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147 Newest Publications about the topic static light scattering

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Reappearance of Slow Mode in Mixtures of Polyethylene Glycol and Poly(Sodium Methacrylate)

26-May-2018 | Ksenija Kogej; Jaka Štirn; Jurij Reščič, Soft Matter, 2018

Mixtures of an anionic polyelectrolyte poly(sodium methacrylate), NaPMA, and a neutral polymer polyethylene glycol, PEG, were investigated by dynamic and static light scattering techniques at different concentrations and chain-lengths of PEG. The NaPMA standard with a narrow molecular weight ...

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Novel Acrylamide/2-Acrylamide-2-methylpropanesulfonic Acid/4-Vinylpyridine Terpolymer as an Anti-calcium Contamination Fluid-Loss Additive for Water-Based Drilling Fluids

27-Oct-2017 | Jie Cao; Lingwei Meng; Yuping Yang; Yuejun Zhu; Xiaoqiang Wang; Chengyan Yao; Mingbo Sun; Hanyi Zhong, Energy & Fuels, 2017

A novel terpolymer of acrylamide (AM), 4-vinylpyridine (VP), and 2-acrylamide-2-methylpropanesulfonic acid (AMPS) was synthesized through free radical polymerization and characterized by proton nuclear magnetic resonance, Fourier transform infrared spectroscopy, elemental analysis, and static ...

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Improving the Folding of Supramolecular Copolymers by Controlling the Assembly Pathway Complexity

19-Oct-2017 | Gijs M. ter Huurne; Lafayette N. J. de Windt; Yiliu Liu; E. W. Meijer; Ilja K. Voets; Anja R. A. Palmans, Macromolecules, 2017

A family of amphiphilic, heterograft copolymers containing hydrophilic, hydrophobic, and supramolecular units based on Jeffamine M-1000, dodecylamine, and benzene-1,3,5-tricarboxamide (BTA) motifs, respectively, was prepared via a postfunctionalization approach. The folding of the copolymers in ...

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Pitfalls in Size Characterization of Soft Particles by Dynamic Light Scattering Online Coupled to Asymmetrical Flow Field-Flow Fractionation

13-Oct-2017 | Simona Sitar; Valerija Vezočnik; Peter Maček; Ksenija Kogej; David Pahovnik; Ema Žagar, Analytical Chemistry, 2017

An asymmetrical flow field-flow fractionation (AF4) technique coupled to a multiangle light scattering (MALS) detector with an embedded dynamic light scattering (DLS) module was introduced to study the size characteristics and shape of soft particles of various size and type: polystyrene ...

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Aqueous self‐assembly of pullulan‐b‐poly(2‐ethyl‐2‐oxazoline) double hydrophilic block copolymers

25-Aug-2017 | Jochen Willersinn, Bernhard V. K. J. Schmidt, Journal of Polymer Science Part A: Polymer Chemistry, 2017

ABSTRACT The self‐assembly of a novel double hydrophilic block copolymer in water without the application of external triggers is described, namely pullulan‐b‐poly(2‐ethyl‐2‐oxazoline) (Pull‐b‐PEtOx). The biomacromolecules, Pull (8–38 kgmol−1), is modified and conjugated to biocompatible ...

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Solution properties, unperturbed dimensions, and chain flexibility of poly(1‐adamantyl acrylate)

11-Aug-2017 | Wei Lu, Panchao Yin, Masashi Osa, Weiyu Wang, Nam‐Goo Kang, Kunlun Hong, Jimmy W. Mays, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT Poly(1‐adamantyl acrylate) (PAdA) exhibits much higher glass transition and degradation temperatures than other polyacrylates. However, the quantitative evaluation of the stiffness of this polymer chain has not been reported previously. In this study, the dilute solution properties ...

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Rigorous analysis of static light scattering measurements on buffered protein solutions

23-Jul-2017 | Author(s): Peter R. Wills, Donald J. Winzor, Biophysical Chemistry, 2017

Publication date: Available online 20 July 2017 Source:Biophysical Chemistry Author(s): Peter R. Wills, Donald J. Winzor Attention is drawn to the thermodynamic invalidity of the current practice of analyzing static light scattering measurements on globular proteins in terms of theory ...

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Mesoscopic Structural Aspects of Ca2+-Triggered Polymer Chain Folding of a Tetraphenylethene-Appended Poly(acrylic acid) in Relation to Its Aggregation-Induced Emission Behavior

18-Jul-2017 | Ken Morishima; Fumitaka Ishiwari; Satoko Matsumura; Takanori Fukushima; Mitsuhiro Shibayama, Macromolecules, 2017

We recently reported that tetraphenylethene-appended poly(acrylic acid) derivatives [PAA-TPEx (x = 0.01–0.05)] provide a fluorescent Ca2+ sensor, where aggregation-induced emission (AIE) of the TPE pendants occurs in conjunction with Ca2+-triggered polymer-chain folding. On the basis of dynamic ...

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Solvent-Regulated Mesoscale Aggregation Properties of Dilute PBTTT-C14 Solutions

11-Jul-2017 | Han L. Yi; Ching H. Wu; Chun I Wang; Chi C. Hua, Macromolecules, 2017

Contrasting mesoscale aggregate features of a promising conjugated polymer, poly(2,5-bis(3-tetradecylthiophene-2-yl)thieno[3,2-b]thiophenes) (pBTTT-C14), that result from the use of two slightly different aromatic solvents, i.e., toluene and chlorobenzene, for a range of dilute solutions (0.5–1.2 ...

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Effect of molecular weight on conformational characteristics of poly(3‐hexyl thiophene)

20-Jun-2017 | Masaru Nagai, Jun Huang, Tiandong Zhou, Wei Huang, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT This research focused on the effect of molecular weight and investigated the conformational characteristics of poly(3‐hexyl thiophene) (P3HT). An integrated system consisting of a gel permeation chromatograph, a static light scattering unit, and a viscometer was used for the study. It ...

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