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Strange brew

18 September, 2006

I want to make up some RNA loading buffer, right? And I'm googling (yes, Virginia, 'google' is a verb) for a recipe, and I find that a certain company not only makes the stuff but publishes the recipe, too. And then I see the advisory symbols for the product:

RNA Loading Dye advisory sign.

Now, I get the '4°' symbol — that means store in the 'fridge. But what the hell does the cup and saucer mean? 'Go and have a nice cup of tea while you run the gel'?

If you have a better idea, please post your suggestions here.

Comments

Er, you can eat it?

Well, you *could*; but I'd advise against it:
http://www.bath.ac.uk/internal/bio-sci/bbsafe/formamide.htm

Do not store with food or drinks, I'd guess. Although I doubt that's much of a concern as most University EHS offices require you to put a giant "NO FOOD ALLOWED" sign on all your refrigerators.

Or maybe do not use in the presence of food or drinks?

I think it's a verb. Combined with the other symbol, it means 'drink cold'.

Either that or it means 'This reagent is your cup of tea! Buy lots!'

Obviously, I got nothing. Sorry.

If it's meant to be 'non-food' then it should have a cross through it. If it means 'heat to use' or 'OK if it gets hot' (it's formamide; this would not be unreasonable) then seeing as you're only supposed to heat to about 70C, someone needs a lesson in tea-making.

Ha!

*After* sending their support address an email, I finally found what the symbol means in the PDF version of one part of their online catalogue.

And all I'll say is, 'Keep guessing'. Nothing to do with food or drink or H&S.

remember to wear a tophat when you go out in the sun.

Found it. Not exactly obvious though is it?

Well, *there's* half an hour of my life I'm never getting back... if I'm going to download great multi-megabyte chunks of catalogues, I need a faster connection...

Can you just tell us and put me out of my misery???

Oh all right then.


'Ready to use'.


And the bastards never did respond to my email.

Well, that was bloody obvious wasn't it? Not. Do they mean like instant coffee? Actually, I've got no idea what they mean.

Our breakroom fridge (at a certain very large photographic film company) has a prominent sign that says "Food only, no chemicals". I'm tempted to put a sign below that that says "Food is made up of chemicals".

Paul: start labelling your food by chemical composition.

*laugh* - I nearly sprayed a mixture of complex carbohydrate, fruit sugars and casein over my keyboard.

Good site. Thanks!


About the Rat

Black Knight is interested in the interaction of science (as a day job and as a way of thinking) with his family, the wider community and literature. And tormenting students. Frequently polemical, sometimes serious, and hopefully always entertaining more

blackasknight@gmail.com

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