Recent work by Amar M. Kamat from Kottapalli's team has been published recently in the ACS Applied Materials and Interfaces journal. This work develops a new technique based on sacrificial metal 3D printing and graphene infusion to fabricate very intricate and miniature PDMS structures such as bioinspired sterecilia bundles, double helical microfluidic channels inside high-aspect ratio pillars, and piezoresistive MEMS flow and pressure sensors with embedded sensing elements. The MEMS pressure sensor was also integrated into a Philips electric shaver to allow real-time pressure measurements during shaving. Congrats to Amar Kamat for leading this nice work and thanks to the co-authors Bayu Jayawardhana and Yutao Pei for the collaboration.
Link to the paper (open access): https://pubs.acs.org/doi/10.1021/acsami.0c21295
Link to video demonstration of smart shaving application of 3D printed polymer MEMS sensors: https://pubs.acs.org/doi/suppl/10.1021/acsami.0c21295/suppl_file/am0c21295_si_002.mp4
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