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Mass spectrometry is a scientific technique for measuring the mass-to-charge ratio of ions. It is often coupled to chromatographic techniques such as gas-or liquid chromatography and has found widespread adoption in the fields of analytical chemistry and biochemistry where it can be used to identify and characterize small molecules and proteins ().
A Swedish daily newspaper in broadsheet format, 1980. Newspaper formats vary substantially, with different formats more common in different countries. The size of a newspaper format refers to the size of the paper page; the printed area within that can vary substantially depending on the newspaper. [1]
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Los Angeles Times Magazine was started in 1985. [4] [5] As with West, the magazine was a weekly supplemental to the Sunday edition of the Los Angeles Times newspaper. In 2006, the Los Angeles Times announced it was resurrecting West magazine, edited by Rick Wartzman, with writer Amy Tan as the literary editor. West replaced the Los Angeles ...
The most important formate ester is methyl formate, which is produced as an intermediate en route to formic acid. Methanol and carbon monoxide react in the presence of a strong base, such as sodium methoxide: [1] CH 3 OH + CO → HCOOCH 3. Hydrolysis of methyl formate gives formic acid and regenerates methanol: HCOOCH 3 → HCOOH + CH 3 OH
These are the results of an overall review of the syndicated comics that The Times publishes, which we promised to readers after printing a “9 Chickweed Lane” strip Dec. 1 that contained an ...
Ion suppression in LC-MS and LC-MS/MS refers to reduced detector response, or signal:noise as a manifested effect of competition for ionisation efficiency in the ionisation source, between the analyte(s) of interest and other endogenous or exogenous (e.g. plasticisers extracted from plastic tubes, [1] mobile phase additives) species which have not been removed from the sample matrix during ...
First issue of a Los Angeles Times suburban section, published on April 6, 1952. The Los Angeles Times suburban sections or zone sections were printed between 1952 and 2001 as adjuncts to the main newspaper to cover the news of and sell advertising space in various parts of Southern California that the Times considered to be in the prime part of its circulation area.