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Article ; Online: Focusing and imaging of cold neutrons with a permanent magnetic lens.

Cremer, Jay T / Filter, Hanno / Klepp, Jürgen / Geltenbort, Peter / Dewhurst, Charles / Oda, Tatsuro / Pantell, Richard H

The Review of scientific instruments

2020 Volume 91, Issue 1, Page(s) 13704

Abstract: This paper reports imaging of objects with slow neutrons, specifically very cold neutrons and cold neutrons, at Institut Laue Langevin, using novel, permanent magnet ( ... ...

Abstract	This paper reports imaging of objects with slow neutrons, specifically very cold neutrons and cold neutrons, at Institut Laue Langevin, using novel, permanent magnet (Nd
Language	English
Publishing date	2020-02-03
Publishing country	United States
Document type	Journal Article
ZDB-ID	209865-9
ISSN	1089-7623 ; 0034-6748
ISSN (online)	1089-7623
ISSN	0034-6748
DOI	10.1063/1.5116759
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Book ; Online: Direct observations of spin fluctuations in spin-hedgehog-anti-hedgehog lattice states in MnSi$_{1-x}$Ge$_x$ ($x=0.6$ and $0.8$) at zero magnetic field

Aji, Seno / Oda, Tatsuro / Fujishiro, Yukako / Kanazawa, Naoya / Saito, Hiraku / Endo, Hitoshi / Hino, Masahiro / Itoh, Shinichi / Arima, Taka-hisa / Tokura, Yoshinori / Nakajima, Taro

2023

Abstract: The helimagnetic compounds MnSi$_{1-x}$Ge$_{x}$ show the three-dimensional multiple-$q$ order as referred to as spin-hedgehog-anti-hedgehog (SHAH) lattice. Two representative forms of SHAH are cubic-3$q$ lattice with $q \| \langle100\rangle$ and ... ...

Abstract	The helimagnetic compounds MnSi$_{1-x}$Ge$_{x}$ show the three-dimensional multiple-$q$ order as referred to as spin-hedgehog-anti-hedgehog (SHAH) lattice. Two representative forms of SHAH are cubic-3$q$ lattice with $q \\| \langle100\rangle$ and tetrahedral-4$q$ lattice with $q \\| \langle111\rangle$, which show up typically for $x=1.0-~0.8$ and for $x=0.6$, respectively. Here, we have investigated the spin fluctuations in the MnSi$_{1-x}$Ge$_{x}$ polycrystalline samples with $x=0.6$ and $0.8$ by using the time-of-flight (TOF) neutron inelastic scattering and MIEZE-type neutron spin echo techniques to elucidate the microscopic origin of the unconventional Hall effect in the SHAH lattice states. This research is motivated by the observation of a sign change in the unconventional Hall resistivity as a function of temperature [Y. Fujishiro et al., Nat. Comm. $\textbf{10}$, 1059 (2019)]. The present results reveal the correspondences between the temperature ranges where the positive Hall resistivity and spin fluctuations are observed. These results agree well with the theoretical model of the conduction electrons scattered by the fluctuating spin clusters with a non-zero average of sign-biased scalar spin chirality as a mechanism of the positive Hall resistivity [H. Ishizuka and N. Nagaosa, Sci. Adv. $\textbf{4}$, eaap9962 (2018)]. Comment: 10 pages, 8 figures
Keywords	Condensed Matter - Strongly Correlated Electrons ; Condensed Matter - Materials Science
Subject code	530
Publishing date	2023-05-01
Publishing country	us
Document type	Book ; Online
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Article ; Online: Impact of the COVID-19 pandemic on patients with mental health problems and the differences among diagnostic categories.

