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Article ; Online: Subjective recovery accounts of Japanese female patients suffering from alcohol use disorder. A phenomenological study.

Yamashita, Ayako / Yoshioka, Shin-Ichi

2022 Volume 58, Issue 4, Page(s) 2820–2827

Abstract: Purpose: This study aimed to examine the subjective recovery accounts of Japanese female patients with alcohol use disorder (AUD) and the factors that affect their recovery.: Design and methods: This qualitative study used a phenomenological design. ... ...

Abstract	Purpose: This study aimed to examine the subjective recovery accounts of Japanese female patients with alcohol use disorder (AUD) and the factors that affect their recovery. Design and methods: This qualitative study used a phenomenological design. A focus group with 10 Japanese participants was conducted. Findings: Five theme clusters emerged: drinking to forget unpleasant feelings, fighting compulsive cravings with craving, unhealed wounds from past traumatic experiences, encounters with role models in self-help groups, and changing one's mindset to a proactive pursuit of happiness. Practice implications: To support the recovery of women with AUD, psychiatric nurses should help them improve their family relationships, find recovery models, and proactively provide them with trauma-informed care.
MeSH term(s)	Humans ; Female ; Alcoholism ; Japan ; Alcohol Drinking/psychology ; Craving ; Psychiatric Nursing
Language	English
Publishing date	2022-06-21
Publishing country	United States
Document type	Journal Article
ZDB-ID	391097-0
ISSN	1744-6163 ; 0031-5990
ISSN (online)	1744-6163
ISSN	0031-5990
DOI	10.1111/ppc.13129
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Article ; Online: Size Uncertainty in Individual Nanoparticles Measured by Single Particle Inductively Coupled Plasma Mass Spectrometry

Shuji Yamashita / Shin-ichi Miyashita / Takafumi Hirata

Nanomaterials, Vol 13, Iss 1958, p

2023 Volume 1958

Abstract: Single particle inductively coupled plasma mass spectrometry has been used for size measurements of individual nanoparticles (NPs). Here, uncertainties in size analysis based upon two calibration approaches were evaluated: (i) the use of particle size ... ...

Abstract	Single particle inductively coupled plasma mass spectrometry has been used for size measurements of individual nanoparticles (NPs). Here, uncertainties in size analysis based upon two calibration approaches were evaluated: (i) the use of particle size standard and (ii) the use of ion standard solution. For particle size standard approach, the source of uncertainty to determine the target NP diameter was related to the variation in the signal intensities of both target NPs and particle size standard, and the size distribution of the particle size standard. The relative uncertainties of the 50 nm silver NP as the target were 15.0%, 9.9%, and 10.8% when particle size standards of 30 nm, 60 nm, and 100 nm silver NPs were used, respectively. As for the ion standard solution approach, the sources of uncertainty were the concentration of working standard solution, sample flow rate, transport efficiency, slope of calibration curve, and variation in the signal intensity of the ion standard solution and of the target NPs. The relative uncertainties for the 50 nm silver NP were 18.5% for 1 ng/g, 7.6% for 10 ng/g, and 4.7% for 100 ng/g solutions. The lower uncertainty obtained with a high concentration working standard solution is recommended to improve precision on particle size determinations by spICP-MS.
Keywords	nanoparticle ; single particle ICP-MS ; size analysis ; uncertainty ; Chemistry ; QD1-999
Subject code	620
Language	English
Publishing date	2023-06-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
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Article: Size Uncertainty in Individual Nanoparticles Measured by Single Particle Inductively Coupled Plasma Mass Spectrometry.

