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Mole-controlled growth of Y-doped ZnO nanostructures by hydrothermal method
허성은,이영민,샤르마,이세준,김득영 한국물리학회 2014 Current Applied Physics Vol.14 No.11
We investigated the mole-controlled growth of Y-doped ZnO (YZO) nanostructures by the hydrothermal synthesis techniques. Through controlling the aqueous solution's mole concentration, we could modify the morphological and structural properties of YZO. The shape of YZO becomes a nanometer-sized rod when using a relatively low mole concentration, whereas the morphology is changed to be flat and mosaic when using a relatively high mole concentration. Since the aqueous solution's mole concentration decides the amount of hydroxide, we ascribe the mole-controlled morphological changes to the alteration of chemical potential during the hydrothermal chemical reaction.
65세 이상 노인의 가철성 의치만족도와 구강건강관련 삶의 질의 관련성
허성은,지재훈,이선찬,허종훈 보건의료산업학회 2016 보건의료산업학회지 Vol.10 No.3
Objectives : This study explored ways to improve the quality of life related to oral health and the oral health of senior citizens by identifying the relevance of oral health-related quality of life issues, and satisfaction with dentures in elderly 65 years of age or older. Methods : This study surveyed 220 senior citizens who are currently using dentures and 65 years of age or older living in Busan. As a result, 200 questionnaires were returned. All of these questionnaires were used in the final analysis. The method of analysis was descriptive statistics using SPSS VER. 19.0, t-test, ANOVA, Pearson correlation coefficients, and regression analysis. Results : First, when verifying the difference in the quality of the health-related life of the oral cavity in accordance with the general characteristics, only average monthly income showed a significant difference. Second, the results of the analysis for factors that affect the quality of the health -related life of the oral cavity, fixation satisfaction, and mastication satisfaction, in that order, affected the general satisfaction of the elderly. Conclusions : Dentures satisfaction and the quality of the health-related life of the oral cavity show a high correlation and causality.
한국인 여성에서 중증 자궁내막증의 발생 위험도와 CYP19 유전자 다형성과의 관련성에 관한 연구
허성은,이지영,문혜성,정혜원,Hur, Sung Eun,Lee, Ji Young,Moon, Hye-Sung,Chung, Hye Won 대한생식의학회 2005 Clinical and Experimental Reproductive Medicine Vol.32 No.2
Objective: To investigate whether polymorphism of CYP19 gene is associated with the risk of advanced endometriosis in Korean women. Methods: Blood samples were collected from 202 endometriosis patients and 221 controls. The patients with endometriosis of stages III and IV diagnosed by both pathologic and laparoscopic findings to according modified AFS classification. The women undergoing laparoscopic surgery or laparotomy for non-malignant lesions were included in the control group. Polymerase chain reaction (PCR) and restriction fragment length polymorphism (RFLP) of PCR products were done to determine all individuals' genotype. Results: The heterozygous allele in CYP19 gene was the most common genotypes in both endometriosis and healthy control groups (52.0% vs. 46.1%). CYP19 gene polymorphisms did not show the significant differences between the control group and endometriosis group. Conclusion: The results suggested that the CYP19 genetic polymorphism was not associated with a risk of advanced endometriosis in Korean women.
주관적 전신건강상태와 건강행위가 구강건강관련 삶의 질에 미치는 영향에 관한 융합연구
허성은 한국융합학회 2018 한국융합학회논문지 Vol.9 No.9
본 연구는 주관적 전신건강상태와 건강행위가 구강건강관련 삶의 질에 미치는 영향을 융합연구를 통해 파악하고자 하였으며, 부산광역시에 거주하는 성인을 대상으로 설문조사에 의해 수집된 자료를 SPSS 21.0 프로그램을 통해 분석하였다. 비 흡연 그룹의 구강건강관련 삶의 질이 흡연 그룹보다 높게 나타났고, 주관적 전신건강상태와 건강행위에 대한 고 그룹이 저 그룹에 비해 구강건강관련 삶의 질이 높게 나타났다. 주관적 전신건강상태와 건강행위 모두 구강건강관련 삶의 질에 정 (+)의 영향을 주는 것으로 나타났으며 특히, 주관적 전신건강상태가 더 큰 영향을 미쳤다. 따라서 전신건강을 통한 구강건강 관련 삶의 질이 향상될 것으로 기대됨에 따라 전신과 구강의 융합 교육프로그램의 개발은 전신건강과 구강건강의 연관된 중요성을 교육할 수 있는 중요한 매체가 될 것으로 판단된다. The purpose of this study was to investigate the effect of subjective systemic health status and health behavior on the oral health-related quality of life through a convergence study. The data collected by a survey on adults living in Busan Metropolitan City were analyzed using SPSS 21.0 program. The oral health-related quality of life of the non-smoking group was higher than that of the smoking group, and the oral health-related quality of life was higher in the high group for the subjective systemic health status and health behavior than in the low group. Subjective systemic health status and health behavior both were found to have a positive (+) influence on oral health-related quality of life, and especially the subjective systemic health status had a greater influence. Therefore, as the improvement of oral health-related quality of life is expected through systemic health, it is considered that development of convergence education programs could be an important medium to educate the associated importance of systemic health and oral health.
허성은,하지원 한국바이오칩학회 2022 BioChip Journal Vol.16 No.2
Gold nanorods coated with a mesoporous silica shell (AuNRs@mSiO 2 , core@shell) have been in the employment for various bioapplications, including drug delivery and photothermal cancer therapy. Nevertheless, limited studies have been conducted on AuNRs@mSiO 2 for their biosensing applications that use a refractive index (RI)-based localized surface plasmon resonance (LSPR). In this study, the LSPR detection sensitivity of individual AuNRs@mSiO 2 with two distinctive core sizes, but the same aspect ratio of 3, was presented at LSPR inflection points (IFs) according to RI variations of the surrounding environment. The RI sensitivity at the homogeneous LSPR IF located on the low-energy side was higher than the wavelength shifts in the conventional LSPR maximum peak. Moreover, single AuNRs@mSiO 2 having a smaller core size exhibited better RI sensitivity at the IFs of LSPR. Thus, we presented a better understanding of the RI-based detection sensitivity in single AuNRs@mSiO 2 at LSPR IFs for developing LSPR biosensors.