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Reseach on micro-sensor system to measure skin

皮肤测量微传感器系统的研究

基本信息

批准号：
11695058
负责人：
KOMEDA Takashi
金额：
$ 2.56万
依托单位：
Shibaura Institute of Technology
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
1999
资助国家：
日本
起止时间：
1999 至 2001
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-11695058/
关键词：
water content of skin microsensor water content of strurum corner skin measurment skin information of skin functions 水分蒸散量

项目摘要

The water content in the stratum corneum could be one index to evaluate the skin health, we have developed a microsensor and a small measurement system, and discuss the influence to skin from the environment of daily living conditions. The dimensions of the sensor which we developed is 5mmX5mm and a gap of about 15 μm between two electrode strips, This distance of electrodes is significantly smaller compared to conventional skin impedance measuring systems, If the film side of the sensor chip is pressed onto human skin, the change of capacitance can be used as a measure for the water content of the skin. We also developed another type sensors which had protection membrane and fine connection. We developed a new measurement method. It gives different frequences current and measure the electric characteristic each of frequences, we made new parameter to know the water content to check the relation between frequences and measured data. Finaly, we developed the small portable electric circuit and connected to a computer to realize a new measurment method. We compare measuring results on normal skin, atopic (dry) skin and skin moisturized by a humectant, we got good results. We. totally developed microsensor system for water content and established basic technology to measure skin functions.

皮肤角质层含水量可作为皮肤健康状况的一个评价指标，我们研制了一种微传感器和一个小型测量系统，并讨论了日常生活环境对皮肤的影响。该传感器的尺寸为5mm × 5mm，电极间距为15 μm，与传统的皮肤阻抗测量系统相比，电极间距明显减小。将传感器芯片的薄膜侧压在人体皮肤上，电容的变化可以作为皮肤含水量的测量。另外还开发了具有保护膜和良好连接的传感器。我们开发了一种新的测量方法。它通过施加不同频率的电流，测量各频率下的电特性，并设定新的参数来判断含水量，以检验频率与测量数据之间的关系。最后，研制了小型便携式电路，并与计算机相连，实现了一种新的测量方法。我们比较了正常皮肤、特应性（干燥）皮肤和保湿剂保湿皮肤的测量结果，得到了良好的结果。We.全面开发了含水量微传感器系统，并建立了测量皮肤功能的基础技术。