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Fujimori T, Itai T, Goto A, Asante KA, Otsuka M, Takahashi S, Tanabe S. Interplay of metals and bromine with dioxin-related compounds concentrated in e-waste open burning soil from Agbogbloshie in Accra, Ghana. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 209:155-63. [PMID: 26686056 DOI: 10.1016/j.envpol.2015.11.031] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2015] [Revised: 11/12/2015] [Accepted: 11/19/2015] [Indexed: 05/25/2023]
Abstract
Open burning of electronic waste (e-waste) releases various metals and organohalogen compounds in the environment. Here we investigated the interplay of metals (Cu, Pb, Zn, Fe, Co, and Sr) and bromine (Br) in the formation of dioxin-related compounds (DRCs), including polychlorinated dibenzo-p-dioxins/furans (PCDD/Fs) and dioxin-like polychlorinated biphenyls (DL-PCBs), as well as non-regulated DRCs such as polybrominated dibenzo-p-dioxins/furans (PBDD/Fs) and their monobrominated PCDD/Fs in soils sampled from open burning e-waste sites at Agbogbloshie in Accra, Ghana. The predominant DRCs were PBDFs, PCDFs, PCDDs, and DL-PCBs. Statistical analyzes, X-ray absorption spectroscopy, and the PCDF/PCDD ratio suggested possible formation paths of PCDD/Fs and DL-PCBs by catalytic behaviors of copper chlorides (CuCl, CuCl2, and Cu2(OH)3Cl) and thermal breakdown of polyvinyl chloride. Predominant formation of brominated furans may be derived from electron transfer from intermediates of PBDE to copper, Cu(II) → Cu(I). Lead chloride also contributed to generate DRCs and may become highly bioaccessible through the open burning of e-waste. The main zinc species (ZnCl2 and ZnS) suggested a possible relationship to generate DRCs and specific zinc source such as tire burning. Cu, Pb, Zn, and Br contained in various e-wastes, wires/cables, plastics, and tires strongly influenced generation of many DRCs.
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Tue NM, Goto A, Takahashi S, Itai T, Asante KA, Kunisue T, Tanabe S. Release of chlorinated, brominated and mixed halogenated dioxin-related compounds to soils from open burning of e-waste in Agbogbloshie (Accra, Ghana). JOURNAL OF HAZARDOUS MATERIALS 2016; 302:151-157. [PMID: 26474377 DOI: 10.1016/j.jhazmat.2015.09.062] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 09/21/2015] [Accepted: 09/27/2015] [Indexed: 05/19/2023]
Abstract
Although complex mixtures of dioxin-related compounds (DRCs) can be released from informal e-waste recycling, DRC contamination in African e-waste recycling sites has not been investigated. This study examined the concentrations of DRCs including chlorinated, brominated, mixed halogenated dibenzo-p-dioxins/dibenzofurans (PCDD/Fs, PBDD/Fs, PXDD/Fs) and dioxin-like polychlorinated biphenyls (DL-PCBs) in surface soil samples from the Agbogbloshie e-waste recycling site in Ghana. PCDD/F and PBDD/F concentrations in open burning areas (18-520 and 83-3800 ng/g dry, respectively) were among the highest reported in soils from informal e-waste sites. The concentrations of PCDFs and PBDFs were higher than those of the respective dibenzo-p-dioxins, suggesting combustion and PBDE-containing plastics as principal sources. PXDFs were found as more abundant than PCDFs, and higher brominated analogues occurred at higher concentrations. The median total WHO toxic equivalent (TEQ) concentration in open burning soils was 7 times higher than the U.S. action level (1000 pg/g), with TEQ contributors in the order of PBDFs>>PCDD/Fs>PXDFs. DRC emission to soils over the e-waste site as of 2010 was estimated, from surface soil lightness based on the correlations between concentrations and lightness, at 200mg (95% confidence interval 93-540 mg) WHO-TEQ over three years. People living in Agbogbloshie are potentially exposed to high levels of not only chlorinated but also brominated DRCs, and human health implications need to be assessed in future studies.
