# C&EN Uncovered: Turning tides for endotoxin testing

Page: https://stenobird.com/podcast/stereo-chemistry-634445/c-en-uncovered-turning-tides-for-endotoxin-testing
Text version: https://stenobird.com/podcast/stereo-chemistry-634445/c-en-uncovered-turning-tides-for-endotoxin-testing.md
Podcast: [Stereo Chemistry](https://stenobird.com/podcast/stereo-chemistry-634445)
Published: 2025-03-31T19:34:00+00:00
Episode link: https://stereochemistry.libsyn.com/cen-uncovered-turning-tides-for-endotoxin-testing
Audio file: https://traffic.libsyn.com/secure/stereochemistry/uncovered_horseshoe_crab_blood.mp3?dest-id=1721057
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JSON: https://stenobird.com/v1/public/podcasts/stereo-chemistry-634445/episodes/c-en-uncovered-turning-tides-for-endotoxin-testing
Duration seconds: 1241

## Resource

The drug industry may finally phase out using horseshoe crab blood. What took so long? In this episode of C&EN Uncovered , host Craig Bettenhausen speaks with C&EN assistant editor Laurel Oldach about the use of horseshoe crab blood in pharmaceutical endotoxin testing, the challenges of transitioning to synthetic alternatives, and the regulatory hurdles involved. Stereo Chemistry offers a deeper look at subjects from recent stories pulled from the pages of Chemical & Engineering News . Check out Laurel's story on the fight over horseshoe crab blood at https://cen.acs.org/safety/drug-safety/Turning-tides-endotoxin-testing/102/i34 . Subscribe to Stereo Chemistry now on Apple Podcasts , Spotify , or wherever you listen to podcasts.

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## Transcript

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