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Sbihi Hassen Mohamed HM King Saud Univ, College of Science, Chemistry Dept, P.O. BOX 2454, Riyadh 1145, Saudi - - 2014
Seed oils with high polyunsaturated fatty acid content are used in various industries including the food and pharmaceutical industries. White mahlab (Prunus mahaleb L.) seed was found to contain 31% oil. The oil was highly polyunsaturated and abundant in α-eleostearic (38.32%), oleic (31.29%), and linoleic (22.96%) acids, which together comprised ...
Badenhorst Christoffel Petrus Stephanus CP Biochemistry Division, Centre for Human Metabonomics, North-West University , Potchefstroom , South - - 2014
Abstract A number of endogenous and xenobiotic organic acids are conjugated to glycine, in animals ranging from mosquitoes to humans. Glycine conjugation has generally been assumed to be a detoxification mechanism, increasing the water solubility of organic acids in order to facilitate urinary excretion. However, the recently proposed glycine deportation ...
Astakhova I Kira IK Nucleic Acid Center, Department of Physics, Chemistry and Pharmacy, University of Southern Denmark , Campusvej 55, DK-5230 Odense M, - - 2014
Conspectus Incorporation of chemically modified nucleotide scaffolds into nucleic acids to form assemblies rich in function is an innovative area with great promise for nanotechnology and biomedical and material science applications. The intrinsic biorecognition potential of nucleic acids combined with advanced properties of the locked nucleic acids (LNAs) provide opportunities ...
Lorente José J IBMC-JBT Corp., FoodTech R&D Alliance, Instituto de Biología Molecular y Celular, Universidad Miguel Hernández (UMH) - Campus de Orihuela, Carretera de Beniel km 3.2, 03312 Orihuela, Alicante, - - 2014
To contribute for setting reference guideline for commercial juice extracted from the Spanish lemon varieties, chemical composition of 92 direct and 92 reconstituted samples were investigated. In direct lemon juice, titratable acidity was 52.4g/L, being the citric acid the main component. Glucose, fructose and sucrose concentrations were 7.9, 7.3 and ...
Sun Li-Jun LJ Institute of Analytical Chemistry for Life Science, School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, Jiangsu 226019, People's Republic of - - 2014
Detection of phytohormones in situ has gained significant attention due to their critical roles in regulating developmental processes and signaling for defenses in plants at low concentration. As one type of plant hormones, salicylic acid has recently been found to be one of pivotal signal molecules for physiological behaviors of ...
Tiboni Marcela M Department of Pharmacy, Federal University of Paraná (UFPR), Curitiba, PR, 80210-170, - - 2014
Ligno(hemi)cellulosics (L(h)Cs) as sugarcane bagasse and loblolly pine sawdust are currently being used to produce biofuels such as bioethanol and biobutanol through fermentation of free sugars that are often obtained enzymatically. However, this bioconversion requires a pretreatment to solubilize the hemicellulose fractions, thus facilitating the action of the cellulolytic enzymes. ...
Xie Neng-Zhong NZ State Key Laboratory of Non-food Biomass Energy and Enzyme Technology, National Engineering Research Center for Non-food Biorefinery, Guangxi Academy of Sciences, Nanning 530007, Guangxi, People's Republic of - - 2014
Muconic acid (MA), a high value-added bio-product with reactive dicarboxylic groups and conjugated double bonds, has garnered increasing interest owing to its potential applications in the manufacture of new functional resins, bio-plastics, food additives, agrochemicals, and pharmaceuticals. At the very least, MA can be used to produce commercially important bulk ...
Calce Enrica E Institute of Biostructures and Bioimaging, National Research Council, 80134 Naples, - - 2014
Several pectin derivatives were prepared by chemical modifications of the polysaccharide with natural fatty acids. The obtained biodegradable pectin-based materials, pectin-linoleate, pectin-oleate and pectin-palmitate, were investigated for their antimicrobial activity against several bacterial strains, Staphylococcus aureus and Escherichia coli. Good results were obtained for pectin-oleate and pectin-linoleate, which inhibit the ...
