We currently use round bottom glass test tubes on our automation but suffer a large dead volume. We are looking to find a supplier of low dead volume glass/plastic test tubes to trial
That's an unusual question. MANY years ago (50 or so) when we used to run a lot of pregnancy tests by utilizing Leopard Frogs, we used to use V-bottomed test tubes to spin down the sediment. Frankly, that's pretty much the only example I can remember where we used them. But I would think that they are still around. I would suggest you contact a laboratory supply house or two or three, and ask them. They are much more likely to be able to give you an answer than us geeks on the Yahoo medicine board. The stuff I used 50 years ago might not be around anymore.
