Zobrazeno 1 - 10
of 249
pro vyhledávání: '"Takahiro, Takei"'
Autor:
Devi Rahmawati, Muhamad Diki Permana, Diana Rakhmawaty Eddy, Norio Saito, Takahiro Takei, Suryana, Atiek Rostika Noviyanti, Iman Rahayu, Mohamed H. Helal, Zeinhom M. El-Bahy
Publikováno v:
Green Chemistry Letters and Reviews, Vol 17, Iss 1 (2024)
ABSTRACTTextile industry waste such as methylene blue can pose a serious threat to health and ecosystems. One solution to overcome this problem is to utilize photocatalytic technology using TiO2 semiconductors. This research aims to make green synthe
Externí odkaz:
https://doaj.org/article/792f368ad514436c9ee02ef30d81cfce
Autor:
Keito Makise, Takahiro Takei, Norio Saito, Junji Yamanaka, Nobuhiro Kumada, Hiroyoshi Mori, Nobuki Itoi, Toshiki Goto
Publikováno v:
Journal of Asian Ceramic Societies, Vol 11, Iss 1, Pp 170-177 (2023)
ABSTRACTA lepidocrocite-like potassium titanate, (Kx(LixTi1-x)O2; Lss) with a layered structure can provide a reactive interlayer space for soft-chemical reaction such as ion-exchange or intercalation and the hydrated sodium derivative (Lss-Na) was o
Externí odkaz:
https://doaj.org/article/2903114b011840bd98d0c4323fb58bfb
Autor:
Yuki Kamada, Ryusei Hayasaka, Kento Uchida, Taisei Suzuki, Takahiro Takei, Mamoru Kitaura, Hiroko Kominami, Kazuhiko Hara, Yuta Matsushima
Publikováno v:
Materials, Vol 17, Iss 2, p 338 (2024)
Deep red phosphors have attracted much attention for their applications in lighting, medical diagnosis, health monitoring, agriculture, etc. A new phosphor host material based on fluorine-doped lithium aluminate (ALFO) was proposed and deep red emiss
Externí odkaz:
https://doaj.org/article/1bcf57f6bc104820b88788094b448c96
Autor:
Withanage Isuru Udakara Withanage, Kuda Durayalage Sulasa Devi Ariyapala, Nobuhiro Kumada, Takahiro Takei, Mayu Ueda, Mamoru Aizawa
Publikováno v:
Journal of Asian Ceramic Societies, Vol 0, Iss 0, Pp 1-9 (2021)
We designed pyrochlore-type potassium niobate (KN) and potassium tantalate (KT) by introducing silver ions to improve their antibacterial efficiency. KN and KT samples were used as ion-exchangeable parent compounds, and molten AgNO3 was used for the
Externí odkaz:
https://doaj.org/article/8ebc75d0fc25484bafe41b4c34e4328c
Autor:
Khandaker Monower Hossain, Md Saiduzzaman, Nobuhiro Kumada, Takahiro Takei, Hisanori Yamane, Mirza Humaun Kabir Rubel
Publikováno v:
ACS Omega, Vol 6, Iss 24, Pp 15975-15980 (2021)
Externí odkaz:
https://doaj.org/article/b7add857f4f146b99bbd7ecb8c09bd05
Autor:
Nao Kaneko, Yuhei Suzuki, Ryo Umeda, Ryota Namiki, Chihiro Izawa, Tomoko Ikeda Fukazawa, Michiyo Honda, Takahiro Takei, Tomoaki Watanabe, Mamoru Aizawa
Publikováno v:
Journal of Asian Ceramic Societies, Vol 8, Iss 1, Pp 130-137 (2020)
Hydroxyapatite (Ca10(PO4)6(OH)2; HAp) is widely used as a biomaterial due to its high biocompatibility. However, biological apatite present in bone and teeth contains various ions in the HAp crystal structure. Thus, biological apatite has many strain
Externí odkaz:
https://doaj.org/article/748271149db3473391fb3beb0480d15e
Autor:
Diana Rakhmawaty Eddy, Muhamad Diki Permana, Lintang Kumoro Sakti, Geometry Amal Nur Sheha, Solihudin, Sahrul Hidayat, Takahiro Takei, Nobuhiro Kumada, Iman Rahayu
Publikováno v:
Nanomaterials, Vol 13, Iss 4, p 704 (2023)
TiO2 exists naturally in three crystalline forms: Anatase, rutile, brookite, and TiO2 (B). These polymorphs exhibit different properties and consequently different photocatalytic performances. This paper aims to clarify the differences between titani
Externí odkaz:
https://doaj.org/article/f5a70dda574944dfbb14f54131df8b30
Autor:
Ryosuke Uehara, Ryo Kaneda, Takahiro Takei, Nobuhiro Kumada, Sachiko Matsushita, Akira Nakajima, Toshihiro Isobe
Publikováno v:
Ceramics International. 49:22197-22203
Publikováno v:
New Journal of Chemistry; 4/14/2024, Vol. 48 Issue 14, p6088-6094, 7p
Autor:
Nobuhiro Kumada, Akihito Imase, Sayaka Yanagida, Takahiro Takei, Akira Miura, Nobuki Itoi, Toshiki Goto
Publikováno v:
Journal of Asian Ceramic Societies, Vol 7, Iss 3, Pp 361-367 (2019)
A potassium titanium phosphate, KTi2(PO4)3, and two types of hydrated titanium phosphates, α-Ti(HPO4)2·H2O and γ-Ti(PO4)(H2PO4)·2H2O, were prepared by hydrothermal reaction using a layered lepidocrocite-type titanate as a starting compound. When
Externí odkaz:
https://doaj.org/article/aa42c43a822f4d7bbb6f3d20aec94215