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13 C NMR Spectrum of DMSO-d 6. Pure deuterated DMSO shows no peaks in 1 H NMR spectroscopy and as a result is commonly used as an NMR solvent. [2] However commercially available samples are not 100% pure and a residual DMSO-d 5 1 H NMR signal is observed at 2.50ppm (quintet, J HD =1.9Hz). The 13 C chemical shift of DMSO-d 6 is 39.52ppm (septet ...
Sharp began writing about the daily New York Times crossword puzzle as practice for a possible website for a comics course. [6] [10] He writes under a pseudonym—Rex Parker, King of CrossWorld—that was originally a nickname invented during a family trip to Hawaii; his real-life identity was outed in 2007.
The New York Times crossword is a daily American-style crossword puzzle published in The New York Times, syndicated to more than 300 other newspapers and journals, and released online on the newspaper's website and mobile apps as part of The New York Times Games.
The New York Times has used video games as part of its journalistic efforts, among the first publications to do so, [13] contributing to an increase in Internet traffic; [14] In the late 1990s and early 2000s, The New York Times began offering its newspaper online, and along with it the crossword puzzles, allowing readers to solve puzzles on their computers.
Deuterated solvents are a group of compounds where one or more hydrogen atoms are substituted by deuterium atoms. These isotopologues of common solvents are often used in nuclear magnetic resonance spectroscopy .
This list may not reflect recent changes. The New York Times Games; C. The New York Times Connections; Harold T. Bers; The New York Times crossword; L. Letter Boxed; S.
For that use it is often deuterated (3-(trimethylsilyl)-2,2,3,3-tetradeuteropropionic acid or TMSP-d 4). [1] Other internal references that are frequently used in NMR experiments are DSS and tetramethylsilane .
William F. Shortz (born August 26, 1952) is an American puzzle creator and editor who is the crossword editor for The New York Times. He graduated from Indiana University with a degree in the invented field of enigmatology. After starting his career at Penny Press and Games magazine, he was hired by The New York Times in 1993.