Yamashita, Shuji / Miyashita, Shin-Ichi / Hirata, Takafumi

Nanomaterials (Basel, Switzerland)

2023 Volume 13, Issue 13

Abstract	Single particle inductively coupled plasma mass spectrometry has been used for size measurements of individual nanoparticles (NPs). Here, uncertainties in size analysis based upon two calibration approaches were evaluated: (i) the use of particle size standard and (ii) the use of ion standard solution. For particle size standard approach, the source of uncertainty to determine the target NP diameter was related to the variation in the signal intensities of both target NPs and particle size standard, and the size distribution of the particle size standard. The relative uncertainties of the 50 nm silver NP as the target were 15.0%, 9.9%, and 10.8% when particle size standards of 30 nm, 60 nm, and 100 nm silver NPs were used, respectively. As for the ion standard solution approach, the sources of uncertainty were the concentration of working standard solution, sample flow rate, transport efficiency, slope of calibration curve, and variation in the signal intensity of the ion standard solution and of the target NPs. The relative uncertainties for the 50 nm silver NP were 18.5% for 1 ng/g, 7.6% for 10 ng/g, and 4.7% for 100 ng/g solutions. The lower uncertainty obtained with a high concentration working standard solution is recommended to improve precision on particle size determinations by spICP-MS.
Language	English
Publishing date	2023-06-28
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2662255-5
ISSN	2079-4991
ISSN	2079-4991
DOI	10.3390/nano13131958
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Article ; Online: Operando time-resolved soft x-ray absorption spectroscopy for photoexcitation processes of metal complexes in solutions.

Kumaki, Fumitoshi / Nagasaka, Masanari / Fukaya, Ryo / Okano, Yasuaki / Yamashita, Shohei / Nozawa, Shunsuke / Adachi, Shin-Ichi / Adachi, Jun-Ichi

The Journal of chemical physics

2023 Volume 158, Issue 10, Page(s) 104201

Abstract: Operando time-resolved soft x-ray absorption spectroscopy (TR-SXAS) is an effective method to reveal the photochemical processes of metal complexes in solutions. In this study, we have developed the TR-SXAS measurement system for observing various ... ...

Abstract	Operando time-resolved soft x-ray absorption spectroscopy (TR-SXAS) is an effective method to reveal the photochemical processes of metal complexes in solutions. In this study, we have developed the TR-SXAS measurement system for observing various photochemical reactions in solutions by the combination of laser pump pulses with soft x-ray probe pulses from the synchrotron radiation. For the evaluation of the developed TR-SXAS system, we have measured nitrogen K-edge x-ray absorption spectroscopy (XAS) spectra of aqueous iron phenanthroline solutions during a photoinduced spin transition process. The decay process of the high spin state to the low spin state in the iron complex has been obtained from the ligand side by N K-edge XAS, and the time constant is close to that obtained from the central metal side by time-resolved Fe K-edge XAS in the previous studies.
Language	English
Publishing date	2023-03-15
Publishing country	United States
Document type	Journal Article
ZDB-ID	3113-6
ISSN	1089-7690 ; 0021-9606
ISSN (online)	1089-7690
ISSN	0021-9606
DOI	10.1063/5.0129814
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Article ; Online: Resilience and related factors as predictors of relapse risk in patients with substance use disorder

Ayako Yamashita / Shin-ichi Yoshioka / Yuki Yajima

Substance Abuse Treatment, Prevention, and Policy, Vol 16, Iss 1, Pp 1-

a cross-sectional study

2021 Volume 9

Abstract: Abstract Background Resilience, referring to the inherent ability to naturally recover in the face of adverse conditions, is an essential concept in discussions of substance use disorder (SUD) recovery. This study’s objective was to shed light on ... ...

Abstract	Abstract Background Resilience, referring to the inherent ability to naturally recover in the face of adverse conditions, is an essential concept in discussions of substance use disorder (SUD) recovery. This study’s objective was to shed light on resilience and related factors that affect relapse risk in patients with SUDs. Method Fifty-two patients with SUDs were given a self-administrated questionnaire from February to April 2015 consisting of question items for sociodemographic characteristics, relapse risk (Stimulant Relapse Risk Scale), and resilience (Bidimensional Resilience Scale). Scale scores were tested for associations with subject attributes, after which resilience’s effects on relapse risk were analyzed using correlation and multiple regression (forced-entry) analyses. Results Stimulants were the most common substance related to SUD (n = 26, 21.7%; multiple answers). Bivariate correlation showed that higher acquired resilience was significantly associated with a lower relapse risk (r = − 0.314, P < 0.01). Reduced relapse risk was significantly associated with current employment (Std. β = − 0.446, P < 0.05). Conclusion Our findings demonstrate the necessity of recovery support to enhance acquired resistance in patients with SUDs to prevent relapses. Reinforcing employment support services and encouraging patients to continue treatment were suggested as potentially effective measures to enhance resilience in individuals with SUDs on their road to recovery.
Keywords	Resilience ; Recurrence ; Substance use disorder ; Employment ; Recovery ; Public aspects of medicine ; RA1-1270 ; Social pathology. Social and public welfare. Criminology ; HV1-9960
Subject code	610
Language	English
Publishing date	2021-05-01T00:00:00Z
Publisher	BMC
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Resilience and related factors as predictors of relapse risk in patients with substance use disorder: a cross-sectional study.

