5X TBE Electrophoresis Buffer Concentrate, 500mL Chemical_Glycerin Single-hole rubber stopper with 5mm

Single-hole rubber stopper with 5mm hole measures 27 x 31 x 32mm for tubing pass-through and laboratory vessel sealing applications

with retractable hooks for tandem stacking during physics force experiments

and molecular organization for advanced cell biology teaching

Two pith balls suspended on unspun silk from a brass pillar

Twenty-specimen set spans igneous

5X TBE Electrophoresis Buffer Concentrate, 500mL Chemical_Glycerin Single-hole rubber stopper with 5mmUsed as the standard agarose gel running buffer for DNA electrophoresis, this 500mL bottle of 5X Tris Borate EDTA dilutes 1: 5 to provide the high resolution ionic environment for DNA work.