2,970 research outputs found

    Cooperation and Game Theory in International Relations

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    The Effects of Ethanol on the Developing Serotonergic Neurons

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    The Rhetoric of "Amateur Writing" and "Remodeled Ver sion" in the works of Kaisei Lee : Sono zenya and Shishano nokoshitamono

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    一、 はじめにー年譜の改変と忘れられた〈処女作〉ー 小説「その前夜」は在日朝鮮人作家李恢成の実質的な〈処女作〉である。しかしその事実に気づくことは容易ではない。なぜなら、現在の読者が「その前夜」の存在について知るチャンスは非常に限られているからだ。 ..

    Sink-Independent Model in Wireless Sensor Networks

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    Wireless sensor networks generally support users that send queries and receive data via the sinks. The user and the sinks are mostly connected to each other by infrastructure networks. The users, however, should receive the data from the sinks through multi-hop communications between disseminating sensor nodes if such users move into the sensor networks without infrastructure networks. To support mobile users, previous work has studied various user mobility models. Nevertheless, such approaches are not compatible with the existing routing algorithms, and it is difficult for the mobile users to gather data efficiently due to their mobility. To improve the shortcomings, we propose a view of mobility for wireless sensor networks and propose a model to support a user mobility that is independent of sinks

    Data for Korean college students' anxious and avoidant attachment, self-compassion, anxiety and depression

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    The data presented in this article are from 473 Korean college students׳ responses to an online survey consisting of measures of anxious and avoidant attachment (the Experiences in Close Relationships-Revised Scale: ECR-R), self-compassion (Neff׳s Self-Compassion Scale: SCS), depression (the Center for Epidemiological Studies-Depression Scale: CES-D) and anxiety (the State-Trait Anxiety Inventory-the Trait Anxiety Scale: STAT-T). Each variable was measured by a Korean version of the instrument. Participants were recruited from three universities in South Korea: 288 were men and 185 were women; 199 were undergraduate and 273 were graduate students. The online program used to collect the data prompted for but did not require responses to items; 26 surveys were not completed, and data from these surveys were not included in the dataset. Major findings based on the data presented here are reported in the article “Insecure attachment and emotional distress: Fear of self-compassion and self-compassion as mediators” (Joeng et al., 2017) [1]. The data, an SPSS file, are included as supplementary material.111Yscopu

    Effects on Growth and Osteogenic Differentiation of Mesenchymal Stem Cells by the Zinc-Added Sol-Gel Bioactive Glass Granules

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    Responses of mesenchymal stem cells (MSCs) cultured with zinc-added (2 and 5%) bioactive glass granules were evaluated in terms of cell growth and osteogenic differentiation. MSCs were cultured with different quantities (3, 10 and 30) of glass granules for up to 21 days in the osteogenic medium. Cell growth was stimulated by a small quantity of glasses, particularly those that contained zinc. Osteogenic differentiation, as assessed by alkaline phosphatase activity (ALP) activity, was significantly enhanced by the glasses, particularly with large quantities of glass and for prolonged culturing. Expression of bone-sialo protein (BSP) was significantly up-regulated around the bioactive glass granules. Moreover, the zinc addition significantly altered the ALP and BSP depending on the culture time and glass quantity. Cellular mineralization was improved in all glass samples, and particularly in the 2% zinc-glass. Taken together, the zinc addition to bioactive glass induced the MSCs growth and their osteogenic differentiation, at least to the level of zinc-free glass, and with even higher level observed depending on the quantity and culture time. These findings indicate that the zinc addition to bioactive glass may be useful in development of biomaterials for the stimulation of adult stem cell in bone tissue engineering
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