Students’ ToxiSense Wins Startup Challenge

ToxiSense

ToxiSense, which aims to improve the endotoxin testing required for drinking water and biopharma products, has won the sixth annual Startup Challenge of Penn’s Venture Lab. ToxiSense was co-founded by a team of four first-year students: Aravind Krishnan, C’25, W’25; Udit Garg, ENG’25; Andrew Diep-Tran, W’25; and Aarush Sahni, C’25.

Biopharmaceutical products and drinking water must be tested for endotoxins, the sickness-causing molecule from bacteria. The current method relies on expensive horseshoe crab blood and is environmentally damaging. ToxiSense genetically engineered the Arabidopsis plant to luminesce based on the endotoxin concentration applied to it, serving as a sustainable, cost-effective solution.

The Startup Challenge is sponsored by Eric Aroesty, C’92. ToxiSense was selected from a field of eight finalist teams who advanced from 30 ventures during the semi-finals portion of the competition, which consisted of a day of virtual pitching and Q&A in front of alumni entrepreneur and investor panels. For the finals, teams pitched to a panel of alumni judges and in front of a live audience of nearly 200 attendees as they competed for over $150,000 in cash and prizes to launch their startups.

“The Startup Challenge is Venture Lab’s premier yearly event, showcasing Penn’s most promising teams of student entrepreneurs,” said Lori Rosenkopf, Vice Dean of Entrepreneurship and Simon and Midge Palley Professor at the Wharton School. “This year’s finalists included undergraduate and graduate students from across the University, and their products offered solutions for environmental, financial, health, and social challenges. These motivated teams capture the spirit of Penn entrepreneurship—innovative, interdisciplinary, inclusive—and we offer our congratulations and our optimistic wishes for their futures!”

 

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