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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 ...
LS Times TV is a Canadian exempt Category B specialty channel (Traditional Chinese: 龍祥頻道, Simplified Chinese: 龙祥频道) owned by Waylen Group (緯麟集團).LS Times TV is a national 24-hour TV station airing current feature films from Hong Kong, China, Taiwan and other Asian countries in their original language with Chinese subtitles, along with Canadian content, and daily news ...
Liquid chromatography–mass spectrometry (LC–MS) is an analytical chemistry technique that combines the physical separation capabilities of liquid chromatography (or HPLC) with the mass analysis capabilities of mass spectrometry (MS). Coupled chromatography – MS systems are popular in chemical analysis because the individual capabilities ...
LCMS: Southern District; LCMS Congregation Directory; Erster Synodal-Bricht des Südlichen Distrikts der deutschen evang.-luth. Synode von Missouri Ohio u. a. Staaten Anno domini 1882-1895; Berhandlunger der eslsten Jahresversammlung des Südlichen Distrikts der deutschen evang.-lutherischen Synode von Missouri, Ohio, und anderen Staaten (1897 ...
Formate is a common C-1 source in living systems. It is formed from many precursors including choline, serine, and sarcosine. It provides a C-1 source in the biosynthesis of some nucleic acids. Formate (or formic acid) is invoked as a leaving group in the demethylation of some sterols. [2]
The Los Angeles Times Syndicate was a print syndication service that operated from c. 1949 to 2000. Owned by the Times Mirror Company , it also operated the Los Angeles Times Syndicate International ; together the two divisions sold more than 140 features in more than 100 countries around the world.
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 ...
Adducts may arise as a consequence of the chemical reaction between a given "physicochemical agent to which an organism is exposed across the lifespan" (sometimes referred to as the exposome). These physicochemical agents can be exogenous in origin, and include ionizing and non-ionizing radiation, the diet, lifestyle factors, pollution, and ...