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Remote Monitoring System with Wireless Network to Support Rescue Operations
Yuji Okamoto,Shigeyuki Tateno,Lee Jaeyeon 제어로봇시스템학회 2013 제어로봇시스템학회 국제학술대회 논문집 Vol.2013 No.10
Rapid and appropriate rescue operations should be taken in the scene when accidents or fires occur. It is very important for such operation that rescue team members constantly communicate with each other in the site, and the base station located near the site should be aware of the team members’ positions and situations to direct them effectively. A remote monitoring system with ZigBee devices as a wireless communication method is developed for the rescue operations in disaster areas or special places outside the scope of mobile phones. The system can keep track of members’ situations and help every member to communicate, and also can enhance the security and work efficiency of rescue teams’ performances at the scene.
Shun Igarashi,Yuji Kasukawa,Koji Nozaka,Hiroyuki Tsuchie,Kazunobu Abe,Hikaru Saito,Ryo Shoji,Fumihito Kasama,Shuntaro Harata,Kento Okamoto,Keita Oya,Naohisa Miyakoshi 대한골다공증학회 2023 Osteoporosis and Sarcopenia Vol.9 No.4
Objectives: Chronic kidney disease (CKD) complicated by secondary hyperparathyroidism (SHPT) is associated with an increased risk of fragility fractures. Etelcalcetide (EC) is a treatment for SHPT that reduces serum parathyroid hormone (PTH) levels. However, the effects of combined treatment with osteoporosis drugs such as teriparatide (TPTD) remain unclear. This study investigates the combined effects of EC and TPTD on bone in CKD model rats. Methods: The CKD model was established in 8-week-old male Wistar rats by feeding them a 0.75% adenine diet for 4 weeks. At 20 weeks of age, the rats were divided into 4 groups (n = 9–10 in each group): CKD group (vehicle administration), TPTD group (30 μg/kg, 3 times/week), EC group (0.6 mg/kg, daily), and Comb group (TPTD and EC combined). EC was injected for 12 weeks starting at 20 weeks of age, and TPTD was injected for 8 weeks starting at 24 weeks of age. After treatment, the followings were evaluated: bone mineral density, bone strength, biochemical tests, bone and fat histomorphometry, and micro-computed tomography. Results: In CKD model rats, the combination of EC and TPTD was more effective in increasing cortical bone thickness and bone strength and inhibiting porosity. In addition, the combined treatment decreased bone marrow adiposity and fibrosis, and it increased bone mass and improved bone microstructure in trabecular bone. Conclusions: With the observed benefits such as improved bone mass, bone strength, structural properties, and bone marrow adiposity, combination therapy may be a potential way to improve bone fragility in CKD.
Remote Monitoring System for Rescue Operations with Wireless Sensor Network
Shigeyuki Tateno,Yuji Okamoto 제어로봇시스템학회 2014 제어로봇시스템학회 국제학술대회 논문집 Vol.2014 No.10
When accidents or large fires occur, rapid and appropriate rescue operations should be taken in the scene. It is very important for such operation that rescue team members constantly communicate with each other in the site. Moreover the base station located near the site should be aware of the team members’ positions and situations to direct them effectively. A remote monitoring system with ZigBee devices as a wireless communication method is developed for the rescue operations in disaster areas or special places outside the scope of mobile phones. The system can trace members’ actions and situations by using IMU and GPS, and help every member to communicate. It can also enhance the security and work efficiency of rescue teams’ performances at the scene.
Establishment of a canine mammary gland tumor cell line and characterization of its miRNA expression
Tomohiro Osaki,Yuji Sunden,Akihiko Sugiyama,Kazuo Azuma,Yusuke Murahata,Takeshi Tsuka,Norihiko Itoh,Tomohiro Imagawa,Yoshiharu Okamoto 대한수의학회 2016 Journal of Veterinary Science Vol.17 No.3
Canine mammary gland tumors (CMGTs), which are the most common neoplasms in sexually intact female dogs, have been suggested as a model for studying human breast cancer because of several similarities, including relative age of onset, risk factors, incidence, histological and molecular features, biological behavior, metastatic pattern, and responses to therapy. In the present study, we established a new cell line, the SNP cell line, from a CMGT. A tumor formed in each NOD.CB17-Prkdcscid/J mouse at the site of subcutaneous SNP cell injection. SNP cells are characterized by proliferation in a tubulopapillary pattern and are vimentin positive. Moreover, we examined miRNA expression in the cultured cells and found that the expression values of miRNA-143 and miRNA-138a showed the greatest increase and decrease, respectively, of all miRNAs observed, indicating that these miRNAs might play a significant role in the malignancy of SNP cells. Overall, the results of this study indicate that SNP cells might serve as a model for future genetic analysis and clinical treatments of human breast tumors.
