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  1. Article ; Online: Stress Chain Analysis for an ABA Triblock Copolymer Using Principal Component Scores.

    Hosoya, Ryohei / Morita, Hiroshi

    The journal of physical chemistry. B

    2023  Volume 127, Issue 31, Page(s) 7035–7047

    Abstract: Researchers characterize the mechanical properties of ABA triblock copolymers by structures such as chain conformation. During elongation, bridge chains are stretched and act as a stress chain. Some loop chains also act as a stress chain because of the ... ...

    Abstract Researchers characterize the mechanical properties of ABA triblock copolymers by structures such as chain conformation. During elongation, bridge chains are stretched and act as a stress chain. Some loop chains also act as a stress chain because of the transmission of stress through an entanglement of loop chains. The stress chain, including the entangled loop chains, in an ABA triblock copolymer that exhibits a body-centered cubic structure was analyzed by principal component analysis (PCA), using the physical data for the B block obtained by coarse-grained molecular dynamics simulations. Local deformation of the A domains caused by the stress chains was also analyzed by PCA of the A block. The dynamics of the stress chain strongly corresponded to the recombination of the A domains; shrinkage because of domain breakage, replacement of stress chains, and biased stress distribution as well as its time dependence were observed.
    Language English
    Publishing date 2023-07-28
    Publishing country United States
    Document type Journal Article
    ISSN 1520-5207
    ISSN (online) 1520-5207
    DOI 10.1021/acs.jpcb.3c01846
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  2. Article ; Online: The Mechanism of Brugada Syndrome: Is it Induced Only by Conduction Disturbance?

    Morita, Hiroshi / Nagase, Satoshi

    JACC. Clinical electrophysiology

    2023  Volume 9, Issue 11, Page(s) 2356

    MeSH term(s) Humans ; Brugada Syndrome/diagnosis ; Heart Conduction System ; Cardiac Conduction System Disease
    Language English
    Publishing date 2023-11-20
    Publishing country United States
    Document type Letter ; Comment
    ZDB-ID 2846739-5
    ISSN 2405-5018 ; 2405-500X ; 2405-500X
    ISSN (online) 2405-5018 ; 2405-500X
    ISSN 2405-500X
    DOI 10.1016/j.jacep.2023.08.038
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  3. Article ; Online: Hot topics in Brugada syndrome.

    Morita, Hiroshi

    Heart rhythm

    2018  Volume 15, Issue 9, Page(s) 1402–1403

    MeSH term(s) Brugada Syndrome ; Fever ; Humans ; Surveys and Questionnaires
    Language English
    Publishing date 2018-04-18
    Publishing country United States
    Document type Editorial ; Comment
    ZDB-ID 2229357-7
    ISSN 1556-3871 ; 1547-5271
    ISSN (online) 1556-3871
    ISSN 1547-5271
    DOI 10.1016/j.hrthm.2018.04.018
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 6278: Show issues Location:
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    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  4. Article ; Online: Gender difference in Brugada syndrome: Mirror images of long QT syndrome?

    Morita, Hiroshi

    Heart rhythm

    2018  Volume 16, Issue 2, Page(s) 268–269

    MeSH term(s) Brugada Syndrome ; Death, Sudden, Cardiac ; Female ; Follow-Up Studies ; Humans ; Long QT Syndrome ; Sex Factors
    Language English
    Publishing date 2018-09-11
    Publishing country United States
    Document type Editorial ; Comment
    ZDB-ID 2229357-7
    ISSN 1556-3871 ; 1547-5271
    ISSN (online) 1556-3871
    ISSN 1547-5271
    DOI 10.1016/j.hrthm.2018.09.004
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 6278: Show issues Location:
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  5. Article ; Online: They Are Not Monozygotic Twins　- Long QT Syndrome Type 1 (LQT1) and Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT).

    Morita, Hiroshi

    Circulation journal : official journal of the Japanese Circulation Society

    2018  Volume 82, Issue 9, Page(s) 2246–2247

    MeSH term(s) Diagnosis, Differential ; Humans ; Long QT Syndrome ; Romano-Ward Syndrome ; Tachycardia, Ventricular
    Language English
    Publishing date 2018-08-07
    Publishing country Japan
    Document type Editorial ; Comment
    ZDB-ID 2068090-9
    ISSN 1347-4820 ; 1346-9843
    ISSN (online) 1347-4820
    ISSN 1346-9843
    DOI 10.1253/circj.CJ-18-0810
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    Ui IV Zs.74: Show issues Location:
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  6. Article ; Online: Editorial commentary: To pace, or not to pace in vasovagal syncope?

