The carbocyanine dye DiIC₁(5) has been used to measure mitochondrial membrane potential in apoptotic cells. Loss of membrane potential in apoptotic cells is reflected by a decrease of fluorescence signal in the infrared channel.
<ul>
<li>&lamba;_Ex/&lamba; _Em (MeOH) = 638/ 658nm</li>
<li>Dark green solid soluble in DMSO or DMF</li>
<li>Store at 4°C and protect from light</li>
<li>C₂₇H₃₁IN₂</li>
<li>MW: 510.46</li>
</ul>