Zobrazeno 1 - 10
of 386
pro vyhledávání: '"Masaaki NAKAI"'
Autor:
Hisanori Tokuda, Chika Horikawa, Yukiko Nishita, Yoshihisa Kaneda, Hidenori Obata, Tomohiro Rogi, Takayuki Izumo, Masaaki Nakai, Hiroshi Shimokata, Rei Otsuka
Publikováno v:
Frontiers in Aging Neuroscience, Vol 16 (2024)
Multifactorial lifestyle approaches could be more effective than a single factor for maintaining cognitive function. This study investigated the association of combining cognitively stimulating leisure activities (CSLAs), including puzzles, quizzes,
Externí odkaz:
https://doaj.org/article/6a44c2c9e47d49108d9015531c89789b
Publikováno v:
Mechanical Engineering Journal, Vol 9, Iss 6, Pp 22-00282-22-00282 (2022)
Titanium and its alloys are widely used as orthopedic devices for fixation of bone fractures. A combination of low elastic modulus and suitable implant plate thickness, to adjust the stiffness of the implant plate, can improve the healing process. Th
Externí odkaz:
https://doaj.org/article/995cbf41c5064984aa9515a31623968d
Autor:
Kazunori ASANO, Kenkichi FUJITO, Hiroyuki WATANABE, Masaya IWASAKI, Kosuke UEKI, Masaaki NAKAI
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 88, Iss 913, Pp 22-00216-22-00216 (2022)
Flake graphite cast iron has high damping capacity. Among the various theories on the damping mechanism of cast iron, the viscoelastic layer between matrix and graphite is an important factor. This indicates that the increase in surface area and quan
Externí odkaz:
https://doaj.org/article/756aa6f2a6b147e8a1840636427e3528
Autor:
Toshiaki Sueyasu, Keisuke Yasumoto, Hisanori Tokuda, Yoshihisa Kaneda, Hidenori Obata, Tomohiro Rogi, Takayuki Izumo, Sumio Kondo, Jiro Saito, Takashi Tsukiura, Masaaki Nakai
Publikováno v:
Nutrients, Vol 15, Iss 13, p 2825 (2023)
Arachidonic acid (ARA), docosahexaenoic acid (DHA), and eicosapentaenoic acid (EPA), which are long-chain polyunsaturated fatty acids (LCPUFAs), as well as lutein (L) and zeaxanthin (Z), can potentially improve brain function. However, the effect of
Externí odkaz:
https://doaj.org/article/e9bc8d0650234ed0b5e1e706cde80072
Autor:
Yuta Otsuka, Naokazu Miyamoto, Akitoshi Nagai, Takayuki Izumo, Masaaki Nakai, Masahiro Fukuda, Takuma Arimitsu, Yosuke Yamada, Takeshi Hashimoto
Publikováno v:
Frontiers in Nutrition, Vol 9 (2022)
ObjectiveAging of skeletal muscle is characterized not only by a decrease of muscle quantity but also by changes in muscle quality, such as an increase in muscle stiffness. The present study aimed to investigate the effects of supplementation with qu
Externí odkaz:
https://doaj.org/article/bcfc7b4de4ea423bb0c564c6996c6cd4
Autor:
Hakan Yilmazer, Ihsan Caha, Burak Dikici, Fatih Toptan, Murat Isik, Mitsuo Niinomi, Masaaki Nakai, Alexandra Cruz Alves
Publikováno v:
Crystals, Vol 13, Iss 4, p 590 (2023)
In this study, the influence of the high-pressure torsion (HPT) processing parameters and solution treatment (ST) on the corrosion and tribocorrosion behavior of CoCrMo (CCM) alloys was investigated for possible usage in biomedical applications. The
Externí odkaz:
https://doaj.org/article/ce86ef5f3ffd4972be60b93c40deb931
Autor:
Chie Araki, Daisuke Takemoto, Yoshinori Kitagawa, Norifumi Tateishi, Tomohiro Rogi, Takayuki Izumo, Shimpei Kawamoto, Hiroshi Shibata, Eiji Hara, Masaaki Nakai
Publikováno v:
Nutrients, Vol 15, Iss 7, p 1627 (2023)
Cellular senescence induces inflammation and is now considered one of the causes of organismal aging. Accumulating evidence indicates that age-related deterioration of mitochondrial function leads to an increase in reactive oxygen species (ROS) and D
Externí odkaz:
https://doaj.org/article/843986c8004b4204810f0034c94edab1
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 87, Iss 900, Pp 21-00101-21-00101 (2021)
Low stiffness in the axial direction is required to suppress stress shielding, whereas high stiffness in the torsional direction is required to promote bone healing in metallic implants. Therefore, two types of 316L stainless steel additive manufactu
Externí odkaz:
https://doaj.org/article/81a7e07b811344cba043b410dc43493e
Publikováno v:
Journal of Engineering Science and Technology, Vol 13, Iss 5, Pp 1274-1281 (2018)
In order to know precisely the corrosion behavior of a new developed β type titanium alloy Ti-29Nb-13Ta-4.6Zr (TNTZ) and ordinary titanium alloy Ti-6Al4V (for comparison) in oral cavity environment, corrosion rate of these alloys in an artificial sa
Externí odkaz:
https://doaj.org/article/e01fb3435ce740828feaf4f9ed164f96
Publikováno v:
Journal of Biomechanical Science and Engineering, Vol 4, Iss 3, Pp 345-355 (2009)
Currently, β-type Ti-Nb-Ta-Zr alloys are gaining attention owing to their feasibility for use as biomedical materials. However, the deformation behaviors of these alloys have not yet been clarified. In this study, the Nb content of the Ti-30Nb-10Ta-
Externí odkaz:
https://doaj.org/article/6837fbb3524d4a4bbc34f6119eddb4a5