Methods:Using human epidermal cells culture system, the influence of RA on the growth of epidermis was observed.

方法：采用人表皮体外培养系统，观察黄芪对人表皮扩展的影响。

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The new technology, called an epidermal electronic system (EES), is based on a new class of micro-electronics that integrates miniature sensors, light-emitting diodes, tiny transmitters and refined wire-filament receivers.

FORBES: Electronic Devices Packaged in Synthetic Skin