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Goto A, Moriya Y, Takeuchi T, Mandai T, Tagawa Y, Kondo T, Asahi S. Pharmacokinetics and Urinary Excretion Mechanism of Orteronel (TAK-700), A Novel 17,20-Lyase Inhibitor, in Animals. Drug Res (Stuttg) 2015; 66:217-22. [PMID: 26418412 DOI: 10.1055/s-0035-1564118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Orteronel is newly identified as a selective 17,20-lyase inhibitor for an agent for castration resistant prostate cancer. The absorption and disposition of [(14)C]orteronel were investigated in rats and monkeys. Orteronel was extensively excreted into rat and monkey urine in an unchanged form after oral administration. The unbound based renal clearances in rats and monkeys were greater than the respective glomerular filtration rates (GFR), suggesting that urinary tubular secretion plays an important role in the renal excretion of orteronel. Therefore, the uptake of [(14)C]orteronel was investigated using rat kidney slices to estimate the contribution of carrier-mediated transport on the urinary tubular secretion. The uptake study using rat kidney slices suggested that the transport of orteronel from the blood circulation to the kidney was mediated by a digoxin sensitive transport system represented by Oatp4c1 and non-saturable components. Furthermore, the saturable component accounted for a limited fraction of the total renal uptake by rat kidney slices. These results suggested that non-saturable uptake mainly contributed to the renal excretion of orteronel in rats.
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Goto A, Ichikawa Y, Tokuhisa M, Kobayashi N. 2126 A phase I study of Panitumumab with Irinotecan and S-1 (PanSIR) as first line therapy for Kras wild type patients with advanced colorectal cancer. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)31048-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Kuriyama S, Yoshida M, Yano S, Aiba N, Kohno T, Minamiya Y, Goto A, Tanaka M. LPP inhibits collective cell migration during lung cancer dissemination. Oncogene 2015; 35:952-64. [DOI: 10.1038/onc.2015.155] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Revised: 03/13/2015] [Accepted: 03/20/2015] [Indexed: 12/13/2022]
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Saito F, Yotoriyama T, Nishiyama I, Suzuki Y, Goto A, Nagashima Y, Hyodo T. Characterization of ion-irradiated poly-L-lactic acid using nano-cutting. Phys Chem Chem Phys 2014; 16:26991-6. [PMID: 25380102 DOI: 10.1039/c4cp02763a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Effects on the mechanical strength of poly-L-lactic acid (PLLA) upon irradiation with 150 keV He(+) ion were studied. Changes in the irradiated surface were investigated using a surface texture and contour measuring instrument and an atomic force microscope. Observations made with the atomic force microscope revealed that the irradiated surface subsided significantly as the fluence increased. In order to investigate the dependence on fluence of the depth of the Bragg peak for the ion implantation, the cutting strength, Σ, was analysed [F. Saito, I. Nishiyama and T. Hyodo, Mater. Lett., 2012, 66, 144-146]; this value is an indicator of the strength of a material against cutting, and is obtained from the cutting resistance. The averaged ion projected range increased from about 1.1 μm for a fluence of 1 × 10(15) He(+)/cm(2) to about 4 μm for a fluence of 1 × 10(16) He(+)/cm(2). The density of the region following irradiation was estimated using a combination of cutting resistance measurements and positron annihilation γ ray Doppler broadening measurements made with an energy-variable positron beam. The density decreased from the value of 1.27 g cm(-3) to about 0.6 g cm(-3) after irradiation with a fluence of 3 × 10(15) He(+)/cm(2). By considering the decrease in the density and the subsidence of the surface, it is concluded that only 30% of the original weight remained in the irradiated region after exposure to the He(+) ions. Anisotropic change in the cutting resistance suggests that mechanical strength in the direction normal to the surface increased while that in the lateral direction decreased.
