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  1. No Access

    Chapter and Conference Paper

    Automatic Detection of Early Gastric Cancer from Endoscopic Images Using Fast Discrete Curvelet Transform and Wavelet Transform Modulus Maxima

    We propose an automatic detection method for early stage gastric cancer from endoscopic images that uses the fast discrete curvelet transform (FDCT) and wavelet transform modulus maxima (WTMM). First, we conve...

    Yuya Tanaka, Kohei Watarai, Teruya Minamoto in 16th International Conference on Informati… (2019)

  2. No Access

    Chapter and Conference Paper

    Detection of Early Gastric Cancer from Endoscopic Images Using Wavelet Transform Modulus Maxima

    It is said that the overlooking rate of early gastric cancer in endoscopic examination reaches 20–25% in Japan, and it is desirable to develop a detection method for early gastric cancer from endoscopic images...

    Yuya Tanaka, Teruya Minamoto in Information Technology - New Generations (2018)

  3. No Access

    Chapter and Conference Paper

    An Immersive Visuo-Haptic VR Environment with Pseudo-haptic Effects on Perceived Stiffness

    In this presentation, we describe an immersive visuo-tactile VR system which presents tunable subjective hardness of virtual objects by employing the pseudo-haptic effects. Our system supposes that users put o...

    Daichi Matsumoto, Ya Zhu, Yuya Tanaka, Kyosuke Yamazaki in Haptic Interaction (2018)

  4. No Access

    Article

    Degradation Process in Pentacene-Based Organic Field-Effect Transistors Evaluated by Three-Terminal Capacitance-Voltage Measurements

    By taking advantage of three-terminal capacitance-voltage (TT-CV) measurement, we investigated a formation of trapped charge in pentacene(Pn)-based organic field-effect transistors (OFETs) during the bias stre...

    Yuya Tanaka, Kohei Yamamoto, Yutaka Noguchi, Hisao Ishii in MRS Advances (2017)

  5. Article

    Open Access

    Increased plasma VEGF levels following ischemic preconditioning are associated with downregulation of miRNA-762 and miR-3072-5p

    Ischemic preconditioning (IPC) has protective effects against ischemia-perfusion injury of organs. In the present study, we investigated the associated mechanisms after performing remote IPC (rIPC) of lower li...

    Koji Ueno, Makoto Samura, Tamami Nakamura, Yuya Tanaka in Scientific Reports (2016)

  6. Article

    Open Access

    Treatment of refractory cutaneous ulcers with mixed sheets consisting of peripheral blood mononuclear cells and fibroblasts

    The purpose of this study was to confirm the therapeutic effects of mixed sheets consisting of peripheral blood mononuclear cells (PBMNCs) and fibroblasts on cutaneous skin ulcers. Vascular endothelial growth ...

    Koji Ueno, Yuriko Takeuchi, Makoto Samura, Yuya Tanaka in Scientific Reports (2016)

  7. Article

    Open Access

    XXIV World Allergy Congress 2015

    A1 Pirfenidone inhibits TGF-b1-induced extracellular matrix production in nasal polyp-derived fibroblasts

    Heung-Man Lee, Il-Ho Park, Jae-Min Shin in World Allergy Organization Journal (2016)

  8. Article

    Open Access

    Influence of aging on the quantity and quality of human cardiac stem cells

    Advanced age affects various tissue-specific stem cells and decreases their regenerative ability. We therefore examined whether aging affected the quantity and quality of cardiac stem cells using cells obtaine...

    Tamami Nakamura, Tohru Hosoyama, Daichi Kawamura, Yuriko Takeuchi in Scientific Reports (2016)

  9. Article

    Open Access

    Combinatorial Treatment with Apelin-13 Enhances the Therapeutic Efficacy of a Preconditioned Cell-Based Therapy for Peripheral Ischemia

    Hypoxic pretreatment of peripheral blood mononuclear cells (PBMNCs) enhances therapeutic angiogenesis in ischemic tissues after cell transplantation. However, newly formed vessels generated using this approach...

