101
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Ishida S, Kato M, Fujita T, Funahashi Y, Sassa N, Matsukawa Y, Yoshino Y, Yamamoto T, Katsuno T, Maruyama S, Gotoh M. Calcineurin Inhibitor–Induced Pain Syndrome in ABO-Incompatible Living Kidney Transplantation: A Case Report. Transplant Proc 2017; 49:163-166. [DOI: 10.1016/j.transproceed.2016.11.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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102
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Kobayashi S, Hamazaki T, Hirai A, Terano T, Tamura Y, Kanakubo Y, Yoshida S, Fujita T, Kumagai A. Epidemiological and clinical studies of the effect of eicosapentaenoic acid (EPA, C20:5 ω-3) on blood viscosity. Clin Hemorheol Microcirc 2016. [DOI: 10.3233/ch-1985-5512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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103
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Ainoda Y, Takeshita N, Hase R, Mikawa T, Hosokawa N, Kawamura I, Kurai H, Abe M, Kimura M, Araoka H, Fujita T, Totsuka K, Mezaki K, Sekiya N, Ohmagari N. Multicenter Study of the Clinical Presentation of Staphylococcus lugdunensis Bacteremia in Japan. Jpn J Infect Dis 2016; 70:405-407. [PMID: 28003590 DOI: 10.7883/yoken.jjid.2016.130] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Staphylococcus lugdunensis (SL) is a bacterium with a highly pathogenicity than most other coagulase-negative Staphylococcus spp. (CoNS). In Japan, data on this pathogen are sparse, and the current prevalence of SL bacteremia is unknown. Therefore, we investigated the prevalence of SL in blood culture specimens in a prospective multicenter study across 5 facilities. A total of 3,284 patients had positive blood cultures, and 2,478 patients had bacteremia. Among the patients with bacteremia, 7 patients (0.28%) had SL bacteremia. A total of 281 patients had CoNS bacteremia, with SL accounting for 2.49% of these cases. Of the 7 patients with SL bacteremia, 1 patient (14.3%) had infective endocarditis, and 1 patient (14.3%) died within 30 days. In this study, SL resulted in the development of bacteremia in select patients. Clinicians in Japan should be aware of the prevalence of SL and the complications of SL bacteremia.
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104
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Motokawa M, Kaku M, Tohma Y, Kawata T, Fujita T, Kohno S, Tsutsui K, Ohtani J, Tenjo K, Shigekawa M, Kamada H, Tanne K. Effects of Cyclic Tensile Forces on the Expression of Vascular Endothelial Growth Factor (VEGF) and Macrophage-colony-stimulating Factor (M-CSF) in Murine Osteoblastic MC3T3-E1 Cells. J Dent Res 2016; 84:422-7. [PMID: 15840777 DOI: 10.1177/154405910508400505] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
It has been reported that vascular endothelial growth factor (VEGF), expressed by osteoblasts, can induce osteoclast recruitment and thus affects bone remodeling. The purpose of this study was to investigate the effects of cyclic tensile forces on the expression of VEGF and macrophage-colony-stimulating factor (M-CSF) in osteoblastic MC3T3-E1 cells. VEGF and M-CSF gene expression and protein concentration were determined by real-time PCR and enzyme-linked immunoassay. The expression of VEGF and M-CSF mRNA in the experimental group was higher than in the control group. The increase in the concentration of VEGF and M-CSF protein in the experimental group was time-dependent. Moreover, gadolinium (an S-A channel inhibitor), but not nifedipine (L-Type Ca2+ channel blocker), treatment reduced the concentration of VEGF and M-CSF mRNA and protein in the experimental groups. These findings suggest that cyclic tensile forces increase the expression of VEGF and M-CSF in osteoblastic MC3T3-E1 cells via a stretch-activated channel (S-A channel).
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105
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Fujita T, Stano P, Allison G, Morimoto K, Sato Y, Larsson M, Park JH, Ludwig A, Wieck AD, Oiwa A, Tarucha S. Signatures of Hyperfine, Spin-Orbit, and Decoherence Effects in a Pauli Spin Blockade. PHYSICAL REVIEW LETTERS 2016; 117:206802. [PMID: 27886503 DOI: 10.1103/physrevlett.117.206802] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Indexed: 06/06/2023]
Abstract
We detect in real time interdot tunneling events in a weakly coupled two-electron double quantum dot in GaAs. At finite magnetic fields, we observe two characteristic tunneling times T_{d} and T_{b}, belonging to, respectively, a direct and a blocked (spin-flip-assisted) tunneling. The latter corresponds to the lifting of a Pauli spin blockade, and the tunneling times ratio η=T_{b}/T_{d} characterizes the blockade efficiency. We find pronounced changes in the behavior of η upon increasing the magnetic field, with η increasing, saturating, and increasing again. We explain this behavior as due to the crossover of the dominant blockade-lifting mechanism from the hyperfine to spin-orbit interactions and due to a change in the contribution of the charge decoherence.
