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8,568 Newest Publications about the topic molecular weight


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Optimising low molecular weight hydrogels for automated 3D printing

07-Nov-2017 | Michael C. Nolan; Ana M. Fuentes Caparrós; Bart Dietrich; Michael Barrow; Emily R. Cross; Markus Bleuel; Stephe ..., Soft Matter, 2017

Hydrogels prepared from low molecular weight gelators (LMWGs) are formed as a result of hierarchical intermolecular interactions between gelators to form fibres, and then further interactions between the self-assembled fibres via physical entanglements, as well as potential branching points. ...


MSAll strategy for comprehensive quantitative analysis of PEGylated-doxorubicin, PEG and doxorubicin by LC-high resolution q-q-TOF mass spectrometry coupled with all window acquisition of all fragment ion spectra

07-Nov-2017 | Lei Yin; Chong Su; Tianming Ren; Xiangjun Meng; Meiyun Shi; J. Paul Fawcett; Mengliang Zhang; Wei Hu; Jingkai Gu, Analyst, 2017

The covalent attachment of polyethylene glycol (PEG) to therapeutic compounds (known as PEGylation) is one of the most promising techniques to improve the biological efficacy of small molecular weight drugs. After administration, PEGylated prodrugs can be metabolized into pharmacologically active ...


Characterisation of the mucilage polysaccharides from Dioscorea opposita Thunb. with enzymatic hydrolysis

05-Nov-2017 | Author(s): Fanyi Ma, Dengke Wang, Yun Zhang, Mingjing Li, Weixia Qing, Carina Tikkanen-Kaukanen, Xiuhua ..., Food Chemistry, 2017

Publication date: 15 April 2018 Source:Food Chemistry, Volume 245 Author(s): Fanyi Ma, Dengke Wang, Yun Zhang, Mingjing Li, Weixia Qing, Carina Tikkanen-Kaukanen, Xiuhua Liu, Alan E. Bell The mucilage polysaccharides from Dioscorea opposita (DOMP) were extracted and treated ...


Quantifying Binding of Ethylene Oxide–Propylene Oxide Block Copolymers with Lipid Bilayers

25-Oct-2017 | Wenjia Zhang; Karen J. Haman; Joseph M. Metzger; Benjamin J. Hackel; Frank S. Bates; Timothy P. Lodge, Langmuir, 2017

Block copolymers composed of poly(ethylene oxide) (PEO) and poly(propylene oxide) (PPO) have been widely used in cell membrane stabilization and permeabilization. To explore the mechanism of interaction between PPO–PEO block copolymers and lipid membranes, we have investigated how polymer ...


Chemotaxis of Molecular Dyes in Polymer Gradients in Solution

24-Oct-2017 | Rajarshi Guha; Farzad Mohajerani; Matthew Collins; Subhadip Ghosh; Ayusman Sen; Darrell Velegol, Journal of the American Chemical Society, 2017

Chemotaxis provides a mechanism for directing the transport of molecules along chemical gradients. Here, we show the chemotactic migration of dye molecules in response to the gradients of several different neutral polymers. The magnitude of chemotactic response depends on the structure of the ...


Structural Elucidation and Biological Activity of a Highly Regular Fucosylated Glycosaminoglycan from the Edible Sea Cucumber Stichopus herrmanni

17-Oct-2017 | Xiaomei Li; Lan Luo; Ying Cai; Wenjiao Yang; Lisha Lin; Zi Li; Na Gao; Steven W. Purcell; Mingyi Wu; Jinhua Zhao, Journal of Agricultural and Food Chemistry, 2017

Edible sea cucumbers are widely used as a health food and medicine. A fucosylated glycosaminoglycan (FG) was purified from the high-value sea cucumber Stichopus herrmanni. Its physicochemical properties and structure were analyzed and characterized by chemical and instrumental methods. Chemical ...


A facile access route to segmented copolymers by fusing ambient temperature step-growth and RAFT polymerization

13-Sep-2017 | Thomas Gegenhuber; Alexander Schenzel; Anja S. Goldmann; Per Bo Zetterlund; Christopher Barner-Kowollik, Chemical Communication, 2017

WWe introduce the synthesis of segmented copolymers via a catalyst-free Diels-Alder (DA) reaction at ambient temperature via step-growth (SG) polymerization and subsequent RAFT polymerization. High molecular weight SG polymers are readily obtained (Mw = 40,000 g∙mol-1), featuring trithiocarbonate ...


Low Molecular Weight Gelators (LMWGs) for Ionic Liquids: The Role of Hydrogen Bonding and Sterics in the Formation of Stable Low Molecular Weight Ionic Liquid Gels.

13-Sep-2017 | Peter McNeice; Yingying Zhao; Jianxun Wang; Gerald Francis Donnelly; patricia Catherine marr, Green Chemistry, 2017

Low molecular weight gelators capable of forming a gel with an ionic liquid are rare. We report the ability of 3 sugar based gelators from renewable resources (derived from isosorbide and mannitol) to form gels with 21 ionic liquids comprising a range of cations and anions that are commonly ...


Lignosulfonate Improves Photostability and Bioactivity of Abscisic Acid under Ultraviolet Radiation

13-Sep-2017 | Fei Gao; Sha Yu; Qun Tao; Weiming Tan; Liusheng Duan; Zhaohu Li; Haixin Cui, Journal of Agricultural and Food Chemistry, 2017

Abscisic acid (ABA), as a commonly used plant growth regulator, is easy to be degraded and lose its bioactivity under sunshine. To select an eco-friendly and efficient photoprotectant for the improvement of photostability and bioactivity of ABA when exposed to ultraviolet (UV) light, we tested ...


Nanofitin as a New Molecular-Imaging Agent for the Diagnosis of Epidermal Growth Factor Receptor Over-Expressing Tumors

12-Sep-2017 | Marine Goux; Guillaume Becker; Harmony Gorré; Sylvestre Dammicco; Ariane Desselle; Dominique Egrise; Natacha Leroi; ..., Bioconjugate Chemistry, 2017

Epidermal growth-factor receptor (EGFR) is involved in cell growth and proliferation and is over-expressed in malignant tissues. Although anti-EGFR-based immunotherapy became a standard of care for patients with EGFR-positive tumors, this strategy of addressing cancer tumors by targeting EGFR ...


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