Susceptance를 이용한 피부수화도 측정 장비의 개발 및 평가Development and Evaluation of skin Hydration Measure System using the Suscepance Method
- Other Titles
- Development and Evaluation of skin Hydration Measure System using the Suscepance Method
- Authors
- 김홍식; 신건수; 김인영; 김선일; 조백환; 장우영
- Issue Date
- Dec-2008
- Publisher
- 대한의용생체공학회
- Keywords
- Skin Hydration; Stratum Corneum; Susecptance Method
- Citation
- 의공학회지, v.29, no.6, pp.493 - 501
- Indexed
- KCI
- Journal Title
- 의공학회지
- Volume
- 29
- Number
- 6
- Start Page
- 493
- End Page
- 501
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/177548
- ISSN
- 1229-0807
- Abstract
- In this paper, a novel system is proposed to measure skin hydration using the susceptance method. This system largely consists of a low-voltage (±2.6 V) driven circuit and minimized electrodes of size (5 × 5 mm2). To evaluate the accuracy of the novel system in measuring skin hydration, skin hydration values from105 subjects are measured by the proposed system. The measurements are then compared to those obtained by the golden reference device based on the capacitance method in terms of Intraclass Correlation Coefficient(ICC) and correlation coefficient. All measurements are performed on 7 sites, which are forehead, Crow’s foot, cheek, chin, volar forearm, dorsal forearm, and back of the hand, in a room where the temperature and humidity are maintained at an uniform level of 22 ± 2℃ and 50 ± 5%, respectively. ICC values are above 0.9 (p = 0.001), signifying that the skin hydration values measured by the two methods show a good level of reliability. Correlation coefficient between the two methods is also 0.562 (p = 0.001). Based on these results, it is expected that the proposed system may be applicable in a variety of clinical or cosmetic areas.
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