40 Result(s)

Chapter

Slope Deformation caused Jure Landslide 2014 Along Sun Koshi in Lesser Nepal Himalaya and Effect of Gorkha Earthquake 2015

Although there is no commonly accepted methodology for evaluation of deep-seated landslide susceptibility, the progress on remote sensing technology such as aerial photos, satellite images, precise DEM and InS...

H. Yagi, G. Sato, H. P. Sato, D. Higaki… in Understanding and Reducing Landslide Disas… (2021)

Article

GEP oncogene promotes cell proliferation through YAP activation in ovarian cancer

G-protein-coupled receptors (GPCRs) and their ligands function in the progression of human malignancies. Gα₁₂ and Gα₁₃, encoded by GNA12 and GNA13, respectively, are referred to as the GEP oncogene and are implic...

H Yagi, K Asanoma, T Ohgami, A Ichinoe, K Sonoda, K Kato in Oncogene (2016)

Article

Characterization of an Yb:YAG ceramic waveguide laser, fabricated by the direct femtosecond-laser writing technique

Using the direct femtosecond-laser writing technique tracks of modified material were written in an Yb(15%):YAG ceramic. Due to a stress-induced change of the refractive index between two parallel tracks waveg...

T. Calmano, A.-G. Paschke, J. Siebenmorgen, S. T. Fredrich-Thornton… in Applied Physics B (2011)

Article

New oxide ceramics {YGd₂}[Sc₂](Al₂Ga)O₁₂ with a partially disordered “garnet” structure as a matrix for the Ln³⁺ laser activator ions: Some physical properties

M. Sh. Akchurin, R. V. Gaĭnutdinov, I. I. Kupenko, A. V. Taranov… in Doklady Physics (2010)

Chapter

Real-Time Observation of Amyloid Fibril Growth by Total Internal Reflection Fluorescence Microscopy

Amyloid fibrils form through nucleation and growth. To clarify the mechanism involved, direct observations are important. We developed a unique approach to monitor fibril growth in real time at the single-fibr...

H. Yagi, T. Ban, Y. Goto in Water and Biomolecules (2009)

Article

Prophylactic fresh frozen plasma may prevent development of hepatic VOD after stem cell transplantation via ADAMTS13-mediated restoration of von Willebrand factor plasma levels

We initially conducted a multicenter, randomized trial (n=43), and subsequently a questionnaire study (n=209) of participating hospitals, to evaluate whether infused fresh frozen plasma (FFP) could prevent the oc...

M Matsumoto, K Kawa, M Uemura, S Kato, H Ishizashi… in Bone Marrow Transplantation (2007)

Chapter

Naturally Arising Foxp3-Expressing CD25⁺CD4⁺ Regulatory T Cells in Self-Tolerance and Autoimmune Disease

Naturally arising CD25⁺CD4⁺ regulatory T cells, which express the transcription factor Foxp3, play key roles in themaintenance of immunologic self-tolerance and negative control of a variety of physiological and ...

S. Sakaguchi, R. Setoguchi, H. Yagi… in Current Concepts in Autoimmunity and Chron… (2006)

Article

Microhardness and fracture toughness of Y₂O₃-and Y₃Al₅O₁₂-based nanocrystalline laser ceramics

The microhardness and fracture toughness of laser nanocrystalline ceramics based on the cubic oxides Y₂O₃ and Y₃Al₅O₁₂ are determined experimentally. It is shown by comparative measurements that the fracture toug...

A. A. Kaminskii, M. Sh. Akchurin, R. V. Gainutdinov, K. Takaichi… in Crystallography Reports (2005)

Article

110 W ceramic Nd³⁺ : Y₃Al₅O₁₂ laser

A high-power, continuous-wave 0.6% Nd³⁺-doped ceramic Y₃Al₅O₁₂ (Nd:YAG) laser has been developed. 110 W laser output at 1064 nm was obtained, with a slope efficiency of about 41%. The M² factor was found to be ar...

