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송헌재(Heonjae Song),윤다정(Dajeong Yoon),이수성(Sooseong Lee),조하영(Hayoung Jo) 한국자료분석학회 2022 Journal of the Korean Data Analysis Society Vol.24 No.1
최근 30대 정치인이 제1야당의 당대표로 당선되면서 젊은 세대의 정치참여가 본격화되고 있지만, 정치권에서 제시하는 정책이 2030세대의 공감을 얻지는 못하고 있다. 이러한 상황에서 본 연구는 20대 대학생들이 우리나라의 현실에 대해 어떻게 인식하고 있는지 알아보고자 한다. 이를 위해 2020년 2학기에 서울 소재 S대학교 경제학부에 개설된 인구경제학(Demographic Economics) 수업의 수강생이 작성한 에세이를 면밀히 분석하였다. 분석 결과, 남학생보다 여학생이 결혼과 출산을 모두 기피하는 경향을 보였다. 여학생의 경우 결혼과 출산으로 인한 경력단절을 염려한 결과로 여겨진다. 결혼 및 출산과 관련한 의사결정에 영향을 미치는 가장 중요한 요소는 경제적 요인(안정적인 소득, 일자리, 주거)이었다. 결혼과 자녀출산을 희망한다고 하더라도 경제적 뒷받침을 중요한 요소로 생각하는 경항이 강하게 드러난 것이다. 이는 일자리 감소와 내집 마련에 대한 우려로 인한 것으로, 스스로의 삶을 영위하기도 어려운 상황에서 결혼과 출산은 사치라는 인식이었다. 정부가 정말 저출산이 문제라고 생각하고 정말 필요한 정책을 만든다면, 무엇보다 청년들이 미래에 지금보다 더 나은 삶을 누릴 수 있다는 희망을 가질 수 있도록 해야할 것이다. Recently, there is a noticeable increasing tendency to political participation of the twenty and thirty after a young politician was elected as a representative of the leading opposition. However, the policies have not brought any echo from the youth generation. Therefore, we investigate the recognition of youth towards the social system and reality. For this, we thoroughly analyze essays that were submitted for Demographic Economics class during the fall semester of 2020. The results are as follows: First, female students tend to avoid marriage and childbirth relative to male students. Female students mainly worried about the career disruption after marriage and childbrith. Second, students considered the economic aspect (such as stable income stream, job, and residence) as the foremost factor for marriage and childbirth. Even if they with to marry and give birth to child, the tendency to regard economic support or enough wealth for marriage and childbirth as an importand facro is strongly evident. If the government genuinely want to raise the fertility rate, then the government should assure young people which they can have hope for a better life in the future.
커피찌꺼기 추출물(Coffee Grounds Extract)에 의한 모발 염색효과
송태양,김창원,고지은,김다정 한국피부과학연구원 2023 아시안뷰티화장품학술지 Vol.21 No.4
Purpose: This study aimed to examine the effects of hair dyeing employing used-up coffee grounds extract (CGE). Methods: The total polyphenol concentration of CGE was analyzed using the Folin─Ciocalteu’s method, and a shampoo formulation was prepared by adding different CGE concentrations. The hair dyeing effectiveness was observed according to changes in these two variables: dyeing concentration and dyeing time. To investigate the dyeing effects, L* (Lightness), a* (Red─Green), and b* (Yellow─Blue) values were measured using a colorimeter. The optical density value was measured to examine the hair’s fading degree after bleaching. Results: The total polyphenol concentration in CGE was 122─133 mg GAE/g. The samples showed significant dyeing effects before and after application in terms of L*, a*, and b* values. Hair dyeing ability increased with both amplified CGE concentration and dyeing time. Regarding the bleaching process, no decrease in hair colour intensity or change in hair’s fading degree was observed for 21 days. Conclusion: The possibility of dyeing using CGE has been demonstrated, and further commercialization as a shampoo formulation is considered possible.