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Noel Amandine A Departments of Chemistry and Chemical Engineering and the Laboratory for Synthetic-Biologic Interactions, Texas A&M University , College Station, Texas 77842-3012, United - - 2014
Ferulic acid (FA), a bio-based resource found in fruits and vegetables, was coupled with a hydroxyl-amino acid to generate a new class of monomers to afford poly(carbonate-amide)s with potential to degrade into natural products. l-Serine was first selected as the hydroxyl-amino partner for FA, from which the activated p-nitrophenyl carbonate ...
Kanayama Yoshinori Y Graduate School of Agricultural Science, Tohoku University, Sendai 981-8555, Japan. Electronic address: - - 2014
The aldo-keto reductase (AKR) superfamily is a large enzyme group of NADP-dependent oxidoreductases with numerous roles in metabolism, but many members in this superfamily remain uncharacterized. Here, PpAKR1, which was cloned from the rosaceous peach tree (Prunus persica), was investigated as a member of the superfamily. While PpAKR1 had amino ...
Hsu Wen-Hung - - 2014
The acid-suppressive agents have been linked with an increased risk of infectious disease. The relationship between these drugs and Mycobacterium Tuberculosis (TB) was not been reported. We conducted a case-control study using data from National Health Insurance research database of Taiwan. From 1996 till 2008, and 6541 cases were defined ...
Ma Huan - - 2014
Novel corncob-derived solid acid catalysts were successfully synthesized for the first time by hydrothermal method. The influences of different preparation conditions were investigated, and the structure-function relationships of the resulting catalysts were also discussed based on the analysis of structure and composition. Compared to conventional solid acid catalysts, the corncob-derived ...
do Nascimento Fernando Henrique FH Instituto de Química, Universidade de São Paulo, C.P. 26077, 05513-970 São Paulo, SP, - - 2014
Geochemical mobility of Hg(II) species is strongly affected by the interactions of these compounds with naturally occurring adsorbents such as humic acids, clay minerals, oxides, etc. Interactions among these sorbents affect their affinity for Hg(II) and a full understanding of these processes is still lacking. The present work describes the ...
Wang Qiang Q Key Laboratory of Pulp & Paper Science and Technology (Qilu University of Technology), Ministry of Education, Jinan, Shandong 250353, PR China; Limerick Pulp and Paper Centre, University of New Brunswick, Fredericton, New Brunswick E3B 5A3, Canada. Electronic address: - - 2014
Lignin removal is essential for value-added utilization of hemicelluloses and acetic acid present in the prehydrolysis liquor (PHL) of a kraft-based hardwood dissolving pulp production. In this paper, a novel process concept, consisting of laccase-induced lignin polymerization, followed by filtration/flocculation, was developed to enhance the lignin removal. The results showed ...
Andre Markus M Institute of Process Engineering in Life Sciences, Section II: Technical Biology, Karlsruhe Institute of Technology, Karlsruhe, Baden-Württemberg, 76131, - - 2014
Oligopeptides are of high importance for various industrial applications, e.g. cosmetical or medical. Homooligomerizations and co-oligomerizations with anionic amino acid esters are well described but a successful synthesis of cationic heterooligopeptides has been missing so far. The present study reports the ficain-catalyzed heterooligomerizations of LysOEt with MetOEt, leading to cationic ...
Singh Purnima P School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen, 518055, - - 2014
Thraustochytrids, a group of osmoheterotrophic marine protists, have recently gained increased attention owing to their spectacular biotechnological potentials. They possess enormous capability of producing omega-3 (ω-3) polyunsaturated fatty acids (PUFAs) such as docosahexaenoic acid (DHA), eicosapentaenoic acid (EPA), and several other bioactive metabolites, known to have nutritional implications in human ...
Bera Saurav S Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, B.S. 10/1, Jankipuram Extension, Sitapur Road, Lucknow 226031, UP, India. gautam.panda@gmail.com - - 2014
An efficient, general and practical synthesis of diverse 3,4-dihydropyrazines, 6,7-dihydro-[1,2,3]triazolopyrazines and 7,8-dihydro-[1,2,3]triazolodiazepines through intramolecular 1,3-dipolar cycloaddition from amino acid derived common intermediates with high yields is described. Moreover, one-pot access to optically active 3-aryl substituted 6,7-dihydro-[1,2,3]triazolo[1,5-a]pyrazines in the palladium-copper co-catalytic system has also been achieved in this work. The easy ...
Ye Chao C State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; The Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, - - 2014
An artificial microbial ecosystem (AME) consisting of Ketogulonicigenium vulgare and Bacillus megaterium is currently used in a two-step fermentation process for vitamin C production. In order to obtain a comprehensive understanding of the metabolic interactions between the two bacteria, a two-species stoichiometric metabolic model (iWZ-KV-663-BM-1055) consisting of 1718 genes, 1573 ...
Kishida Ryo R Department of Applied Physics, Osaka University, Suita, Osaka, - - 2014
Dopachrome conversion, where dopachrome is converted into 5,6-dihydroxyindole (DHI) or 5,6-dihydroxyindole-2-carboxylic acid (DHICA) upstream of eumelanogenesis, is a key step towards determining the DHI/DHICA monomer ratio in eumelanin, affecting the antioxidant activity. Although the formed ratio of DHI/DHICA and the conversion rate can be regulated depending on pH condition, the ...
