I am currently in the Department of Biomedical Engineering at Northwestern University. My research interests are at the interface of polymer organic chemistry, material science, and biomedical engineering.

This is my personal website; feel free to explore. If you have any questions or would like to schedule a conversation, please reach out!

Recent Publications (2022-2023)

Organic Mixed Conductors for Electrochemical Transistors

Joshua Tropp, Dilara Meli, Jonathan Rivnay

Matter, Available Online, 2023

Revealing the Impact of Molecular Weight on Mixed Conduction in Glycolated Polythiophenes Through Electrolyte Choice

Joshua Tropp*, Dilara Meli*, Ruiheng Wu, Bohan Xu, Samuel Hunt, Jason Azoulay, Bryan Paulsen, Jonathan Rivnay

ACS. Mater. Lett., vol. 5, 2023, pp. 1367-1375

Receptor Induced Doping of Conjugated Polymer Transistors: A Strategy for Selective and Ultrasensitive Phosphate Detection in Complex Aqueous Environments

Anthony R. Benasco, Joshua Tropp, Vikash Kaphle, Yusheng Chen, Wei Zhao, Naresh Eedugurala, Tse Nga Ng, Amar H. Flood, Jason D. Azoulay

Advanced Electronic Materials, vol. 8(7), 2022, p. 2101353

Sources and Mechanism of Degradation in p-Type Thiophene-Based Organic Electrochemical Transistors

Emily A Schafer, Ruiheng Wu, Dilara Meli, Joshua Tropp, Maximilian Moser, Iain McCulloch, Bryan D Paulsen, Jonathan Rivnay

ACS Applied Electronic Materials, vol. 4(4), 2022, pp. 1391–1404

How Early-Career Scientists Responded with Resiliency to the Space Created by the COVID-19 Pandemic (Editorial)

Fun Man Fung, Safia Z Jilani, Monica L Ohnsorg, Rebecca L Pinals, Mohit Saraf, Joshua Tropp, Peter Carlton

ACS Central Science, vol. 8(3), 2022, pp. 294-296

Versatile Poly(3,4-ethylenedioxythiophene) Polyelectrolytes for Bioelectronics by Incorporation of an Activated Ester

Joshua Tropp, Abijeet Mehta, Ruiheng Wu, Manideep Reddy, Shiv Patel, Anthony Petty, Jonathan Rivnay

Chem. Mater., vol. 35, 2022, pp. 41-50

A Sensor Array for the Ultrasensitive Discrimination of Heavy Metal Pollutants in Seawater

Michael H. Ihde*, Joshua Tropp*, Miguel Diaz, Alan M. Shiller, Jason D. Azoulay, Marco Bonizzoni, (* denotes co-first)

Advanced Functional Materials, vol. 32(33), 2022, p. 2112634

3D-printed electroactive hydrogel architectures with sub-100 μm resolution promote myoblast viability

Rebecca L. Keate, Joshua Tropp, Caralyn Collins, Henry Oliver T. Ware, Anthony J. Petty II, Guillermo Ameer, Cheng Sun, Jonathan Rivnay

Macromolecular Biosciences, vol. 22(8), 2022, p. 2200103

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Recent News

Jun 17, 2023

15th International Symposium on Functional-pi Electron Systems, Raleigh NC

POSTER TITLE: PEDOT nanoparticles: A tool to enhance 3D charge percolation within conductive biomaterials

Mar 26, 2023

ACS Spring 2023, Indianapolis IN

(1) PAPER TITLE: PEDOT nanoparticles: A tool to enhance 3D charge percolation within conductive biomaterials DIVISION: Division of Polymer Chemistry SESSION: Polymers at the Interface with Biology SESSION TIME: 8:00 AM - 10:40 AM PRESENTATION FORMAT: ...

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Nov 13, 2022

2022 AIChE Annual Meeting, Phoenix, AZ

Come check out my poster! Title: Advancing Next-Generation Bioelectronics through Rational Omiec Design Session: Meet the Faculty and Post-Doc Candidates Poster Session Date:  Sunday, November 13, 2022 Session Time: 1:00 PM MST - 3:00 PM MST Poster Nu... (Link)

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Nov 11, 2022

Georgia Tech Invited Virtual Talk

I was invited by the Student Polymer Network to give a virtual seminar to the students and faculty at Georgia Tech on Friday, Nov.11th, 2022, 11:00am – 11:50am. More information to come!

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Joshua Tropp


Rivnay Lab - Biomedical Engineering

Northwestern University

Simpson Querrey
Biomedical Research Center
303 E. Superior St.
Chicago, IL 60611


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