I always use liquid Amylase from NCBE - very reliable and a little goes a very long way. I used to use the powdered stuff without much luck - the...
This does seem to be the bane of my existence sometimes. For scalpels, because they are a health and safety risk if nicked (and because teachers...
I second that - our spirometer is working fine but the kymograph gave up the ghost - spirometer without a kymograph seems useless so not sure why...
Yes, the two are the same...
I was unaware that you could actually make bile salts - what is the recipe you are using? I cannot see why you would add gelatine to it. What...
We had exactly this happen. Frustratingly I didn't have a leg to stand on since I'd unofficially done much of the head tech work for a long time...
Likewise here - agar cubes for diffusion. I'm not even sure how you'd make an agar ball - I'd be intrigued to know. I have images of setting to...
They are my go-to supplier now. No postage and they often have a free biscuit promotion. Customer services / technical support has been great...
I have both of the above type of pots. White plastic ones are great for liquids especially as they can go through the dishwasher. Black lidded...
If I may jump in on this discussion but slightly at a tangent, I do not have hot water in my prep room. Never have. Apparently something to do...
I find mini bulldog clips are a pretty good substitute for fiddling round tying knots - and uses less length of tubing. You store it dry. I've...
Has anyone had any success reusing this? I have used mini bulldog clips to seal one end, the kids will use the same the other end once they have...
I was just wondering if anyone has done osmosis experiments using glucose solutions instead of NaCl / sucrose. I was just trying to shortcut as I...
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