Spin-Torque Diode Measurements of MgO-Based Magnetic Tunnel Junctions with Asymmetric Electrodes

We present a detailed study of the spin-torque diode effect in CoFeB/MgO/CoFe/NiFe magnetic tunnel junctions. From the evolution of the resonance frequency with magnetic field at different angles, we clearly identify the free-layer mode and find an excellent agreement with simulations by taking into account several terms for magnetic anisotropy. Moreover, we demonstrate the large contribution of the out-of-plane torque in our junctions with asymmetric electrodes compared to the in-plane torque. Consequently, we provide a way to enhance the sensitivity of these devices for the detection of microwave frequency

A Robin sequence patient treated by the tongue-lip adhesion technique of modified Argamaso method

われわれは八戸赤十字病院小児科から, Robin sequenceの生後12週男児の呼吸障害の改善のための対診を依頼された。患者は下顎後退,上気道閉塞,軟口蓋裂,舌小帯強直症がみられた。当科を受診前に,何度か重度の呼吸障害がみられ,2か月以上気管内挿管による呼吸管理か行われていた。患者の咽頭部の閉塞は,内規鏡検査によるSheyの分類のType 1であったため,われわれは生後15週でArgamaso変法による舌固定術を行った。術後2年5か月経過するが,以来患者にチアノーセは見られず,舌固定術は同患者に有効な治療法と思われた。A 12-week-old boy with Robin sequence was referred to us for respiratory improvement by a pediatrician in Hachmohe Red Cross Hospital The patient had micrognathia, upper airway obstruction, incomplete cleft palate and ankyloglossia The patient had a history of repeated cyanotic episodes and had been under respiratory care with endotracheal intubation for more than 2 months Using flexible fiber optic nasopharyngoscopy, his pharyngeal obstruction was classified as Type 1 of Sher\u27s classification Thus, we performed glossopexy of modified Argamaso method at 15 weeks after birth The patient has had no cyanotic episodes at 2 years and 5 months postoperatively We conclude that the glossopexy was effective for this patien

The ASTRO-H X-ray Observatory

The joint JAXA/NASA ASTRO-H mission is the sixth in a series of highly successful X-ray missions initiated by the Institute of Space and Astronautical Science (ISAS). ASTRO-H will investigate the physics of the high-energy universe via a suite of four instruments, covering a very wide energy range, from 0.3 keV to 600 keV. These instruments include a high-resolution, high-throughput spectrometer sensitive over 0.3-2 keV with high spectral resolution of Delta E < 7 eV, enabled by a micro-calorimeter array located in the focal plane of thin-foil X-ray optics; hard X-ray imaging spectrometers covering 5-80 keV, located in the focal plane of multilayer-coated, focusing hard X-ray mirrors; a wide-field imaging spectrometer sensitive over 0.4-12 keV, with an X-ray CCD camera in the focal plane of a soft X-ray telescope; and a non-focusing Compton-camera type soft gamma-ray detector, sensitive in the 40-600 keV band. The simultaneous broad bandpass, coupled with high spectral resolution, will enable the pursuit of a wide variety of important science themes.Comment: 22 pages, 17 figures, Proceedings of the SPIE Astronomical Instrumentation "Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray

