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Water dynamics in silanized hydroxypropyl methylcellulose based hydrogels designed for tissue engineering. 2018

N Buchtová, and A D'Orlando, and P Judeinstein, and O Chauvet, and P Weiss, and J Le Bideau
Institut des Matériaux Jean Rouxel (IMN), Université de Nantes, CNRS UMR 6502, 2 rue de la Houssinière B.P. 32229, 44322 Nantes Cedex 3, France.

Silanized hydroxypropyl methylcellulose based hydrogels were developed for cartilage and intervertebral disc tissue engineering. Herein, study of dynamics of confined water showed two different populations, identified as hydration and bulk-like water. The diffusion coefficient showed that bulk-like water diffuses over distances ∼10 μm without being affected by the hydrogel matrix. Addition of silica nanofibers leads to improved mechanical properties and enhanced diffusion coefficient. Good diffusion within hydrogels is essential for the application.

UI MeSH Term Description Entries
D010316 Particle Size Relating to the size of solids. Particle Sizes,Size, Particle,Sizes, Particle
D013499 Surface Properties Characteristics or attributes of the outer boundaries of objects, including molecules. Properties, Surface,Property, Surface,Surface Property
D013816 Thermodynamics A rigorously mathematical analysis of energy relationships (heat, work, temperature, and equilibrium). It describes systems whose states are determined by thermal parameters, such as temperature, in addition to mechanical and electromagnetic parameters. (From Hawley's Condensed Chemical Dictionary, 12th ed) Thermodynamic
D014867 Water A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Hydrogen Oxide
D020100 Hydrogels Water swollen, rigid, 3-dimensional network of cross-linked, hydrophilic macromolecules, 20-95% water. They are used in paints, printing inks, foodstuffs, pharmaceuticals, and cosmetics. (Grant & Hackh's Chemical Dictionary, 5th ed) Hydrogel,In Situ Hydrogel,In Situ Hydrogels,Patterned Hydrogel,Patterned Hydrogels,Hydrogel, In Situ,Hydrogel, Patterned
D023822 Tissue Engineering Generating tissue in vitro for clinical applications, such as replacing wounded tissues or impaired organs. The use of TISSUE SCAFFOLDING enables the generation of complex multi-layered tissues and tissue structures. Engineering, Tissue
D065347 Hypromellose Derivatives Polymeric compounds that contain repeating units of hydroxypropyl methylcellulose. The properties of hypromellose polymers can vary greatly and are defined by their molecular weight, the percentage of hydroxyl groups, the percentage of hydroxypropyl groups, and viscosity measurements. They are found a broad variety of commercial products such as FOOD ADDITIVES; EXCIPIENTS; and LUBRICANTS. HPMC 2910,HPMC-K-100 M,Hydroxypropyl Methylcellulose,Hydroxypropylmethylcellulose,Hypromellose,K-8515,K8515,MHPC Polymer,Methocel E,Methoxyhydroxypropylcellulose,Methyl Hydroxypropyl Cellulose,Methyl-hydroxypropyl-cellulose,Derivative, Hypromellose,Derivatives, Hypromellose,HPMC K 100 M,HPMCK100 M,Hypromellose Derivative,K 8515

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