CORRECTION: This story was updated on April 21, 2016, to clarify that the method described was not the first radical-based route to chiral quaternary carbon centers. The method is the first route ...
Their critical review details how quaternary ammonium compounds (QACs) are increasingly marketed and used in home, healthcare, education, and workplace settings despite the availability of safer ...
New research conducted at Iowa State University led to the successful creation of a detailed Quaternary geological map for the Des Moines Lobe with a user-controlled level of scale, with the results ...
Oceanography, Vol. 24, No. 3, The Changing Arctic Ocean: SPECIAL ISSUE ON THE INTERNATIONAL POLAR YEAR (2007–2009) (SEPTEMBER 2011), pp. 52-64 (13 pages) ABSTRACTThis paper reviews current knowledge ...
Twin sisters Briana and Brittany Deane married twin brothers Josh and Jeremy Salyers, resulting in two respective offspring that doctors describe as quaternary twins. salyerstwins These identical twin ...
Quaternary ammonium salts comprise the active ingredients in fabric softener, the cost and performance of which can be assessed only by determining their presence with accuracy. This Application Note ...
In a recent study posted to the bioRxiv* preprint server, researchers evaluated the antimicrobial efficiency of two commercially available disinfectants containing quaternary ammonium compounds ...
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