Grants per year
Personal profile
Research Interests
The Rivnay research group designs and develops new materials and devices to facilitate the seamless integration of sensing/actuation technologies with cells and tissue to enable improvements in diagnosis and therapy. Our research focuses on active materials such as conducting polymers due to their synthetic tunability, soft mechanical properties, demonstrated stability and compatibility with biological tissue, and their ability to take on a broad range of form factors from ultra-thin and flexible, to fibrous or scaffold-like. Importantly, these materials exhibit mixed ionic and electronic conduction, which aids in closing the signaling gap inherent to the bioelectronic interface. We utilize the unique properties of these soft, optoelectronically active materials to bridge the disparate worlds of biological systems and traditional microelectronic and optical tools.
The lab’s ongoing work makes use of electroactive polymers to realize efficient electrophysiological and biomarker-specific sensors, as well as electrical and chemical stimulators. These tools offer localized and less invasive bidirectional interfacing for in vivo applications, and are integral for high throughput, sensitive in vitro lab-on-chip platforms used for toxicology. The design of new organic bioelectronic materials and their devices promises to influence a broad range of applications beyond electrical/chemical sensing and stimulation, including on-demand actuation for surgical and soft robotics, as well as electroactive tissue regeneration.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
Education/Academic qualification
Materials Science and Engineering, PhD, Stanford University
… → 2012
Materials Science and Engineering, MS, Stanford University
… → 2010
Materials Science and Engineering, BS, Cornell University
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Network
Grants
- 11 Active
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D20AC00002 -REPAIR Regenerative Elec. Platform
University of Pittsburgh, Defense Advanced Research Projects Agency (DARPA)
7/1/22 → 6/30/24
Project: Research project
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Administrative Unit Normalizing Timing of Rhythms Across Internal Networks of Circadian Clocks (NTRAIN) PROJ0019246
4/23/21 → 10/22/28
Project: Research project
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Normalizing Timing of Rhythms Across Internal Networks of Circadian Clocks (NTRAIN)
4/23/21 → 10/22/28
Project: Research project
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Rivnay Laboratory Normalizing Timing of Rhythms Across Internal Networks of Circadian Clocks (NTRAIN) PROJ0019247
4/23/21 → 10/22/28
Project: Research project
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Aqueous processing of organic semiconductors enabled by stable nanoparticles with built-in surfactants
Marcial-Hernandez, R., Giacalone, S., Neal, W. G., Lee, C. S., Gilhooly-Finn, P. A., Mastroianni, G., Meli, D., Wu, R., Rivnay, J., Palma, M. & Nielsen, C. B., Mar 17 2023, In: Nanoscale. 15, 14, p. 6793-6801 9 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Combined Optical, Gravimetric, and Electrical Operando Investigation of Structural Variations in Polymeric Mixed Conductors
Zhang, Y., Paulsen, B. D., Schafer, E. A., Zeng, Q., Yu, F., Yang, L., Xue, Y., Rivnay, J. & Zhao, N., Apr 18 2023, In: Advanced Functional Materials. 33, 16, 2214380.Research output: Contribution to journal › Article › peer-review
Open Access -
Revealing the Impact of Molecular Weight on Mixed Conduction in Glycolated Polythiophenes through Electrolyte Choice
Tropp, J., Meli, D., Wu, R., Xu, B., Hunt, S. B., Azoulay, J. D., Paulsen, B. D. & Rivnay, J., May 1 2023, In: ACS Materials Letters. 5, 5, p. 1367-1375 9 p.Research output: Contribution to journal › Article › peer-review
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Versatile Poly(3,4-ethylenedioxythiophene) Polyelectrolytes for Bioelectronics by Incorporation of an Activated Ester
Tropp, J., Mehta, A. S., Ji, X., Surendran, A., Wu, R., Schafer, E. A., Reddy, M. M., Patel, S. P., Petty, A. J. & Rivnay, J., Jan 10 2023, In: Chemistry of Materials. 35, 1, p. 41-50 10 p.Research output: Contribution to journal › Article › peer-review
2 Scopus citations -
Vertical organic electrochemical transistors for complementary circuits
Huang, W., Chen, J., Yao, Y., Zheng, D., Ji, X., Feng, L. W., Moore, D., Glavin, N. R., Xie, M., Chen, Y., Pankow, R. M., Surendran, A., Wang, Z., Xia, Y., Bai, L., Rivnay, J., Ping, J., Guo, X., Cheng, Y., Marks, T. J., & 1 others , Jan 19 2023, In: Nature. 613, 7944, p. 496-502 7 p.Research output: Contribution to journal › Article › peer-review
Open Access6 Scopus citations
Datasets
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CCDC 1944170: Experimental Crystal Structure Determination
Parr, Z. S. (Contributor), Rashid, R. B. (Contributor), Paulsen, B. D. (Contributor), Poggi, B. (Contributor), Tan, E. (Contributor), Freeley, M. (Contributor), Palma, M. (Contributor), Abrahams, I. (Contributor), Rivnay, J. (Contributor) & Nielsen, C. B. (Contributor), Cambridge Crystallographic Data Centre, 2022
DOI: 10.5517/ccdc.csd.cc23825n, http://www.ccdc.cam.ac.uk/services/structure_request?id=doi:10.5517/ccdc.csd.cc23825n&sid=DataCite
Dataset