March 2015 Tech Guide: Microbiology Mar 30, 2015 | Microbiology | CLP’s March 2015 Tech Guide features a range of microbiology instruments and assays from vendors such as AdvanDx, Beckman Coulter, Randox Biosciences, and Roche Diagnostics. The file is available as a downloadable PDF. If you do not have Adobe Acrobat, you can download it for free from Adobe.