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육지수,신수진 질적연구학회 2021 질적연구 Vol.22 No.1
Purpose: The purpose of this study was to explore the lived experience of sexual life with female ostomates and provide basic data for an education program to promote sexual health in female ostomates. Methods: The sexual life experience of 6 female ostomates was investigated by using the hermeneutic phenomenological research methodology. Data were collected from face-to-face interviews using purposive sampling and from various sources of information, including etymology, poem, essays, and works of arts. Results: The results of this study showed the following five themes: “I am self- intimidated, looking at the body after the ostomy”, “I gave up my sexual relationship because I had a shackle called ostomy”, “I want to ask, but I cannot.”, “I came out of isolation because of a partner who understands the ostomy”, and “I am waiting eagerly for restoration of the ostomy repair.” Conclusion: This study explored the meaning of female ostomates' sexual experience and their practical experience. The results confirm that partners of female ostomates should be included in the education program, indicating the need for further studies on the sexual life experiences of female ostomates and their partners. In addition, development of easily accessible content related to the sex life of female ostomates is also essential.
육지수 ( Ji-su Yuk ),이삼행 ( Sam-haeng Yi ),이명규 ( Myung-gyu Lee ),박주석 ( Joo-seok Park ),김영곤 ( Young-gon Kim ),이성갑 ( Sung-gap Lee ) 한국전기전자재료학회 2024 전기전자재료학회논문지 Vol.37 No.2
(La0.7Sr0.3)(Mn1-xFex)O3 (LSMFO) (x = 0.03, 0.06, 0.09, 0.12) precursor solution are prepared by sol-gel method. LSMFO thin films are fabricated by the spin-coating method on Pt/Ti/SiO2/Si substrate, and the sintering temperature and time are 800℃ and 1 hr, respectively. The average thickness of the 6-times coated LSMFO films is about 181 to 190 nm and average grain size is about 18 to 20 nm. As the amount of Fe added in the LSMFO thin film increased, the resistivity decreased, and the TCR and B25/65-value increased. Electrical resistivity, TCR and B25/65-value of the (La0.7Sr0.3)(Mn0.88Fe0.12)O3 thin film are 0.0136 mΩ-cm, 0.358%/℃, and 328 K at room temperature, respectively. The resistivity properties of LSMFO thin films matched well with Mott’s VRH model.
스핀-코팅법으로 제작한 K(Ta,Nb)O<sub>3</sub>/Pb(Zr,Ti)O<sub>3</sub> 이종층 박막의 전기 열량 효과
양영민,육지수,김지원,이삼행,박주석,김영곤,이성갑,Yang, Young-Min,Yuk, Ji-Soo,Kim, Ji-Won,Yi, Sam-Haeng,Park, Joo-Seok,Kim, Young-Gon,Lee, Sung-Gap 한국전기전자재료학회 2020 전기전자재료학회논문지 Vol.33 No.6
Heterolayered K(Ta,Nb)O<sub>3</sub>/Pb(Zr,Ti)O<sub>3</sub> thin films on Pt/Ti/SiO<sub>2</sub>/Si substrates were prepared by a sol-gel process and spin-coating method. The structural and electrical properties were measured to investigate the possibility of application as an electrocaloric effect device. All specimens exhibited dense and uniform cross-sectional structures without pores, and the average thickness of the specimen coated six times was approximately 394 nm. Curie temperatures were observed at 5℃ or less in type-I and 10℃ in type-II specimens, respectively. Type-II specimens coated 6 times showed a relative dielectric constant of 758 and remanent polarization of 9.71 μC/㎠ at room temperature. The maximum electrocaloric effect occurred between 20 and 25℃, slightly higher than their Curie temperature, and the electrocaloric property (ΔT) of the type-II specimens coated 6 times was approximately 1.2℃ at room temperature.
박병준 ( Byeong-jun Park ),육지수 ( Ji-su Yuk ),이삼행 ( Sam-haeng Yi ),이명규 ( Myung-gyu Lee ),박주석 ( Joo-seok Park ),이성갑 ( Sung-gap Lee ) 한국전기전자재료학회 2024 전기전자재료학회논문지 Vol.37 No.3
In this study, KTN heterolayer thin films were fabricated by alternately stacking films of K(Ta<sub>0.70</sub>Nb<sub>0.30</sub>)O<sub>3</sub> and K(Ta<sub>0.55</sub>Nb<sub>0.45</sub>)O<sub>3</sub> synthesized using the sol-gel method. The sintering temperature and time were 750℃ and 1 hour, respectively. All specimens exhibited a polycrystalline pseudo-cubic crystal structure, with a lattice constant of approximately 0.398 nm. The average grain size was around 130~150 nm, indicating relatively uniform sizes regardless of the number of coatings. The average thickness of a single-coated film was approximately 70 nm. The phase transition temperature of the KTN heterolayer films was found to be approximately 8~12℃. Moreover, the 6-coated KTN heterolayer film displayed an excellent dielectric constant of about 11,000. As the number of coatings increased, and consequently the film thickness, the remanent polarization increased, while the coercive field decreased. The 6-coated KTN heterolayer film exhibited a remanent polarization and coercive field of 11.4 μC/cm<sup>2</sup> and 69.3 kV/cm at room temperature, respectively. ΔT showed the highest value at a temperature slightly above the Curie temperature, and for the 6-coated KTN heterolayer film, the ΔT and ΔT/ΔE were approximately 1.93 K and 0.128×10<sup>-6 </sup>K·m/V around 40℃, respectively.
Hybrid material of structural DNA with inorganic compound: synthesis, applications, and perspective
Shin Seung Won,육지수,Chun Sang Hun,임용택,엄숭호 나노기술연구협의회 2020 Nano Convergence Vol.7 No.1
Owing to its precise manipulation in nanoscale, DNA as a genetic code becomes a promising and generic material in lots of nanotechnological outstanding exploitations. The nanoscale assembly of nucleic acids in aqueous solution has showed very remarkable capability that is not achievable from any other material resources. In the meantime, their striking role played by effective intracellular interactions have been identified, making these more attractive for a variety of biological applications. Lately, a number of interesting attempts have been made to augment their marvelous diagnostic and therapeutic capabilities, as being integrated with inorganic compounds involving gold, iron oxide, quantum dot, upconversion, etc. It was profoundly studied how structural DNA-inorganic hybrid materials have complemented with each other in a synergistic way for better-graded biological performances. Such hybrid materials consisting of both structural DNAs and inorganics are gradually receiving much attention as a practical and future-oriented material substitute. However, any special review articles highlighting the significant and innovative materials have yet to be published. At the first time, we here demonstrate novel hybrid complexes made of structural DNAs and inorganics for some practical applications.