지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Exposure to UV light, i.e., UV-A (320-400 nm) or UV-B (290-320 nm) radiation, can cause skin cancer. Titanium dioxide (TiO₂) effectively disperses UV light. Therefore, it is used as a physical UV filter in many UV light blockers. Usually, the TiO₂ content in commercialized UV blockers is 25 % at most. To block UV-B, a chemical UV blocker, octyl-methoxy cinnamate (OMC) is used. OMC is commonly used in combination with TiO₂. In this study, TiO₂ and OMC were mixed in different proportions to produce UV blockers with different compositions. Also the changes in the sun protection factor (SPF) based on the composition and TiO₂ particle sizes were investigated. In order to analyze the TiO₂ particle size, dynamic light scattering (DLS) and asymmetrical flow field-flow fractionation (AsFlFFF) were used. The results showed that the SPF was influenced by the proportion of TiO₂ and OMC, where the proportion of TiO₂ induced a more significant influence. In addition, changes in the TiO₂ particle size based on the proportion of OMC were observed.
목차
Abstract
1. Introduction
2. Theory
3. Experimental
4. Results and Discussion
5. Conclusions
References
참고문헌 (29)
참고문헌 신청
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UCI(KEPA) : I410-ECN-0101-2018-433-001191851