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Functionalized Bio-Artifact Fabricated via Selective Slurry Extrusion. Part 1: Preparation of Slurry Containing Tourmaline Superfine Powders

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The far infrared dental porcelain slurry for fabricating artificial tooth via selective slurry extrusion (SSE) of solid freeform fabrication (also known as rapid prototyping) techniques was prepared by using tourmaline as additive and employing ball-milling approach. After characterization by transmission electron microscopy, X-ray diffraction, and Fourier transform infrared spectrometry, it was found that the far infrared emission properties of the dental porcelain were apparently improved in the ranges of 2000–1201 cm−1 and 881–600 cm−1. This is due to the increase of the number of infrared active bonds that are from the tourmaline superfine powders. Moreover, it was also found that the tourmaline superfine powders can improve the pseudo-plastic properties of dental porcelain slurries, which results from the increase of the absolute value of zeta potential of the suspensions. Slurries with pseudo-plastic behavior are highly desirable in controlling the shape of the extrudate during solid freeform fabrication. With the functionalized material, a variety of bio-artifacts beneficial to body health can be built by using selective slurry extrusion machine.
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Document Type: Research Article

Publication date: 2011-12-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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