5-mL polypropylene microcentrifuge tubes (Sarstedt) using disposable glass pipets
Using a new pipet
tip each time, add 5 [micro]l of the indicated master mix to each tube.
Procedure: Viscosity is assessed after the volume has been measured by aspirating the sample into the pipet
and allowing semen to drop back into the container by gravity.
Perhaps switching to volumeric addition using a hand held pipet
5 mL microcentrifuge tube and crushed thoroughly using a large pipet
tip which had its pointed end rounded by partial melting.
With a pipet
, supernatant fluid was removed to volumetric levels of 20 ml, 10 ml, and 5 ml with one minute of centrifuging between intervals.
I even joined in, and when I had trouble with a pipet
, there was much laughter (It has been a long time
Better the clear and incurious drip of fluid from pipet
to reassuring beaker.
Crosses were effected after vacuum emasculation with a 1-mm pipet
tip connected to a vacuum line.
She will then place the solution into a tube, spin it in a centrifuge and aspirate the solution into a pipet
In 2011, over 4,400 cubic feet of plastic pipet
tip boxes were recycled rather than sent to a landfill.
Twenty milliliter of 1% agarose with sodium azide was poured in a sterile plate and three wells were made by a sterile pipet