نتایج جستجو برای: laponite
تعداد نتایج: 280 فیلتر نتایج به سال:
We report a facile approach to preparing laponite (LAP) bioceramics via sintering LAP powder compacts for bone tissue engineering applications. The sintering behavior and mechanical properties of LAP compacts under different temperatures, heating rates, and soaking times were investigated. We show that LAP bioceramic with a smooth and porous surface can be formed at 800°C with a heating rate of...
Nano-hybrid systems are products of interactions between organic and inorganic materials designed planned to develop drug delivery platforms that can be self-assembled. Poloxamine, commercially available as Tetronic®, is formed by blocks copolymers consisting poly (ethylene oxide) (PEO) (propylene (PPO) units arranged in a four-armed star shape. Structurally, Tetronics similar Pluronics®, with ...
Colloidal suspensions that are out of thermodynamic equilibrium undergo physical aging wherein their structure evolves to lower the free energy. In aqueous suspension of Laponite, physical aging accompanies increases of elastic and viscous moduli as a function of time. In this work, we study temporal evolution of elastic and viscous moduli at different frequencies and observe that freshly prepa...
Colloidal particles are often used to make Pickering emulsions that are reported to be very stable. Commonly the stabilization is a combined effect of particle adsorbing at the fluid interface and a particle network in the continuous phase; the contribution of each to the overall stability is difficult to assess. We investigate the role of LAPONITE® particles on high internal phase emulsion sta...
© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim 1 wileyonlinelibrary.com through the excitation of OH vibrations.[5] On the other hand, the mechanical properties of supramolecular gels typically suffer from the relatively weak noncovalent interactions among the constituent components.[6] This drawback also limits construction of free-standing objects from the luminescent gels.[7] Herein for ...
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