Mashima, Yuki / Koizumi, Teruki / Minegishi, Shunta / Miyakoshi, Megumi / Okada, Mai / Ogyu, Kamiyu / Kusudo, Keisuke / Kiyohara, Masataka / Kitada, Shinobu / Koyanagi, Kazuhiro / Suzuki, Hisaomi / Nozaki, Shoko / Oda, Akihiko / Hirai, Shinji / Nakane, Jun / Onaya, Mitsumoto / Oda, Tatsuro / Koreki, Akihiro

The International journal of social psychiatry

2022 Volume 68, Issue 5, Page(s) 969–980

Abstract: Background: The coronavirus disease 2019 (COVID-19) pandemic has resulted in a total upending of our daily lives. While anxiety and depression were frequently reported among the general population, the pandemic's impact on patients with mental health ... ...

Abstract	Background: The coronavirus disease 2019 (COVID-19) pandemic has resulted in a total upending of our daily lives. While anxiety and depression were frequently reported among the general population, the pandemic's impact on patients with mental health problems remains unknown. Methods: A cross-sectional questionnaire survey involving 1,166 patients was conducted at one psychiatric hospital and one mental health clinic. Results: Symptom deterioration was reported in 23% to 34% of the patients and 9% to 20% reported increase in drug dosage. No significant differences were reported in these items among diagnostic categories. Patients with Conclusion: One third of patients reported symptom deterioration during the pandemic, which was associated with stress and daily life changes. Patients with good adaptability to environmental changes might resilient against symptom deterioration. Providing continuous support to help patients manage their daily life in this COVID-19 era may minimize the risk of symptom deterioration.
MeSH term(s)	Anxiety/epidemiology ; Anxiety/psychology ; COVID-19/epidemiology ; Cross-Sectional Studies ; Depression/epidemiology ; Depression/psychology ; Humans ; Mental Health ; Pandemics ; SARS-CoV-2
Language	English
Publishing date	2022-06-02
Publishing country	England
Document type	Journal Article
ZDB-ID	3062-4
ISSN	1741-2854 ; 0020-7640
ISSN (online)	1741-2854
ISSN	0020-7640
DOI	10.1177/00207640221097509
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Article ; Online: MONOPOL - A traveling-wave magnetic neutron spin resonator for tailoring polarized neutron beams.

Jericha, Erwin / Gösselsberger, Christoph / Abele, Hartmut / Baumgartner, Stefan / Berger, Bernhard Maximilian / Geltenbort, Peter / Hino, Masahiro / Oda, Tatsuro / Raab, Robert / Badurek, Gerald

Scientific reports

2020 Volume 10, Issue 1, Page(s) 5815

Abstract: We report on first experimental tests of a neutron magnetic spin resonator at a very cold neutron beam port of the high flux reactor at the ILL Grenoble. When placed between two supermirror neutron polarizers and operated in a pulsed traveling-wave mode ... ...

Abstract	We report on first experimental tests of a neutron magnetic spin resonator at a very cold neutron beam port of the high flux reactor at the ILL Grenoble. When placed between two supermirror neutron polarizers and operated in a pulsed traveling-wave mode it allows to decouple its time- and wavelength-resolution and can therefore be used simultaneously as electronically tunable monochromator and fast beam chopper. As a first 'real' scientific application we intend its implementation in the PERC (p roton and e lectron r adiation c hannel) project related to high-precision experiments in neutron beta decay.
Language	English
Publishing date	2020-04-02
Publishing country	England
Document type	Journal Article
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-020-62612-9
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Article ; Online: Dopamine neurons in the ventral tegmental area: an autopsy case of disorganized type of schizophrenia.

Ikemoto, Keiko / Oda, Tatsuro / Nishimura, Akiyoshi / Nishi, Katsuji

Case reports in neurological medicine

2011 Volume 2011, Page(s) 381059

Abstract: The mesolimbic dopamine (DA) system has been associated with the pathogenesis of schizophrenia. Here, we examined DA-containing neuronal structures of the ventral tegmental area (VTA) of an autopsy case of disorganized type of schizophrenia (75-year-old ... ...

