---------------------- Forwarded by Christopher S Boyce/BII on 02/05/99 09:06 AM --------------------------- "MosimV" <MosimV@email.msn.com> on 02/03/99 05:25:41 PM To: cyto-inbox cc: (bcc: Christopher S Boyce/BII) Subject: Re: Fluorescent material for student lab In response to Margaret's question: >I have designed a student lab to illustrate the necessity for precautions >while handling hazardous material. I am after a (harmless) liquid reagent, >which looks unremarkable under room light, but will fluoresce under UV >light. The idea is that the students perform various manipulations, and at >the end, we shine UV light around to show them how much spillage they've >had, and how their books, faces etc are likely to be contaminated. I got >the idea from a radiactive safety video, but am having trouble finding a >suitable liquid. Any ideas? Don't ask me why I know this, but there is actually a company that sell such a product, in a kit form. It's called Glo Germ, and is used to demonstrate the importance of handwashing, etc. It is essentiall a liquid product, oil based I think, that contains little UV beads which illuminate with weak UV excitation. They have a pretty good web site at www.glogerm.com if you want more info. Hope this helps! Viki Mosiman Some ordinary laundry detergents (like the brand "All") which have brighteners in the solution, will fluoresce under black (near UV) and UV light. Give it a try. It is inexpensive, and you can play with lots of it, spilling it about, pouring in tubes, it is viscous, and sometimes a challenge to handle. Be sure to pick a detergent that claims to be a non-bleaching whitener (brightener). Yes our laundry detergents can make us glow. Chrsitopher Boyce Hybritech San Diego, CA
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