    Makoto Samura, Noriyasu Morikage, Kotaro Suehiro, Yuya Tanaka in Scientific Reports (2016)

  10. No Access

    Article

    Torsion of the gallbladder, localized in right subphrenic space in a patient with liver cirrhosis

    We report a case of torsion of the gallbladder displaced under the right subphrenic space in a patient with liver cirrhosis. An 82-year-old Japanese woman was admitted to our hospital for acute pain in the rig...

    Yuichiro Maruyama, Yuya Tanaka, Masafumi Yasunaga in Clinical Journal of Gastroenterology (2015)

  11. No Access

    Article

    A traditional Japanese medicine—Hangeshashinto (TJ-14)—alleviates chemoradiation-induced mucositis and improves rates of treatment completion

    Oral mucositis induced by radiation or chemoradiation can cause devastating quality of life issues for patients undergoing treatment for head and neck cancer. In this study, we investigated the efficacy of a t...

    Taku Yamashita, Koji Araki, Masayuki Tomifuji, Daisuke Kamide in Supportive Care in Cancer (2015)

  12. No Access

    Article

    The physiological role of riboflavin transporter and involvement of FMN-riboswitch in its gene expression in Corynebacterium glutamicum

    Riboflavin is a precursor of flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD), which work as cofactors of numerous enzymes. Understanding the supply system of these cofactors in bacteria, part...

    Norihiko Takemoto, Yuya Tanaka, Masayuki Inui in Applied Microbiology and Biotechnology (2014)

  13. No Access

    Article

    Characterization of shikimate dehydrogenase homologues of Corynebacterium glutamicum

    The function of three Corynebacterium glutamicum shikimate dehydrogenase homologues, designated as qsuD (cgR_0495), cgR_1216, and aroE (cgR_1677), was investigated. A disruptant of aroE required shikimate for gro...

    Takeshi Kubota, Yuya Tanaka, Kazumi Hiraga in Applied Microbiology and Biotechnology (2013)

  14. No Access

    Article

    Capacitance-Voltage Measurement of an Ambipolar Pentacene Field Effect Transistor in Operation by Using Displacement Current Measurement

    The channel formation process of a pentacene ambipolar field-effect transistor was studied by displacement current measurement (DCM). We proposed a modified measurement circuit of DCM in order to investigate t...

    Yuya Tanaka, Yutaka Noguchi, Hisao Ishii in MRS Online Proceedings Library (2011)

  15. Chapter and Conference Paper

    Development of Information Filtering Systems for Disaster Prevention

    Text data with spatio-temporal information are becoming common with the popularization of mobile phones with a GPS function and microblog services like Twitter. This study proposes a system supporting operator...

    Yoshinori Hijikata, Tsutomu Yamanaka in Human-Computer Interaction. Users and Appl… (2011)

  16. No Access

    Article

    Regulation of expression of general components of the phosphoenolpyruvate: carbohydrate phosphotransferase system (PTS) by the global regulator SugR in Corynebacterium glutamicum

    The phosphoenolpyruvate: carbohydrate phosphotransferase system (PTS) catalyzes transport of carbohydrates by coupling carbohydrate translocation and phosphorylation. Enzyme I and HPr, encoded in ptsI and ptsH, r...

    Yuya Tanaka, Haruhiko Teramoto, Masayuki Inui in Applied Microbiology and Biotechnology (2008)

  17. No Access

    Chapter

    Calcium Overload-Induced Myocardial Damage Caused by Isoproterenol and by Adriamycin: Possible Role of Taurine in its Prevention

    Calcium ion (Ca2+) is essential for excitation-contraction coupling and for maintenance of cell integrity in the myocardium. On the other hand, it is clear that cytosolic Ca2+ loading may be the first event leadi...

    Junichi Azuma, Tomoyuki Hamaguchi, Hideyuki Ohta, Keiko Takihara in The Biology of Taurine (1987)

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