Zobrazeno 1 - 10
of 270
pro vyhledávání: '"Akiko, OBATA"'
Inorganic glasses are successfully used in the biomedical field, in particular degradable glasses have found applications in tissue engineering, bone regeneration and tooth remineralisation. Silicate glasses are the most commonly used ones but phosph
Autor:
Emma Martin, Margot Muratet-Maraval, Ryutaro Sakanishi, Shota Suda, Emeline Renaudie, Sandra Blanchet, Eric Champion, Akiko Obata, Patricia Pascaud-Mathieu
Publikováno v:
Open Ceramics, Vol 17, Iss , Pp 100529- (2024)
This paper reports the synthesis of borosilicate bioactive glasses nanoparticles containing ions of interest (calcium, strontium or silver ions) for the purpose of bone tissue regeneration using a modified Stöber method and their shaping by robocast
Externí odkaz:
https://doaj.org/article/d0bfab1026f0402e95a420c56dedf0b1
Autor:
Stephanie Sutoko, Hirokazu Atsumori, Akiko Obata, Ayako Nishimura, Tsukasa Funane, Masashi Kiguchi, Akihiko Kandori, Koji Shimonaga, Seiji Hama, Toshio Tsuji
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-14 (2022)
Abstract Brain imaging is necessary for understanding disease symptoms, including stroke. However, frequent imaging procedures encounter practical limitations. Estimating the brain information (e.g., lesions) without imaging sessions is beneficial fo
Externí odkaz:
https://doaj.org/article/ac489fc1bc7a40fe8e6bb3b4ebf415d5
Publikováno v:
AIP Advances, Vol 13, Iss 1, Pp 015111-015111-6 (2023)
We report direct proton implantation into living cells by using a palm-sized ion emission gun under a nonvacuum atmosphere at room temperature (25 °C). An injection needle was coated with Nafion® to prepare the proton emission gun, and a polyanilin
Externí odkaz:
https://doaj.org/article/f972174ade204a27ba84ea7a36d7955c
Autor:
Masashi Kiguchi, Stephanie Sutoko, Hirokazu Atsumori, Ayako Nishimura, Akiko Obata, Tsukasa Funane, Hiromitsu Nakagawa, Masashi Egi, Hiroyuki Kuriyama
Publikováno v:
Healthcare Technology Letters, Vol 8, Iss 4, Pp 85-89 (2021)
Abstract A new concept, ‘Layered mental healthcare’ for keeping employees mental well‐being in the workplace to avoid losses caused by both absenteeism and presenteeism is proposed. A key factor forming the basis of the concept is the biometric
Externí odkaz:
https://doaj.org/article/33ccbe15b7b94d1986ace128f45e8c81
Autor:
Ayako Nishimura, Stephanie Sutoko, Masashi Kiguchi, Hirokazu Atsumori, Akiko Obata, Tsukasa Funane, Akihiko Kandori, Tomohiko Mizuguchi, Koji Shimonaga, Seiji Hama, Toshio Tsuji
Publikováno v:
Frontiers in Neurology, Vol 13 (2022)
BackgroundThe Trail Making Test Part-B (TMT-B) is an attention functional test to investigate cognitive dysfunction. It requires the ability to recognize not only numbers but also letters. We analyzed the relationship between brain lesions in stroke
Externí odkaz:
https://doaj.org/article/5daaff7161d44ae4bf98051b8ff5939f
Publikováno v:
Results in Materials, Vol 12, Iss , Pp 100236- (2021)
A cotton-wool-like bone-void-filling material, an aggregate of tangled fibers consisting of biodegradable polymer (poly(lactic-co-glycolic acid); PLGA) with calcium-salt particles, such as calcium carbonate and β-type tricalcium phosphate, is advant
Externí odkaz:
https://doaj.org/article/05e387c7befe4930b2fe285e7cd700b5
Autor:
Masashi Kiguchi, Stephanie Sutoko, Hirokazu Atsumori, Ayako Nishimura, Akiko Obata, Tsukasa Funane, Hiromitsu Nakagawa, Masashi Egi, Hiroyuki Kuriyama
Publikováno v:
Frontiers in Public Health, Vol 8 (2020)
We have developed a system with multimodality that monitors objective biomarkers for screening the mental distress in the office. A field study using a prototype of the system was performed over four months with 39 volunteers. We obtained PC operatio
Externí odkaz:
https://doaj.org/article/5105aa437dd04d818cc07035a6d7b343
Autor:
Akiko Obata, Kazuma Mori, Keiichi Inukai, Katsuya Kato, Gowsihan Poologasundarampillai, Toshihiro Kasuga
Publikováno v:
Frontiers in Materials, Vol 7 (2020)
Poly(3-hydroxybutyrate-co-4-hydroxybutyrate), P(3HB-4HB), and siloxane-doped vaterite (SiV) composite fibrous scaffolds with 3D cotton-wool-like structure were developed using an electrospinning system for use in bone tissue regeneration. Scaffolds e
Externí odkaz:
https://doaj.org/article/5f7bf917301e4be89bf97ac7e0ba2011
Tuning of ion-release capability from bio-ceramic-polymer composites for enhancing cellular activity
Autor:
Naoki Osada, Arisa Terada, Hirotaka Maeda, Akiko Obata, Yasutoshi Nishikawa, Toshihiro Kasuga
Publikováno v:
Royal Society Open Science, Vol 6, Iss 9 (2019)
In our previous study, we investigated the synergetic effects of inorganic ions, such as silicate, Mg2+ and Ca2+ ions on the osteoblast-like cell behaviour. Mg2+ ions play an important role in cell adhesion. In the present study, we designed a new co
Externí odkaz:
https://doaj.org/article/fe67802ce009497d9deec69aa64a2b65