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Aldrich's chemicals catalog, the "Aldrich Catalog and Handbook" is often used as a handbook due to the inclusion of structures, physical data, and literature references. The Sigma Logo. Sigma is the Sigma-Aldrich's main biochemical supplier, with offerings including antibiotics , buffers , carbohydrates , enzymes , forensic tools , hematology ...
Durcupan is a water-soluble epoxy resin produced by the Fluka subsidiary of Sigma-Aldrich. It is commonly used for embedding electron microscope samples in plastic so they may be sectioned (sliced thin) with a microtome and then imaged. [1] [2] [3] Durcupan is notable for refractive index n D 20 of 1.654, which is a very high value for epoxy ...
FLUKA (FLUktuierende KAskade) is a fully integrated Monte Carlo simulation package for the interaction and transport of particles and nuclei in matter. [2] [3] ...
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As of 1995, this issue might still exist. According to a survey of catalogs from various chemical companies including Merck, Fluka, BDH, Aldrich, and Sigma, only the alpha-melibiose was available. Beta-melibiose is in fact an epimer of alpha-melibiose. However, since when in solution, alpha- and beta-melibiose rapidly convert to each other ...
After gaining weight during the Covid-19 pandemic, Harvey Fierstein says that he’s now lost 120 lbs., — all thanks to weight-loss medication. In typically irreverent Fierstein fashion, the ...
The Fundamental-Catalog (FC) was compiled by Auwers and published in two volumes. The first volume, published in 1879, contains 539 stars. The second volume, published in 1883, contains 83 stars from the southern sky. [1] The Neuer Fundamentalkatalog (NFK) was compiled by J. Peters and contained 925 stars. [1]