Pharmeceutical companies could soon have easier access to synthetic alternatives to horseshoe crab blood, a key ingredient used to test vaccines and medical devices for contamination. The U.S.

As thoroughly covered in your recent article (C&EN, Oct. 28, 2024, page 26), the issue of replacing the traditional natural product test for endotoxin, limulus amoebocyte lysate (LAL), with a ...

Specimens of urethral exúdate from 200 men with uncomplicated urethritis were tested for Neisseria gonorrhoeae by the limulus amebocyte lysate assay, culture on modified ThayerMartin medium, and ...

Fear at first sight: That was Jack Levin's reaction upon meeting the creature that put him on the path to lasting scientific achievement. The year was 1963, two years before Levin would begin a ...

The horseshoe crab bleeding industry is in transition. One biomedical company agreed to more oversight, and a regulatory group is paving the way... Vaccines are still tested with horseshoe crab blood.