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106
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Qiu HJ, Chen LY, Ito Y, Kang JL, Guo XW, Liu P, Kashani H, Hirata A, Fujita T, Chen MW. An ultrahigh volumetric capacitance of squeezable three-dimensional bicontinuous nanoporous graphene. NANOSCALE 2016; 8:18551-18557. [PMID: 27782251 DOI: 10.1039/c5nr08852f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Graphene with a large specific surface area and high conductivity has a large specific capacitance. However, its volumetric capacitance is usually very low because the restacking of 2D graphene sheets leads to the loss of the large ion-accessible surface area. Here we report squeezable bicontinuous nanoporous nitrogen-doped graphene, which is extremely flexible and can tolerate large volume contraction by mechanical compression without the face-to-face restacking occurring. The compressed nanoporous N-doped graphene with a large ion accessible surface area and high conductivity shows an ultrahigh volumetric capacitance of ∼300 F cm-3 together with excellent cycling stability and high rate performance.
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107
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Kobayashi M, Takakura M, Asikin Y, Ganaha Y, Fujita T, Yogi Y, Kakazu K, Sasazawa Y. Relationship between critical-thinking and decision-making in exercise and lifestyle in adolescents. Eur J Public Health 2016. [DOI: 10.1093/eurpub/ckw175.110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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108
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Sim R, Schwaeble W, Fujita T. Complement research in the 18th–21st centuries: Progress comes with new technology. Immunobiology 2016; 221:1037-45. [DOI: 10.1016/j.imbio.2016.06.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 06/09/2016] [Accepted: 06/11/2016] [Indexed: 01/01/2023]
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109
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Yamakawa M, Ouhara K, Kajiya M, Munenaga S, Kittaka M, Yamasaki S, Takeda K, Takeshita K, Mizuno N, Fujita T, Sugiyama E, Kurihara H. Porphyromonas gingivalis infection exacerbates the onset of rheumatoid arthritis in SKG mice. Clin Exp Immunol 2016; 186:177-189. [PMID: 27465496 DOI: 10.1111/cei.12847] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/25/2016] [Indexed: 12/11/2022] Open
Abstract
Epidemiological studies have linked periodontitis to rheumatoid arthritis (RA). Porphyromonas gingivalis (Pg) was reported recently to produce citrullinated protein (CP) and increase anti-cyclic CP antibody (ACPA), both of which have been identified as causative factors of RA. In the present study, we determined the effects of Pg infection on the exacerbation of RA in a mouse model. RA model mice (SKG mice) were established by an intraperitoneal (i.p.) injection of laminarin (LA). Mice were divided into six groups, Ctrl (PBS injection), LA (LA injection), Pg/LA (Pg + LA injection), Pg (Pg injection), Ec/LA (Escherichia coli and LA injection) and Ec (E. coli injection). In order to evaluate RA, joint swelling by the arthritis score, bone morphology by microcomputed tomography (microCT), haematoxylin and eosin staining, ACPA, matrix metalloproteinase-3 (MMP-3) and cytokine level in serum by enzyme-linked immunosorbent assay were determined. Osteoclast differentiation from bone marrow mononuclear cells (BMCs) was examined to clarify the underlying mechanisms of RA. The presence of Pg and CP in joint tissue was also investigated. The arthritis score was threefold higher in the Pg/LA group than in the LA group. Severe bone destruction was observed in joint tissue of the Pg/LA group. A microCT analysis of the Pg/LA group revealed a decrease in bone density. ACPA, MMP-3, interleukin (IL)-2, IL-6, CXCL1 and macrophage inflammatory protein (MIP)-1α levels from the Pg/LA group were the highest. The osteoclastogenesis of BMCs was enhanced in the Pg/LA group. Furthermore, large amounts of Pg components and CP were detected in the Pg/LA group. In conclusion, Pg infection has the potential to exacerbate RA.
