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Usefulness and capability of three-dimensional, full high-definition movies for surgical education
Takano, M.,Kasahara, K.,Sugahara, K.,Watanabe, A.,Yoshida, S.,Shibahara, T. Korean Association of Maxillofacial Plastic and Re 2017 Maxillofacial Plastic Reconstructive Surgery Vol.39 No.-
Background: Because of changing surgical procedures in the fields of oral and maxillofacial surgery, new methods for surgical education are needed and could include recent advances in digital technology. Many doctors have attempted to use digital technology as educational tools for surgical training, and movies have played an important role in these attempts. We have been using a 3D full high-definition (full-HD) camcorder to record movies of intraoral surgeries. Method: The subjects were medical students and doctors receiving surgical training who did not have actual surgical experience (n = 67). Participants watched an 8-min, 2D movie of orthognathic surgery and subsequently watched the 3D version. After watching the 3D movie, participants were asked to complete a questionnaire. Result: A lot of participants (84%) felt a 3D movie excellent or good and answered that the advantages of a 3D movie were their appearance of solidity or realism. Almost all participants (99%) answered that 3D movies were quite useful or useful for medical practice. Conclusions: Three-dimensional full-HD movies have the potential to improve the quality of medical education and clinical practice in oral and maxillofacial surgery.
Fast and reversible hydrogen storage in channel cages of hydroquinone clathrate
Han, K.W.,Lee, Y.J.,Jang, J.S.,Jeon, T.I.,Park, J.,Kawamura, T.,Yamamoto, Y.,Sugahara, T.,Vogt, T.,Lee, J.W.,Lee, Y.,Yoon, J.H. North Holland ; Elsevier Science Ltd 2012 Chemical physics letters Vol.546 No.-
Guest-free hydroquinone (HQ) clathrate was synthesized by the gas-phase reaction between host HQ and guest CO<SUB>2</SUB> molecules, followed by removal of the CO<SUB>2</SUB> guests by controlled heating process. The H<SUB>2</SUB> storage capacity of the guest-free HQ clathrate is highly sensitive to the loading pressure; at 298K, it was found to be 0.19 wt.% at 10MPa and 0.38 wt.% at 35MPa. In particular, the guest-free HQ clathrate also exhibits an extremely fast uptake and release of H<SUB>2</SUB> in a time scale of a few seconds.