You are one amazing woman. Even with everything you're going through, you're still willing to so something so wonderful for others.
Quote: I was just worried that I wouldn't get all the air out of the syringe and then accidently kill myself
Don't worry too much about this. You have to get the air in a vein, just injecting in to your backside (which is where I'm assuming you are doing this at) shouldn't be able to kill you! (but don't hold me to that!)