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The Evolution of Canadian Studies in Japan: In Search of Understanding Canada
Yutaka Takenaka(Yutaka Takenaka ) 한국캐나다학회 2007 Asia-Pacific Journal of Canadian Studies (APJCS) Vol.13 No.2
Does Canadian Studies exist in Japan? It might be safer to say “no” until the early 1970s, but definitely “yes” after the mid-1970s. This paper deals with the launching and activities of the Japanese Association for Canadian Studies(JACS) and also the development of Canadian Studies in Japan from interdisciplinary perspectives. In addition, a survey of Canadian content courses in higher education is analyzed. In concluding, Asia-Pacific Canadianists should share a unique partnership with regard to Canadian Studies.
Toru TAKENAKA,Shuichi SHINDO 한국독일사학회 2010 독일연구 Vol.- No.19
Wahrend ich diesen Uberblick schrieb, habe ich mich gefragt: Wozu Deutsche Geschichte durch japanische Historiker? Ich habe nach Grunden fur die Schwierigkeiten gesucht. Es ist mir dann langsam klar geworden, dass es keinen grundlegenden Konsens fur die Aufgabe japanischer Deutschlandhistoriker gibt. Man hat zwar einen Themenkatalog, es fehlt aber die Synthetik der Geschichte (beziehungsweise die Synthetik der Geschichtsforschung). Diese Tendenz wird immer starker, weil einzelne Arbeiten immer praziser werden, mit anderem Worten: viele Arbeiten konzentrieren sich auf Randphanomene. Aber was erwarten die Kollegen in Deutschland von uns? Wie kann man die Interessen an Geschichtsforschung mit ihnen teilen? Wie bereits erwahnt wurde, ist ein Anknupfungspunkt die Arbeit zu den deutsch-japanischen Beziehungen. Und diese Methode und These kann man in einem breiteren Kontext auch fur die Erforschung der deutsch-ostasiatischen Beziehungen verwenden.
Takenaka Mamoru,Kudo Masatoshi 거트앤리버 소화기연관학회협의회 2022 Gut and Liver Vol.16 No.4
Drainage therapy for malignant biliary obstruction (MBO) includes trans-papillary endoscopic retrograde biliary drainage (ERBD), percutaneous transhepatic biliary drainage (PTBD), and transgastrointestinal endoscopic ultrasound-guided biliary drainage (EUS-BD). With the development of chemotherapy, many MBO cases end up needing endoscopic reintervention (E-RI) for recurrent biliary obstruction. To achieve a successful E-RI, it is necessary to understand the various findings regarding E-RI in MBO cases reported to date. Therefore, in this review, we focus on E-RI for ERBD of distal MBO, ERBD of hilar MBO, and EUS-BD. To plan an appropriate E-RI strategy for biliary stent occlusion for MBO, the following must be considered on a case-by-case basis: the urgency of the drainage, the cause of the occlusion, the original route of drainage (PTBD/ERBD/EUS-BD), the initial stent used (plastic stent or self-expandable metallic stent), and in the case of self-expandable metallic stents, the type used (fully covered or uncovered). Regardless of the original method of stent placement, if the inflammation caused by obstructive cholangitis is severe and/or the patient is in shock, PTBD should be considered as the first choice. Finally, it is important to keep in mind that in many cases, performing E-RI will be difficult.
Recent advances in the diagnosis and manage-ment of primary myelofibrosis
( Katsuto Takenaka ),( Kazuya Shimoda ),( Koichi Akashi ) 대한내과학회 2018 The Korean Journal of Internal Medicine Vol.33 No.4
Primary myelofibrosis (PMF) is a myeloproliferative neoplasm (MPN) in which dysregulation of the Janus kinase/signal transducers and activators of transcription (JAK/STAT) signaling pathways is the major pathogenic mechanism. Most patients with PMF carry a driver mutation in the JAK2, MPL (myeloproliferative leukemia), or CALR (calreticulin) genes. Mutations in epigenetic regulators and RNA splicing genes may also occur, and play critical roles in PMF disease progression. Based on revised World Health Organization diagnostic criteria for MPNs, both screening for driver mutations and bone marrow biopsy are required for a specific diagnosis. Clinical trials of JAK2 inhibitors for PMF have revealed significant efficacy for improving splenomegaly and constitutional symptoms. However, the currently available drug therapies for PMF do not improve survival. Although allogeneic stem cell transplantation is potentially curative, it is associated with substantial treatment-related morbidity and mortality. PMF is a heterogeneous disorder and decisions regarding treatments are often complicated, necessitating the use of prognostic models to determine the management of treatments for individual patients. This review focuses on the clinical aspects and outcomes of a cohort of Japanese patients with PMF, including discussion of recent advances in the management of PMF.
Simultaneous Sampling of NO, NO2, HONO and HNO3 in the Atmosphere by a Filter-Pack Method
Norimichi Takenaka,Takumi Oda,Yusuke Fujii 한국대기환경학회 2022 Asian Journal of Atmospheric Environment (AJAE) Vol.16 No.2
A simultaneous sampling method for gaseous nitric oxide (NO), nitrogen dioxide (NO2), nitrous acid (HONO) and nitric acid (HNO3) was developed by a filter-pack sampling method to measure these concentrations at low cost in areas where monitoring stations are not available or at multiple locations. HONO and HNO3 gases were collected with a conventional filter-pack method. NO2 was collected with a guaiacolimpregnated filter at a flow rate of 0.3 dm3 min-1. NO was collected using guaiacol by oxidizing it to NO2 with potassium permanganate at a 0.3 dm3 min-1 flow rate. The optimum concentration of KMnO4 in the immersion solution for the impregnated filter was 0.16 mol dm-3 (in 0.51 mol dm-3 H2SO4). The concentrations of NO and NO2 measured by the filter-pack method were in good agreement with those measured by the chemiluminescence method. It was calculated that 60 ppb NO could be oxidized to NO2 with the KMnO4-impregnated filter for 183 hours at a 0.3 dm3 min-1 flow rate. This is enough time for sampling in a real environment. This method was applied to measure NO, NO2, HONO and HNO3 in the atmosphere at three points around Osaka, Japan.
Mamoru Takenaka,Masatoshi Kudo 대한소화기내시경학회 2022 Clinical Endoscopy Vol.55 No.5
The double-guidewire method has been increasingly used in endoscopic procedures for biliary and pancreatic diseases in recent years, including endoscopic retrograde cholangiopancreatography and endoscopic ultrasonography-related procedures. In addition, dou- ble-lumen catheters with uneven distal and proximal lumen openings have been introduced, making it possible to easily create a dou- ble-guidewire situation, and the usefulness of the double-guidewire technique using uneven double-lumen cannulas has been widely reported. Although the advantages of using two guidewires depend on the particular situation and the appropriate use of the two guidewires, deepening the knowledge of the double-guidewire method will contribute greatly to troubleshooting in daily practice. In this review, the usefulness of the double-guidewire technique is discussed with respect to two main areas: selective insertion of guide- wires and devices and biliary cannulation.