Cool. Or just pull the needle out almost all the way from the septum when drawing. Takes practice but works.Here's good advice if you want to get the last 5-10 units from the vial without them going to waste.
Remember as she says this should only be done when you're done the whole bottle . To open the bottle early you'll risk serious contamination and infection.
Yeah i tried that initially but the needle keeps coming out. I guess i don't know how to do it. This way i found to be much easierCool. Or just pull the needle out almost all the way from the septum when drawing. Takes practice but works.
You will get a feel for it. You can tell when the needle is not in properly as you won't get suction. Eventually when you get everything out you won't get suction either since there is no liquid static head left. I got a bunch of 1 ml vials a while back I had to work through so I got good at it.Yeah i tried that initially but the needle keeps coming out. I guess i don't know how to do it. This way i found to be much easier
Cool. Or just pull the needle out almost all the way from the septum when drawing. Takes practice but works.