Abstract	The mesolimbic dopamine (DA) system has been associated with the pathogenesis of schizophrenia. Here, we examined DA-containing neuronal structures of the ventral tegmental area (VTA) of an autopsy case of disorganized type of schizophrenia (75-year-old female), using tyrosine hydroxylase (TH) immunohistochemistry. A free floating method using 50-μm cryostat sections and three-dimensional imaging analyzer AxioVision were applied to observe the wide range structures of TH-immunoreactive (-ir) neurons. TH-ir neuronal cell bodies in the VTA of the present case had irregular shape and various size, and TH-ir neuronal processes had irregular thickness and straightened shape or curved shape having many corners, when compared to a control autopsy case with no detectable neurological and psychiatric diseases (64-year-old male). The mechanisms underlying the morphological characteristics of DA neurons of the brains with schizophrenia should be elucidated epigenetically as well as genetically.
Language	English
Publishing date	2011-09-22
Publishing country	United States
Document type	Case Reports
ZDB-ID	2629909-4
ISSN	2090-6676 ; 2090-6668
ISSN (online)	2090-6676
ISSN	2090-6668
DOI	10.1155/2011/381059
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Article ; Online: Development of a large plano-elliptical neutron-focusing supermirror with metallic substrates.

Takeda, Shin / Yamagata, Yutaka / Yamada, Norifumi L / Hino, Masahiro / Hosobata, Takuya / Guo, Jiang / Morita, Shin-Ya / Oda, Tatsuro / Furusaka, Michihiro

Optics express

2016 Volume 24, Issue 12, Page(s) 12478–12488

Abstract: Results of this study demonstrated that electroless nickel-phosphorus (NiP) plated metal substrate is an excellent material for producing large aspherical neutron-focusing supermirrors. A large plano-elliptical neutron-focusing supermirror comprising two ...

Abstract	Results of this study demonstrated that electroless nickel-phosphorus (NiP) plated metal substrate is an excellent material for producing large aspherical neutron-focusing supermirrors. A large plano-elliptical neutron-focusing supermirror comprising two metallic segments was fabricated using single-point diamond cutting, precision polishing and supermirror coating. The average surface roughness of the metallic substrates was approximately 0.3 nm rms. For evaluation, the focusing supermirror was installed at the SOFIA neutron reflectometer, showing high neutron reflectivity and giving minimal beam width of 0.34 mm in FWHM. Because of the large beam divergence accepted by the mirror, the count rate with the focusing mirror was 3.3 times higher than that obtained using conventional two-slit collimation.
Language	English
Publishing date	2016-06-13
Publishing country	United States
Document type	Journal Article
ZDB-ID	1491859-6
ISSN	1094-4087 ; 1094-4087
ISSN (online)	1094-4087
ISSN	1094-4087
DOI	10.1364/OE.24.012478
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Article ; Online: Three cases of schizophrenia for which olanzapine was effective after early acute phase.

Yamamoto, Nobutomo / Oda, Tatsuro / Inada, Toshiya

Psychiatry and clinical neurosciences

2008 Volume 62, Issue 1, Page(s) 93–97

Abstract: Aims: It clarifies a difference between early acute phase and late acute phase in medication.: Methods: The present report describes three patients with schizophrenia who presented with restlessness and excitement requiring hospitalization.: ... ...