Yamashita, Ayako / Yoshioka, Shin-Ichi / Yajima, Yuki

Substance abuse treatment, prevention, and policy

2021 Volume 16, Issue 1, Page(s) 40

Abstract: Background: Resilience, referring to the inherent ability to naturally recover in the face of adverse conditions, is an essential concept in discussions of substance use disorder (SUD) recovery. This study's objective was to shed light on resilience and ...

Abstract	Background: Resilience, referring to the inherent ability to naturally recover in the face of adverse conditions, is an essential concept in discussions of substance use disorder (SUD) recovery. This study's objective was to shed light on resilience and related factors that affect relapse risk in patients with SUDs. Method: Fifty-two patients with SUDs were given a self-administrated questionnaire from February to April 2015 consisting of question items for sociodemographic characteristics, relapse risk (Stimulant Relapse Risk Scale), and resilience (Bidimensional Resilience Scale). Scale scores were tested for associations with subject attributes, after which resilience's effects on relapse risk were analyzed using correlation and multiple regression (forced-entry) analyses. Results: Stimulants were the most common substance related to SUD (n = 26, 21.7%; multiple answers). Bivariate correlation showed that higher acquired resilience was significantly associated with a lower relapse risk (r = - 0.314, P < 0.01). Reduced relapse risk was significantly associated with current employment (Std. β = - 0.446, P < 0.05). Conclusion: Our findings demonstrate the necessity of recovery support to enhance acquired resistance in patients with SUDs to prevent relapses. Reinforcing employment support services and encouraging patients to continue treatment were suggested as potentially effective measures to enhance resilience in individuals with SUDs on their road to recovery.
MeSH term(s)	Cross-Sectional Studies ; Humans ; Recurrence ; Substance-Related Disorders ; Surveys and Questionnaires
Language	English
Publishing date	2021-05-04
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1747-597X
ISSN (online)	1747-597X
DOI	10.1186/s13011-021-00377-8
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Article ; Online: Dynamics of microplastic transport and accumulation in a rural coastal area: Insights from the Otsuchi Bay, a small ria in Sanriku, Japan

Wang, Yehao / Yamashita, Rei / Matsumura, Yoshimasa / Itō, Shin'ichi / Komatsu, Kosei

Regional Studies in Marine Science. , p.102964-

2023 , Page(s) 102964–

Abstract: Microplastic (MP) pollution in coastal areas has received increasing attention recently. However, studies focused on MP pollution in rural coastal areas remain limited compared to those in metropolitan coastal areas. This study observed MP particles ... ...

