Laser sintered surfaces were polished (A) or treated by blasting with calcium phosphate particles and subsequent acid etching (B) that resulted in combined micro- (top) and nano-roughness (bottom). DNA content (C), osteocalcin (D), osteoprotegerin (E), VEGF (F), and BMP2 (G) production by NHOst cells seeded on disks. Student’s t-test, p < 0.05, *vs. LST-M.
“Actual extrusion of PVDF filament for use in 3D printing is already an art of itself. Virgin PVDF can cause shrinkage voids in the filament under certain circumstances in the cooling after the extrusion. These voids are not only a cosmetic issue but may lead to inconsistent dimensional conformance of the printed layer line. All I can say is that PVDF runs very smoothly in standard temperature 3D printers and flows much better than for example PLA or ABS.”
Au samples were prepared by deposition-precipitation method (59) or colloidal deposition method (69). For the deposition-precipitation method, in a typical procedure, the pH value of 40.0-ml HAuCl4 aqueous solution (1.25 mgAu/ml) was adjusted to ~9 with NaOH solution (0.1 M) under vigorous stirring. One gram of support was added to the above HAuCl4 aqueous solution, and pH was kept at ~9 by adding NaOH solution. After vigorous stirring for 1 hour, the product was heated to 65°C and stirred for another 1 hour. The precipitates were filtered, washed with deionized water for several times to eliminate Cl− ions, dried at 60°C overnight, and denoted as Au/S-fresh (where S represents the support; S = P25, anatase, rutile, and Fe3O4).
Gentleman, E., Stevens, M. M., Hill, R. G. & Brauer, D. S. Surface properties and ion release from fluoride-containing bioactive glasses promote osteoblast differentiation and mineralization in vitro. Acta Biomater. 9, 5771–5779 (2013).
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To quantify the impedance matching at the operating frequency and different thicknesses, the VSWR was calculated (Fig. 2C) using the formula
LP-2 resulted our most promising liposomal candidate because of the following: (I) IC50 value of 0.97 μM against NB cells, (II) 99% of entrapment efficiency, (III) ζ-potential value of −39.9 ± 0.55 mV and (IV) size of 105.1 ± 6.39 nm. Additionally, 2 was the compound previously tested in NB xenograft mouse model25. Thus, LP-2 was further characterized by cryo-EM, confirming the data obtained by DLS analysis. The sample was indeed characterized by a homogenous population of unilamellar liposomes with size around 100 nm. Furthermore, a confocal microscopy-based study was performed to elucidate whether the drug is released from liposomes outside the cells or inside the cytoplasm, after an internalization of the whole liposomal system. The analysis showed the presence of fluorescent liposomes into the cytoplasm of NB cells, suggesting a delivery of the free drug after cellular uptake of liposomes.
Jang, S., Hwang, E. & Cho, J. H. Graphene nano-floating gate transistor memory on plastic. Nanoscale 6, 15286–15292 (2014).
Transparent nonvolatile nano-floating gate memory devices are demonstrated through using ZnO NPs/polymer electret nanocomposite as a charge storage layer. The ZnO NPs were treated by the ligand, n-butylamine, leading the stable and well-separated NPs in solution. Furthermore, high transparent dielectric layers can be made, despite adding ZnO NPs into PS or PVPK polymer electret. Spray-coated PEDOT:PSS was exploited as the gate and source–drain electrodes for the fabrication of the transparent memory devices. The overall transmittance is 90% at the wavelength of 500 nm, showing high potential for transparent memory. A large memory window, long charge retention time over 105 s and the WRER process over 200 cycles were obtained in this ZnO nanocomposite-based memory devices. Additionally, all of the processes were carried out in the low temperature and without using noble metals as floating-gate. Therefore, these methods could potentially be used in integrated electronic components/circuits and transparent electronic device applications.
One practical concern for these results is in the area of electrical conductivity. A common way to report the conductivity of MXenes in powder form [especially samples that cannot be delaminated to form films, or at least not without surfactants which may be difficult to later remove (30)] has been to press them into freestanding discs for measurement (17, 22, 31). Given, from this work, that the humidity of the environment may play a large role in affecting conductivity through basal spacing modulation, interparticle contact, and degree of turbostratic disorder (as well as the depth to which this disorder occurs), more care will need to be taken in the future when reporting conductivity results. Last, given the interest in processing of MXenes by rolling/shearing (12), this work can hopefully provide some insight and help guide future studies on processes that might increase lubricity to ease the shearing of MXene multilayered particles into rolled films.
How to cite this article: Cohen, D. J. et al. Novel Osteogenic Ti6Al4V Device for Restoration of Dental Function in Patients with Large Bone Deficiencies: Design, Development and Implementation. Sci. Rep. 6, 20493; doi: 10.1038/srep20493 (2016).
Alloys of molybdenum, niobium, tantalum, and tungsten such as MoLa (molybdenum-lanthanum), MoW (molybdenum-tungsten), MHC, and TZM are ideally suited for the furnace and heat treating markets. The characteristics of these high temperature refractory metals include:
Suppressed N2O formation during NH3 selective catalytic reduction using vanadium on zeolitic microporous TiO2 | Sintered Filter Tube Related Video:
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