López Garzón Camilo S CS Delft University of Technology, Department of Biotechnology, Julianalaan 67, 2628 BC Delft, the - - 2014
Carboxylic acids such as citric, lactic, succinic and itaconic acid are useful products and are obtained on large scale by fermentation. This review describes the options for recovering these and other fermentative carboxylic acids. After cell removal, often a primary recovery step is performed, using liquid-liquid extraction, adsorption, precipitation or ...
Neerathilingam Muniasamy M Institute of Molecular Medicine, The University of Texas Health Sciences Centre at Houston, 1825 Pressler Street, Houston, TX 77030, U.S.A; Centre for Cellular and Molecular Platforms, NCBS-TIFR, GKVK Post, Bellary Road, Bangalore 560065, India. Electronic address: - - 2014
Inclusion bodies (IBs) are commonly formed in E.coli during over expression of recombinant proteins in non-native state. Isolation, denaturation and refolding of these IBs is generally practiced to obtain functional protein. However, along this process IBs tend to form non-specific interactions with sheared nucleic acids from the genome, thus getting ...
Pradhan Tuhin T Department of Chemistry, Korea University, Seoul 130-701, Korea. - - 2014
In the past few decades, the development of chemosensors for neurotransmitters has emerged as a research area of significant importance, which attracted a tremendous amount of attention due to its high sensitivity and rapid response. This current review focuses on various neurotransmitter detection based on fluorescent or colorimetric spectrophotometry published ...
Napora-Wijata Kamila K ACIB GmbH, Graz, - - 2014
An increasing demand for non-petroleum-based products is envisaged in the near future. Carboxylic acids such as citric acid, succinic acid, fatty acids, and many others are available in abundance from renewable resources and they could serve as economic precursors for bio-based products such as polymers, aldehyde building blocks, and alcohols. ...
Yang Chen - - 2014
The pKa values of a series of chiral Bronsted acids, including N-triflylphosphoramides, bis(sulfonyl)imides, bis(sulfuryl)imides, dicarboxylic acids, sulfonic acids, and N-phosphinyl phosphoramides, were predicted by using the SMD/M06-2x/6-311++G(2df,2p)//B3LYP/6-31+G(d) method in DMSO. The results revealed that the calculated pKa values were from -9.06 to 12.18 for different type acids. By using the ...
Kristiana Ina I Curtin Water Quality Research Centre, Department of Chemistry, Curtin University, Kent Street, Bentley 6102, Perth, Australia. Electronic address: - - 2014
The formation of disinfection by-products (DBPs) is a public health concern due to their potential adverse health effects. Robust and sensitive methods for the analysis of DBPs, as well as appropriate sample handling procedures, are essential to obtain accurate, precise and reliable data on DBP occurrence and formation. In particular, ...
Erb William W Laboratoire de Chimie Moleculaire et Thio-organique, ENSICAEN, Universite de Caen, 6 boulevard du Marechal Juin, 14050 Caen - - 2014
An unprecedented spontaneous reactivity between diazonium salts and diboronic acid has been unveiled, leading to a versatile arylboronic acid synthesis directly from (hetero)arylamines. This fast reaction (35 min overall) tolerates a wide range of functional groups and is carried out under very mild conditions. The radical nature of the reaction mechanism ...
Guy Alexandre A Institut des Biomolécules Max Mousseron,UMR 5247 - CNRS - University Montpellier I and II - ENSCM, Faculty of Pharmacy, Montpellier (France), Fax: - - 2014
A wide variety of metabolic products of polyunsaturated fatty acids is of paramount importance for improving our medical knowledge in the field of oxidized lipids. Two novel metabolites of n-3 polyunsaturated fatty acids, 8-F3t -IsoP and 10-F4t -NeuroP as well as a deuterated derivative thereof were synthesized based on an ...
