Imagine a world where a simple colour change could alert you to a sexually transmitted infection (STI), protecting your health and that of your partner. That’s the groundbreaking vision behind the S.T ...

1| Incubate the cell lysate with 50 μl of a 50% slurry of glutathione-agarose beads and 25 μg of GST for 2 h at 4 °C with end-over-end mixing. The amount of lysate needed to detect an interaction is ...