gel

support medium (agarose) that holds DNA molecules in place during the separation phase of electrophoresis.

A jelly-like solid, used widely as a matrix for the electrophoresis of macromolecules, for encapsulation, and to solidify media for cell cultures.

A substance, resembling petroleum jelly in viscosity, that surrounds a fiber, or multiple fibers, enclosed in a loose buffer tube. Note: This gel serves to lubricate and support the fibers in the buffer tube. It also prevents water intrusion in the event the buffer tube is breached. [FAA] 2. Index-matching material in the form of a gel. [FAA] Synonyms index-matching gel, matching gel.