Bottle Contamination? No, but cool Yeast Pics!

Hi everyone, this is my first post here and I have to say that this site has really helped me get my homebrewing off the ground. I bottled what is now my 6th brew about 2 weeks ago, a belgian wit and i noticed a good amount of white pricipitate in the bottom that easily floats up when the bottle is disturbed. I was worried about contamination as none of my previous brews had this problem. I'm a PhD student in a cell biology lab so I decided to take the stuff to work to see what it was. Turns out its mostly protein and sugar, probably precipiated late after I introduced the finings (does this happen to anyone else when they use finings to clear?). Long story short I looked at the stuff under the microscope for bacteria and saw none, but I did get some rockin' pictures of our little yeast friends S. cerevisiae. Enjoy!

Picasa Web Albums - Fred - Lab Pics

 

Cool pics. Wish I had access to gear like that

 

what power did you have to use on the scope to get those pictures?

 

Thanks. It was at 100X and you use an oil immersion to get a good crisp view. Had one of the beers last night too and it tasted fantastic, so I guess my science isn't half bad

 

Nice pics! A gram stain would be useful for this kind of thing too.

Or just a nucleic acid stain. As long as it's confined to the nucleus, it ain't bacterial.