Y. Nagahama

Publication List Details

Period

1960 - 2009

Number

15

Co-Authors

Hydrogen cyanide in the upper troposphere: GEM-AQ simulation and comparison with ACE-FTS observations (2009)

A. Lupu, J. W. Kaminski, L. Neary, J. C. McConnell, K. Toyota, C. P. Rinsland, ...

We investigate the spatial and temporal distribution of hydrogen cyanide (HCN) in the upper troposphere through numerical simulations and comparison with observations from a space-based instrument....

Hydrogen cyanide in the upper troposphere: GEM-AQ simulation and comparison with ACE-FTS observations (2009)

A. Lupu, J. W. Kaminski, L. Neary, J. C. McConnell, K. Toyota, C. P. Rinsland, ...

We investigate the spatial and temporal distribution of hydrogen cyanide (HCN) in the upper troposphere through numerical simulations and comparison with observations from a space-based instrument....

The role of infarction-associated pericarditis on the occurrence of atrial fibrillation (1998)

Nagahama, Y., Sugiura, T., Takehana, K., Hatada, K., Inada, M., Iwasaka, T.

Aims Transient atrial fibrillation is a relatively common arrhythmia in the early phase of acute Q-wave myocardial infarction. However, the role of infarction-associated pericarditis on the genesis...

Specimen Tensile Deformation Device for the Electron Microscope (1960)

TAKAHASHI, N., ASHINUMA, K., WATANABE, M., OKAZAKI, I., NAGAHAMA, Y.

The authors have tried to picture on 16mm movie film the dislocation and deformation of a metal specimen electron microscopically. The Electron microscope, Model JEM-6A, equipped with a new type of...

Hormonal induction of all stages of spermatogenesis in vitro in the male Japanese eel (Anguilla japonica).

Miura, T, Yamauchi, K, Takahashi, H, Nagahama, Y

The importance of gonadotropins and androgens for spermatogenesis is generally accepted in vertebrates, but the role played by specific hormones has not been clarified. Under cultivation conditions,...

Characterization of 1-methyladenine binding in starfish oocyte cortices.

Yoshikuni, M, Ishikawa, K, Isobe, M, Goto, T, Nagahama, Y

1-Methyladenine (1MeAde) is the naturally occurring maturation-inducing hormone of starfish oocytes. We have prepared a biologically active [3H]1MeAde of high purity and relatively high specific...

Hormonal induction of all stages of spermatogenesis in vitro in the male Japanese eel (Anguilla japonica).

Miura, T, Yamauchi, K, Takahashi, H, Nagahama, Y

The importance of gonadotropins and androgens for spermatogenesis is generally accepted in vertebrates, but the role played by specific hormones has not been clarified. Under cultivation conditions,...

Characterization of 1-methyladenine binding in starfish oocyte cortices.

Yoshikuni, M, Ishikawa, K, Isobe, M, Goto, T, Nagahama, Y

1-Methyladenine (1MeAde) is the naturally occurring maturation-inducing hormone of starfish oocytes. We have prepared a biologically active [3H]1MeAde of high purity and relatively high specific...

Progression of atrophy of the corpus callosum with deterioration of cerebral cortical oxygen metabolism after carotid artery occlusion: a follow up study with MRI and PET.

Yamauchi, H, Pagani, M, Fukuyama, H, Ouchi, Y, Nagahama, Y, Matsuzaki, S, ...

In cerebrovascular disease, progression of brain atrophy may reflect an increase in ischaemic changes. The purpose of this study was to determine whether atrophy of the corpus callosum progresses in...

Evidence of misery perfusion and risk for recurrent stroke in major cerebral arterial occlusive diseases from PET.

Yamauchi, H, Fukuyama, H, Nagahama, Y, Nabatame, H, Nakamura, K, Yamamoto, Y, ...

OBJECTIVES--In major cerebral arterial occlusive diseases, patients with inadequate blood supply relative to metabolic demand (misery perfusion) may be at increased risk for cerebral ischaemia. This...

Atrophy of the corpus callosum associated with a decrease in cortical benzodiazepine receptor in large cerebral arterial occlusive diseases

Yamauchi, H, Fukuyama, H, Dong, Y, Nabatame, H, Nagahama, Y, Nishizawa, S, ...

OBJECTIVES—It remains controversial whether selective neuronal ischaemic change develops in patients with occlusion of the large cerebral arteries. Previous studies have shown atrophy of the corpus...

The cerebral correlates of different types of perseveration in the Wisconsin Card Sorting Test

Nagahama, Y, Okina, T, Suzuki, N, Nabatame, H, Matsuda, M

Objectives: To explore the neural substrates corresponding to the perseverative errors in the Wisconsin Card Sorting Test (WCST).

Comparison of the pattern of atrophy of the corpus callosum in frontotemporal dementia, progressive supranuclear palsy, and Alzheimer's disease

Yamauchi, H., Fukuyama, H., Nagahama, Y., Katsumi, Y., Hayashi, T., Oyanagi, C., ...

OBJECTIVES—The loss of the neurons in layer 3, one of the groups of cortical neurons most vulnerable in various degenerative brain diseases, results in axonal degeneration leading to atrophy of the...