This page contains information on the use of wikis for knowledge transfer, related to an article on Knowledge Transfer for Scientific Research Establishments:
An open source reference on 'Useful Chemicals': http://usefulchem.wikispaces.com/
A description of an open lab book (kept as a group blog): http://drexel-coas-elearning-transcripts.blogspot.com/2006/03/peer-review-in-google-age-bradley.html
An entry from the group blog: http://usefulchem-experiments1.blogspot.com/2006/02/exp-001.html#links