Search results for: S. Yoshizawa

Items from 1 to 20 out of 124 results

article

Treatment of twin‐reversed arterial perfusion sequence using high‐intensity focused ultrasound

K. Seo, K. Ichizuka, T. Okai, S. Dohi, more

Ultrasound in Obstetrics & Gynecology > 54 > 1 > 128 - 134

We describe our experience of high‐intensity focused ultrasound (HIFU) for fetal therapy in twin‐reversed arterial perfusion (TRAP) sequence. Six pregnant women underwent HIFU therapy, five before 16 weeks and one at 26 weeks. Two types of HIFU system were used: the first‐generation system, which comprised a biaxial transducer and continuous exposure pattern, and the second‐generation system, which...

article

OP11.03: Twin‐reversed arterial perfusion sequence using high‐intensity focused ultrasound therapy

K. Seo, K. Ichizuka, T. Okai, S. Dohi, more

Ultrasound in Obstetrics & Gynecology > 52 > S1 > 95 - 95

article

Public health and healthcare-associated risk of electric, warm-water bidet toilets

A. Kanayama Katsuse, H. Takahashi, S. Yoshizawa, Kazuhiro Tateda, more

Journal of Hospital Infection > 2017 > 97 > 3 > 296-300

In recent years, installation of bidet toilets within hospitals in Japan has raised concerns regarding potential for cross-contamination by antimicrobial-resistant bacteria from patients who are hospitalized over an extended period.To investigate the distribution of antimicrobial-resistant bacteria recovered from bidet toilets at a university-affiliated hospital in Japan.All 292 electric bidet toilets...

article

P15.04: Non‐invasive in utero treatment of twin reversed arterial perfusion sequence by improved high‐intensity focused ultrasound systems

K. Ichizuka, K. Seo, R. Matsuoka, T. Okai, more

Ultrasound in Obstetrics & Gynecology > 50 > S1 > 202 - 202

article

Surface state of the dual topological insulator Bi0.91Sb0.09(112¯)

I. Matsuda, K. Yaji, A.A. Taskin, M. D'angelo, more

Physica B: Condensed Matter > 2017 > 516 > C > 100-104

The electronic structure of a Bi0.91Sb0.09 single crystal was elucidated at a bisectrix (112¯) surface by angle-resolved photoemission spectroscopy using microbeam synchrotron radiation. A Dirac-cone-like dispersion of the surface state was observed at the Γ¯ point. The detected surface-state band likely corresponds to the one observed in previous quantum transport research (Taskin and Ando, 2009)...

article

Extracellular Vesicles (EVS) Released by Bone Marrow Stromal Cells Show a Distinct Mirna Profile in High-Risk MDS Patients

K. Ohyashiki, Y. Saito, S. Imanishi, T. Umezu, more

Leukemia Research > 2017 > 55 > S1 > S117-S118

article

EP21.02: Evaluation of second‐generation HIFU systems for less‐invasive fetal therapy in TRAP sequence

K. Seo, K. Ichizuka, T. Okai, M. Nakamura, more

Ultrasound in Obstetrics & Gynecology > 48 > S1 > 355 - 355

article

Molecular epidemiologic analysis of a Pneumocystis pneumonia outbreak among renal transplant patients

N. Urabe, Y. Ishii, Y. Hyodo, K. Aoki, more

Clinical Microbiology and Infection > 2016 > 22 > 4 > 365-371

Between 18 November and 3 December 2011, five renal transplant patients at the Department of Nephrology, Toho University Omori Medical Centre, Tokyo, were diagnosed with Pneumocystis pneumonia (PCP). We used molecular epidemiologic methods to determine whether the patients were infected with the same strain of Pneumocystis jirovecii. DNA extracted from the residual bronchoalveolar lavage fluid from...

chapter

Acoustic Impedance Evaluation of Thermally Denatured and Non-denatured Biological Tissues

T. Shishitani, S. Yoshizawa, S. Umemura

IFMBE Proceedings > 6th World Congress of Biomechanics (WCB 2010). August 1-6, 2010 Singapore > The 13th International Symposium of NanoBME > 1629-1632

High-intensity focused ultrasound (HIFU) is a method to treat non-superficial tumors by inducing high temperature to coagulate them. In this study, we measured the acoustic impedance distribution and sound speed of thermally-denatured and nondenatured chicken breast muscles. The thermally-denatured specimen was obtained by exposure to HIFU at about 800 W/cm² for 60 s. The condition was so chosen...

article

P11.05: Fundamental study for fetal therapy by using an improved HIFU transducer

K. Seo, K. Ichizuka, H. Aoki, S. Yoshizawa, more

Ultrasound in Obstetrics & Gynecology > 46 > S1 > 158 - 158

chapter

Dynamic voltage regulator operation with demand side management for voltage control