Pinheiro Vitor B VB MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge, CB2 0QH, - - 2014
Nucleic acids display remarkable properties beyond information storage and propagation. The well-understood base pairing rules have enabled nucleic acids to be assembled into nanostructures of ever increasing complexity. Although nanostructures can be constructed using other building blocks, including peptides and lipids, it is the capacity to evolve that sets nucleic ...
Shimizu Tomoaki - - 2014
The aza-Clasen rearrangement of N-aryl-2-vinylazetidines has been explored. N-aryl-2-vinylazetidines were transformed to corresponding tetrahydrobenzazocines in good yields. Unexpectedly, the tetrahydrobenzazocine was unstable and readily isomerized to vinyltetrahydroquinoline in the presence of acid. The mechanism of this ring contraction was studied in detail.
Xu Ke K State Key Laboratory of Microbial Metabolism, and School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of - - 2014
Lactic acid is a platform chemical with various industrial applications, and its derivative, calcium lactate, is an important food additive. Fermentation coupled with in situ product removal (ISPR) can provide more outputs with high productivity. The method used in this study was based on calcium lactate crystallization. Three cycles of ...
Kintz P P X-Pertise Consulting, 84 route de Saverne, F-67205 Oberhausbergen, France. Electronic address: - - 2014
The hair of 97 cases were analysed for ethyl glucuronide (EtG) and fatty acid ethyl esters (FAEE, including ethyl myristate, ethyl palmitate, ethyl oleate and ethyl stearate) according to the Society of Hair Testing guidelines to examine the role of both tests in documenting chronic excessive alcohol drinking, particularly when ...
Carrascoza Francisco F Department of Chemistry, Faculty of Chemistry and Chemical Engineering, "Babes-Bolyai" University, 11 Arany Janos Str, Cluj-Napoca RO-400028, Romania. Electronic address: - - 2014
Potential energy surface (PES) were built for nineteen amino acids using density functional theory (PW91 and DFT M062X/6-311**). Examining the energy as a function of the φ/ψ dihedral angles in the allowed regions of the Ramachandran plot, amino acid groups that share common patterns on their PES plots and global ...
Zhang Bing B State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Guelph Food Research Centre, Agriculture and Agri-Food Canada, 93 Stone Road West, Guelph, ON N1G 5C9, - - 2014
Understanding the profile of lipophilic phytochemicals in lentils is necessary to better understand the health benefits of lentils. The fatty acid, carotenoid and tocopherol compositions and antioxidant activities of the lipophilic extracts of 20 lentil cultivars (10 red and 10 green) were therefore examined. Lentils contained 1.52-2.95% lipids, of which ...
Tkaczewska Joanna J Department of Animal Product Technology, Faculty of Food Technology, University of Agriculture, Krakow, - - 2014
Although environmental factors greatly affect the quality of carp meat, no regulations impose labelling the cultivation place of freshwater fish. That is why the purpose of this study was to determine the quality of carp meat cultivated in several regions of Poland as well as assess the necessity of implementing ...
Chia Xinyi X Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link 637371, Singapore - - 2014
Halogenated sp(2) materials are of high interest owing to their important electronic and electrochemical properties. Although methods for graphite and graphene fluorination have been extensively researched, the fundamental electrochemical properties of fluorinated graphite are not well established. In this paper, the electrochemistry of three fluorographite materials of different carbon-to-fluorine ratio ...
Gupta Neil N Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta, - - 2014
Background. Compounding pharmacies often prepare parenteral nutrition (PN) and must adhere to rigorous standards to avoid contamination of the sterile preparation. In March 2011, Serratia marcescens bloodstream infections (BSIs) were identified in five patients receiving PN from a single compounding pharmacy. An investigation was conducted to identify potential sources of contamination ...
