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7,619 Newest Publications about the topic molecular weight

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Electrochemical depolymerisation of lignin in a deep eutectic solvent

26-Aug-2016 | Davide Di Marino; David Stöckmann; Stefanie Kriescher; Serafin Stiefel; Matthias Wessling, Green Chemistry, 2016

Lignocellulosic biomass is an important renewable resource that could substitute fossil feedstocks as a raw material for high value chemicals production. While the cellulosic fraction of biomass gives access to saccharides only, lignin could possibly give access to low molecular weight aro- matic ...

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Micelle formation of a non-ionic surfactant in non-aqueous molecular solvents and protic ionic liquids (PILs)

26-Aug-2016 | Emmy C. Wijaya; Frances Separovic; Calum J. Drummond; Tamar L. Greaves, Physical Chemistry Chemical Physics, 2016

Many ionic liquids and low molecular weight polar solvents have been reported to support amphiphile self-assembly, with most of these reported for the first time in the last decade. This phenomenon is attributed to the solvophobic effect (analogous to the hydrophobic effect in water). However, to ...

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Siderophores as molecular tools in medical and environmental applications

20-Aug-2016 | Colette Kurth; Hirokazu Kage; Markus Nett, Organic & Biomolecular Chemistry, 2016

Almost all life forms depend on iron as an essential micronutrient that is needed for electron transport and metabolic processes. Siderophores are low-molecular-weight iron chelators that safeguard the supply of this important metal to bacteria, fungi and graminaceous plants. Although animals and ...

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Rheology of polyacrylonitrile‐based precursor polymers produced from controlled (RAFT) and conventional polymerization: Its role in solution spinning

20-Aug-2016 | J. Kaur, K. Millington, J.Y. Cai, Journal of Applied Polymer Science, 2016

ABSTRACT Polymer solutions in dimethyl sulfoxide (DMSO) as a solvent, made from reversible addition fragmentation chain transfer (RAFT)‐mediated polyacrylonitrile (RAFT¥ PAN) terpolymer with molecular weight (MW) of 260,000 g/mol and dispersity (Ð) of 1.29, behave differently under applied ...

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Hydrogen bonding asymmetric star-shape derivative of bile acid leads to supramolecular fibrillar aggregates that wrap into micrometer spheres

20-Aug-2016 | Teemu T. T. Myllymäki; Nonappa; Hongjun Yang; Ville Liljeström; Mauri A. Kostiainen; Jani-Markus Malho; X. X. Zhu; O ..., Soft Matter, 2016

We report that star-shaped molecules with cholic acid cores asymmetrically grafted by low molecular weight polymers with hydrogen bonding end-groups undergo aggregation to nanofibers, which subsequently wrap into micrometer spherical aggregates with low density cores. Therein the facially ...

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Macromol. React. Eng. 4/2016

19-Aug-2016 | José M. Asua, Macromolecular Reaction Engineering, 2016

Front Cover: The figure shows the flow patterns and conversion achieved in a Couette‐Taylor reactor used for the continuous production by inverse microemulsion copoly‐merization of high molecular weight polycations, which showed improved flocculation efficiency. Further details can be found in ...

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IJMS, Vol. 17, Pages 1363: Antimicrobial Protein Candidates from the Thermophilic Geobacillus sp. Strain ZGt-1: Production, Proteomics, and Bioinformatics Analysis

19-Aug-2016 | Alkhalili, Rawana N.; Bernfur, Katja ; Dishisha, Tarek ; Mamo, Gashaw ; Schelin, Jenny ; Canbäck, Björn ; Emanuelsso ..., International Journal of Molecular Sciences, 2016

A thermophilic bacterial strain, Geobacillus sp. ZGt-1, isolated from Zara hot spring in Jordan, was capable of inhibiting the growth of the thermophilic G. stearothermophilus and the mesophilic Bacillus subtilis and Salmonella typhimurium on a solid cultivation medium. Antibacterial activity was ...

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Structural Implications on the Properties of Self-Assembling Supramolecular Hosts for Fluorescent Guests

19-Aug-2016 | Sicheng Tang; Bryan Donaphon; Marcia Levitus; Françisco M. Raymo, Langmuir, 2016

Nine amphiphilic macromolecules with decyl and oligo(ethylene glycol) side chains, randomly distributed along a common poly(methacrylate) backbone, were synthesized from the radical copolymerization of appropriate methacrylate monomers. The resulting amphiphilic constructs differ in (1) the ratio ...

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IJMS, Vol. 17, Pages 1340: Dextran: Influence of Molecular Weight in Antioxidant Properties and Immunomodulatory Potential

19-Aug-2016 | Soeiro, Vinicius C.; Melo, Karoline R. T.; Alves, Monique G. C. F.; Medeiros, Mayara J. C.; Grilo, Maria L. P. M.; A ..., International Journal of Molecular Sciences, 2016

Dextrans (α-d-glucans) extracted from Leuconostoc mesenteroides, with molecular weights (MW) of 10 (D10), 40 (D40) and 147 (D147) kDa, were evaluated as antioxidant, anticoagulant and immunomodulatory drugs for the first time. None presented anticoagulant activity. As for the antioxidant and ...

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Cooperation of Amphiphilicity and Crystallization for Regulating the Self-Assembly of Poly(ethylene glycol)-block-poly(lactic acid) Copolymers

18-Aug-2016 | Zhen Wang; Yuanyuan Cao; Jiaqi Song; Zhigang Xie; Yapei Wang, Langmuir, 2016

Tuning the amphiphilicity of block copolymers has been extensively exploited to manipulate the morphological transition of aggregates. The introduction of crystallizable moieties into the amphiphilic copolymers also offers increasing possibilities for regulating self-assembled structures. In this ...

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