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Zhang Yue - - 2013
Due to the high content (25-50%) of free fatty acid (FFA), crude rice bran oil usually requires a two steps conversion or one step conversion with very harsh condition for simultaneous esterification and transesterification. In this study, chlorosulfonic acid modified zirconia (HClSO3-ZrO2) with strong acidity and durability is prepared and ...
Kimura Kazuyoshi - - 2013
Increasing concentration of histidine significantly increased stearidonic acid production and cell growth in oleaginous Saccharomyces cerevisiae that has been genetically modified by Δsnf2 disruption, DGA1 and Δ6 desaturase gene overexpression, and LEU2 expression. High concentration of histidine in wild-type transformant and HIS3 expression in Δsnf2 transformant also increased stearidonic acid.
Fujii Yukiko - - 2013
Perfluorinated carboxylic acids (PFCAs), including perfluorooctanoic acid (PFOA), are persistent organic pollutants that pose human health risks. However, sources of contamination and exposure pathways of PFCAs have not been explored. In this study, PFCA concentrations were quantified in personal care products. Among 24 samples that listed fluorinated compounds, such as ...
Ng Oon Tek OT Department of - - 2014
Determinants of intersubtype differences in human immunodeficiency virus type 1 (HIV-1) clinical disease progression remain unknown. HIV-1 subtype was independently determined for 5 separate genomic regions in 396 HIV-1 seroconverters from Rakai, Uganda, using a multiregion hybridization assay. Replication capacities (RC) in samples from a subset of 145 of these ...
Yaemsiri Sirin S From the Department of Epidemiology, University of North Carolina, Chapel Hill, NC (S.Y., W.R.R., W.R., K.H.); National Centers for Health Statistics, Centers for Disease Control and Prevention, Hyattsville, MD (S.Y.); Department of Neurology, University of South Carolina, Columbia, SC (S.S.); Fred Hutchinson Cancer Research Center, Seattle, WA (L.F.T.); Department of Epidemiology, University of Pittsburgh, Pittsburgh, PA (R.W.E.); Department of Epidemiology, Albert Einstein College of Medicine, Bronx, NY (S.W.S.); and Department of Epidemiology and Biostatistics, Indiana University, Bloomington, IN - - 2013
Although studies have linked types of fatty acids with coronary heart disease, data on individual fatty acids and risk of ischemic stroke are limited. We aimed to examine the associations between serum fatty acid concentrations and incidence of ischemic stroke and its subtypes. We conducted a prospective case-control study nested ...
Xia Jun Hong - - 2013
Omega-3 fatty acids are essential fatty acids for human health. Therefore, increasing both percentage of omega-3 and a better fatty acid profile in fish fillets is one of the breeding goals in aquaculture. However, it is difficult to increase the omega-3 content in fish fillets, as the phenotypic selection of ...
Mathure Sarika V - - 2014
For the first time, 91 Indian rice (Oryza sativa L.) cultivars, belonging to non-basmati scented (77), basmati (9) and non-scented (5) categories, were quantitatively analysed for 23 headspace volatiles. In addition, the BADH2 marker related to 2-acetyl-1-pyrroline (2AP) synthesis is validated among the cultivars representing these categories. The non-basmati scented ...
Hong Jin Young - - 2013
Fractionation and delignification of empty fruit bunches (EFB) was conducted in a series of two steps under low reaction severity with the aim of minimizing the neutralization of hydrolyzates. In EFB underwent acid fractionation, the glucan content was increased to 62.4%, at which point 86.9% of the hemicellulosic sugar and ...
Høstmark Arne Torbjørn - - 2013
Many health effects of oils rich in oleic acid (18:1 n9) seem to be opposite those of arachidonic acid (20:4 n6), i.e. concerning cardiovascular risk. In recent study in rats we observed that percentages of oleic acid and arachidonic acid were inversely related in total serum lipids. In the present ...
Terao Chikashi C Center for Genomic Medicine, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan. - - 2013
Takayasu arteritis (TAK) is a rare autoimmune arteritis that affects large arteries. Although the association between TAK and HLA-B 52:01 is established, the other susceptibility HLA-B alleles are not fully known. We performed genetic association studies to determine independent HLA-B susceptibility alleles other than HLA-B 52:01 and to identify important ...
Dai Xiayun - - 2013
Our aim was to study whether there is causal association between serum uric acid and metabolic syndrome (MetS). A cross-sectional study was performed, including a total of 27,009 subjects (23,345 subjects having uric acid data) from the Dongfeng-Tongji Cohort study. The MetS was defined by the International Diabetes Foundation criteria ...
Pramanik Subhamay - - 2013
Aggregates of hexaphenylbenzene derivatives 3, having pyrene groups form network of fluorescent nanofibres in presence of mercury ions. Further, fluorescent nanofibres of 3-Hg(2+) supramolecular ensemble exhibit sensitive and pronounced response towards the picric acid. In addition, the solution coated paper strips of 3-Hg(2+) supramolecular ensemble can detect picric acid in ...
