[11/28] The 6th WPI-AIMR Joint Seminar in FY2014


The 6th WPI-AIMR Joint Seminar in FY2014


Microengineering for biomedical applications


Prof. Shoji Takeuchi
(Institute of Industrial Science, the University of Tokyo)


November 28 (Fri.), 2014 16:00-17:00


Seminar Room, 2nd floor, WPI-AIMR Main Bldg.


Here, I am planning to talk about several MEMS/Microfluidic-based approaches for various biomedical applications including implantable monitoring and tissue engineering.
Fluorescent hydrogels hold great promise for in vivo continuous glucose monitoring with wireless transdermal transmission and long-lasting activity. We synthesized a highly-sensitive fluorescent monomer, and then fabricated injectable-sized fluorescent polyacrylamide hydrogel beads and fibers with high uniformity and high throughput. We find that the fluorescent beads/fibers provide sufficient intensity to transdermally monitor glucose concentrations in vivo.
Macroscopic 3D tissue architectures are important for not only in tissue engineering but also drug testing. We demonstrated a construction method of 3D tissue structures by using cell beads and cell fibers. For example, a cell-encapsulating core-shell hydrogel fiber was used for constructing fiber-based tissues including muscles, nerves and blood vessels. Moreover, the fiber encapsulating beta-cells is used for the implantation of diabetic mice, and succeeded in normalizing the blood glucose level.


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