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Search: authors:"Takeo Sakurai"

6 papers found.
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Respiratory Uptake and Depuration Kinetics of Perfluorooctanesulfonate (PFOS) in a Marine Sandworm Species

We determined the respiratory uptake and depuration kinetics of perfluorooctanesulfonate (PFOS) in Perinereis wilsoni, a polychaete sandworm used as a model species to investigate the fate of chemical pollutants in coastal environments. The sandworms were kept in gravel-packed containers, and the water levels were varied cyclically to mimic the tides. We used seawater kept at ...

A longitudinal genome-wide association study of anti-tumor necrosis factor response among Japanese patients with rheumatoid arthritis

Background Studies of Caucasian patients with rheumatoid arthritis (RA) to identify genetic biomarkers of anti-tumor necrosis factor (TNF) response have used response at a single time point as the phenotype with which single nucleotide polymorphism (SNP) associations have been tested. The findings have been inconsistent across studies. Among Japanese patients, only a few SNPs have ...

Corticosteroid therapy in a patient with cerebral amyloid angiopathy-related inflammation

We studied longitudinal changes of the levels of anti-amyloid β (anti-Aβ) antibody, amyloid β (Aβ) protein, and interleukin 8 (IL-8) in cerebrospinal fluid (CSF) of a patient with cerebral amyloid angiopathy-related inflammation (CAA-ri) in whom steroid treatment resulted in clinical improvement. The diagnosis of CAA-ri was established with brain biopsy. Levels of anti-Aβ 42 ...

Evolution of the unsteady Eddington–Vogt–Sweet circulation in the solar radiative zone in response to the solar wind torque – I. A time-similar solution of the basic equations

We discover a time-similar solution of the basic equations of the unsteady axisymmetric Eddington–Vogt–Sweet (EVS)-type flow in the non-viscous radiative interior subject to the solar wind torque. The effect of the solar wind torque is represented by the time decrease of the angular velocity on the outer boundary which coincides with the interface between the outer convective zone ...

Analytical method of characteristics applied to the azimuthally dependent solar wind

We discuss the application of the analytical method of characteristics to the hypersonic part of a corotating quasi-steady configuration on the ecliptic plane of the azimuthally dependent solar wind. Our previous QRH approximation has been improved at large heliocentric distances. The approximate equations are made exactly linear by a variable transformation to the characteristics ...

The Evolution of the Solar Inner Rotation

The evolution of the axisymmetric rotation of the radiative interior of the Sun is studied based on the Eddington–Sweet theory of perturbation. The effect of the molecular weight gradient is neglected, but the effects of the eddy viscosity and of the solar wind torque are taken into account. A new formulation of the initial boundary value problem of a system of the potential ...