O. L. J. Virtanen; A. Mourran; P. T. Pinard; W. Richtering, Soft Matter, 2016

Cross-linking density and distribution are decisive for the mechanical and other properties of stimuli-sensitive poly(N-isopropylacrylamide) microgels. Here we investigate the structure of ultra-low cross-linked microgels by static light scattering and scanning force microscopy, and show that ...

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Self-Association of Apo A-1 Studied with Dynamic and Static Light Scattering

11-Feb-2016 | Hans-Joachim Schönfeld; Dierk Roessner; Joachim Seelig, Journal of Physical Chemistry B, 2016

Static and dynamic light scattering were employed to determine simultaneously the average relative molecular mass, Mr, and the average hydrodynamic radius, Rh, of protein molecules. The new method was applied to the association–dissociation equilibrium of apolipoprotein A-1 (Apo A-1) and its ...

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Thermo-Induced Aggregation and Crystallization of Block Copolypeptoids in Water

14-Jan-2016 | Christian Secker; Antje Völkel; Brigitte Tiersch; Joachim Koetz; Helmut Schlaad, Macromolecules, 2016

Block copolypeptoids comprising a thermosensitive, crystallizable poly(N-(n-propyl)glycine) block and a water-soluble poly(N-methylglycine) block, P70My (y = 23, 42, 76, 153, and 290), were synthesized by ring-opening polymerization of the corresponding N-alkylglycine N-carboxyanhydrides (NCAs) ...

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How the Type of Cosurfactant Impacts Strongly on the Size and Interfacial Composition in Gemini 12-2-12 RMs Explored by DLS, SLS, and FTIR Techniques

12-Jan-2016 | Victor E. Cuenca; R. Darío Falcone; Juana J. Silber; N. Mariano Correa, Journal of Physical Chemistry B, 2016

The limited amount of information about reverse micelles (RMs) made with gemini surfactants, the effect of the n-alcohols in their interface, and the water-entrapped structure in the polar core motivated us to perform this work. Thus, in the present contribution, we use dynamic light scattering ...

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Effects of Bile Salt Sodium Glycodeoxycholate on the Self-Assembly of PEO–PPO–PEO Triblock Copolymer P123 in Aqueous Solution

08-Dec-2015 | Solmaz Bayati; Luciano Galantini; Kenneth D. Knudsen; Karin Schillén, Langmuir, 2015

A comprehensive experimental study on the interaction between the PEO–PPO–PEO block copolymer P123 (EO20PO68EO20) and the anionic bile salt sodium glycodeoxycholate (NaGDC) in water has been performed. The work was aimed at investigating the suitability of using P123 as bile salt sequestrant ...

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Glassy Behavior of a Tin Dioxide Nanoparticle Suspension

16-Nov-2015 | Atsumi Wakabayashi; Tatsuhiko Goto; Toshiaki Dobashi; Yasuyuki Maki, Langmuir, 2015

Dilute suspensions of charged colloidal particles with a short-range attraction and long-range repulsion can exhibit a variety of arrested states. In many applications using suspensions of charged nanoparticles, the optimization of the process requires the understanding of the mechanism ...

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Extruded versus solvent cast blends of poly(vinyl alcohol‐co‐ethylene) and biopolymers isolated from municipal biowaste

14-Nov-2015 | Flavia Franzoso, Carlos Vaca‐Garcia, Antoine Rouilly, Philippe Evon, Enzo Montoneri, Paola Persico, Raniero Mendichi ..., Journal of Applied Polymer Science, 2015

ABSTRACT Water‐soluble biopolymers (SBO) were isolated from the alkaline hydrolysate of two materials sampled from an urban waste treatment plant; that is, an anaerobic fermentation digestate and a compost. The digestate biopolymers contained more lipophilic and aliphatic C, and less acidic ...

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Role of Reverse Divalent Cation Diffusion in Forward Osmosis Biofouling

09-Nov-2015 | Ming Xie; Edo Bar-Zeev; Sara M. Hashmi; Long D. Nghiem; Menachem Elimelech, Environmental Science & Technology, 2015

We investigated the role of reverse divalent cation diffusion in forward osmosis (FO) biofouling. FO biofouling by Pseudomonas aeruginosa was simulated using pristine and chlorine-treated thin-film composite polyamide membranes with either MgCl2 or CaCl2 draw solution. We related FO biofouling ...

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Cloning, expression, purification, characterization, crystallization and X‐ray crystallographic analysis of recombinant Der f 21 (rDer f 21) from Dermatophagoides farinae

03-Nov-2015 | Sze Lei Pang, Kok Lian Ho, Jitka Waterman, Aik‐Hong Teh, Fook Tim Chew, Chyan Leong Ng, Acta Crystallographica Section F, 2015

Dermatophagoides farinae is one of the major house dust mite (HDM) species that cause allergic diseases. N‐terminally His‐tagged recombinant Der f 21 (rDer f 21), a group 21 allergen, with the signal peptide truncated was successfully overexpressed in an Escherichia coli expression system. The ...

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