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Yahata M, Sakamoto Y, Inoue S, Iwamura T, Fujita R, Koami H, Miike T, Imahase H, Narumi S, Goto A, Ohta M. More effective use of polymyxin-B hemoperfusion for nonoperation cases. Crit Care 2014. [PMCID: PMC4273848 DOI: 10.1186/cc14035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Hirai Y, Asahata S, Ainoda Y, Goto A, Fujita T, Totsuka K. Nosocomial Candida parapsilosis candidaemia: risk factors, antifungal susceptibility and outcome. J Hosp Infect 2014; 87:54-8. [PMID: 24698737 DOI: 10.1016/j.jhin.2014.02.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2013] [Accepted: 02/10/2014] [Indexed: 11/17/2022]
Abstract
A retrospective analysis was undertaken from 2000 to 2010 to show the risk factors associated with death within 30 days in patients with C. parapsilosis candidaemia (CPC). Fifty-one cases of nosocomial CPC were included in the analysis. All isolates from blood cultures were susceptible to micafungin and fluconazole. The overall mortality rate was 23.5%, and the most severe complications were endocarditis (5.9%) and endophthalmitis (5.9%). On multi-variate analysis, APACHE II score >25 (odds ratio 43.9) and retained cardiovascular prosthetic materials (RCPM) (prosthetic valve or graft) (odds ratio 14.6) were found to be risk factors associated with death. Prompt surgical removal should be considered in CPC patients with RCPM.
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Kobayashi N, Shimamura T, Tokuhisa M, Goto A, Endo I, Ichikawa Y. Second-Line Chemotherapy by Folfirinox with Unresectable Pancreatic Cancer (Phase I, II Study). Ann Oncol 2013. [DOI: 10.1093/annonc/mdt459.70] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Ngoma AM, Goto A, Yamazaki S, Machida M, Kanno T, Nollet KE, Ohto H, Yasumura S. Barriers and motivators to blood donation among university students in Japan: development of a measurement tool. Vox Sang 2013; 105:219-24. [DOI: 10.1111/vox.12044] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Revised: 03/26/2013] [Accepted: 03/27/2013] [Indexed: 11/29/2022]
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Suzuki K, Kanno S, Wakasugi H, Itoh M, Fujii K, Goto A. A Case Report of Advanced Pancreatic Neuroendocrine Tumor Treated with Chemotherapy for Cisplatin Containing Resimen Followed by Everolimus in Combination with Octreotide LAR. Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)32456-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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62
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Brennan K, Chen B, Goto A, Liu S. Associations between levels of sex steroid hormones and inflammatory cytokines by hormone replacement therapy (HRT) status in ethnic minority postmenopausal women. Fertil Steril 2012. [DOI: 10.1016/j.fertnstert.2012.07.415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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63
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Imahase H, Sakamoto Y, Kusunose M, Koami H, Nishimura Y, Goto A, Yamashita T, Nakashima A, Iwamura T, Kutsukata N. Examination of blood filtration membrane removal ability of HMGB1. Crit Care 2012. [PMCID: PMC3504811 DOI: 10.1186/cc11697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Kitagawa A, Fujita T, Goto A, Hattori T, Hamano T, Hojo S, Honma T, Imaseki H, Katagiri K, Muramatsu M, Sakamoto Y, Sekiguchi M, Suda M, Sugiura A, Suya N. Status of ion sources at National Institute of Radiological Sciences. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2012; 83:02A332. [PMID: 22380179 DOI: 10.1063/1.3670742] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The National Institute of Radiological Sciences (NIRS) maintains various ion accelerators in order to study the effects of radiation of the human body and medical uses of radiation. Two electrostatic tandem accelerators and three cyclotrons delivered by commercial companies have offered various life science tools; these include proton-induced x-ray emission analysis (PIXE), micro beam irradiation, neutron exposure, and radioisotope tracers and probes. A duoplasmatron, a multicusp ion source, a penning ion source (PIG), and an electron cyclotron resonance ion source (ECRIS) are in operation for these purposes. The Heavy-Ion Medical Accelerator in Chiba (HIMAC) is an accelerator complex for heavy-ion radiotherapy, fully developed by NIRS. HIMAC is utilized not only for daily treatment with the carbon beam but also for fundamental experiments. Several ECRISs and a PIG at HIMAC satisfy various research and clinical requirements.