Abstract	Microplastic (MP) pollution in coastal areas has received increasing attention recently. However, studies focused on MP pollution in rural coastal areas remain limited compared to those in metropolitan coastal areas. This study observed MP particles accumulated on the seafloor of the Otsuchi Bay, a small ria bay located on the Pacific coast, Sanriku, Japan. The MP concentrations in the sediment ranged from 2.6 ± 0.3 to 13.6 ± 9.8 pcs g−1 dry weight (DW) and 2.6 ± 1.4 to 5.1 ± 1.2 pcs g−1 DW in March and September 2021, respectively. No significant difference in MP concentrations was detected between March and September. The MP concentration in the Otsuchi Bay was lower than that observed in other highly populated coastal areas but was relatively high considering the population size of the catchment area. MP particles smaller than 1000μm were the most prevalent, accounting for 96.3% of all MP samples. MP size at the bay head was smaller than that at the central bay for high-density MPs; however, the relationship was reversed for low-density MPs. Analysis of the MP distribution pattern using a two-dimensional numerical model suggests that the horizontal distribution of MPs in the Otsuchi Bay depends on the size and density of MP particles. It is also strongly influenced by both the tidal oscillating currents characteristic to the bay and vertical terminal velocity of MP particles. Sedimented MP distributions in a bay with a small catchment population with limited MP sources shed light on our understanding of MP transport dynamics.
Keywords	Japan ; coasts ; marine science ; mathematical models ; microplastics ; pollution ; population size ; sediments ; terminal velocity ; watersheds ; Microplastic ; Seabed sediment ; Polymer type ; Rural coastal area ; Particle tracking model
Language	English
Publishing place	Elsevier B.V.
Document type	Article ; Online
Note	Pre-press version ; Use and reproduction
ISSN	2352-4855
DOI	10.1016/j.rsma.2023.102964
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Genetic background in late-onset sensorineural hearing loss patients.

Uehara, Natsumi / Fujita, Takeshi / Yamashita, Daisuke / Yokoi, Jun / Katsunuma, Sayaka / Kakigi, Akinobu / Nishio, Shin-Ya / Nibu, Ken-Ichi / Usami, Shin-Ichi

Journal of human genetics

2021 Volume 67, Issue 4, Page(s) 223–230

Abstract: Genetic testing for congenital or early-onset hearing loss patients has become a common diagnostic option in many countries. On the other hand, there are few late-onset hearing loss patients receiving genetic testing, as late-onset hearing loss is ... ...

Abstract	Genetic testing for congenital or early-onset hearing loss patients has become a common diagnostic option in many countries. On the other hand, there are few late-onset hearing loss patients receiving genetic testing, as late-onset hearing loss is believed to be a complex disorder and the diagnostic rate for genetic testing in late-onset patients is lower than that for the congenital cases. To date, the etiology of late-onset hearing loss is largely unknown. In the present study, we recruited 48 unrelated Japanese patients with late-onset bilateral sensorineural hearing loss, and performed genetic analysis of 63 known deafness gene using massively parallel DNA sequencing. As a result, we identified 25 possibly causative variants in 29 patients (60.4%). The present results clearly indicated that various genes are involved in late-onset hearing loss and a significant portion of cases of late-onset hearing loss is due to genetic causes. In addition, we identified two interesting cases for whom we could expand the phenotypic description. One case with a novel MYO7A variant showed a milder phenotype with progressive hearing loss and late-onset retinitis pigmentosa. The other case presented with Stickler syndrome with a mild phenotype caused by a homozygous frameshift COL9A3 variant. In conclusion, comprehensive genetic testing for late-onset hearing loss patients is necessary to obtain accurate diagnosis and to provide more appropriate treatment for these patients.
MeSH term(s)	Genetic Background ; Hearing Loss/genetics ; Hearing Loss, Sensorineural/genetics ; Humans ; Pedigree ; Phenotype
Language	English
Publishing date	2021-11-26
Publishing country	England
Document type	Journal Article
ZDB-ID	1425192-9
ISSN	1435-232X ; 1434-5161
ISSN (online)	1435-232X
ISSN	1434-5161
DOI	10.1038/s10038-021-00990-2
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Article: Resilience Associated with Self-Disclosure and Relapse Risks in Patients with Alcohol Use Disorders.

Yamashita, Ayako / Yoshioka, Shin-Ichi

Yonago acta medica

2016 Volume 59, Issue 4, Page(s) 279–287

Abstract: Background: The aim of this study was to clarify the self-disclosure and risks of relapse associated with promoting resilience of patients with alcohol use disorders (AUD) and participating in self-help groups.: Methods: An anonymous, self- ... ...

