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Lu Research Group

Mechanics and Materials of Bio-Integrated Electronics

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Bio-Eletronics Interface

     To enable reliable but reversible bio-electronics interface adhesion, my group has conducted theoretical, numerical and experimental investigations on an emerging class of dry adhesives with surface craters in both ambient and underwater environment (h).17,18,19,20,21,22 This series of work has been summarized in an invited review paper.23 Sometimes conformability has to be achieved between stiff (due to high-device-density) membranes and non-developable surfaces such as the example of the artificial antenna (i).24 In this case, cuts inspired by kirigami were used to minimize buckle delamination and enhance conformability. Conformable contact affords effective heat transfer at the bio-e interface, which has been modeled in finite element (j) and the model was used to guide the design of the wireless brain patch for tumor treatment (n).25

 

 

 

17           Qiao, S.T., Wang, L., Jeong, H.Y., Rodin, G.J., and Lu, N.S.: ‘Suction effects in cratered surfaces’, J R Soc Interface, 2017, 14, (135), pp. 20170377

18           Wang, L., Qiao, S.T., and Lu, N.S.: ‘Effects of surface tension on the suction forces generated by miniature craters’, Extreme Mechanics Letters, 2017, 15, pp. 130-138

19           Qiao, S.T., Wang, L., Ha, K.H., and Lu, N.S.: ‘Suction effects of craters under water’, Soft Matter, 2018, 14, (42), pp. 8509-8520

20           Wang, L., Ha, K., Qiao, S., and Lu, N.: ‘Suction Effects of Crater Arrays’, Extreme Mechanics Letters, 2019, submitted

21           Lu, N.: ‘Reversible Dry Adhesives’, Soft Robotics, 2016, 3, (3), pp. 99-100

22           Choi, M.K., Park, O.K., Choi, C., Qiao, S., Ghaffari, R., Kim, J., Lee, D.J., Kim, M., Hyun, W., Kim, S.J., Hwang, H.J., Kwon, S.-H., Hyeon, T., Lu, N., and Kim, D.-H.: ‘Cephalopod-Inspired Miniaturized Suction Cups for Smart Medical Skin’, Adv Healthc Mater, 2015, 5, (1), pp. 80-87

23           Wang, L., Ha, K.-H., Rodin, G.J., Liechti, K.M., and Lu, N.: ‘Mechanics of Crater-Enabled Soft Dry Adhesives: A Review’, Frontiers in Mechanical Engineering | Tribology, 2020, 6, pp. 601510

24           Choi, C., Choi, M.K., Liu, S.Y., Kim, M.S., Park, O.K., Im, C., Kim, J., Qin, X.L., Lee, G.J., Cho, K.W., Kim, M., Joh, E., Lee, J., Son, D., Kwon, S.H., Jeon, N.L., Song, Y.M., Lu, N.S., and Kim, D.H.: ‘Human eye-inspired soft optoelectronic device using high-density MoS2-graphene curved image sensor array’, Nat Commun, 2017, 8, pp. 1664

25           Lee, J., Cho, H.R., Cha, G.D., Seo, H., Lee, S., Park, C.K., Kim, J.W., Qiao, S.T., Wang, L., Kang, D., Kang, T., Ichikawa, T., Kim, J., Lee, H., Lee, W., Kim, S., Lee, S.T., Lu, N.S., Hyeon, T., Choi, S.H., and Kim, D.H.: ‘Flexible, sticky, and biodegradable wireless device for drug delivery to brain tumors’, Nat Commun, 2019, 10

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Email: nanshulu@utexas.edu

Phone: (512) 471-4208

Office: EER 7.614B

© Lu Research Group 2021

Department of Aerospace Engineering and Engineering Mechanics

Cockrell School of Engineering

The University of Texas at Austin

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