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110
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Kinoshita T, Muramatsu R, Fujita T, Nagumo H, Sakurai T, Noji S, Takahata E, Yaguchi T, Tsukamoto N, Kudo-Saito C, Hayashi Y, Kamiyama I, Ohtsuka T, Asamura H, Kawakami Y. Prognostic value of tumor-infiltrating lymphocytes differs depending on histological type and smoking habit in completely resected non-small-cell lung cancer. Ann Oncol 2016; 27:2117-2123. [PMID: 27502728 DOI: 10.1093/annonc/mdw319] [Citation(s) in RCA: 119] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2016] [Accepted: 07/29/2016] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND T-cell infiltration in tumors has been used as a prognostic tool in non-small-cell lung cancer (NSCLC). However, the influence of smoking habit and histological type on tumor-infiltrating lymphocytes (TILs) in NSCLC remains unclear. PATIENTS AND METHODS We evaluated the prognostic significance of TILs (CD4+, CD8+, CD20+, and FOXP3+) according to histological type and smoking habit using automatic immunohistochemical staining and cell counting in 218 patients with NSCLC. RESULTS In multivariate survival analyses of clinical, pathological, and immunological factors, a high ratio of FOXP3+ to CD4+ T cells (FOXP3/CD4) [hazard ratio (HR): 4.46, P < 0.01 for overall survival (OS); HR: 1.96, P < 0.05 for recurrence-free survival (RFS)] and a low accumulation of CD20+ B cells (HR: 2.45, P = 0.09 for OS; HR: 2.86, P < 0.01 for RFS) were identified as worse prognostic factors in patients with adenocarcinoma (AD). In non-AD, a low number of CD8+ T cells were correlated with an unfavorable outcome (HR: 7.69, P < 0.01 for OS; HR: 3.57, P < 0.02 for RFS). Regarding smoking habit in AD, a high FOXP3/CD4 ratio was poorly prognostic with a smoking history (HR: 5.21, P < 0.01 for OS; HR: 2.38, P < 0.03 for RFS), whereas a low accumulation of CD20+ B cells (HR: 4.54, P = 0.03 for OS; HR: 2.94, P < 0.01 for RFS) was confirmed as an unfavorable factor in non-smokers with AD. CONCLUSIONS A low number of CD8+ T cells in non-AD, a high FOXP3/CD4 ratio in smokers with AD, and a low number of CD20+ B cells in non-smokers with AD were identified as independent unfavorable prognostic factors in resected NSCLC. Evaluating the influence of histological type and smoking habit on the immunological environment may lead to the establishment of immunological diagnosis and appropriate individualized immunotherapy for NSCLC.
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111
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Fujita T, Petit F, Yor M. Pricing path-dependent options in a Black-Scholes market from the distribution of homogeneous Brownian functionals. J Appl Probab 2016. [DOI: 10.1239/jap/1077134664] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
We give some explicit formulae for the prices of two path-dependent options which combine Brownian averages and penalizations. Because these options are based on both the maximum and local time of Brownian motion, obtaining their prices necessitates some involved study of homogeneous Brownian functionals, which may be of interest in their own right.
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112
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Wakahara C, Morita Y, Tanaka S, Hoshi N, Kawara F, Kibi M, Ishida T, Man-I M, Fujita T, Toyonaga T. Optimization of steroid injection intervals for prevention of stricture after esophageal endoscopic submucosal dissection: A randomized controlled trial. Acta Gastroenterol Belg 2016; 79:315-320. [PMID: 27821027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
BACKGROUND Esophageal endoscopic submucosal dissection enables en bloc resection of large superficial esophageal cancer; however, this procedure may induce severe stricture. Intralesional steroid injection is an effective treatment for prevention of stricture after endoscopic resection; however, there have been no studies assessing the duration of such treatment. The aim of this study was to reduce treatment duration and to evaluate the effectiveness of weekly and biweekly steroid injections in preventing esophageal stricture after endoscopic resection. PATIENTS METHOD We performed a randomized controlled trial comparing patients receiving weekly or biweekly intralesional triamcinolone injections. Patients with a mucosal defect greater than 75% (3/4) of the luminal circumference after esophageal endoscopic submucosal dissection for superficial esophageal cancers were enrolled. The primary endpoint was the duration of steroid injection treatment. RESULTS The median duration of treatment was 37.0 days in the weekly group and 34.2 days in the biweekly group (P = 0.059). Among patients with a mucosal defect larger than 50 mm, there was a significant difference in the median duration of treatment between the weekly and biweekly groups (42.5 days vs 29.0 days, P = 0.013). CONCLUSION Biweekly steroid injection of triamcinolone reduces treatment duration, particularly in those with mucosal defects larger than 50 mm. (Acta gastro-enterol. belg., 2016, 79, 315-320).