Abstract	Background: The aim of this study was to clarify the self-disclosure and risks of relapse associated with promoting resilience of patients with alcohol use disorders (AUD) and participating in self-help groups. Methods: An anonymous, self-administered questionnaire survey was administered to 48 patients with AUD and participating in self-help groups; this questionnaire consisted of basic attributes, a bidimensional resilience scale to assess both innate and acquired resilience factors, a scale to assess depth of self-disclosure, and a scale assessing relapse risks. We conducted an evaluation by dividing the respondents into a high group and low group based on their median values for both innate and acquired resilience. Results: Innate/acquired resilience had a mutually reinforcing relationship, and, compared with the low resilience group, the high resilience group had significantly reduced risks for relapses and resulted in deeper self-disclosure. Conclusion: Patients with high resilience had lower risk of alcohol relapse and deeper self-disclosure. The results suggest that one way of supporting patients with AUD in recovery is assisting them in building personal relationships with others and in deepening self-disclosure in a setting where they can relax, thus promoting their natural ability to recover.
Language	English
Publishing date	2016-12
Publishing country	Japan
Document type	Journal Article
ZDB-ID	840719-8
ISSN	1346-8049 ; 0513-5710
ISSN (online)	1346-8049
ISSN	0513-5710
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Article ; Online: Precise aftershock distribution of the 2019 Yamagata-oki earthquake using newly developed simple anchored-buoy ocean bottom seismometers and land seismic stations

Masanao Shinohara / Shin’ichi Sakai / Tomomi Okada / Hiroshi Sato / Yusuke Yamashita / Ryota Hino / Kimihiro Mochizuki / Takeshi Akuhara

Earth, Planets and Space, Vol 74, Iss 1, Pp 1-

2022 Volume 15

Abstract: Abstract An earthquake with a magnitude of 6.7 occurred in the Japan Sea off Yamagata on June 18, 2019. The mainshock had a source mechanism of reverse-fault type with a compression axis of WNW–ESE direction. Since the source area is positioned in a ... ...

Abstract	Abstract An earthquake with a magnitude of 6.7 occurred in the Japan Sea off Yamagata on June 18, 2019. The mainshock had a source mechanism of reverse-fault type with a compression axis of WNW–ESE direction. Since the source area is positioned in a marine area, seafloor seismic observation is indispensable for obtaining the precise distribution of the aftershocks. The source area has a water depth of less than 100 m, and fishing activity is high. It is difficult to perform aftershock observation using ordinary free-fall pop-up type ocean bottom seismometers (OBSs). We developed a simple anchored-buoy type OBS for shallow water depths and performed the seafloor observation using this. The seafloor seismic unit had three-component seismometers and a hydrophone. Two orthogonal tiltmeters and an azimuth meter monitored the attitude of the package. For seismic observation at shallow water depth, we concluded that an anchored-buoy system would have the advantage of avoiding accidents. Our anchored-buoy OBS was based on a system used in fisheries. We deployed three anchored-buoy OBSs in the source region where the water depth was approximately 80 m on July 5, 2019, and two of the OBSs were recovered on July 13, 2019. Temporary land seismic stations with a three-component seismometer were also installed. The arrival times of P- and S-waves were read from the records of the OBSs and land stations, and we located hypocenters with correction for travel time. A preliminary location was performed using absolute travel time and final hypocenters were obtained using the double-difference method. The aftershocks were distributed at a depth range of 2.5 km to 10 km and along a plane dipping to the southeast. The plane formed by the aftershocks is consistent with the focal mechanism of the mainshock. The activity region of the aftershocks was positioned in the upper part of the upper crust. Focal mechanisms were estimated using the polarity of the first arrivals. Although many aftershocks had a reverse-fault focal mechanism ...
Keywords	2019 Yamagata-oki earthquake ; Aftershock observation ; Anchored-buoy system ; Ocean bottom seismometer ; Shallow water seismic observation ; Geography. Anthropology. Recreation ; G ; Geodesy ; QB275-343 ; Geology ; QE1-996.5
Subject code	551
Language	English
Publishing date	2022-01-01T00:00:00Z
Publisher	SpringerOpen
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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