Abstract	Aims: It clarifies a difference between early acute phase and late acute phase in medication. Methods: The present report describes three patients with schizophrenia who presented with restlessness and excitement requiring hospitalization. Results: Treatment with risperidone solution orally or parenteral haloperidol until the day after admission, followed by olanzapine, successfully improved the clinical condition of the patients. In the early stage of hospitalization, selection of fast-acting drugs that can be administered to uncooperative patients is considered preferable, focusing on rapid control of symptoms and behavioral disorders, whereas after this early stage, olanzapine is preferable for improving patient compliance in addition to stabilizing symptoms. Conclusions: Because the target symptoms differ between the early and late acute phases, the term 'acute phase' used in the broad sense should be divided into two units, each requiring a different therapeutic strategy, and independent clinical approaches should be considered in order to provide more suitable treatment.
MeSH term(s)	Acute Disease ; Adult ; Antipsychotic Agents/adverse effects ; Antipsychotic Agents/therapeutic use ; Benzodiazepines/adverse effects ; Benzodiazepines/therapeutic use ; Drug Therapy, Combination ; Female ; Follow-Up Studies ; Gambling/psychology ; Haloperidol/therapeutic use ; Humans ; Japan ; Male ; Mental Disorders/diagnosis ; Mental Disorders/drug therapy ; Mental Disorders/psychology ; Middle Aged ; Patient Admission ; Patient Compliance/psychology ; Risperidone/therapeutic use ; Schizophrenia, Disorganized/diagnosis ; Schizophrenia, Disorganized/drug therapy ; Schizophrenia, Disorganized/psychology ; Schizophrenia, Paranoid/diagnosis ; Schizophrenia, Paranoid/drug therapy ; Schizophrenia, Paranoid/psychology ; Treatment Outcome
Chemical Substances	Antipsychotic Agents ; Benzodiazepines (12794-10-4) ; Haloperidol (J6292F8L3D) ; Risperidone (L6UH7ZF8HC) ; olanzapine (N7U69T4SZR)
Language	English
Publishing date	2008-02
Publishing country	Australia
Document type	Case Reports ; Journal Article
ZDB-ID	1292906-2
ISSN	1440-1819 ; 1323-1316
ISSN (online)	1440-1819
ISSN	1323-1316
DOI	10.1111/j.1440-1819.2007.01780.x
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Article: Methamphetamine psychosis in which tardive dystonia was successfully treated with clonazepam.

Yamamoto, Nobutomo / Oda, Tatsuro / Inada, Toshiya

Psychiatry and clinical neurosciences

2007 Volume 61, Issue 6, Page(s) 691–694

Abstract: Reported herein is a case of methamphetamine psychosis in which tardive dystonia was treated successfully with clonazepam. The patient was a 69-year-old man who had taken methamphetamine habitually for approximately 40 years. Auditory hallucinations had ... ...

Abstract	Reported herein is a case of methamphetamine psychosis in which tardive dystonia was treated successfully with clonazepam. The patient was a 69-year-old man who had taken methamphetamine habitually for approximately 40 years. Auditory hallucinations had developed 25 years previously, for which haloperidol had been prescribed. Tardive dystonia had developed in December 2005. Haloperidol was withdrawn and risperidone or olanzapine alone had been administered, but neither had improved the dystonic posture. However, when clonazepam was added, a gradual improvement in the dystonic posture became evident. Tardive dystonia is currently treated on a trial-and-error basis. Accumulation of further cases similar to the present one is very important for establishing an effective treatment.
MeSH term(s)	Aged ; Anti-Dyskinesia Agents/therapeutic use ; Antipsychotic Agents/adverse effects ; Antipsychotic Agents/therapeutic use ; Benzodiazepines/adverse effects ; Benzodiazepines/therapeutic use ; Biperiden/therapeutic use ; Central Nervous System Stimulants ; Clonazepam/therapeutic use ; Dyskinesia, Drug-Induced/drug therapy ; Dyskinesia, Drug-Induced/etiology ; Hallucinations/etiology ; Hallucinations/psychology ; Haloperidol/adverse effects ; Haloperidol/therapeutic use ; Humans ; Male ; Methamphetamine ; Posture/physiology ; Psychoses, Substance-Induced/complications ; Psychoses, Substance-Induced/drug therapy ; Psychoses, Substance-Induced/psychology ; Risperidone/adverse effects ; Risperidone/therapeutic use
Chemical Substances	Anti-Dyskinesia Agents ; Antipsychotic Agents ; Central Nervous System Stimulants ; Biperiden (0FRP6G56LD) ; Benzodiazepines (12794-10-4) ; Methamphetamine (44RAL3456C) ; Clonazepam (5PE9FDE8GB) ; Haloperidol (J6292F8L3D) ; Risperidone (L6UH7ZF8HC) ; olanzapine (N7U69T4SZR)
Language	English
Publishing date	2007-12
Publishing country	Australia
Document type	Case Reports ; Journal Article
ZDB-ID	1292906-2
ISSN	1440-1819 ; 1323-1316
ISSN (online)	1440-1819
ISSN	1323-1316
DOI	10.1111/j.1440-1819.2007.01732.x
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Article ; Online: New fabrication method for an ellipsoidal neutron focusing mirror with a metal substrate.

