Multiple choice

Which among the following has capacity to bind with the free intracellular calcium?

  1. Indo-1

  2. Fura-2

  3. Fluo-3

  4. Fluo-4

  5. JUNQ

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Fura-2 is a ratiometric fluorescent dye which binds to free intracellular calcium. It was the first widely used dye for calcium imaging, and remains very popular.