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6,924 Newest Publications about the topic molecular weight


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Characterization and Immunological Evaluation of Low-Molecular- Weight Alginate Derivatives

24-Nov-2015 | Xu, Xu; Bi, Decheng; Wan, Min, Current Topics in Medicinal Chemistry, 2015

Abstract: Alginate is a naturally occurring acidic linear polysaccharide obtained from marine brown seaweed. Low molecular weight structurally diverse derivatives and oligosaccharides derived from alginate have shown various tremendous biological and pharmacological activities. It has been ...


Molecular Mechanisms Associated with Particulate and Soluble Heteroglycan Mediated Immune Response

22-Nov-2015 | K. Sanjana, P. Devi, Dhanesh Krishna, Joyjyoti Das, Tarun Agarwal, Kalpana Kumari, Somnath Maji, Sudip K. Ghosh, Tap ..., Journal of Cellular Biochemistry, 2015

ABSTRACT Immune responses are outcomes of complex molecular machinery which occur inside the cells. Unravelling the cellular mechanisms induced by immune stimulating molecules such as glycans and determining their structure‐function relationship are therefore important factors to be assessed. ...


Characterization and In Vitro Antioxidant Activity of a Polysaccharide from Cordyceps sobolifera

20-Nov-2015 | Jike Lu, Guofeng Gu, Limin Hao, Zenan Jin, Xu Wang, Journal of Food Processing and Preservation, 2015

Abstract The characteristics and antioxidant activities of Cordyceps sobolifera polysaccharide (CSP) were investigated. Results from high‐performance gel filtration chromatography showed that the average molecular weight of CSP was 1.53 × 104 kDa, while this polysaccharide was mainly composed ...


Convenient preparation of high molecular weight poly(dimethylsiloxane) using thermally latent NHC-catalysis: a structure-activity correlation

20-Nov-2015 | Stefan Naumann, Johannes Klein, Dongren Wang and Michael R. Buchmeiser, Beilstein Journal of Organic Chemistry, 2015

Abstract The polymerization of octamethylcyclotetrasiloxane (D4) is investigated using several five-, six- and seven-membered N-heterocyclic carbenes (NHCs). The catalysts are delivered in situ from thermally susceptible CO2 adducts. It is demonstrated that the polymerization can be triggered ...


Nanoparticle Vesicles with Controllable Surface Topographies through Block Copolymer-Mediated Self-Assembly of Silica Nanospheres

20-Nov-2015 | Shujun Zhou; Ayae Sugawara-Narutaki; Sachio Tsuboike; Junzheng Wang; Atsushi Shimojima; Tatsuya Okubo, Langmuir, 2015

Silica nanoparticle vesicles (NPVs) with encapsulating capability and surface permeability are highly attractive in nanocatalysis, biosensing, and drug delivery systems. Herein, we report the facile fabrication of silica NPVs composed of a monolayer of silica nanospheres (SNSs, ca. 15 nm in ...


In Vivo and in Vitro Isomer-Specific Biotransformation of Perfluorooctane Sulfonamide in Common Carp (Cyprinus carpio)

20-Nov-2015 | Meng Chen; Liwen Qiang; Xiaoyu Pan; Shuhong Fang; Yuwei Han; Lingyan Zhu, Environmental Science & Technology, 2015

Biotransformation of PFOS-precursors (PreFOS) may contribute significantly to the level of perfluorooctanesulfonate (PFOS) in the environment. Perfluorooctane sulfonamide (PFOSA) is one of the major intermediates of higher molecular weight PreFOS. Its further degradation to PFOS could be isomer ...


Hydrogen Solubility in Hydrocarbon and Oxygenated Organic Compounds

19-Nov-2015 | Thi-Kim-Hoang Trinh; Jean-Charles de Hemptinne; Rafael Lugo; Nicolas Ferrando; Jean-Philippe Passarello, Journal of Chemical & Engineering Data, 2015

The hydrogen solubility in 42 organic compounds including alcohols, aldehydes, carboxylic acid, esters and ethers, glycols, n-alkanes, and water is investigated. For this purpose, the Henry's constant is collected or computed from different sources. After removing incoherent data, two temperature ...


The Effect of Dextran Molecular Weight on the Biodegradable Hydrogel with Oil, Synthesized by the Michael Addition Reaction

18-Nov-2015 | REBAZ ANWAR OMER, JAWAMEER RASOOL HAMA, REBWAR SAEED M. RASHID, Advances in Polymer Technology, 2015

ABSTRACT Plant oil and derivatives have been used in polymer biomaterials, especially as starting materials for the synthesis of bio‐based polymers. The uses have many advantages such as biodegradability, renewability, energy saving, easy of production, less CO2 emission, and low price. ...


Mutual Solubility of Water and Hydrocarbons

18-Nov-2015 | Carl Landra; Marco A. Satyro, Journal of Chemical & Engineering Data, 2015

The accurate modeling of systems containing water and hydrocarbons is important to support key decisions related to the design, simulation, and optimization of a variety of industrial processes, ranging from refineries, to gas plants and liquified natural gas processing facilities. Processes of ...


Controlled Burning of Forest Detritus Altering Spectroscopic Characteristics and Chlorine Reactivity of Dissolved Organic Matter: Effects of Temperature and Oxygen Availability

17-Nov-2015 | Jun-Jian Wang; Randy A. Dahlgren; Alex T. Chow, Environmental Science & Technology, 2015

Forest fires occur with increasing frequency and severity in the western United States, potentially altering the chemistry and quantity of dissolved organic matter (DOM) and disinfection byproduct (DBP) precursors exported from forested watersheds. However, little is known concerning effects of ...


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