Hitoshi Koizumi

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In this paper, we propose a software testing environment, called D-Cloud, using cloud computing technology and virtual machines with fault injection facility. Nevertheless, the importance of high dependability in a software system has recently increased, and exhaustive testing of software systems is becoming expensive and time-consuming, and, in many cases,(More)
  • Akira Yamaguchi, Yohko Kohno, +7 authors Dr. Shusaku Yoshiki
  • 1986
The common marmoset, a New World monkey, requires a large amount of vitamin D3 to maintain its normal growth. This monkey is reported to have an end-organ resistance to 1α,25-dihydroxyvitamin D3 (1α, 25(OH)2D3). In this study, the bone morphology of marmosets fed a high vitamin D3 diet (intake of vitamin D3, 110 IU/day/100 g of body weight) was compared by(More)
In the ovarian cycle of common marmosets, serum progesterone began to increase at two to three days after estradiol-17β or LH surge, attained a peak of 25–70 ng/ml and then declined to a level of under 2 ng/ml before the ensuing rise in estradiol-17β and LH. Serum estradiol-17β increased to 700–5,500 pg/ml during the luteal phase, synchronizing with(More)
Various information systems are widely used in information society era, and the demand for highly dependable system is increasing year after year. However, software testing for such a system becomes more difficult due to the enlargement and the complexity of the system. In particular, it is too difficult to test parallel and distributed systems sufficiently(More)
A homologous double-antibody radioimmunoassay developed for humans was used to measure serum prolactin, progesterone, and estradiol in common marmosets. In the ovarian cycle of common marmosets, serum progesterone began to increase after an estradiol surge, attained a peak level, and then declined before the ensuing pre-ovulatory rise in estradiol. During(More)
The serum levels of chorionic gonadotropin (LH/CG), progesterone, and estradiol-17β were measured during pregnancy in the common marmoset. The gestation period in five females was 144±1.5 (141–145) days. The LH/CG level increased from the early stage of pregnancy, reached a maximum of 10–17 ng/ml at 50 to 70 days and decreased to under 40 pg/ml at about 100(More)
A chemiluminometric flow-through sensor for simultaneous determination of L-glutamate (Glu) and L-lysine (Lys) in a single sample has been developed. Immobilized uricase, immobilized peroxidase, support material, coimmobilized glutamate oxidase/peroxidase, support material, and coimmobilized lysine oxidase/peroxidase were packed sequentially in a(More)
D-Cloud is a software testing environment for dependable parallel and distributed systems using cloud computing technology. We use Eucalyptus as cloud management software to manage virtual machines designed based on QEMU, called FaultVM, which have a fault injection mechanism. D-Cloud enables the test procedures to be automated using a large amount of(More)
The effective magneto-optical properties of novel nonanuclear Tb(III) complexes with Tb-O lattice (specifically, [Tb9(sal-R)16(μ-OH)10](+)NO3(-), where sal-R = alkyl salicylate (R = -CH3 (Me), -C2H5 (Et), -C3H7 (Pr), or -C4H9 (Bu)) are reported. The geometrical structures of these nonanuclear Tb(III) complexes were characterized using X-ray single-crystal(More)
A chemiluminometric flow-through sensor for the simultaneous determination of glucose (Glu) and 3-hydroxybutyrate (HB) in a single sample has been developed. Coimmobilized 3-hydroxybutyrate dehydrogenase/NADH oxidase/peroxidase, a support material, and coimmobilized glucose dehydrogenase/NADH oxidase/peroxidase were packed sequentially in a transparent PTFE(More)