The Lactose Intolerance Clearinghouse Has Moved.

My old website can be found at www.stevecarper.com/li I am no longer updating the site, so there will be dead links. The static information provided by me is still sound.

For quick offline reference, you can purchase Planet Lactose: The Best of the Blog as an ebook on Smashwords.com or Amazon.com or BarnesandNoble.com or a whole lot of other places that Smashwords is suppose to distribute the book to. Almost 100,000 words on LI, allergies, milk products, milk-free products, and the genetics of intolerance, along with large helpings of the weirdness that is the Net.

I suffer the universal malady of spam and adbots, so I moderate comments here. That may mean you'll see a long lag before I remember to check the site and approve them. Despite the gap, you'll always get your say. I read every single one, and every legitimate one gets posted.


Sunday, March 30, 2008

Your Guess Is As Good As Mine

I have absolutely no idea what is being said here, but congratulations to newly minted PhD, Jeremy Stewart MacLeod.

Jeremy Stewart McLeod - Doctor of Philosophy in Bioprocess Engineering

Dr McLeod focused on the nucleation and growth kinetics of alpha lactose monohydrate. Lactose represents about one-third of the solids in cows' milk, and is recovered using crystallisation.

A model has been produced that can predict the changing concentration profile as lactose crystallises from an industrial solution. The primary nucleation of alpha lactose monohydrate was investigated, including identifying the changing relationship as lactose nucleation moves from being dominated by the heterogeneous mechanism to homogenous mechanism.

The effect of mixing was studied using a Rushton turbine and a Venturi to agitate the system. Increasing agitation increased the frequency of activated molecular collisions, but the critical nucleus size remained constant. A strong correlation was found, for both mixing systems, between the nucleation rate and the frequency of vortex shredding.

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