    Morita, Hiroshi

    Trends in cardiovascular medicine

    2018  Volume 28, Issue 8, Page(s) 539–540

    MeSH term(s) Cardiac Pacing, Artificial ; Heart Rate ; Humans ; Syncope, Vasovagal
    Language English
    Publishing date 2018-06-19
    Publishing country United States
    Document type Editorial ; Comment
    ZDB-ID 1097434-9
    ISSN 1873-2615 ; 1050-1738
    ISSN (online) 1873-2615
    ISSN 1050-1738
    DOI 10.1016/j.tcm.2018.06.005
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    Zs.A 3419: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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  7. Article ; Online: Bioluminescence of Aliivibrio Fischeri in Artificial Seawater and Its Application in Fungicide Sensing.

    Kuwahara, Hitomi / Morita, Hiroshi

    Methods in molecular biology (Clifton, N.J.)

    2022  Volume 2524, Page(s) 183–195

    Abstract: It has been well investigated that the bioluminescence (BL) intensity of marine luminous bacteria is enhanced depending on cell density. In contrast, the correlation between seawater components and BL intensity is still a challenging subject to be ... ...

    Abstract It has been well investigated that the bioluminescence (BL) intensity of marine luminous bacteria is enhanced depending on cell density. In contrast, the correlation between seawater components and BL intensity is still a challenging subject to be addressed. In addition, the marine luminous bacteria rapidly lose the BL intensity when exposed to toxic substances, but unclear to fungicides. Herein, we introduce a new approach to investigate (i) the correlation between the components of artificial seawater (ASW) and BL intensity and (ii) the corresponding protocol to determine the susceptibility of marine luminous bacteria to fungicide using A. fischeri. The examples show that (i) ionic ingredients (K
    MeSH term(s) Aliivibrio fischeri ; Fungicides, Industrial/pharmacology ; Immunologic Tests ; Luminescent Measurements/methods ; Seawater/microbiology
    Chemical Substances Fungicides, Industrial
    Language English
    Publishing date 2022-07-11
    Publishing country United States
    Document type Journal Article
    ISSN 1940-6029
    ISSN (online) 1940-6029
    DOI 10.1007/978-1-0716-2453-1_14
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  8. Article ; Online: An efficient energy planning model optimizing cost, emission, and social impact with different carbon tax scenarios

    Ratanakuakangwan, Sudlop / Morita, Hiroshi

    Applied Energy. 2022 Nov., v. 325 p.119792-

    2022  

    Abstract: This study proposes a modified energy planning model that considers a broad range of future uncertainties. Modifications to hybrid stochastic robust optimization and robust optimization methodology allow for the introduction of multi-objective functions ... ...

    Abstract This study proposes a modified energy planning model that considers a broad range of future uncertainties. Modifications to hybrid stochastic robust optimization and robust optimization methodology allow for the introduction of multi-objective functions that reflect the various dimensions of energy planning including cost, emission, and social impact. A lexicographical and weighted-sum type multi-objective function are used in formulating the proposed optimization model. Changing the priorities of the objective functions generates different energy policies, which are then compared. Data envelopment analysis is applied to measure the energy efficiency of each optimal energy policy produced by the energy planning model. Energy efficiency is defined as the ability to satisfactorily address five main aspects—cost, emissions, social impact, employment, and security. An updated power development plan for Thailand is used as an illustrative case study. The empirical analysis indicates that a policy prioritizing the environment first, followed by social impact and cost, is the most efficient policy among the five alternatives considered, with an average efficiency score of 0.9988. Sensitivity analysis involving various carbon tax scenarios is used to establish the importance of weight selection in the weighted-sum method. Specifically, the empirical case study reveals that when the weighted-sum method is used, increasing the carbon tax increases the relative policy efficiency score. Results from the case study offer quantitative support for policy makers seeking to devise an efficient energy policy that meets extensive requirements while still dealing with the bounds of uncertain future projections.
    Keywords carbon markets ; case studies ; empirical research ; employment ; energy efficiency ; energy policy ; models ; social impact ; Thailand ; Energy planning ; Multi-objective optimization ; Weighted-sum method ; Lexicographical method ; Carbon tax ; Data envelopment analysis ; Efficiency measurement
    Language English
    Dates of publication 2022-11
    Publishing place Elsevier Ltd
    Document type Article ; Online
    ZDB-ID 2000772-3
    ISSN 0306-2619
    ISSN 0306-2619
    DOI 10.1016/j.apenergy.2022.119792
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  9. Article: Multi-aspect efficiency measurement of multi-objective energy planning model dealing with uncertainties

    Ratanakuakangwan, Sudlop / Morita, Hiroshi

    Applied energy. 2022 May 01, v. 313

    2022  

    Abstract: In this study on energy planning, a combination of multi-objective optimization and efficiency measurement is proposed as a means for determining an efficient energy mix that considers the multi-dimensional nature of energy planning and its associated ... ...