Tayyaba Mateen,Kazuaki Okamoto,Sun-Lin Chung,Kuo-Lung Wang,Hao-Yang Lee,Shuhei Abe,Yuji Mita,Hafiz U. Rehman,Masaru Terabayashi,Hiroshi Yamamoto 한국지질과학협의회 2019 Geosciences Journal Vol.23 No.6
U-Pb-Hf isotopes of zircons from the granitic intrusive rocks in the Iwakuni area of southwest Japan are determined by LA-ICP-MS analysis. The Gamano Granodiorite belonging to the Older Ryoke Granites of the Ryoke Belt yielded U-Pb mean age of 92.3 ± 2.6 Ma (MSWD = 1.8). The Namera Granite belonging to the Younger Ryoke Granites of the Ryoke Belt yielded U-Pb mean age of 106.3 ± 1.6 Ma (MSWD = 2.3). The Shimokuhara Granite belonging to the Hiroshima Granites of the San-yo Belt yielded U-Pb mean age of 103.8 ± 1.5 Ma (MSWD = 0.32). A granite porphyry sample taken from about 15 m thick dike discordantly intruded into pelitic schist of the Ryoke metamorphic rocks yielded U-Pb mean age of 92.5 ± 1.6 Ma (MSWD = 0.63). Hf isotope data, obtained from the same dated zircon grains, show initial 176Hf/177Hf isotopic ratios referred to as “εHf(t)” generally ranging between –4.8 and +1.1 except an anomalously low value (–15.0) from an inherited core. The εHf(t) values, calculated with average crustal 176Lu/177Hf ratio of 0.015, correspond to Hf isotope crustal model ages between 1474 to 1087 Ma (Mesoproterozoic). The Gamano Graodiorite has long been regarded to be a syn-tectonic intrusion, but the zircon ages and εHf(t) values are similar to those of the post-tectonic granite porphyry dike. The results of this study together with available U-Pb zircon ages of granitic rocks in the Iwakuni area reported elsewhere reveal that the order of emplacement indicated by the U-Pb zircon ages are much discrepant with the traditional classification, the Older Ryoke, the Younger Ryoke. It is better to refrain from the use of “Older” and “Younger” for the collective names of the granitic intrusive bodies.
Unilateral rostral mandibulectomy for gingival vascular hamartoma in two calves
Takeshi Tsuka,Yoshiharu Okamoto,Naoki Yamamoto,Keiji Hayashi,Takehito Morita,Yuji Sunden,Yusuke Murahata,Kazuo Azuma,Tomohiro Osaki,Norihiko Ito,Tomohiro Imagawa 대한수의학회 2018 Journal of Veterinary Science Vol.19 No.4
A 2-month-old female Holstein calf and a 5-month-old female Japanese black calf presented with gingival vascular hamartoma located in the interdental space between the second and third mandibular incisors in the right and left mandibles, respectively. On radiographic or computed tomographic images, osteolytic changes appeared within the mandibular bones adjacent to the masses. The masses were removed along with affected mandibular bone by using unilateral rostral mandibulectomy. After surgery, both cases exhibited a normal appetite and grew normally, with no cosmetic changes or recurrences. Unilateral rostral mandibulectomy can be applied for invasive gingival vascular hamartomas associated with osteolytic changes.
Study for grain-filling of rice using 13C labeling flow-metabolome analysis
Okamura Masaki,Hirai Masami Yokota,Sawada Yuji,Okamoto Mami,Arai-Sanoh Yumiko,Yoshida Hiroe,Mukouyama Takehiro,Adachi Shunsuke,Fushimi Erina,Yabe Shiori,Nakagawa Hiroshi,Kobayashi Nobuya,Kondo Motohik 한국작물학회 2017 한국작물학회 학술발표대회 논문집 Vol.2017 No.-
Detrital zircon evidence for the antiquity of Taiwan
Ching-Ying Lan,Tadashi Usuki,Kuo-Lung Wang,Tzen-Fu Yui,Kazuaki Okamoto,Yuan-Hsi Lee,Takafumi Hirata,Yoshitaka Kon,Yuji Orihashi,Juhn G. Liou,Chun-Sun Lee 한국지질과학협의회 2009 Geosciences Journal Vol.13 No.3
In-situ U–Pb geochronology and Hf isotopic studies of zircons from the Pre-Tertiary basement complex and Eocene rocks of the Central Range of Taiwan were carried out to elucidate the history of detrital zircons older than 2.3 Ga. Zircons from the eastern Backbone Range and Eastern Central Range show Paleoproterozoic to late Neoarchean ages (2.3 –³2.5 Ga), whereas those from the Hsuehshan Range yield Neoarchean to Mesoarchean ages (2.6–3.2 Ga). The εHf(T) for the Paleoproterozoic to late Neoarchean zircons varies from –7.4 to +5.1, implying both juvenile crustal growth and reworking of old crusts. This dual origin could extend back to Mesoarchean–Paleoarchean (3.0–3.4 Ga) based on Hf isotopic model ages. Consistent but narrower εHf(T) values and Hf crustal model ages for zircons from Taiwan compared to Cathaysia suggest a possible common origin for these zircons, although Taiwan has a generally younger crustal evolution history than SE China.