J. Lu, H. Yagi, K. Takaichi, T. Uematsu, J.-F. Bisson, Y. Feng… in Applied Physics B (2004)

Article

Nonequilibrium acoustic phonons in Y₃Al₅O₁₂-based nanocrystalline ceramics

The phonon transport processes in high-transparency nanocrystalline laser ceramics based on cubic Y₃Al₅O₁₂ garnet oxide were investigated by the heat-pulse technique. The propagation kinetics of nonequilibrium ac...

Yu. N. Barabanenkov, S. N. Ivanov… in Journal of Experimental and Theoretical Ph… (2004)

Article

Lasing and refractive indices of nanocrystalline ceramics of cubic Yttrium Oxide Y₂O₃ doped with Nd³⁺ and Yb³⁺ ions

A continuous-wave lasing at 1 μm was excited by the radiation of semiconductor laser diodes at room temperature in nanocrystalline ceramics Y₂O₃ doped with Nd³⁺ and Yb³⁺ ions. The refractive indices of the undope...

A. A. Kaminskii, K. Ueda, A. F. Konstantinova, H. Yagi… in Crystallography Reports (2003)

Article

Refractive indices of laser nanocrystalline ceramics based on Y₃Al₅O₁₂

Refractive indices of the nanocrystalline Y₃Al₅O₁₂ ceramic and a garnet single crystal of the same composition have been measured. In the visible and near IR range (0.4–1.064 μm), the prism method was used; in th...

A. A. Kaminskii, K. Ueda, A. F. Konstantinova, H. Yagi… in Crystallography Reports (2003)

Article

New data on the physical properties of Y₃Al₅O₁₂-based nanocrystalline laser ceramics

Microhardness and fracture toughness of highly transparent Y₃Al₅O₁₂-and Y₃Al₅O₁₂: Nd³⁺-based nanocrystalline ceramics are measured for the first time. For the Y₃Al₅O₁₂: Nd³⁺ laser ceramics, the use of a longitudi...

A. A. Kaminskii, M. Sh. Akchurin, V. I. Alshits, K. Ueda… in Crystallography Reports (2003)

Article

Element analysis and radioactivity measurement within a wood disk by neutron activation analysis

We have analyzed 16 elements and the radioactivity of ²¹⁰Pb in a wood disk, across the annual rings to find out a promising tool for dendrochronology (chronology of wood) both for a Japanese wood, Cryptomeria jap...

Y. Hayashi, N. Ikeue, K. Tanoi, N. Nogawa… in Journal of Radioanalytical and Nuclear Che… (2003)

Article

Letter to the Editor: Backbone NMR assignments of the metal-free UreE from Bacillus pasteurii

Yeon-Hee Lee, Hyung-Sik Won, Hee-Chul Ahn, Sangho Park… in Journal of Biomolecular NMR (2002)

Article

Impaired activity of plasma von Willebrand factor-cleaving protease may predict the occurrence of hepatic veno-occlusive disease after stem cell transplantation

Hepatic veno-occlusive disease (VOD) is a life-threatening complication after stem cell transplantation (SCT), characterized by thrombus formation in hepatic venules leading to a symptom triad of hyperbilirubi...

Y-D Park, A Yoshioka, K Kawa, H Ishizashi, H Yagi… in Bone Marrow Transplantation (2002)

Article

Cathodic characteristics of amorphous manganese oxides as lithium secondary battery

The amorphous manganese dioxides were prepared by reduction method using various reagents. The particle size and morphology depended on reducing agents, some of which were aggregated round particles of sub mic...

H. Yagi, T. Ichikawa, A. Hirano, N. Imanishi, S. Ogawa, Y. Takeda in Ionics (2002)

Article

Upshaw-Schulman Syndrome Revisited: A Concept of Congenital Thrombotic Thrombocytopenic Purpura

Upshaw-Schulman syndrome (USS) is a congenital bleeding disorder characterized by repeated episodes of thrombocytopenia and microangiopathic hemolytic anemia that respond to infusions of fresh frozen plasma. I...

S. Kinoshita, A. Yoshioka, Y. D. Park, H. Ishizashi… in International Journal of Hematology (2001)