Liu Xiaoqing - - 2013
Hybrid systems consisting of nucleic acid-functionalized silver nanoclusters (AgNCs) and graphene oxide (GO) are used for the development of fluorescent DNA sensors, aptasensors, and for the multiplexed analysis of a series of genes of infectious pathogens. Two types of nucleic acid-stabilized AgNCs are used; One type includes the red-emitting AgNCs ...
Caligiani Augusta - - 2013
Different grades of genuine and counterfeit Fraxinus excelsior exudates, marketed as natural sweeteners or mild laxatives, were evaluated for their proximate composition and for saccharidic, organic acids, lipidic and phenolic profile by means of GC-MS and (1)H NMR. Genuine samples contained mannitol (39-48g/100g, according to the grade), fructose (9-16g/100g), glucose ...
Alasalvar Cesarettin - - 2013
Two types of instant teas produced from low- and high-quality black teas were examined for their proximate composition, dietary fiber, minerals, water-soluble vitamins, total phenolic content, various antioxidant assays, phenolics (flavanols, condensed phenolics, and phenolic acids), alkoloids, and carotenoids as well as taste-active compounds (sugars, organic acids, and free amino ...
Qi Hong-Lin - - 2013
An efficient and selective electrosynthesis of phenols and anilines from arylboronic acids in aqueous ammonia is achieved in an undivided cell. By simply changing the concentration of aqueous ammonia and the anode potential, good yields of phenols and anilines can be obtained chemoselectively with high reaction rates. We propose that ...
Shan Qiyuan - - 2013
Glechoma longituba, one of the long-practiced traditional Chinese medicines in history, is still commonly used nowadays in oriental countries. Previous study indicates that phenolic acid and flavonoids have considerable bioactivities, thus, chlorogenic acid, caffeic acid, apigenin-7-O-glucoside and rosmarinic acid were chosen as the marker components for the simultaneous determination to ...
Aydin Ilgin - - 2013
Introduction and Aim: To assess the impact of new alternative solutions to formaldehyde and xylene on tissue processing, 13 different tissue processings were designed and performed on thirteen different tissues by using five different fixatives (formaldehyde, Glyo-Fixx® , FineFix® , Cell-block® , Green-Fix® ) and four different clearing agents (xylene, ...
Gall Markus G - - 2013
A moderately thermostable esterase from Geobacillus stearothermophilus (BsteE) and its homolog from Bacillus subtilis (BsubE) show a high structural similarity with more than 95 % homology and 74 % amino acid identity. Interestingly, their thermal stability differs significantly by 30 °C in their melting temperature. In order to identify the positions that are ...
Zhang Jian - - 2013
There is limited information regarding the intake and status of polyunsaturated fatty acids (PUFA) in Chinese pregnant women with different dietary patterns. We hypothesize that there will be significant differences in long chain n-3 and n-6 PUFA status in pregnant women from 3 regions of China (river/lake, coastal and inland). ...
Pezo Valérie - - 2013
Hereditary information, coded in two bases, can be conveyed to DNA in vivo in the form of cyclohexenyl nucleic acid (CeNA), arabinofuranosyl nucleic acid (AraNA), and hexitol nucleic acid (HNA) messages. It was thus demonstrated that a binary genetic cassette can be used for the title process.
Zong Geng - - 2013
Experimental studies suggest that elevated de novo lipogenesis (DNL) might be involved in the pathogenesis of metabolic disorders. Few prospective studies have been conducted, especially among populations with a high carbohydrate intake, to determine whether DNL fatty acids are associated with the risk of the metabolic syndrome (MetS). We aimed ...
Seo Jungmin - - 2013
A rhodium-catalyzed cyclization using alkynes and arylphosphonic acid monoesters for the synthesis of phosphaisocoumarins is reported. A number of arylphosphonic acid monoesters were selectively cyclized in high yields with functional group tolerance. In addition, unsymmetrical alkynes are applied in high regioselectivity.
Kikukawa Hiroshi - - 2013
A ω3-fatty acid desaturase gene (maw3) which is involved in biosynthesis of n-3 polyunsaturated fatty acids (PUFAs) was previously isolated from Mortierella alpina 1S-4. In this report, we investigated the products of MAW3 catalyzing reaction with endogenous and exogenous fatty acids in the yeast transformant. Two unusual fatty acids de ...
Guo Hui-Hong - - 2013
BACKGROUND: Xanthoceras sorbifolia Bunge is a valuable oilseed tree that has linoleic acid-rich seed oil. Microsomal oleate desaturase (FAD2; EC 1.3.1.35) is responsible for the conversion of oleic acid to linoleic acid during fatty acid synthesis. In this study, XsFAD2 was cloned from developing embryos of X. sorbifolia. RESULTS: XsFAD2 ...