Scheler Ott O Department of Biotechnology, IMCB, University of Tartu, Riia 23, Tartu 51010, - - 2014
There is a growing need for quick and reliable methods for microorganism detection and identification worldwide. Although traditional culture-based technologies are trustworthy and accurate at a relatively low cost, they are also time- and labor-consuming and are limited to culturable bacteria. Those weaknesses have created a necessity for alternative technologies ...
Brock Nelson L NL Institut für Organische Chemie, Hagenring 30, 38106 Braunschweig, Germany. - - 2014
The biosynthesis of tropodithietic acid was investigated using a combinatorial approach of feeding experiments, gene knockouts and bioinformatic analyses. The mechanism of sulfur introduction is distinct from known mechanisms in holomycin, thiomarinol A and gliotoxin biosynthesis.
Uttaro Antonio D AD Instituto de Biología Molecular y Celular de Rosario (IBR), CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Rosario, Argentina. Electronic address: - - 2014
As components of phospholipids and glycosylphosphatidylinositol anchors, fatty acids are responsible for forming the core of biological membranes and the correct localization of proteins within membranes. They also contribute to anchoring proteins by direct acylation of specific amino acids. Fatty acids can be used as energy sources and serve as ...
Mamai W W Institut de Recherche en Sciences de la Santé, Direction Régionale de l'Ouest, 399 Avenue de la Liberté, 01 BP 545, Bobo-Dioulasso, Burkina Faso; 2Institut de Recherche pour le Développement (IRD), Unité Mixte de Recherche (UMR) IRD 224-Centre National de la Recherche Scientifique (CNRS) 5290-Université de Montpellier 1-Université de Montpellier 2 Maladies Infectieuses et Vecteurs Écologie, Génétique, Évolution et Contrôle, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France; 3Université Polytechnique de Bobo-Dioulasso, Bobo-Dioulasso, Burkina Faso; 4Université Pierre et Marie Curie (UPMC), UMR Institut National de la Recherche Agronomique-UPMC 1272 PISC, 7 quai St Bernard, 75252 Paris Cedex 05, France; 5Université de Rennes 1, UMR CNRS 6553 Ecosystèmes, Biodiversité, Evolution, Campus de Beaulieu, 263 Avenue du Gal Leclerc, CS 74205 35042 Rennes Cedex, - - 2014
Abstract This study explored the metabolic adjustments prompted by a switch between the rainy and dry season conditions in the African malaria mosquitoes Anopheles gambiae (M and S molecular forms) and Anopheles arabiensis. Mosquitoes were reared in contrasted experimental conditions reflecting environmental variation in Burkina Faso. Thirty-five metabolites (including sugars, ...
Chakraborty Saikat S National Centre for Biological Sciences, TIFR , GKVK Bellary Road, Bangalore, 560065 Karnataka, - - 2014
Conspectus The impact of nucleic acid nanotechnology in terms of transforming motifs from biology in synthetic and translational ways is widely appreciated. But it is also emerging that the thinking and vision behind nucleic acids as construction material has broader implications, not just in nanotechnology or even synthetic biology, but ...
Zhang Haofei H Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United - - 2014
Secondary organic aerosol (SOA) formation from 2-methyl-3-buten-2-ol (MBO) photooxidation has recently been observed in both field and laboratory studies. Similar to the level of isoprene, the level of MBO-derived SOA increases with elevated aerosol acidity in the absence of nitric oxide; therefore, an epoxide intermediate, (3,3-dimethyloxiran-2-yl)methanol (MBO epoxide), was synthesized ...
Laghi Luca L Centre of Foodomics, Department of Agro-Food Science and Technology, University of Bologna, Bologna, - - 2014
Bacterial vaginosis (BV) is a common vaginal disorder characterized by the decrease of lactobacilli and overgrowth of Gardnerella vaginalis and resident anaerobic vaginal bacteria. In the present work the effects of rifaximin vaginal tablets on vaginal microbiota and metabolome of women affected by BV were investigated by combining quantitative PCR ...
