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S53P4 bioactive glass, commercially available as bioactive glass BonAlive ® (Biomaterials Ltd., Turku, Finland), is used as a bone graft filler in various orthopedical applications [ 40]. BonAlive ® was the first composition different from 45S5 to reach the market. Originally, it was investigated with the aim of extending the sintering range of bioactive glasses; as evident from its composition reported in Table 1, it has a higher silica content and this results in lower bioactivity with respect to 45S5 [ 31]. In fact, BonAlive ® has higher network connectivity and degrades more slowly. This material received European approval for applications as a bone graft substitute in orthopedic surgery in 2006. The published clinical results provide useful indications on S53P4′s ability to facilitate bone formation and bone defect healing and hence on its use in craniofacial surgery, grafting of bone defects after benign tumor resection, in instrumental spondylodesis, and in the treatment of tibial plateau fractures and of osteomyelitis [ 40]. S53P4 bioactive glass is usually used in granules with size ranging from 0.8 to 3.15mm, or in the form of nonporous discs or plates with different shapes. EyeWay is an Israeli company developing an immersive wearable augmented reality platform. At the beginning of April 2021, the company announced that it has joined the newly formed LaSAR Alliance (Laser Scanning for Augmented Reality).
It adopts a see-through video system, which creates an MR image by merging real-time pictures of the real world with the virtual 3D CG image. A see-through video system offers many advantages compared to a see-through optical system, including accuracy and realism. The Prism headset includes an intuitive hands-free and heads-up interface controlled by the user's gaze. Prism has a battery lasting up to 4 hours, an attached camera, and is compatible with iPhone 7, 8, and SE. Niantic Focals by North were among the most awaited AR glasses until Google acquired the company in July 2020. The production of Focals was ceased, and no further info about their future is revealed. The Meta 2 Development Kit promises virtual workspaces of the future becoming a reality today. The high-resolution projections of Meta 2, connected with Unity 3D and SOLIDWORKS interfaces, enable the three-dimensional display of 3D and CAD models amid the real world. With intuitive hand-gesture control, the users can also interact with these holograms in real-time. Hupa L (2011) Melt-derived bioactive glasses. In: Ylänen HOBT-BG (ed) Bioactive glasses: materials, properties and applications. Woodhead Publishing, UK, pp 3–28Hupa L, Hupa M (2010) Recent research on composition dependence of the properties of bioactive glasses. Ceram Trans 218:145–156 Baino F, Novajra G, Vitale-Brovarone C (2015) Bioceramics and scaffolds: a winning combination for tissue engineering. Front Bioeng Biotechnol 3:202. https://doi.org/10.3389/fbioe.2015.00202 The series includes various models, from enabling manufacturers to utilize hardware better and bringing destinations to life to second-screen smart glasses and two pro models for critical industries and demanding environments. Facebook Ojansivu M, Mishra A, Vanhatupa S et al (2018) The effect of S53P4-based borosilicate glasses and glass dissolution products on the osteogenic commitment of human adipose stem cells. PLoS ONE 13:e0202740. https://doi.org/10.1371/journal.pone.0202740
The glasses connect to a device with USB-C. The upcoming glasses produce the effect of viewing a 140-inch display from four meters away, with a density of 49 pixels per degree. They're also capable of displaying 3D content.
The right glass for every bouquet
Used together with Smith Focus App, the eyewear recorded and visualized the user's activity and progress. The combination then offered a program for improved performance. It ultimately aided in targeting the user's goals and objectives for excelling in a sport or combating daily stressors. Yun YH, Bray PJ (1978) Nuclear magnetic resonance studies of the glasses in the system Na 2OB 2O 3SiO 2. J Non Cryst Solids 27:363–380. https://doi.org/10.1016/0022-3093(78)90020-0 Brink M, Turunen T, Happonen RP, Yli-Urpo A (1997) Compositional dependence of bioactivity of glasses in the system Na 2O-K 2O-MgO-Cao-B 2O 3-P 2O 5-SiO 2. J Biomed Mater Res 37:114–121. https://doi.org/10.1002/(SICI)1097-4636(199710)37:1%3c114::AID-JBM14%3e3.0.CO;2-G Vuzix's M-Series provides a variety of comfortable all-day wearable options for enterprise workers. The glasses come in two forms: the two kinds of starter kits and the M4000 smart glasses. Lebecq I, Désanglois F, Leriche A, Follet-Houttemane C (2007) Compositional dependence on the in vitro bioactivity of invert or conventional bioglasses in the Si-Ca-Na-P system. J Biomed Mater Res Part A 83:156–168. https://doi.org/10.1002/jbm.a.31228
Nreal Light is a pair of mixed reality glasses sporting a wide-screen, vivid display. Nreal strives to bring mixed reality a step closer to reality by offering a full spatial computing capability and cross-platform compatibility. Nreal has also launched an app, Nebula , to turn the user's favorite mobile apps into immersive experiences. Balasubramanian P, Hupa L, Jokic B et al (2017) Angiogenic potential of boron-containing bioactive glasses: in vitro study. J Mater Sci 52:8785–8792. https://doi.org/10.1007/s10853-016-0563-7 Apple has been acquiring several AR companies in the resent, which suggests Apple is working on its own AR product. Many recently-appeared Apple patents explain how specially-designed lenses could cast images on a user's eye and how a touchscreen surface could be used as a controller.Snap's Spectacles come with several frames to choose from. The consumer-targeted glasses have two human-eye-inspired cameras to capture 3D photos and videos at 60 fps. At the same time, four built-in microphones record immersive, high-fidelity audio. Mathew R, Stevensson B, Tilocca A, Edén M (2014) Toward a rational design of bioactive glasses with optimal structural features: composition-structure correlations unveiled by solid-state NMR and MD simulations. J Phys Chem B 118:833–844. https://doi.org/10.1021/jp409652k
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