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296 results on '"Kizaki, H."'

1. Influence of Participation in a Medical-Themed Science Café on Patient Activation

Author

Okazawa Y, Kizaki H, Suzuki N, Osaka W, and Hori S

Subjects
self-management, psychological measures, patient community, supportive environment, Medicine (General), R5-920
Abstract

Yuta Okazawa,1 Hayato Kizaki,1 Nobuyuki Suzuki,2 Wakako Osaka,3 Satoko Hori1,2 1Division of Drug Informatics, Keio University Faculty of Pharmacy, Tokyo, 105-8512, Japan; 2Patient Salon Association, Tokyo, Japan; 3Keio University Faculty of Nursing and Medical Care, Tokyo, 160-8582, JapanCorrespondence: Satoko Hori, Division of Drug Informatics, Keio University Faculty of Pharmacy, 1-5-30 Shibakoen, Minato-ku, Tokyo, 105-8512, Japan, Tel +81-3-5400-2650, Fax +81-3-5400-2799, Email hori-st@pha.keio.ac.jpPurpose: This study aims to investigate the impact of a Science Café (SC) dealing with medical topics on participants’ patient activation (PA), a concept that refers to patients’ involvement in managing their own health, working with their healthcare providers, and maintaining their health.Material and Methods: Semi-structured interviews were conducted with patients who had participated in a medical SC (n = 10) to identify the medical SC-associated factors that influenced PA. Through a questionnaire of medical SC participants (n = 23), the impact on PA and correlations with relevant psychological measures were quantitatively assessed.Results: The interviews revealed three factors: “Experience & acceptance of chronic conditions”, “Features of medical SC” and “Changes as a result of participation.” The questionnaire results showed a positive correlation between PA and resilience and a negative correlation with decision regret.Conclusions: Participation in a medical SC by people with illnesses can improve PA by improving knowledge and skills for self-management and increasing self-awareness of illness in a supportive environment. The study highlights the potential benefits of using medical SC as a strategy for healthcare providers to improve PA and health outcomes.Keywords: self-management, psychological measures, patient community, supportive environment

Published
2023

2. Simulations of NO dissociative adsorption on an atomically thin Cu layer

Author

Nogami, S, Kizaki, H, and Kusakabe, K

Subjects
Condensed Matter - Materials Science
Abstract

To investigate chemical reactivity of Cu atomic-scale structures, we performed simulations based on the generalized gradient approximation in the density functional theory. An atomic layer of Cu forming a triangular lattice (TL) was found to give a stable structure. The nitrogen monoxide molecule (NO) was adsorbed on some atomic sites of TL or on an atomic step structure (ASS) of Cu. The molecular adsorption energy on TL was -0.83 eV. Our data suggested that dissociative adsorption of NO with a dissociation energy of -1.08 eV was possible with an energy barrier of order 1.4 eV. In this optimized structure, the nitrogen and oxygen atoms were embedded in the Cu layer. On the step, NO adsorbed at a bridge site and the formation energy of Cu-(NO)-Cu local bond connections was estimated to be around -1.32 eV. Molecular dissociation of NO with a dissociation energy of -0.37 eV was also possible around ASS., Comment: 11 pages, 5 figures

Published
2011

18. First-principles theory of dilute magnetic semiconductors

Author

Sato, K., Bergqvist, L., Kudrnovsky, J., Dederichs, P. H., Eriksson, O., Turek, I., Sanyal, B., Bouzerar, G., Katayama-Yoshida, H., Dinh, V. A., Fukushima, T., Kizaki, H., and Zeller, R.

Subjects
Density functionals -- Usage, Ferromagnetism -- Analysis, Magnesium -- Atomic properties, Magnesium -- Electric properties, Magnesium -- Magnetic properties, Manganese -- Electric properties, Manganese -- Magnetic properties, Manganese -- Atomic properties, Monte Carlo method -- Usage, Semiconductor doping -- Analysis, Physics
Published
2010

22. Study on the mechanism of platinum-assisted hydrofluoric acid etching of SiC using density functional theory calculations

Author

Bui, P. V., Isohashi, A., Kizaki, H., 1000040252598, Sano, Y., 1000010174575, Yamauchi, K., 1000080358184, Morikawa, Y., Inagaki, K., Bui, P. V., Isohashi, A., Kizaki, H., 1000040252598, Sano, Y., 1000010174575, Yamauchi, K., 1000080358184, Morikawa, Y., and Inagaki, K.

Abstract

P. V. Bui, A. Isohashi, H. Kizaki, Y. Sano, K. Yamauchi, Y. Morikawa, and K. Inagaki, "Study on the mechanism of platinum-assisted hydrofluoric acid etching of SiC using density functional theory calculations", Appl. Phys. Lett. 107, 201601 (2015) https://doi.org/10.1063/1.4935832., Hydrofluoric acid (HF) etching of the SiC surface assisted by Pt as a catalyst is investigated using density functional theory. Etching is initiated by the dissociative adsorption of HF on step-edge Si, forming a five-fold coordinated Si moiety as a metastable state. This is followed by breaking of the Si-C back-bond by a H-transfer process. The gross activation barrier strongly correlates with the stability of the metastable state and is reduced by the formation of Pt-O chemical bonds, leading to an enhancement of the etching reaction.

Published
2015

39. Theory of ferromagnetic semiconductors

Author

Katayama-Yoshida, H., primary, Sato, K., additional, Fukushima, T., additional, Toyoda, M., additional, Kizaki, H., additional, Dinh, V. A., additional, and Dederichs, P. H., additional

Published
2007
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