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Yamazaki Y, Yokoyama R, Nagai T, Goto A. Formation of a fluvial non-parasitic population of Lethenteron camtschaticum as the first step in petromyzontid speciation. JOURNAL OF FISH BIOLOGY 2011; 79:2043-2059. [PMID: 22141904 DOI: 10.1111/j.1095-8649.2011.03150.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
To elucidate the petromyzontid speciation process, the genetic independence of the fluvial non-parasitic populations within the anadromous parasitic Lethenteron camtschaticum was estimated by using polymorphic microsatellite loci. Abundant gene flow was revealed in multitemporal scales between potentially sympatric populations, suggesting ongoing gene flow resulting from imperfect size-assortative mating between them and plastic determination of life histories. On the contrary, landlocked fluvial non-parasitic populations in the upper region of dams were genetically divergent from anadromous parasitic populations. The temporal heterogeneity of gene flow, i.e. contemporary little gene flow but significant gene flow over the long-term between the landlocked fluvial non-parasitic and anadromous parasitic populations was elucidated. In addition, the divergence time of isolation of the landlocked populations from the ancestral anadromous parasitic population was estimated to have occurred 17.9-428.2 years ago, which includes the construction times of an initial dam c. 90 years ago. These instances indicate that the landlocked populations should have very recently been established, and subsequent accumulation of divergence and development of reproductive isolation are predicted. The present landlocked fluvial non-parasitic populations should be analogous to the founder populations in terms of petromyzontid speciation. The data also strongly support the hypothesis of multitemporal and multispatial speciation in the petromyzontid stem-satellite species complex.
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Fujii K, Suzuki K, Goto A, Nakahata K, Matsunaga Y, Wakasugi H, Itoh M, Yonezawa K, Abe T, Shinomura Y. Pancreatic-colonic fistula successfully treated with endoscopic transpapillary nasopancreatic drainage. Endoscopy 2011; 43 Suppl 2 UCTN:E154-5. [PMID: 21563059 DOI: 10.1055/s-0030-1256259] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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Matsunaga Y, Goto A, Kaneko H, Hasegawa N, Wakasugi H, Itoh M, Fujii K, Suzuki K, Nakahata K, Shinomura Y. Gastric rupture before puncture of the stomach in percutaneous gastrostomy. Endoscopy 2011; 43 Suppl 2 UCTN:E57. [PMID: 21287452 DOI: 10.1055/s-0030-1256077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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Matunaga Y, Goto A, Fujii K, Nakamura H, Itoh M, Wakasugi H, Suzuki K, Yonezawa K, Abe T, Shinomura Y. Desquamative esophagitis due to pemphigus vulgaris. Endoscopy 2011; 42 Suppl 2:E285. [PMID: 21086254 DOI: 10.1055/s-0030-1255569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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69
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Uchiyama T, Goto A, Sakai E, Sekino Y, Iida H, Endo H, Hosono K, Sakamoto Y, Koide T, Takahashi H, Yoneda M, Tokoro C, Abe Y, Shimamura T, Kobayashi N, Kubota K, Maeda S, Nakajima A, Ichikawa Y, Inamori M. Endoscopic hemostasis through gastrostomy. Endoscopy 2010; 42 Suppl 2:E270. [PMID: 20931478 DOI: 10.1055/s-0030-1255772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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70
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Goto A, Suzuki M, Iizuka K, Yoshida Y, Suzuki K, Itoh M, Wakasugi H, Fujii K, Matunaga Y, Shinomura Y. Regurgitation of a mass into the mouth: a fibrovascular polyp of the esophagus. Endoscopy 2010; 42 Suppl 2:E248-9. [PMID: 20931465 DOI: 10.1055/s-0030-1255618] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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71
