Showing papers in "Carbohydrate Polymers in 2013"

TL;DR: This review provides an overview on this emerging nanomaterial, focusing on extraction procedures, especially from lignocellulosic biomass, and on technological developments and applications of NCC-based materials.

TL;DR: This review focuses on hyaluronic acid (HA) tissue scaffolding materials and the latest technologies behind scaffold processing are assessed and the applications of HA based scaffolds are discussed.

TL;DR: In this study, oregano essential oil (OEO) has been encapsulated in chitosan nanoparticles by a two-step method, i.e., oil-in-water emulsion and ionic gelation of chitOSan with sodium tripolyphosphate (TPP).

TL;DR: Various synthetic approaches for BC composite synthesis, classes of BC composites, and applications ofBC composites are compiled in this review to increase interest in BC composite and the development of new ideas in this field.

TL;DR: The polymer grafted on MNPs enhanced the adsorption capacity because of the complexing abilities of the multiple hydroxyl and carboxyl groups in polymer backbone with metal ions, which can be explained by hard and soft acids and bases (HASB) theory.

TL;DR: Bacterial cellulose (BC) and bacterial cellulose-chitosan (BC-Ch) membranes were successfully produced in large scale and showed significant growth inhibition against Escherichia coli and Staphylococcus aureus and cell culture studies demonstrated that BC and BC-Ch had no cytotoxicity.

TL;DR: A method that eliminates the coloration step and avoids the health and environmental hazards associated with phenol use is presented and was shown to improve measurement accuracy while significantly reducing waiting time prior to light absorption reading.

TL;DR: A better understanding of OSA's hydrophobic and steric contribution and starch's peculiar highly branched macromolecular structure has the potential to lead to products with targeted macromolescular structures and optimized properties for specific applications.

TL;DR: Cotton linter is a potential source of nanocellulose crystals, particularly to be used in the production of hydrophilic nanocomposites, and the acidic hydrolyses applied to extract the nanocrystals increased the crystallinity index and the hydrophilicity and decreased the thermal stability.

TL;DR: Self-assembling behaviors of nanocellulose nanocrystals and nanofibrils isolated from pure rice straw cellulose self-assembled into submicron fibers of highly crystalline cellulose Iβ structure upon rapid freezing (-196 °C) and freeze-drying were analyzed.

TL;DR: With its superior mechanical properties, as well as its excellent biocompatibility, BC was shown to have great potential for biomedical application and very high clinical value for skin tissue repair.

TL;DR: Thermodynamic analysis of equilibriums indicated that the adsorption reaction of methylene blue onto calcium alginate immobilized graphene oxide composites was exothermic and spontaneous in nature.

TL;DR: The pharmaceutical applications of various natural gums, mucilages and their modified forms for the development of various drug delivery systems are described.

TL;DR: The MCC obtained from OPEFB-pulp is shown to have a good thermal stability and the potential for a range of applications such as green nano biocomposites reinforced with this form of MCC and pharmaceutical tableting material is discussed.

TL;DR: The morphology of both neat PLA and nanocomposites was explored for the first time using a new powerful AFM technique, Peak Force QNM (Quantitative Mechanical Property Mapping at the Nanoscale), which emphasized the nanolevel characteristics by elastic modulus mapping.

TL;DR: Chitosan-based films plasticized with Glycerol exhibited excellent barrier properties against water vapour and oxygen, even with the addition of glycerol, and the effect of the plasticizer on the properties has been explained using Fourier transform infrared (FTIR) spectroscopic analysis.

TL;DR: In this study, ultrasound assisted extraction conditions on the yield of polysaccharide from corn silk were studied using three factors, three level Box-Behnken response surface design and optimal conditions based on both individual and combinations of all independent variables were determined.

TL;DR: The results revealed that hydrogen bonding and high interfacial adhesion between GO filler and Al matrix significantly changed thermal stability and mechanical properties of the nanocomposite films.

TL;DR: The synergistic effects of nanocomposite dressing material like good antibacterial ability, high swelling properties, high WVTR, excellent hydrophilic nature, biocompatibility, wound appearance and wound closure rate through in vivo test makes it a suitable candidate for wound healing applications.

TL;DR: In this article, the structure and properties of chitosan with respect to its applications in fuel cells are reviewed and recent achievements and prospect of its applications have also been included.

TL;DR: The results suggest the possible use of eugenol-loaded chitosan nanoparticles as antioxidants in bioactive plastics for food packaging.

TL;DR: Natural fibers from plants are ideal choice for producing polymer composites and bark fibers of Prosopis juliflora (PJ), an evergreen plant, was analyzed extensively to understand its chemical and physical properties.

TL;DR: The results suggest that ZEO and MEO have the potential to be directly incorporated into corn starch to prepare antimicrobial biodegradable films for various food packaging applications.

TL;DR: Rheological measurements confirmed a 150% improvement in storage modulus (G') of the cross-linked hydrogels compared to neat gelatin and increased the resistance of the gels towards thermal degradation above the melting temperature of gelatin as observed by thermal scanning experiments.

TL;DR: This review will focus on preparative methods and physicochemical and biological properties of carboxymethyl chitosan with particular emphasis on biomedical and pharmaceutical applications of this derivative of chitOSan.

TL;DR: Innovative CMC-based hydrogels with great potentials for usage in medical area were principally synthesized as per two strategies as well as factors affecting the characterization of AgNPs-loaded CMC hydrogel were studied.

TL;DR: Despite films from these CNC-like fibrils having inferior tensile strength, their tensile modulus and transparency were significantly improved compared to CNFs prepared without pre-treatment.

TL;DR: The experimental results suggest that cellulosic flax fibre reinforcement contributed to improve the toughness properties by promoting crack propagation whereas the carbon fibre contributed in improving thermal stability, water absorption behaviour and the overall strength and the stiffness of the hybrid composites.

TL;DR: From the results, second order polynomial model was developed and it adequately explained the data variation and significantly represented the actual relationship between independent variables and the response.

TL;DR: An historical outline, overview of properties, production, derivatives, and recent advances of pullulan are presented, including adhesive property and the ability to form fibers.