High levels of carbonaceous aerosol exist over South Asia, the area adjacent to the Himalayas and Tibetan Plateau. Little is known about if they can be transported across the Himalayas, and as far inland as the Tibetan Plateau. As important constituents of aerosols, organic acids have been recognized as unique fingerprints to identify the atmospheric process. Here we measured dicarboxylic acids...

Urine from patients with ketoacidosis was found to contain a number of aliphatic 3-hydroxy dicarboxylic acids. The acids were purified by silicic acid chromatography and their structures determined by gas chromatography-mass spectrometry of different derivatives. The major compound was 3-hydroxydecanedioic acid. Minor compounds were 3-hydroxyoctanedioic acid, 3-hydroxyoctenedioic acid, 3-hydrox...

clinical differential diagnosisthe organic acidemias are important in the differential diagnosis of metabolic and neurologic derangement in the neonate and of new-onset neurologic signs in the older child. a-organic aciduriaseveral disorders, not classified as primary disorders of organic acid metabolism, have a characteristic urinary organic acid profile that suggests the appropriate diagnosis...

245 words Tables: 6 Figures: 14 Abbreviations: ACh: acetylcholine; AMPA: -Amino-3-hydroxy-5-methyl-4isoxazolepropionic acid; DHPG: 3,4-Dihydroxyphenylglycine; DOPAC: 3,4Dihydroxyphenylacetic acid; GABA: gamma aminobutyric acid; 5-HT: 5-hydroxytryptamine or serotonin; 5-HIAA: 5-hydroxyindolacetic acid; LY341495: (2S)-2-amino-2-[(1S,2S)-2-carboxycycloprop-1-yl]-3-(xanth-9-yl) propanoic acid; mGl...

Abstract Invited for this month's cover picture is the group of synthetic and physical chemists from Czech Academy Sciences. The shows electrochemical dechlorination polychlorinated derivatives bicyclo[1.1.1]pentane‐1,3‐dicarboxylic acid. Read full text Article at 10.1002/celc.202100372 .

The title compound, C(26)H(38)O(6)·H(2)O, is a mono-ester of a derivative of maleopimaric acid, an abietic-type acid. The two fused and unbridged cyclo-hexane rings adopt approximate chair conformations while the three other three six-membered rings have boat conformations.

245 words Tables: 6 Figures: 14 Abbreviations: ACh: acetylcholine; AMPA: -Amino-3-hydroxy-5-methyl-4isoxazolepropionic acid; DHPG: 3,4-Dihydroxyphenylglycine; DOPAC: 3,4Dihydroxyphenylacetic acid; GABA: gamma aminobutyric acid; 5-HT: 5-hydroxytryptamine or serotonin; 5-HIAA: 5-hydroxyindolacetic acid; LY341495: (2S)-2-amino-2-[(1S,2S)-2-carboxycycloprop-1-yl]-3-(xanth-9-yl) propanoic acid; mGl...

[1] Computation of phase and chemical equilibria of water-organic-inorganic mixtures is of significant interest in atmospheric aerosol modeling. A new version of the phase partitioning model, named UHAERO, is presented here, which allows one to compute the phase behavior for atmospheric aerosols containing inorganic electrolytes and organic compounds. The computational implementation of the mod...