Wang Min - - 2013
A superhydrophobic catalyst was prepared by immobilizing Pt nanoparticles on superhydrophobic organic-inorganic hybrid silicas, which showed high activity and selectivity in the oxidation of aliphatic alcohols to carboxylic acids.
Weyland M - - 2013
Plasmid DNA (pDNA) and small interfering RNAs (siRNAs) are very useful tools for the treatment of cancer. However, pDNA and siRNAs efficacy is restricted by their negative charge and susceptibility to degradation by endonucleases that prevent them penetrating tissue and cellular barriers such as the plasma and endolysosomal membranes. Viral ...
Li Xiao-Wei - - 2013
INTRODUCTION: Aristolochic acids (AAs) are naturally occurring nephrotoxicants and human carcinogens. Aristolochic acid I (AA-I) and aristolochic acid II (AA-II) are two important AAs with clear toxicity. OBJECTIVE: To obtain a monoclonal antibody (MAb) recognising AA-I and AA-II and develop an Eastern blotting technique for the specific visualisation and easy ...
Chen Qian - - 2013
Chiral N-tert-butylsulfinyl vinyl aziridine ligands prepared from a readily available (R)-tert-butanesulfinamide have been applied in the rhodium-catalyzed asymmetric 1,4-addition of aryl boronic acids to cyclic enones, which gives high yields and excellent enantioselectivities.
Wu Zhisheng - - 2013
Two nonfluorescent and colorless chemodosimeters featuring benzothiazoline moiety were developed for chromo-fluorogenic detection of HOCl.
Quiazon Karl Marx A - - 2013
It remains unclear whether allergens are the same among the sibling species of Anisakis simplex sensu lato. This study was carried out to compare the amino acid sequences of three major (Ani s 1, 2 and 12) and one minor (Ani s 9) Anisakis allergens between A. simplex s.s. and ...
Zhang K Y - - 2013
HLA-A*02:145 differs from HLA-A*02:02:01:01 by the amino acid exchange at position 153 Ala changes to Val.
Vaz Juliana S - - 2013
OBJECTIVE: To estimate the prevalence of suicide risk (SR) and major depressive episodes (MDEs) in early pregnancy, as well as the relationship of serum fatty acid status to these outcomes. METHODS: Cross-sectional analyses were performed on data from 234 pregnant women enrolled in a prospective cohort study in Rio de ...
Funke Mario - - 2013
8-Amido-chromen-4-one-2-carboxylic acid derivatives were identified as novel agonists at the G protein-coupled orphan receptor GPR35. They were characterized by a β-arrestin recruitment assay, and optimized to obtain agonists with nanomolar potency for the human GPR35. The compounds were found to exhibit high selectivity versus the related GPR55. The most potent ...
Aladedunye Felix - - 2013
The influence of linoleic acid content and tocopherol isomeric composition on the frying performance of high oleic sunflower oil was evaluated during a 14-day restaurant style frying operation. At equal linoleic acid content, no significant difference was observed between high oleic sunflower oil containing only α-tocopherol and the sample containing ...
González-Arenzana Lucía - - 2013
Lactic acid bacteria populations of red wine samples from industrial fermentations, including two different vinification methods were studied. For this investigation, polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE) analysis was employed to supplement previous results that were obtained by culture-dependent methods. PCR-DGGE was aimed to study two targeted genes, 16S ...
Xin Xiu-Lan - - 2013
The biotransformation of osthole (1) by Alternaria longipes was carried out, and five transformed products were obtained in the present research work. Based on their extensive spectral data, the structures of these metabolites were characterized as 4'-hydroxyl-osthole (2), 4'-hydroxyl-2',3'-dihydroosthole (3), 2',3'-dihydroxylosthole (4), osthole-4'-oic acid methyl ester (5), and osthole-4'-oic acid ...
Visiedo Francisco - - 2013
Aim/hypothesis: Placenta of women with gestational diabetes mellitus (GDM) exhibits an altered lipid metabolism. The mechanism by which GDM is linked to alterations in placental lipid metabolism remains obscure. We hypothesized that high-glucose levels reduce mitochondrial fatty acid oxidation (FAO) and increase triglyceride accumulation in human placenta. Methods: To test ...
Rastogi Shubhra - - 2013
Biosynthesis of eugenol is shared with lignin at the initial steps, involving conversion of hydroxycinnamic acids to their corresponding CoA esters by 4-coumarate: CoA ligases (4CLs). In this investigation, a 4CL (OS4CL) was identified from glandular trichome rich tissue of Ocimum sanctum sharing high sequence similarity to an isoform (OB4CL_ctg4) ...
