Articles with "molecular weights" as a keyword



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Preparation and electrodeformation of silicone dielectric elastomers containing poly(propylene glycol diacetate) with different molecular weights

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Published in 2017 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.45329

Abstract: In this study, poly(propylene glycol diacetate)s (PPGDAs) with different molecular weights were obtained by the esterification reaction of poly(propylene glycol) and acetic anhydride. We effectively reduced the residual moisture and hydrophilicity of PPGDA. Then, poly(dimethyl… read more here.

Keywords: molecular weights; different molecular; glycol diacetate; ppgda ... See more keywords
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Effect of Molecular Weights on Metal-Mediated Grafting of Sulfobetaine Polymers onto Solid Surfaces for Non-Biofouling Applications.

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Published in 2022 at "Macromolecular bioscience"

DOI: 10.1002/mabi.202200200

Abstract: The grafting of zwitterionic molecules onto solid surfaces is an important tool for decreasing the unwanted adsorption of biomolecules, such as proteins, bacteria, and cells. This has been achieved through various approaches, such as zwitterionic… read more here.

Keywords: solid surfaces; onto solid; molecular weights; non biofouling ... See more keywords
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Determination of Protein Molecular Weights on SDS-PAGE.

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Published in 2019 at "Methods in molecular biology"

DOI: 10.1007/978-1-4939-8793-1_10

Abstract: An apparent molecular weight (MW) of a protein can be determined from the migration distance of a protein complexed with a strong cationic detergent sodium dodecyl sulfate (SDS) separated on sodium dodecyl sulfate-polyacrylamide gel electrophoresis… read more here.

Keywords: molecular weights; page; weights sds; protein molecular ... See more keywords
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Valorization of Kraft Lignin of Different Molecular Weights as Surfactant Agent for the Oil Industry

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Published in 2018 at "Waste and Biomass Valorization"

DOI: 10.1007/s12649-018-0352-4

Abstract: After cellulose, lignin is the second most abundant biopolymer in the vegetable world. Since lignin is a natural phenolic polymer, there are a variety of potential products obtainable by its chemical modification, including surfactants. In… read more here.

Keywords: molecular weights; different molecular; lignin fractions; lignin ... See more keywords
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Diverse prebiotic effects of isomaltodextrins with different glycosidic linkages and molecular weights on human gut bacteria in vitro.

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Published in 2022 at "Carbohydrate polymers"

DOI: 10.1016/j.carbpol.2021.118986

Abstract: Isomaltodextrin (IMD) is a novel dietary fiber enzymatically produced by reconstructing the molecular chain structure of starch using glycosyltransferases. In this study, the specific prebiotic effects of α-1,6 linear and α-1,2 or α-1,3 branched IMDs… read more here.

Keywords: molecular weights; prebiotic effects; effects isomaltodextrins; mixed fermentation ... See more keywords
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Effect of molecular weights of confined single-chain poly(allylamine) toward proton conduction in inorganic frameworks based on Preyssler-type polyoxometalate

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Published in 2020 at "Inorganica Chimica Acta"

DOI: 10.1016/j.ica.2019.119204

Abstract: Abstract In this work, poly(allylamine) (PAA) of different average molecular weights (MW = 1600 (I), 3000 (II), and 5000 (III)) are confined in an inorganic framework composed of K+ and Preyssler-type polyoxometalate [Na(H2O)P5W30O110]14−, and the effects toward… read more here.

Keywords: molecular weights; poly allylamine; proton; preyssler type ... See more keywords
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Enzymatic degradation of poly(butylene succinate) with different molecular weights by cutinase.

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Published in 2018 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2018.01.107

Abstract: Poly(butylene succinate) (PBS) films with different molecular weights were enzymatically degraded by cutinase. Changes in the properties of the films before and after enzymatic degradation were studied through scanning electron microscopy, differential scanning calorimetry, thermogravimetry,… read more here.

Keywords: molecular weights; degradation; butylene succinate; cutinase ... See more keywords
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Polymer Molecular Weights via DOSY NMR.

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Published in 2023 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.2c05531

Abstract: Diffusion-ordered spectroscopy (DOSY) 1H nuclear magnetic resonance (1H NMR) has become a powerful tool to characterize the molecular weights of polymers. Compared to common characterization techniques, such as size exclusion chromatography (SEC), DOSY is faster,… read more here.

Keywords: via dosy; polymer molecular; molecular weights; weights via ... See more keywords
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Digestive Property and Bioactivity of Blackberry Polysaccharides with Different Molecular Weights.

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Published in 2019 at "Journal of agricultural and food chemistry"

DOI: 10.1021/acs.jafc.9b03505

Abstract: In the present study, the digestion and fermentation of blackberry polysaccharides (BBPs) with different molecular weights (Mw) were investigated. The results showed that the Mw decrease rates of BBP, BBP-8, BBP-16, and BBP-24 were 77.48,… read more here.

Keywords: molecular weights; digestive property; different molecular; blackberry polysaccharides ... See more keywords
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Exo-selective, Reductive Heck Derived Polynorbornenes with Enhanced Molecular Weights, Yields, and Hydrocarbon Gas Transport Properties

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Published in 2020 at "ACS Macro Letters"

DOI: 10.1021/acsmacrolett.0c00555

Abstract: Next-generation membranes use highly engineered polymeric structures with enhanced chain rigidity, yet difficulties in polymerization often limit molecular weights required for film formation. Addi... read more here.

Keywords: molecular weights; reductive heck; heck derived; derived polynorbornenes ... See more keywords
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How do polymer molecular weights influence the luminescence properties of metal-containing polymers? A case study of platinum(II) complex end-functionalized polymers

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Published in 2018 at "Journal of Materials Chemistry C"

DOI: 10.1039/c8tc04478c

Abstract: Poly (ethylene glycol)s (PEGs) terminated with platinum(II) complexes show dramatically blue-shifted emission bands and sharply increased luminescence quantum yields with increasing molecular weights of PEGs. Such dramatic changes stem from the structural transitions from lamellar… read more here.

Keywords: molecular weights; platinum; polymer molecular; influence luminescence ... See more keywords