Guo, Jiang / Takeda, Shin / Morita, Shin-ya / Hino, Masahiro / Oda, Tatsuro / Kato, Jun-ichi / Yamagata, Yutaka / Furusaka, Michihiro

Optics express

2014 Volume 22, Issue 20, Page(s) 24666–24677

Abstract: We propose an ellipsoidal neutron focusing mirror using a metal substrate made with electroless nickel-phosphorus (NiP) plated material for the first time. Electroless NiP has great advantages for realizing an ellipsoidal neutron mirror because of its ... ...

Abstract	We propose an ellipsoidal neutron focusing mirror using a metal substrate made with electroless nickel-phosphorus (NiP) plated material for the first time. Electroless NiP has great advantages for realizing an ellipsoidal neutron mirror because of its amorphous structure, good machinability and relatively large critical angle of total reflection for neutrons. We manufactured the mirror by combining ultrahigh precision cutting and fine polishing to generate high form accuracy and low surface roughness. The form accuracy of the mirror was estimated to be 5.3 μm P-V and 0.8 μm P-V for the minor-axis and major-axis direction respectively, while the surface roughness was reduced to 0.2 nm rms. The effect of form error on focusing spot size was evaluated by using a laser beam and the focusing performance of the mirror was verified by neutron experiments.
Language	English
Publishing date	2014-10-06
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	1491859-6
ISSN	1094-4087 ; 1094-4087
ISSN (online)	1094-4087
ISSN	1094-4087
DOI	10.1364/OE.22.024666
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Article: 'Awakenings' in demented patients.

Hori, Koji / Oda, Tatsuro / Tominaga, Itaru / Inada, Toshiya

Psychiatry and clinical neurosciences

2003 Volume 57, Issue 2, Page(s) 237

MeSH term(s)	Aged ; Alzheimer Disease/drug therapy ; Alzheimer Disease/psychology ; Antipsychotic Agents/adverse effects ; Antipsychotic Agents/therapeutic use ; Awareness/drug effects ; Cholinesterase Inhibitors/adverse effects ; Cholinesterase Inhibitors/therapeutic use ; Delusions/drug therapy ; Delusions/psychology ; Depressive Disorder/chemically induced ; Depressive Disorder/psychology ; Female ; Humans ; Indans/adverse effects ; Indans/therapeutic use ; Piperidines/adverse effects ; Piperidines/therapeutic use ; Risperidone/adverse effects ; Risperidone/therapeutic use ; Schizophrenia/drug therapy ; Schizophrenic Psychology ; Sick Role
Chemical Substances	Antipsychotic Agents ; Cholinesterase Inhibitors ; Indans ; Piperidines ; donepezil (8SSC91326P) ; Risperidone (L6UH7ZF8HC)
Language	English
Publishing date	2003-04
Publishing country	Australia
Document type	Case Reports ; Letter
ZDB-ID	1292906-2
ISSN	1440-1819 ; 1323-1316
ISSN (online)	1440-1819
ISSN	1323-1316
DOI	10.1046/j.1440-1819.2003.01108.x
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