Liu Ying - - 2013
A novel and efficient method for the construction of α-(1,3-dithiolan-2-ylidene) δ-lactam and δ-lactone rings has been developed. It involves the regiospecific 6-endo-annulation of in situ generated 2-(1,3-dithiolan-2-ylidene)-3,4-dienamides/acids from the dehydrative coupling of α-oxo ketene dithioacetals with tertiary propargyl alcohols promoted by BF3·Et2O. A range of α-(1,3-dithiolan-2-ylidene) δ-lactams and δ-lactones are ...
Sivakumar Sathiyamoorthi - - 2013
The 1,3-dipolar cycloaddition of azomethine ylides generated in situ from acenaphthenequinone and α-amino acids viz. 1,3-thiazolone-4-carboxylic acid and piperidine-2-carboxylic acid to a series of 1-methyl-3,5-bis[(E)-arylmethylidene]tetrahydro-4(1H)-pyridinones afforded novel spiro[5.2″]acenaphthene-1″-onespiro[6.3']-5'-arylmethylidene-1'-methylpiperidin-4'-one-7-aryltetrahydro-1H-pyrrolo[1,2-c][1,3]thiazoles and spiro[2.2″]acenaphthene-1″-onespiro[3.3']-5'-arylmethylidene-1'-methylpiperidin-4'-one-4-aryloctahydroindolizines respectively in quantitative yields. These compounds were evaluated for their AChE inhibitory activity and compound 3c was found to be ...
Li Yuan - - 2013
In this study, we show that Sporolactobacillus laevolacticus DSM442 can produce d-lactate by using cottonseed as the sole nitrogen source. The cottonseed was enzymatically hydrolyzed and simultaneously utilized during d-lactate fermentation. Under optimal conditions, a high d-lactic acid concentration (144.4g/L) was obtained in a fed-batch fermentation within 35h, with an ...
Park Jeesook - - 2013
A colorimetric and ratiometric fluorescent probe consisting of a boron-dipyrromethene (BODIPY) dye conjugated with a 2-dicyanomethylene-3-cyano-2,5-dihydrofuran (DCDHF) group has been designed for the selective and sensitive detection of HOCl/OCl(-)via oxidative cleavage of an alkene linker between BODIPY and DCDHF.
Wolf Magnus - - 2013
Context:Acylcarnitines are biomarkers of incomplete β-oxidation and mitochondrial lipid overload but indicate also high rates of mitochondrial fatty acid oxidation. It is unknown whether the production of acylcarnitines in primary human myotubes obtained from lean, metabolically healthy subjects reflects the fat oxidation in vivo.Objective:Our objective was to quantify the acylcarnitine ...
Rodriguez-Colinas Barbara - - 2013
The in vitro fermentation of several purified galacto-oligosaccharides (GOS), specifically the trisaccharides 4'-galactosyl-lactose and 6'-galactosyl-lactose and a mixture of the disaccharides 6-galactobiose and allolactose, was carried out. The bifidogenic effect of GOS at 1 % (w/v) was studied in a pH-controlled batch culture fermentation system inoculated with healthy adult human faeces. ...
Mayer Helmut K - - 2013
A rapid ultra-high performance liquid chromatography (UHPLC) protocol for the determination of amino acids as their respective 6-aminoquinolyl-N-hydroxysuccinimidyl carbamate (AQC) derivatives was successfully applied for assessing free amino acid levels in commercial cheese samples representing typical product groups (ripening protocols) in cheesemaking. Based on the Waters AccQ.Tag™ method as a ...
Hu Xiang-Yu - - 2013
To improve the anti-tumor effects of gallic acid and mangiferin, a gallic acid-mangiferin hybrid molecule (GA-MA) was synthesized from gallic acid and mangiferin in the presence of ionic liquid ChC1·2SnC12. Chemical and spectroscopic methods, such as 1H and 13C NMR spectroscopy, and HR-ESIMS were used for the structure identification of ...
Song Yan - - 2013
Dietary factors, including dietary fat, may affect the biological aging process, as reflected by the shortening of telomere length (TL), by affecting levels of oxidative stress and inflammatory responses. We examined the direct relations of total and types of dietary fats and fat-rich foods to peripheral leukocyte TL. In 4029 ...
Sabetta Wilma - - 2013
The ω-3 fatty acid desaturases (FADs) are enzymes responsible for catalyzing the conversion of linoleic acid to α-linolenic acid localized in the plastid or in the endoplasmic reticulum. In this research we report the genotypic and phenotypic variation of Italian Olea europaea L. germoplasm for the fatty acid composition. The ...
Nieminen Petteri - - 2013
Poikilothermic organisms often modify their tissue fatty acids (FA) in response to cold exposure by increased unsaturation. In insects, this has been found to be accompanied by increases in the activities or mRNA expression of desaturase enzymes. In the present study, the FA composition of an obligatory ectoparasite, the deer ...
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