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  • Title: [Design of transdermal ultrasonophoresis equipment].
    Author: Li L, Zhang Y, Li Z.
    Journal: Sheng Wu Yi Xue Gong Cheng Xue Za Zhi; 2009 Feb; 26(1):184-6. PubMed ID: 19334582.
    Abstract:
    The recent fast development in biotechnology has resulted in a large number of therapeutic biologicals coming in the foreground for clinical application. Transdermal drug delivery (TDD) is designed for patching the drug on the skin, and then the drug molecules permeate through the skin into the subcutaneous capillary vessels. However,very few drugs can be administered transdermally at the therapeutic levels to pass through the barrier of stratum corneum. Several physical and chemical methods are applied to improve the permeability of skin. Research result shows that the low-frequency ultrasonic technique can extraordinarily increase the rate of permeation. As a result, it is becoming one of the potential methods that serve as the substitutes for traditional methods. In this paper is presented a type of equipment based on MSP430. The principle of design, the structure of hardware, and the applied function in this area are described.
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