Matsumoto Kazushige K School of Environmental Science and Engineering, Kochi University of Technology, Miyanokuchi, Tosayamada, Kami, Koch, - - 2014
An improved method, which is highly reproducible, was developed for the enantioseparation of racemic O-ethyl phenylphosphonothioic acid () with brucine by introducing seeding to a supersaturated solution of the diastereomeric salt mixture. The present method gave both diastereomeric salts in high yields with a diastereomeric ratio of >99.5:0.5 upon choosing ...
Masiewicz Paweł P Department of Microbiology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, - - 2014
During infection of macrophages, Mycobacterium tuberculosis, the pathogen that causes tuberculosis, utilizes fatty acids as a major carbon source. However, little is known about the coordination of the central carbon metabolism of M. tuberculosis with its chromosomal replication, particularly during infection. A recently characterized transcription factor called PrpR is known ...
Chaplin Jason H JH Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University , 381 Royal Parade, Parkville, Victoria 3052, - - 2014
Reductive coupling of α,β-unsaturated acid chlorides A with alkynoyls B provides convergent access to Nazarov cyclization precursors, α-carboxy divinyl ketones C. Cyclization of C gives an intermediate oxyallyl cation intermediate D, which can be trapped with tethered arenes (Ar). The resultant products can be further cyclized through nucleophilic displacement of ...
Zou Xiang X College of Pharmaceutical Sciences, Southwest University, 2 Tian Sheng Road, Beibei, Chongqing, 400715, People's Republic of China, - - 2014
Polymalic acid (PMA) is a water-soluble polyester with many attractive properties for biomedical application. Its monomer L-malic acid is widely used in the food industry and also a potential C4 platform chemical. Cofactor and CO2 donor involved in the reductive routes were investigated for PMA production by Aureobasidium pullulans. Biotin ...
Shen Yiru Y Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou, Jiangsu 225125, China. - - 2014
Ascites is a major problem for both human health and animal production, due to its association with high rates of morbidity and mortality, low efficiency of nutrient utilization, and permanent adverse effects on performance. Although it is one of the three major metabolic diseases in poultry production, the underlying mechanisms ...
Haitao Qu - - 2014
Abstract Existent nucleic acid isothermal detection techniques for clinical diseases are difficult to promote greatly due to limitations in such aspects as methodology, costs of detection, amplification efficiency and conditions for operation. Therefore, there is an urgent need for a new isothermal amplification method with the characteristics of high accuracy, ...
Sanikommu Suma - - 2014
Phosphate released from phytic acid can be used as a measure of phytase activity. However, most of the phosphate estimation methods have not examined the interference or interaction of phytic acid in the assay. In this article, we report the kinetics and influence of unreduced phytic acid on phosphate estimation ...
Kallas Zein Z Centre for Agro-food Economy and Development (CREDA-UPC-IRTA), Casteldefells, Barcelona, Spain. Electronic address: - - 2014
This paper uses Choice Experiments (CE) to investigate Spanish consumers' preferences towards beef meat enriched with polyunsaturated fatty acids (omega-3 and conjugated linoleic acid). Data were gathered from self-completed questionnaires in a controlled environment with two different samples (320 and 322 consumers) differentiated by the information received. The surveys were ...
Qing Qing Q Department of Biochemical Engineering, College of Pharmaceutical Engineering and Life Science, Changzhou University, Changzhou, Jiangsu, 213164, - - 2014
Pretreatment of lignocellulosic materials is a prerequisite to facilitate the disruption of the natural recalcitrance of their carbohydrate-lignin shield and to allow enzymes to easily access the crystalline cellulose surfaces. Recently, pretreatment of ionic liquids (ILs) has been widely studied as a promising pretreatment technique; however, it is too expensive ...
Sridhar Y Y Division of Natural Products Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India. - - 2014
A flexible stereoselective approach to the common C1-C14 skeleton present in natural products of the pseudomonic acid family is described. The strategy has been extended and the total synthesis of pseudomonic acid methyl monate C was achieved. The key synthetic reactions utilized include Achmatowicz rearrangement, Johnson-Claisen rearrangement, Julia-Kocienski olefination, and ...
