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7,509 Newest Publications about the topic molecular weight

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N‐oligo(3‐hydroxybutyrate) derivatized polypyrroles ‐ towards bioerobible conducting copolymers

23-Jun-2016 | Anna Domagala, Wojciech Domagala, Przemyslaw Ledwon, Marta Musiol, Henryk Janeczek, Agnieszka Stolarczyk, Piotr Kurc ..., Polymer International, 2016

Abstract New copolymer materials have been prepared by chemical grafting of 3‐hydroxybutyric acid oligomers (OHB) onto polypyrrole (PPy) derivatives. The influence of different grafting density and molecular weight of OHB brushes on physicochemical properties of prepared copolymers was ...

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Production, purification, and characterization of carboxymethyl cellulase from novel strain Bacillus megaterium

23-Jun-2016 | Zeeshan Hussain Shahid, Muhammad Irfan, Muhammad Nadeem, Quratulain Syed, Javed Iqbal Qazi, Environmental Progress, 2016

In the present investigation a strain of Bacillus megaterium BM05 was evaluated for cellulase production in submerged fermentation using wheat straw as a substrate. Various nutritional and cultural parameters were optimized to obtain maximum production of carboxymethyl cellulase. The strain ...

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Preparation and Characterization of Mucoadhesive Buccal Nanoparticles Using Chitosan and Dextran Sulfate

23-Jun-2016 | Ji Woon Suh; Ji-Soo Lee; Sanghoon Ko; Hyeon Gyu Lee, Journal of Agricultural and Food Chemistry, 2016

The aim of this study was to formulate buccal mucoadhesive nanoparticles (NPs) using the natural mucoadhesive polymers. The natural mucoadhesive polymers chitosan (CS) and dextran sulfate sodium salt (DS) were used to prepare mucoadhesive NPs using the ionic gelation method. As the molecular ...

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Effects of molecular weight and cationization agent on the sensitivity of Bi cluster secondary ion mass spectrometry

22-Jun-2016 | Makiko Fujii, Rie Shishido, Takaya Satoh, Shigeru Suzuki, Jiro Matsuo, Rapid Communications in Mass Spectrometry, 2016

Rationale Bi cluster secondary ion mass spectrometry (SIMS) is one of the most promising tools for precise analysis of synthetic polymers. However, the sensitivity in the high‐mass region is still insufficient compared with matrix‐assisted laser desorption/ionization time‐of‐flight mass ...

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Indole-like Trk receptor antagonists

18-Jun-2016 | Author(s): Jaana Tammiku-Taul, Rahel Park, Kaur Jaanson, Kristi Luberg, Dimitar A. Dobchev, Dzmitry Kana ..., European Journal of Medicinal Chemistry, 2016

Publication date: 4 October 2016 Source:European Journal of Medicinal Chemistry, Volume 121 Author(s): Jaana Tammiku-Taul, Rahel Park, Kaur Jaanson, Kristi Luberg, Dimitar A. Dobchev, Dzmitry Kananovich, Artur Noole, Merle Mandel, Allen Kaasik, Margus Lopp, Tõnis ...

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MALDI-TOF analysis of lactide oligomers with functional end groups

18-Jun-2016 | Author(s): Marcin Florczak, Adam Michalski, Anna Kacprzak, Marek Brzeziński, Tadeusz Biedroń, Agnieszka ..., Reactive and Functional Polymers, 2016

Publication date: July 2016 Source:Reactive and Functional Polymers, Volume 104 Author(s): Marcin Florczak, Adam Michalski, Anna Kacprzak, Marek Brzeziński, Tadeusz Biedroń, Agnieszka Pająk, Przemysław Kubisa, Tadeusz Biela Medium molecular weight polylactides (PLAs) with ...

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Modification of Eucalyptus and Spruce organosolv lignins with fatty acids to use as filler in PLA

18-Jun-2016 | Author(s): Oihana Gordobil, Itziar Egüés, Jalel Labidi, Reactive and Functional Polymers, 2016

Publication date: July 2016 Source:Reactive and Functional Polymers, Volume 104 Author(s): Oihana Gordobil, Itziar Egüés, Jalel Labidi Spruce (softwood) and Eucalyptus (hardwood) woods were used as raw material for lignin extraction by organosolv process. Chemical, structural and ...

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Effect of proteolysis on the sialic acid content and bifidogenic activity of ovomucin hydrolysates

18-Jun-2016 | Author(s): Xiaohong Sun, Michael Gänzle, Catherine J. Field, Jianping Wu, Food Chemistry, 2016

Publication date: 1 December 2016 Source:Food Chemistry, Volume 212 Author(s): Xiaohong Sun, Michael Gänzle, Catherine J. Field, Jianping Wu Ovomucin, accounting for ∼3.5% of egg white proteins, contains 2.6–7.4% of sialic acid; sialic acid is suggested to play important roles in ...

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Optimization extraction of polysaccharide from Tunisian Zizyphus lotus fruit by response surface methodology: Composition and antioxidant activity

18-Jun-2016 | Author(s): Khaoula Mkadmini Hammi, Majdi Hammami, Christophe Rihouey, Didier Le Cerf, Riadh Ksouri, Hatem ..., Food Chemistry, 2016

Publication date: 1 December 2016 Source:Food Chemistry, Volume 212 Author(s): Khaoula Mkadmini Hammi, Majdi Hammami, Christophe Rihouey, Didier Le Cerf, Riadh Ksouri, Hatem Majdoub Response surface methodology using a Box-Behnken design was employed to optimize extraction ...

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Synthesis of new porous clay heterostructures: The influence of co-surfactant type

18-Jun-2016 | Author(s): S.A. Gârea, A.I. Mihai, E. Vasile, C. Nistor, A. Sârbu, R. Mitran, Materials Chemistry and Physics, 2016

Publication date: 15 August 2016 Source:Materials Chemistry and Physics, Volume 179 Author(s): S.A. Gârea, A.I. Mihai, E. Vasile, C. Nistor, A. Sârbu, R. Mitran The effect of co-surfactant type on the properties of porous clay heterostructures (PCH) was investigated by using ...

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