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33 Newest Publications about the topic multi-angle light scattering

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Evidences of Long‐Chain Branching in Ziegler‐Natta Polyethylene Homopolymers as Studied via SEC‐MALS and Rheology

23-Aug-2013 | Youlu Yu, David C. Rohlfing, Macromolecular Symposia, 2013

Summary Comprehensive polymer architectural studies were carried out on a group of Ziegler‐Natta (Z‐N) polyethylene homopolymers via size‐exclusion chromatography coupled with multi‐angle light scattering (SEC‐MALS) and rheology. Although Z‐N resins are traditionally viewed as linear ...

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Importance of Multi‐Angle Light Scattering in Polyolefin Characterization

23-Aug-2013 | Stepan Podzimek, Macromolecular Symposia, 2013

Summary The paper reviews basic principles and applications of multi‐angle light scattering (MALS) employed as a detector for high temperature size exclusion chromatography (SEC). The presented MALS data were acquired with state‐of‐the‐art MALS instrumentation. A special attention is paid to ...

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Nanoprecipitaton of native pea starches treated in alkaline media at various temperatures employing a dedicated microwave reactor

12-Jul-2013 | Shazia Juna, Stephan Hayden, Markus Damm, C. Oliver Kappe, Anton Huber, Starch - Stärke, 2013

Starch dispersions/solutions were prepared by heating native pea starch in 1 M NaOH(aq) at various temperatures (50–100°C) using a dedicated microwave reactor. The influence of temperature upon the apparent molecular and hydrodynamic characteristics was investigated employing asymmetrical flow ...

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Formation of nano‐ and micro‐structures of various botanical sources of native starches investigated employing asymmetrical flow field‐flow fractionation

26-Jun-2013 | Shazia Juna, Anton Huber, Starch - Stärke, 2013

The nano‐precipitation of native starches is a straight‐forward method for isolating starch nanoparticles. The morphology and sizes of the precipitates were highly influenced by the botanical source of starch, volume of ethanol used for precipitation, and the nature of drying surfaces. The ...

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Influence of temperature on the apparent molar masses and sizes of pregelatinized wx corn in aqueous media determined using asymmetrical flow field‐flow fractionation

13-May-2013 | Shazia Juna, Stephan Hayden, Markus Damm, C. Oliver Kappe, Anton Huber, Starch - Stärke, 2013

Abstract Pre‐gelatinized wx corn starch dispersions in aqueous media were heated at various temperatures ranging from 100 to 200°C (in 20°C increment) employing a dedicated microwave reactor. The influence of varying temperature upon the apparent molar masses and sizes of pre‐gelatinized wx ...

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Synthesis, Characterization, and Evaluation of Pluronic-Based β-Cyclodextrin Polyrotaxanes for Mobilization of Accumulated Cholesterol from Niemann-Pick Type C Fibroblasts

30-Apr-2013 | Christopher J. Collins; Leslie A. McCauliff; Seok-Hee Hyun; Zhaorui Zhang; Lake N. Paul; Aditya Kulkarni; Klaus Zick ..., Biochemistry, 2013

Several lines of evidence suggest that β-cyclodextrin (β-CD) derivatives initiate the efflux of accumulated, unesterified cholesterol from the late endosomal/lysosomal compartment in Niemann Pick C (NPC) disease models. Unfortunately, repeated injections or continuous infusions of current β-CD ...

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Effects of Molecular Weight Distribution and Chemical Properties of Natural Organic Matter on Gold Nanoparticle Aggregation

17-Apr-2013 | Stacey M. Louie; Robert D. Tilton; Gregory V. Lowry, Environmental Science & Technology, 2013

The complexity of natural organic matter (NOM) motivates determination of how specific components in a NOM mixture interact with and affect nanoparticle (NP) behavior. The effects of two Suwannee River NOM fractions (separated by a 100,000 g/mol ultrafiltration membrane) on gold NP aggregation ...

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Small Angle X-ray Scattering-Based Elucidation of the Self-Association Mechanism of Human Insulin Analogue LysB29(Nεω-carboxyheptadecanoyl) des(B30)

03-Jan-2013 | Malene Hillerup Jensen; Per-Olof Wahlund; Katrine Nørgaard Toft; Jes Kristian Jacobsen; Dorte Bjerre Steensgaard; Ma ..., Biochemistry, 2013

LysB29(Nεω-carboxyheptadecanoyl) des(B30) human insulin is an insulin analogue belonging to a class of analogues designed to form soluble depots in subcutis by self-association, aiming at a protracted action. On the basis of small angle X-ray scattering (SAXS) supplemented by a range of ...

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Metal-binding properties and structural characterization of a self-assembled coiled coil: Formation of a polynuclear Cd–thiolate cluster

19-Nov-2012 | Daniil V. Zaytsev, Vasily A. Morozov, Jiufeng Fan, Xianchun Zhu, Madhumita Mukherjee, Shuisong Ni, Michael A. ..., Journal of Inorganic Biochemistry, 2012

This paper describes the design, characterization, and metal-binding properties of a 32-residue polypeptide called AQ-C16C19. The sequence of this peptide is composed of four repeats of the seven residue sequence Ile-Ala-Ala-Leu-Glu-Gln-Lys but with a Cys-X-X-Cys metal-binding motif substituted ...

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Influence of Water on the Structure and Properties of PDMS-Containing Multiblock Polyurethanes

13-Nov-2012 | Kimberly A. Chaffin; Adam J. Buckalew; James L. Schley; Xiangji Chen; Matthew Jolly; Julie A. Alkatout; Jennifer P. ..., Macromolecules, 2012

Segmented polyurethane multiblock polymers containing polydimethylsiloxane and polyether soft segments form tough and easily processed thermoplastic elastomers. Two commercially available examples, Elast-Eon E2A (denoted as E2A) and PurSil 35 (denoted as P35), were evaluated for molecular and ...

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