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Oshima A, Ito S, Abe Y, Uchiyama T, Iida H, Endo H, Hosono K, Sakamoto Y, Fujita K, Yoneda M, Takahashi H, Koide T, Tokoro C, Goto A, Inamori M, Kobayashi N, Kubota K, Saito S, Nakajima A. Mesenteric phlebosclerosis. Endoscopy 2010; 42 Suppl 2:E156-7. [PMID: 20556711 DOI: 10.1055/s-0029-1244147] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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72
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Fujii K, Goto A, Yoshida Y, Suzuki K, Matunaga Y, Shinomura Y. Education and imaging. Gastrointestinal: Transmural colonic metastasis arising from primary cholangiocarcinoma. J Gastroenterol Hepatol 2010; 25:1329. [PMID: 20594264 DOI: 10.1111/j.1440-1746.2010.06396.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
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73
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Nakagawa T, Higurashi Y, Ohnishi J, Aihara T, Tamura M, Uchiyama A, Okuno H, Kusaka K, Kidera M, Ikezawa E, Fujimaki M, Sato Y, Watanabe Y, Komiyama M, Kase M, Goto A, Kamigaito O, Yano Y. First results from the new RIKEN superconducting electron cyclotron resonance ion source (invited). THE REVIEW OF SCIENTIFIC INSTRUMENTS 2010; 81:02A320. [PMID: 20192341 DOI: 10.1063/1.3259232] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The next generation heavy ion accelerator facility, such as the RIKEN radio isotope (RI) beam factory, requires an intense beam of high charged heavy ions. In the past decade, performance of the electron cyclotron resonance (ECR) ion sources has been dramatically improved with increasing the magnetic field and rf frequency to enhance the density and confinement time of plasma. Furthermore, the effects of the key parameters (magnetic field configuration, gas pressure, etc.) on the ECR plasma have been revealed. Such basic studies give us how to optimize the ion source structure. Based on these studies and modern superconducting (SC) technology, we successfully constructed the new 28 GHz SC-ECRIS, which has a flexible magnetic field configuration to enlarge the ECR zone and to optimize the field gradient at ECR point. Using it, we investigated the effect of ECR zone size, magnetic field configuration, and biased disk on the beam intensity of the highly charged heavy ions with 18 GHz microwaves. In this article, we present the structure of the ion source and first experimental results with 18 GHz microwave in detail.
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Hasegawa Y, Goto A, Nishimura S, Sukawa Y, Fujii K, Suzuki K, Yonezawa K, Abe T, Shinomura Y, Yoshida Y. Cytomegalovirus gastritis after treatment with rituximab. Endoscopy 2009; 41 Suppl 2:E199. [PMID: 19637127 DOI: 10.1055/s-0029-1214855] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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75
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Murakawa T, Nakajima J, Fukami T, Kusakabe M, Shibahara J, Goto A, Yoshida Y, Sugiura M, Inoue Y, Fukayama M, Takamoto S. [Lung cancer operation in situs inversus totalis patient]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 2009; 62:1010-1013. [PMID: 19827557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Situs inversus totalis represents a complete mirror image anatomy of the normal arrangement of the thoracic and abdominal viscera. This rare condition may pose possible surgical problems due to anatomical abnormality. There were few reports of surgical treatment for lung cancer patient with situs inversus totalis. In this case report, we describe a 74-year-old patient with situs inversus totalis and primary lung cancer who underwent successful left upper lobectomy and systemic lymph node dissection. For this rare condition, detail preoperative evaluation of mirror image anatomy with computed tomography and bronchofiber optic examination was thought to be a key to carry out safe operative procedure.
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