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113
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Tsujimura M, Fujita T, Endo S, Nagai S, Watanabe E. AB1030 Effects of Conducting Directly Observed Treatment, Short-Course (DOTS) Strategy and Conferences on Latent Tuberculosis Infection in Rheumatoid Arthritis Patients Undergoing Immunosuppressive Therapy. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.3924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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114
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Hasegawa T, Sadakane H, Kobayashi M, Tachibana A, Oko T, Ishida Y, Fujita T, Takenono I, Komatsubara H, Takeuchi J, Ichiki K, Miyai D, Komori T. A multi-centre retrospective study of mandibular fractures: do occlusal support and the mandibular third molar affect mandibular angle and condylar fractures? Int J Oral Maxillofac Surg 2016; 45:1095-9. [PMID: 27134046 DOI: 10.1016/j.ijom.2016.04.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Revised: 12/30/2015] [Accepted: 04/07/2016] [Indexed: 11/17/2022]
Abstract
This retrospective study was performed to investigate the influence of occlusal support and the presence, state, and position of mandibular third molars on the incidence of mandibular angle and condylar fractures. The following variables were investigated: age, sex, cause of fracture, presence and state (impaction, angulation, and the number of roots) of the mandibular third molars, site of the mandibular fracture, presence of occlusal support, duration of intermaxillary fixation, and postoperative complications. Various risk factors for mandibular angle and condylar fractures were investigated by univariate analysis. The risk of mandibular angle fracture was significantly higher in patients with occlusal support and mandibular third molars. The risk of condylar fracture was significantly higher in patients without occlusal support or mandibular third molars. The position and angulation of the mandibular third molars were not significant risk factors in mandibular angle and condylar fractures. This study demonstrated the influence of occlusal support and the presence of mandibular third molars on the incidence of mandibular angle and condylar fractures. The presence of occlusal support may be a more important factor affecting mandibular angle or condylar fractures than the position of the mandibular third molars.
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115
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Nakajima S, Okada N, Kuroda K, Hisamatsu E, Sunami H, Sato T, Seguchi O, Yanase M, Hata H, Fujita T, Fukushima N, Kobayashi J, Nakatani T. The Role of Biventricular Assist Device on Patients with Multiorgan Failure Due to Fulminant Myocarditis: Single-Center Experience. J Heart Lung Transplant 2016. [DOI: 10.1016/j.healun.2016.01.1146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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116
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Watanabe T, Seguchi O, Yanase M, Fujita T, Sato T, Sunami H, Nakajima S, Nishimura K, Hisamatsu E, Kuroda K, Okada N, Wada K, Hata H, Ishibashi-Ueda H, Miyamoto Y, Kobayashi J, Fukushima N, Nakatani T. Relationship Between Brachial Artery Flow-Mediated Dilation and Clinical Characteristics of Heart Transplant Recipients. J Heart Lung Transplant 2016. [DOI: 10.1016/j.healun.2016.01.578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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117
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Hata H, Fujita T, Ishibashi-Ueda H, Fukushima N, Nakatani T, Kobayashi J. Primary Graft Dysfunction after Heart Transplantation with High Frequency of Marginal Donor Hearts. J Heart Lung Transplant 2016. [DOI: 10.1016/j.healun.2016.01.849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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118
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Sato T, Seguchi O, Kanaumi Y, Yanase M, Okada N, Kuroda K, Hisamatsu E, Sunami H, Nakajima S, Hata H, Fujita T, Ishibashi-Ueda H, Fukushima N, Kobayashi J, Nakatani T. Clinical Implication of Non-Complement-Binding De Novo Donor-Specific Anti-HLA Antibodies in Heart Transplant Recipients: Do We Really Have to Care All the DSA Positive Patients? J Heart Lung Transplant 2016. [DOI: 10.1016/j.healun.2016.01.585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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119
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Hisamatsu E, Seguchi O, Okada N, Kuroda K, Sunami H, Nakajima S, Sato T, Hata H, Yanase M, Fujita T, Fukushima N, Kobayashi J, Nakatani T. Gynecological Complications in Female Patients with Left Ventricular Assist Device Support. J Heart Lung Transplant 2016. [DOI: 10.1016/j.healun.2016.01.362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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120