Fauvelle Vincent V Irstea, UR EABX, Laboratoire de Chimie des Eaux, 50 Avenue de Verdun, 33612, Cestas Cedex, - - 2014
This paper presents an optimization of the pharmaceutical Polar Organic Chemical Integrative Sampler (POCIS-200) under controlled laboratory conditions for the sampling of acidic (2,4-dichlorophenoxyacetic acid (2,4-D), acetochlor ethanesulfonic acid (ESA), acetochlor oxanilic acid, bentazon, dicamba, mesotrione, and metsulfuron) and polar (atrazine, diuron, and desisopropylatrazine) herbicides in water. Indeed, the conventional ...
Nano Adela A Laboratoire de Chimie Organique et Spectroscopies Avancées (ICPEES-LCOSA), UMR 7515 au CNRS, Ecole Européenne de Chimie, Polymères et Matériaux, Université de Strasbourg, 25 rue Becquerel, 67087 Strasbourg Cedex 02, France. - - 2014
A new type of fluorescent pH indicator has been developed whereby two dissimilar amino-styryl units are attached to a boron dipyrromethene (Bodipy) dye. The photophysical properties of this hybrid dye, and its simpler counterparts bearing only a single amino-styryl residue, depend on the polarity of the surrounding medium. Of the ...
Wang Gang - - 2014
Previous studies have demonstrated altered metabolites in samples of Alzheimer's disease (AD) patients. However, the sample size from many of them is relatively small and the metabolites are relatively limited. Here we applied a comprehensive platforms using ultra performance liquid chromatography-time-of-flight mass spectrometry and gas chromatography-time-of-flight mass spectrometry to analyze ...
Shen Pengfei - - 2014
For the first time, non-enzymatic blood glucose sensing has been achieved by using fluorescent boronic acid modified carbon dots (C-dots) as the signal readout. The functionalized C-dots are fabricated by one-step hydrothermal carbonization, using phenylboronic acid as the sole precursor. Compared with conventional two-step fabrication of nanoparticle based sensors, the ...
Balakrishnan Madhesan M Energy Biosciences Institute, Department of Chemical and Biomolecular Engineering, University of California at Berkeley, CA 94720 - - 2014
The Front Cover highlights the work of Prof. Alexis T. Bell and co-workers at the University of California at Berkeley. The Cover picture shows the value of using silica-supported alkyl sulfonic acid catalysts for the sustainable production of diesel fuel from biomass. The Full Paper itself is available at10.1002/cssc.201300931.
Kur-Kowalska Karolina K Lodz University of Technology, Institute of General Food Chemistry, Stefanowskiego 4/10, 90-924 Lodz, - - 2014
Preliminary results of a study of the interaction between 3-amino phenylboronic acid and glucose or ZnS:Cu quantum dots are presented in this paper. ZnS:Cu quantum dots with mercaptopropionic acid as a capping agent were obtained and characterized. Quenching of 3-amino phenylboronic acid fluorescence was studied by steady-state and timeresolved measurements. ...
Aktas Ayse Burcu AB Izmir Institute of Technology, Department of Food Engineering, Urla, Izmir, - - 2014
Some olives grown in Karaburun peninsula in the west part of Turkey and mostly coming from Erkence variety lose their bitterness while still on the tree and are called Hurma among locals. This olive type does not require further processing to remove the bitter compounds. In this study, sugar, organic ...
Zunk Matthew M Institute for Glycomics, Griffith University Gold Coast Campus, Southport, Queensland 4222, Australia. - - 2014
The pseudaminic acids are a family of 5,7-diamino-3,5,7,9-tetradeoxynonulosonic acids that are essential components of bacterial polysaccharides and glycoproteins. This paper describes our approach towards the synthesis of analogues of pseudaminic acid, and involves the efficient introduction of the requisite nitrogen functionalities from a readily available precursor.
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