    Abstract In this study on energy planning, a combination of multi-objective optimization and efficiency measurement is proposed as a means for determining an efficient energy mix that considers the multi-dimensional nature of energy planning and its associated uncertainties. Various multi-objective functions are appended to the proposed optimization model to meet requirements related to energy need, cost, environmental impact, security, social impact, and social benefit. A slacks-based measure methodology is applied to determine the best energy mix from the alternatives produced by the appended model. The energy efficiency of each energy mix is measured from the linear combination of its defined inputs and outputs. The outputs to be maximized include total generated electricity, direct employment, and percentage of generated electricity from renewable energy, while the inputs to be minimized consist of total economic cost, carbon dioxide emission, total social cost, and power-plant-type dependence score. To demonstrate the applicability of the proposed model, a case study of Thailand’s power development plan is featured. Various types of power plants, both fossil fuel-fired and renewable energy-driven are considered in the empirical analysis. The results show that the proposed method can contribute significant improvements, including a reduction in total emissions and in the power-plant-type dependence score (by 31.41% and 25.59%, respectively). It also increases total employment and the proportion of generated electricity from renewable energy plants (by 25.73% and 47.39%, respectively), with marginal tradeoffs of total costs and total social costs (which increase by 8.94% and 13.89%, respectively). Quantitative results from the model could help policy makers efficiently determine an appropriate energy policy—one that optimizes all the various aspects, under a given set of constraints and scenarios of uncertainty.
    Keywords carbon dioxide ; case studies ; economic costs ; electricity ; empirical research ; employment ; energy efficiency ; environmental impact ; fossil fuels ; issues and policy ; models ; renewable energy sources ; social benefit ; social impact ; uncertainty ; Thailand
    Language English
    Dates of publication 2022-0501
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 2000772-3
    ISSN 0306-2619
    ISSN 0306-2619
    DOI 10.1016/j.apenergy.2022.118883
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  10. Article ; Online: Simulation Study of the Effect of Nanoporous Surfaces on the Adhesion Properties of Cross-Linked Polymer Networks.

    Miura, Toshiaki / Funada, Maki / Shimoi, Yukihiro / Morita, Hiroshi

    The journal of physical chemistry. B

    2023  Volume 127, Issue 39, Page(s) 8496–8508

    Abstract: We have investigated the effect of surface nanopores on the adhesion behavior between cross-linked polymer networks and metal substrates by molecular dynamics simulations. By increasing the cross-linking ratio of the polymer network, the fracture ... ...

    Abstract We have investigated the effect of surface nanopores on the adhesion behavior between cross-linked polymer networks and metal substrates by molecular dynamics simulations. By increasing the cross-linking ratio of the polymer network, the fracture behavior in tensile mode changed from cohesive failure to interfacial failure. In the case of polymers without cross-links, the breaking strengths were almost the same for systems with flat and porous metal substrates. Conversely, in the case of cross-linked polymer networks, the tensile behavior for the porous metal substrates depended on the cross-linking ratio and structure of the polymer chains. For polymer networks consisting of long polymer chains, the force curves in extension mode before the yield points were almost the same for the systems regardless of the surface roughness caused by nanopores. Meanwhile, for highly cross-linked resin networks consisting of short rigid molecules, the yielding strength of the porous metal surfaces showed slightly higher values than that of the flat metal surfaces. The simulation results revealed that the adhesion behavior between cross-linked polymer networks and rough metal surfaces is related not only to the interfacial area but also to the detailed networking topology of the polymers.
    Language English
    Publishing date 2023-09-21
    Publishing country United States
    Document type Journal Article
    ISSN 1520-5207
    ISSN (online) 1520-5207
    DOI 10.1021/acs.jpcb.3c03310
    Database MEDical Literature Analysis and Retrieval System OnLINE

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