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Baart TA, Shafiei M, Fujita T, Reichl C, Wegscheider W, Vandersypen LMK. Single-spin CCD. NATURE NANOTECHNOLOGY 2016; 11:330-334. [PMID: 26727201 DOI: 10.1038/nnano.2015.291] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Accepted: 11/11/2015] [Indexed: 06/05/2023]
Abstract
Spin-based electronics or spintronics relies on the ability to store, transport and manipulate electron spin polarization with great precision. In its ultimate limit, information is stored in the spin state of a single electron, at which point quantum information processing also becomes a possibility. Here, we demonstrate the manipulation, transport and readout of individual electron spins in a linear array of three semiconductor quantum dots. First, we demonstrate single-shot readout of three spins with fidelities of 97% on average, using an approach analogous to the operation of a charge-coupled device (CCD). Next, we perform site-selective control of the three spins, thereby writing the content of each pixel of this 'single-spin charge-coupled device'. Finally, we show that shuttling an electron back and forth in the array hundreds of times, covering a cumulative distance of 80 μm, has negligible influence on its spin projection. Extrapolating these results to the case of much larger arrays points at a diverse range of potential applications, from quantum information to imaging and sensing.
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121
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Seguchi O, Saito K, Fukuma K, Nakajima S, Sunami H, Sato T, Yanase M, Hata H, Fujita T, Nagatsuka K, Kobayashi J, Fukushima N, Nakatani T. The Clinical Relevance of Transcranial Doppler Detection of Micro-Embolic Signals in Patients with Heartmate II. J Heart Lung Transplant 2016. [DOI: 10.1016/j.healun.2016.01.687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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122
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Oikawa M, Hatakeyama S, Narita T, Yamamoto H, Hosogoe S, Imai A, Yoneyama T, Hashimoto Y, Koie T, Fujita T, Murakami R, Saitoh H, Funyu T, Narumi S, Ohyama C. Safety and Effectiveness of Marginal Donor in Living Kidney Transplantation. Transplant Proc 2016; 48:701-5. [DOI: 10.1016/j.transproceed.2015.09.067] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 08/21/2015] [Accepted: 09/15/2015] [Indexed: 10/21/2022]
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123
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Seguchi O, Nakano A, Nakajima S, Sunami H, Sato T, Yanase M, Hata H, Fujita T, Kobayashi J, Kitakaze M, Fukushima N, Nakatani T. Low Partial Pressure of End-Tidal Carbon Dioxide Predicts the Future Ventricular Assist Device Implantation in Patients with Chronic Advanced Heart Failure. J Heart Lung Transplant 2016. [DOI: 10.1016/j.healun.2016.01.480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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124
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Matsumoto Y, Fujita T, Hata H, Shimahara Y, Nakajima S, Sato T, Seguchi O, Yanase M, Fukushima N, Nakatani T, Kobayashi J. Driveline Angle Is Crucial to Prevent Exit Site Infection in Patients with HeartMate II. J Heart Lung Transplant 2016. [DOI: 10.1016/j.healun.2016.01.727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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125
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Kitagawa A, Drentje AG, Fujita T, Muramatsu M, Fukushima K, Shiraishi N, Suzuki T, Takahashi K, Takasugi W, Biri S, Rácz R, Kato Y, Uchida T, Yoshida Y. Recent developments of ion sources for life-science studies at the Heavy Ion Medical Accelerator in Chiba (invited). THE REVIEW OF SCIENTIFIC INSTRUMENTS 2016; 87:02C107. [PMID: 26932117 DOI: 10.1063/1.4934843] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
With about 1000-h of relativistic high-energy ion beams provided by Heavy Ion Medical Accelerator in Chiba, about 70 users are performing various biology experiments every year. A rich variety of ion species from hydrogen to xenon ions with a dose rate of several Gy/min is available. Carbon, iron, silicon, helium, neon, argon, hydrogen, and oxygen ions were utilized between 2012 and 2014. Presently, three electron cyclotron resonance ion sources (ECRISs) and one Penning ion source are available. Especially, the two frequency heating techniques have improved the performance of an 18 GHz ECRIS. The results have satisfied most requirements for life-science studies. In addition, this improved performance has realized a feasible solution for similar biology experiments with a hospital-specified accelerator complex.
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