Dicarboxylic acids
Summer and winter variations of dicarboxylic acids, fatty acids and benzoic acid in PM<sub>2.5</sub> in Pearl Delta River Region, China
... ranged from 31 to 1035 ng m −3 (260 ± 213 ng m −3 , on aver- age), which are within the range of the values we reported in the same sampling sites in Hong Kong (Ho et al., 2007). The predominance of oxalic acid was ...
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Size distributions of dicarboxylic acids, ketoacids, α-dicarbonyls, sugars, WSOC, OC, EC and inorganic ions in atmospheric particles over Northern Japan: implication for long-range transport of Siberian biomass burning and East Asian polluted aerosols
... Dicarboxylic acids and sugars are two major compound classes that significantly contribute to water-soluble organic carbon (WSOC) in aerosol particles (Simoneit et ...boxylic acids are mainly ...
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Dicarboxylic acids, ketocarboxylic acids, α-dicarbonyls, fatty acids and benzoic acid in PM<sub>2.5</sub> aerosol collected during CAREBeijing-2007: an effect of traffic restriction on air quality
... health. Dicarboxylic acids (diacids) are the most abundant organic compounds in OA, which can be derived from primary emissions and/or sec- ondary formation from different precursor species via ...
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High abundances of water-soluble dicarboxylic acids, ketocarboxylic acids and α-dicarbonyls in the mountain aerosols over the North China Plain during wheat burning season
... small dicarboxylic acids and related polar compounds are highly water- soluble and abundant in atmospheric aerosols, they can significantly enhance the hy- groscopicity of the ...boxylic acids affect ...
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Dicarboxylic acids, oxoacids, benzoic acid, α-dicarbonyls, WSOC, OC, and ions in spring aerosols from Okinawa Island in the western North Pacific Rim: size distributions and formation processes
... (dicarboxylic acids, fatty acids, and levoglucosan) in marine aerosols over the western Pacific and off the coast of East Asia: continental outflow of organic aerosols during the ACE-Asia campaign, ...
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Distributions of low molecular weight dicarboxylic acids, ketoacids and α-dicarbonyls in the marine aerosols collected over the Arctic Ocean during late summer
... of dicarboxylic acids have been reported to increase from winter to spring with maxima at polar sunrise in spring due to photochemical production and then decrease toward the summer (Kawamura et ...boxylic ...
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Síntese de poliésteres de ácidos dicarboxílicos e 1,4-butanodiol catalisada por lipase B de Candida antarctica / Feel of polyesters of dicarboxylic acids and 1,4-butanediol catalyzed by lipase B of Candida antarctica
... Influência da concentração de enzima (Novozym®435) na conversão dos grupos carboxila na reação de esterificação do ácido succínico e 1,4-butanodiol a 90 o C. Influência da[r] ...
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Spectroscopic study of the Eu3+, Tb3+ and Gd3+ complexes with ligands derived from dicarboxylic acids.
... Esse proces- so de conversão de luz, chamado de efeito antena, envolve a absor- ção de radiação ultravioleta através dos ligantes, que atuam como “antenas”, a transferência de energia do[r] ...
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Thermodynamic properties and cloud droplet activation of a series of oxo-acids
... organic dicarboxylic acids (Gao et ...for dicarboxylic acids (Riss- man et ...for dicarboxylic acids, mainly anthropogenic, but also biogenic sources and sec- ondary production ...
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Historic records of organic compounds from a high Alpine glacier: influences of biomass burning, anthropogenic emissions, and dust transport
... carboxylic acids and ion chro- matography for short-chain ...carboxylic acids and dicarbonyls, as well as their source apportionment, are reported for western ...long-chain dicarboxylic acids ...
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Concentrations and stable carbon isotope compositions of oxalic acid and related SOA in Beijing before, during, and after the 2014 APEC
... Dicarboxylic acids are the major class of SOA species in the atmosphere and ubiquitously found from the ground surface to the free troposphere (Fu et ...organic acids including dicarboxylic ...
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Evaluation of anthropogenic secondary organic aerosol tracers from aromatic hydrocarbons
... This study evaluates, for the first time, the influence of the source specificity, ambient concentration, and gas–particle partitioning on the efficacy of the use of nitromonoaromat- ics, benzene dicarboxylic ...
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Chemical Characterization and Antioxidant Potential of Wild Ganoderma Species from Ghana
... fatty acids (SFA), monounsaturated fatty acids (MUFA) and polyunsaturated fatty acids (PUFA) are shown in Table ...fatty acids were quantified in Ganoderma strain LS6 while 21 were quantified ...
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Amino acids in Arctic aerosols
... amino acid sources including volcanism and local fire activity, as previously described in this paper. Phe, Met, Asn, Asp, Cys and MetSO were <LOD in more than a half of the cases and therefore we excluded these amino ...
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Search for mycosporine-like amino acids and fatty acids in Isochrysis galbana and Nannochloropsis gaditana
... fatty acids. The accurate quantification of fatty acids in biological samples depends on proper extraction, methylation of fatty acids into FAMEs, optimized GC run conditions and calculation of their ...
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Captura, adaptação, reprodução e perfil de aminoácidos e ácidos graxos de ovos e larvas de pacamã (Lophiosilurus alexandri)
... lipids were separated using adsorption chromatography on silica cartridges (Sep-Pack, Waters S.A., Milford, MA, USA) as described by Juaneda and Rocquelin (1985). Fatty acid methyl esters were obtained using ...
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Rev. Nutr. vol.30 número6
... Ten nutrients (calcium, potassium, iodine, riboflavin, pantothenic acid, biotin, vitamin D, vitamin E, monounsaturated fatty acids and polyunsaturated fatty acids) were below the rec[r] ...
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Development of the nutraceutical and pharmaceutical applications of plants selected from Portugal and Iran with presumptive health potentials
... 96 sitosterol is a major plant sterol which arranges cholesterol levels in blood and is considered as an anti-atherogenic, hypoglycaemia and anti-asthmatic agent. β- sitosterol was also found to be effective in ...
290
Elevated amniotic fluid amino acid levels in fetuses with gastroschisis
... amino acids might cause changes in amniotic fluid amino acid concentrations in pregnancies involving fetuses with gas- ...amino acids in amniotic ...
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Rev. bras. farmacogn. vol.23 número4
... fatty acids (MUFA) predominating in the studied brown macroalgae contain 16 or 18 carbons (Table ...fatty acids since they contain EPA and some also contain DHA (Table ...
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