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Nonionic Triblock and Star Diblock Copolymer and Oligomeric Surfactant Syntheses of Highly Ordered, Hydrothermally Stable, Mesoporous Silica Structures
A family of highly ordered mesoporous (20−300 A) silica structures have been synthesized by the use of commercially available nonionic alkyl poly(ethylene oxide) (PEO) oligomeric surfactants andExpand
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Silicatein filaments and subunits from a marine sponge direct the polymerization of silica and silicones in vitro.
  • J. Cha, K. Shimizu, +4 authors D. Morse
  • Chemistry, Medicine
  • Proceedings of the National Academy of Sciences…
  • 19 January 1999
Nanoscale control of the polymerization of silicon and oxygen determines the structures and properties of a wide range of siloxane-based materials, including glasses, ceramics, mesoporous molecularExpand
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Sacrificial bonds and hidden length dissipate energy as mineralized fibrils separate during bone fracture
Properties of the organic matrix of bone1 as well as its function in the microstructure2 could be the key to the remarkable mechanical properties of bone3. Previously, it was found that on theExpand
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Silicatein alpha: cathepsin L-like protein in sponge biosilica.
Earth's biota produces vast quantities of polymerized silica at ambient temperatures and pressures by mechanisms that are not understood. Silica spicules constitute 75% of the dry weight of theExpand
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Molecular Cloning and Characterization of Lustrin A, a Matrix Protein from Shell and Pearl Nacre of Haliotis rufescens *
A specialized extracellular matrix of proteins and polysaccharides controls the morphology and packing of calcium carbonate crystals and becomes occluded within the mineralized composite duringExpand
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General Predictive Syntheses of Cubic, Hexagonal, and Lamellar Silica and Titania Mesostructured Thin Films§
Well-ordered mesostructured silica and titania films were prepared using poly(ethylene oxide)−poly(propylene oxide)−poly(ethylene oxide) triblock copolymer species (Pluronic P123) as theExpand
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Control of crystal phase switching and orientation by soluble mollusc-shell proteins
IN the initial stages of the biomineralization of abalone shells, a primer layer of oriented calcite crystals grows on a nucleating protein sheet1,2. The deposition of this primer is followed by anExpand
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A novel fluorescent silica tracer for biological silicification studies.
BACKGROUND Biological silica production has drawn intense attention and several molecules involved in biosilicification have been identified. Cellular mechanisms, however, remain unknown mainly dueExpand
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Generalized synthesis of periodic surfactant/inorganic composite materials
THE recent synthesis of silica-based mesoporous materials1,2 by the cooperative assembly of periodic inorganic and surfactant-based structures has attracted great interest because it extends theExpand
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One-step one-phase synthesis of monodisperse noble-metallic nanoparticles and their colloidal crystals.
A variety of metallic nanoparticles with a narrow size distribution have been synthesized in a facile one-phase method in which amine-borane complexes are applied as reducing agents. It isExpand
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