The Quiescent Intracluster Medium in the Core of the Perseus Cluster

Clusters of galaxies are the most massive gravitationally-bound objects in the Universe and are still forming. They are thus important probes of cosmological parameters and a host of astrophysical processes. Knowledge of the dynamics of the pervasive hot gas, which dominates in mass over stars in a cluster, is a crucial missing ingredient. It can enable new insights into mechanical energy injection by the central supermassive black hole and the use of hydrostatic equilibrium for the determination of cluster masses. X-rays from the core of the Perseus cluster are emitted by the 50 million K diffuse hot plasma filling its gravitational potential well. The Active Galactic Nucleus of the central galaxy NGC1275 is pumping jetted energy into the surrounding intracluster medium, creating buoyant bubbles filled with relativistic plasma. These likely induce motions in the intracluster medium and heat the inner gas preventing runaway radiative cooling; a process known as Active Galactic Nucleus Feedback. Here we report on Hitomi X-ray observations of the Perseus cluster core, which reveal a remarkably quiescent atmosphere where the gas has a line-of-sight velocity dispersion of 164+/-10 km/s in a region 30-60 kpc from the central nucleus. A gradient in the line-of-sight velocity of 150+/-70 km/s is found across the 60 kpc image of the cluster core. Turbulent pressure support in the gas is 4% or less of the thermodynamic pressure, with large scale shear at most doubling that estimate. We infer that total cluster masses determined from hydrostatic equilibrium in the central regions need little correction for turbulent pressure.Comment: 31 pages, 11 Figs, published in Nature July

Hitomi (ASTRO-H) X-ray Astronomy Satellite

The Hitomi (ASTRO-H) mission is the sixth Japanese x-ray astronomy satellite developed by a large international collaboration, including Japan, USA, Canada, and Europe. The mission aimed to provide the highest energy resolution ever achieved at E  >  2  keV, using a microcalorimeter instrument, and to cover a wide energy range spanning four decades in energy from soft x-rays to gamma rays. After a successful launch on February 17, 2016, the spacecraft lost its function on March 26, 2016, but the commissioning phase for about a month provided valuable information on the onboard instruments and the spacecraft system, including astrophysical results obtained from first light observations. The paper describes the Hitomi (ASTRO-H) mission, its capabilities, the initial operation, and the instruments/spacecraft performances confirmed during the commissioning operations for about a month

Finishing the euchromatic sequence of the human genome

The sequence of the human genome encodes the genetic instructions for human physiology, as well as rich information about human evolution. In 2001, the International Human Genome Sequencing Consortium reported a draft sequence of the euchromatic portion of the human genome. Since then, the international collaboration has worked to convert this draft into a genome sequence with high accuracy and nearly complete coverage. Here, we report the result of this finishing process. The current genome sequence (Build 35) contains 2.85 billion nucleotides interrupted by only 341 gaps. It covers ∼99% of the euchromatic genome and is accurate to an error rate of ∼1 event per 100,000 bases. Many of the remaining euchromatic gaps are associated with segmental duplications and will require focused work with new methods. The near-complete sequence, the first for a vertebrate, greatly improves the precision of biological analyses of the human genome including studies of gene number, birth and death. Notably, the human enome seems to encode only 20,000-25,000 protein-coding genes. The genome sequence reported here should serve as a firm foundation for biomedical research in the decades ahead

A Case of Psoriasis Vulgaris Treated with Brodalumab in a Hemodialysis Patient with End-Stage Renal Disease due to Diabetic Nephropathy

Psoriasis vulgaris is not frequently seen in patients on hemodialysis. However, these patients have limited treatment for psoriasis due to concerns about complications. We report the case of a psoriatic patient with end-stage renal disease on hemodialysis, safely treated with brodalumab. A 60-year-old man who presented with a 20-year history of recalcitrant severe psoriasis. He had diabetes from 40 years ago, and hemodialysis was initiated due to the progression of renal dysfunction two months ago. He was treated with brodalumab, and skin lesions improved markedly. He began to have a chronic cough four months after starting brodalumab. CT showed diffuse ground-glass shadow and pleural effusion in both lungs. Transbronchial lung biopsy showed no findings suggestive of interstitial pneumonia. In bronchoalveolar lavage fluid, mycobacteria and fungi were not identified. The T-SPOT.TB test was negative. It was considered to be a symptom of overflow due to excessive fluid volume based on insufficient dietary management. Brodalumab was continued, and respiratory symptoms improved with proper weight setting and adequate dietary control. No recurrence of rash has been seen 12 months after the initiation of brodalumab. There were no serious adverse events