Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Akihiro Kuwahata"'
Publikováno v:
AIP Advances, Vol 14, Iss 2, Pp 025325-025325-7 (2024)
In prior studies focused on transcranial magnetic stimulator (TMS) coils, optimization of coil windings typically occurred on generic curved surfaces, such as planes or cylindrical shapes. However, these surfaces do not consider the challenge of coil
Externí odkaz:
https://doaj.org/article/65157d1e56774dec93654aa61f44fd0e
Autor:
Oiendrila Bhowmik Debnath, Akihiro Kuwahata, Yuki Sunaga, Shinichi Chikaki, Miki Kaneko, Moriaki Kusakabe, Masaki Sekino
Publikováno v:
AIP Advances, Vol 14, Iss 1, Pp 015028-015028-6 (2024)
In the surgical treatment of nonpalpable breast lesions, such as in early-stage cancer, a hook-wire is inserted into the lesion as a marker to enable surgeons to excise the tissue, along with the hook-wire, with a good margin. However, a benchmark te
Externí odkaz:
https://doaj.org/article/620bf69aaf4c4dc580a5a981c59a07fe
Publikováno v:
AIP Advances, Vol 14, Iss 1, Pp 015144-015144-6 (2024)
We investigated the magnetization response and heat generation of magnetic particles exposed to high-speed pulsed magnetic fields (PMF) during magnetic hyperthermia cancer treatment. The magnetization measurements exhibited an asymmetric change in th
Externí odkaz:
https://doaj.org/article/2b6288e382484a6c972fef86ca46d817
Publikováno v:
AIP Advances, Vol 14, Iss 1, Pp 015122-015122-5 (2024)
In this study, the theoretical feasibility of utilizing optically pumped magnetometers for on-board magnetoencephalography measurements was explored. Simulations were conducted to generate steady-state visually evoked response (SSVER) signals that in
Externí odkaz:
https://doaj.org/article/3daa7480193f40f2a3e309a4d800ae26
Publikováno v:
AIP Advances, Vol 14, Iss 1, Pp 015216-015216-5 (2024)
We propose a novel method based on an inverse problem to design a single channel radio frequency (RF) receive coil for magnetic resonance imaging (MRI) with an optimized signal-to-noise ratio (SNR) for imaging the rat kidney. We identified a dedicate
Externí odkaz:
https://doaj.org/article/cafb0fd8ac8a488eab8df04375a4059f
Publikováno v:
AIP Advances, Vol 14, Iss 1, Pp 015343-015343-6 (2024)
Ferromagnetic resonance (FMR) holds promise for heating magnetic nanoparticles (MNPs) in cancer therapy, especially for rapidly heating MNPs. This study aims to enhance the FMR-based heating efficiency of multifunctional hybrid gold and iron oxide na
Externí odkaz:
https://doaj.org/article/3329c18c5a924c22810666bb9a8493bd
Autor:
Keigo Arai, Akihiro Kuwahata, Daisuke Nishitani, Ikuya Fujisaki, Ryoma Matsuki, Yuki Nishio, Zonghao Xin, Xinyu Cao, Yuji Hatano, Shinobu Onoda, Chikara Shinei, Masashi Miyakawa, Takashi Taniguchi, Masatoshi Yamazaki, Tokuyuki Teraji, Takeshi Ohshima, Mutsuko Hatano, Masaki Sekino, Takayuki Iwasaki
Publikováno v:
Communications Physics, Vol 5, Iss 1, Pp 1-10 (2022)
Causes of heart failure can be investigated by tracing imperfections in electrical current propagation on the millimetre scale; however, the spatial resolution of current magnetocardiograph methods are limited to the centimetre-scale. Here, the autho
Externí odkaz:
https://doaj.org/article/6d0562fdf44f4630b9ed8b7c4b0dc5fa
Publikováno v:
Brain Sciences, Vol 13, Iss 9, p 1317 (2023)
Temporal interference (TI) stimulation, which utilizes multiple external electric fields with amplitude modulation for neural modulation, has emerged as a potential noninvasive brain stimulation methodology. However, the clinical application of TI st
Externí odkaz:
https://doaj.org/article/0b07ef27ab1f4e8fba191b5e909c0e0b
Publikováno v:
AIP Advances, Vol 13, Iss 2, Pp 025145-025145-6 (2023)
Alternating magnetic fields can deliver magnetic energy deeper inside the body for magnetic hyperthermia cancer therapy by using magnetic nanoparticles (MNPs). In this study, we proposed a highly effective heat generation method for the MNPs by the a
Externí odkaz:
https://doaj.org/article/1d450b490098491ba278912ca7cdd848
Autor:
Ryuichi Hirota, Toru Murayama, Ryota Katsumi, Tokuhisa Kawawaki, Shin Yabukami, Ryuji Igarashi, Yuichi Negishi, Moriaki Kusakabe, Masaki Sekino, Takashi Yatsui, Akihiro Kuwahata
Publikováno v:
AIP Advances, Vol 13, Iss 2, Pp 025144-025144-5 (2023)
Virus detection methods based on nonlinear magnetic response of magnetic nanoparticles have been investigated, and magnetic detection methods using the third harmonic are widely applied, owing to their high sensitivity and short measurement time. Thi
Externí odkaz:
https://doaj.org/article/5df17671fcfd497e9db6f5f363a05a0f