A.L.M. Mufaris, J. Baba, S. Yoshizawa, Y. Hayashi

2015 IEEE Eindhoven PowerTech > 1 - 6

2015 IEEE Eindhoven PowerTech

Widespread interconnection of Photovoltaic (PV) systems in the distribution system may create voltage rise problem. In this paper, a decentralized voltage control method by use of voltage regulators (VRs) and demand side management using consumer controllable load has been proposed for voltage rise compensation. The proposed method includes a novel determination method to find dynamic line drop compensation...

chapter

Determination of dynamic line drop compensation parameters of voltage regulators for voltage rise mitigation

A. L. M. Mufaris, J. Baba, S. Yoshizawa, Y. Hayashi

2015 International Conference on Clean Electrical Power (ICCEP) > 319 - 325

2015 International Conference on Clean Electrical Power (ICCEP)

Dynamic operation of voltage regulator (VR) has been proposed for voltage regulation in a distribution system with large integration of distributed generators (DGs). In conventional voltage control, VR's tap operation is adjusted based on the local bus voltage or voltage at load center. When considerable DGs are interconnected, voltage profile and power flow are not same as that of with conventional...

article

Comparison of different aspects of BMI history to identify undiagnosed diabetes in Japanese men and women: Toranomon Hospital Health Management Center Study 12 (TOPICS 12)

S. Yoshizawa, Y. Heianza, Y. Arase, K. Saito, more

Diabetic Medicine > 31 > 11 > 1378 - 1386

AimsTo examine current BMI and various aspects of BMI history as pre‐screening tools for undiagnosed diabetes in Japanese individuals. MethodsThis cross‐sectional study included 16 226 men and 7026 women aged 30–75 years without a self‐reported history of clinician‐diagnosed diabetes. We estimated the probability of having undiagnosed diabetes (fasting glucose ≥ 7.0 mmol/l and/or HbA_1c ≥ 48 mmol⁄mol...

chapter

Fabrication of spindt-type double-gated field-emitters using photoresist lift-off layer

M. Nagao, S. Yoshizawa

2014 27th International Vacuum Nanoelectronics Conference (IVNC) > 226 - 227

2014 27th International Vacuum Nanoelectronics Conference (IVNC)

A new fabrication method of Spindt-type field emitters will be presented. In our method, double-layered photoresist is used as a lift-off layer for making an emitter tip. The selection of the emitter material is a key for this process. We selected Ni as the emitter material. We also apply volcano-structured double-gate for the Ni Spindt-type FEA.

article

Human herpesvirus 6 reactivation on the 30th day after allogeneic hematopoietic stem cell transplantation can predict grade 2–4 acute graft‐versus‐host disease

M. Gotoh, S. Yoshizawa, S. Katagiri, T. Suguro, more

Transplant Infectious Disease > 16 > 3 > 440 - 449

BackgroundViral infections and their occult reactivation occasionally cause not only organ damage, but also exacerbation of acute graft‐versus‐host disease (aGVHD), which may increase transplantation‐related mortality synergistically. To determine correlations between viral reactivation and transplantation‐related complications, we performed various viral screening tests on the 30th day after allogeneic...

article

An International Tutorial for Cardiac Acute Cellular Rejection

S. Yoshizawa, O. Nikolskaia, L.A. Batoroeva, Y.K. Batoroev, more

Journal of Heart and Lung Transplantation > 2014 > 33 > 4 Supplement > S314-S315

article

Quantitative relationship between body weight gain in adulthood and incident type 2 diabetes: a meta‐analysis

S. Kodama, C. Horikawa, K. Fujihara, S. Yoshizawa, more

Obesity Reviews > 15 > 3 > 202 - 214

This meta‐analysis quantified the risk of type 2 diabetes mellitus (T2DM) preceded by body weight (BW) gain in the general population. Systematic literature searches retrieved 15 eligible studies. The BW gain was divided into early weight‐gain, which was defined as BW gain from early adulthood (18–24 years of age) to cohort entry (≥25 years of age), and late weight‐gain, which was defined as BW gain...

article

P-060 The DNA methylation index of peripheral blood is a predictive marker for resistance to azacytidine in MDS patients

M. Asano, J. Ohyashiki, T. Umezu, C. Kobayashi, more

Leukemia Research > 2013 > 37 > Supplement 1 > S49

article

Flavonol‐containing phosphorylated pullulan may attenuate pulp inflammation

J. Yonehiro, Y. Yoshida, A. Yamashita, S. Yoshizawa, more

International Endodontic Journal > 46 > 2 > 119 - 127

AimTo find possible reagents to minimize inflammatory responses by using an established pulpitis models for the purpose of developing new pulp‐capping materials, and to test the possible use of phosphorylated pullulan as a carrier for such an anti‐inflammatory reagent. MethodologyCo‐culturing was performed using transwell systems. Inflammatory responses were evaluated by measuring cytokines produced...

