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UPDATED A Microscopical Study of Exotic Animal Hair: Part 1 Kristen D. Partin, McCrone Associates, Westmont, IL 10/23/2003 (updated 7/7/2004) " The wild animal realm is one in which a microscopist may never even think to focus on. Brookfield Zoo, Brookfield, IL, is the home to numerous exotic animals from all over the world. A collection of animal hairs from an array..." more

Spectral Comparison of Commercial and Synthesized Tyrian Purple Darlene Florence, McCrone Associates, Westmont, IL and Elmhurst College, Elmhurst, IL 11/18/2003 " A rare and expensive dye of antiquity, Tyrian purple, extracted from a marine mollusk, was used nearly exclusively by kings, noblemen, judges and high-ranking officials.  Characterization by FTIR and Raman spectroscopy provides a basis for future comparison of samples..." more

Microscopical Evaluation of Glass Delamination In Pharmaceutical Vials: A Look at Three Different Vial Manufacturers Kristie J. Diebold, McCrone Associates, Westmont, IL 10/20/2003 "Delamination is defined as separation into constituent thin layers (lamellae).  Glass delamination, which can have several causes, could then be defined as a separation of surface glass, as from a vial, into thin layers resulting in a flaky appearance.  Pitting..." more

Contaminant Identification in Pharmaceutical Products Gretchen L. Shearer, Ph.D., McCrone Associates, Westmont, IL 10/16/2003 " This article is republished from The Microscope, Vol 51:1, 3-10 (2003) Abstract Most pharmaceutical products are specified to be essentially free of visible particles and there are limits on the number of subvisible particles..." more

McCrone Microscopes & Accessories: The Microscopist's Partner- A Historical Perspective Charles A. Zona, Director of Education, Hooke College of Applied Sciences, Westmont, IL Bonnie L. Betty, McCrone Associates, Westmont, IL 10/9/2003 " Abstract   The Instruments Division of McCrone Associates was formed in the early 1960’s by Dr. Walter C. McCrone, who wanted to offer industrial microscopists a single source for their microscope accessories and supplies, rather than purchasing them through..." more