article

Establishment of an ex vivo pulpitis model by co‐culturing immortalized dental pulp cells and macrophages

J. Yonehiro, A. Yamashita, Y. Yoshida, S. Yoshizawa, more

International Endodontic Journal > 45 > 12 > 1103 - 1108

Yonehiro J, Yamashita A, Yoshida Y, Yoshizawa S, Ohta K, Kamata N, Okihara T, Nishimura F. Establishment of an ex vivo pulpitis model by co‐culturing immortalized dental pulp cells and macrophages. International Endodontic Journal. AbstractAim To establish an ex vivo pulpitis model by co‐culturing dental pulp cells with macrophages.Methodology As dental pulp cells, immortalized human dental pulp...

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OFDM MODULATION (27)
OFDM (16)
WIRELESS LAN (12)
MIMO COMMUNICATION (10)
ERROR STATISTICS (7)
MIMO (7)
PEAK TO AVERAGE POWER RATIO (7)
RECEIVERS (7)
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DATA MODULATION (4)
DELAY (4)
FADING (4)
FAST FOURIER TRANSFORMS (4)
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GENETIC ALGORITHM (4)
PARTIAL TRANSMIT SEQUENCES (4)
SILICON (4)
BIOCHEMISTRY (3)
BIOSENSORS (3)
COMPUTER ARCHITECTURE (3)
DNA (3)
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FADING CHANNELS (3)
FINITE IMPULSE RESPONSE FILTER (3)
FREQUENCY 80 MHZ (3)
GENETIC ALGORITHMS (3)
HIGH INTENSITY FOCUSED ULTRASOUND (3)
MELT PROCESS (3)
MICROFLUIDICS (3)
MOLECULAR BIOPHYSICS (3)
MULTIPATH CHANNELS (3)
NANOBIOSCIENCE (3)
NEURAL NETS (3)
NEURAL NETWORKS (3)
ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM (3)
PARTIAL TRANSMIT SEQUENCE (3)
POWER DEMAND (3)
POWER DISSIPATION (3)
REGULATORS (3)
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VICKERS HARDNESS (3)
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VOLTAGE CONTROL (3)
WIRELESS LAN SYSTEMS (3)
[PHYSICAL ASTRONOMY CLASSIFICATION SCHEME] 74.72.BK (3)
[PHYSICAL ASTRONOMY CLASSIFICATION SCHEME] 74.72.HS (3)
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Search results for: S. Yoshizawa

Treatment of twin‐reversed arterial perfusion sequence using high‐intensity focused ultrasound

OP11.03: Twin‐reversed arterial perfusion sequence using high‐intensity focused ultrasound therapy

Public health and healthcare-associated risk of electric, warm-water bidet toilets

P15.04: Non‐invasive in utero treatment of twin reversed arterial perfusion sequence by improved high‐intensity focused ultrasound systems

Surface state of the dual topological insulator Bi0.91Sb0.09(112¯)

Extracellular Vesicles (EVS) Released by Bone Marrow Stromal Cells Show a Distinct Mirna Profile in High-Risk MDS Patients

EP21.02: Evaluation of second‐generation HIFU systems for less‐invasive fetal therapy in TRAP sequence

Molecular epidemiologic analysis of a Pneumocystis pneumonia outbreak among renal transplant patients

Acoustic Impedance Evaluation of Thermally Denatured and Non-denatured Biological Tissues

P11.05: Fundamental study for fetal therapy by using an improved HIFU transducer

Dynamic voltage regulator operation with demand side management for voltage control

Determination of dynamic line drop compensation parameters of voltage regulators for voltage rise mitigation

Comparison of different aspects of BMI history to identify undiagnosed diabetes in Japanese men and women: Toranomon Hospital Health Management Center Study 12 (TOPICS 12)

Fabrication of spindt-type double-gated field-emitters using photoresist lift-off layer

Human herpesvirus 6 reactivation on the 30th day after allogeneic hematopoietic stem cell transplantation can predict grade 2–4 acute graft‐versus‐host disease

An International Tutorial for Cardiac Acute Cellular Rejection

Quantitative relationship between body weight gain in adulthood and incident type 2 diabetes: a meta‐analysis

P-060 The DNA methylation index of peripheral blood is a predictive marker for resistance to azacytidine in MDS patients

Flavonol‐containing phosphorylated pullulan may attenuate pulp inflammation

Establishment of an ex vivo pulpitis model by co‐culturing immortalized dental pulp cells and macrophages

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