Yuanhai Zhang Z 1Zhejiang Quhua Hospital, Quzhou, - - 2014
Hydrofluoric acid, a highly dangerous substance, can cause tissue damage and systemic toxicity by its unique mechanisms. Many cases of severe faciocervical burns due to hydrofluoric acid exposure are lethal. Herein, we present a case of 37-year-old man who suffered from hydrofluoric acid burns to his face, anterior neck, lips, ...
Liao Li-Ting LT Department of Laboratory Medicine, Wan Fang Hospital, Taipei Medical University, No. 111, Section 3, Hsing-Long Rd., Taipei 116, - - 2014
Uric acid measurement has become increasingly important, and electrochemical modified detection method based portable devices hold a dominate position in the market for point of care and self-monitoring of uric acid blood levels. However, there has been a lack of detailed performance evaluation of the electrochemical detection devices that are ...
Yokoi Toshiyuki T Chemical Resources Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan. - - 2014
Treatment of the zeolitic layered precursor of Al-MWW, so-called Al-MWW(P), with diethoxydimethylsilane (DEDMS) in acidic media leads to the formation of an aluminosilicate-type interlayer-expanded zeolite MWW (Al-IEZ-MWW) with expanded 12-membered ring (12-MR) micropores. However, the silylation process under acidic conditions simultaneously causes dealumination from the MWW framework, resulting in a ...
Han Lianshu L Department of Pediatric Endocrinology and Genetic Metabolism, Xinhua Hospital, Shanghai Institute for Pediatric Research, Shanghai Jiaotong University School of Medicine, Shanghai, - - 2014
Information concerning inherited metabolic diseases in China is scarce. We investigated the prevalence and age distributions of amino acid, organic acid, and fatty acid oxidation disorders in Chinese patients. Blood levels of amino acids and acylcarnitines (tandem mass spectrometry) were measured in 18,303 patients with suspected inherited metabolic diseases. Diagnosis ...
Grijalvo Santiago S Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), and Networking Research Centre of Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Department of Chemical and Biomolecular Nanotechnology , Jordi Girona 18-26, 08034 Barcelona , Spain +34 934006145 ; +34 932045904 ; - - 2014
Introduction: The use of aptamers, antisense technology and RNA interference has allowed nucleic acids to be considered as promising alternatives to classical drugs. However, nucleic acids face several obstacles in the creation of effective nucleic acid drugs. The development of these approaches has strengthened the pipeline with an increasing number ...
Mustafa Hussein H HH School of Chemistry, Bangor University, Bangor, Gwynedd, LL57 - - 2014
Ozonolysis of Z,Z,Z-cylonona-1,4,7-triene leads to a 1,9-difunctionalised Z,Z-3,6-nonadiene which is readily converted into a range of polyunsaturated pheromones and fatty acids.
Kesebir Sermin S Erenköy Psychiatry Education and Research Hospital, Istanbul, - - 2014
The aim of this study was to investigate whether uric acid levels are different between patients with remission period of bipolar disorder type I (BD) and patients with remission period of major depressive disorder (MDD). For this aim 41 patients diagnosed with BD and 30 patients diagnosed with recurrent MDD ...
Huerlimann Roger R School of Marine and Tropical Biology, James Cook University, Townsville 4811, Australia; Centre for Sustainable Tropical Fisheries and Aquaculture, Townsville 4811, Australia; James Cook University, Comparative Genomics Centre, Townsville, Queensland 4811, - - 2014
Very long-chain polyunsaturated fatty acids (VLC-PUFAs) are important dietary requirements for maintaining human health. Many marine microalgae are naturally high in ω-3 VLC-PUFAs, however, the molecular mechanisms underpinning fatty acid (FA) desaturation and elongation in algae are poorly understood. An advanced molecular understanding would facilitate improvements of this nascent industry. ...
Liu Bingjie B College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou, Henan Province 450001, China. changjunbiao@zzu.edu.cn - - 2014
A straightforward and efficient copper(i)/amino acid-catalyzed intramolecular Ullmann-type C-O coupling reaction has been developed. This protocol affords a facile methodology for the synthesis of a series of novel 2,4,5-substituted oxazoles from readily accessible N-acyl-2-bromo enamides under mild conditions.
Liu Ming - - 2014
Imine cage molecules can be reduced to amines to improve their chemical stability, but this introduces molecular flexibility. Hence, amine cages tend not to exhibit permanent, solid-state porosity. We report a synthetic strategy to achieve shape per-sistence in amine cages by tying the cage vertices with carbonyls such as formaldehyde. ...
Fonseca-Madrigal Jorge J Universidad Michoacana de San Nicolas de Hidalgo, - - 2014
Currently existing data show that the capability for long-chain polyunsaturated fatty acids (LC-PUFA) biosynthesis in teleost fish is more diverse than in other vertebrates. Such diversity has been primarily linked to the subfunctionalization that teleostei Fads2 desaturases have undergone during evolution. We previously showed that Chirostoma estor, one of the ...
Tang Zhenchen Z State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, National Engineering Laboratory for Green Chemical Productions of Alcohols, Ethers and Esters, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005 (PR - - 2014
The transformation of cellulose or cellulose-derived carbohydrates into platform chemicals is the key to establish biomass-based sustainable chemical processes. The systems able to catalyze the conversion of cellulose into key chemicals in water without the consumption of hydrogen are limited. We report that simple vanadyl (VO(2+) ) cations catalyze the ...
Vecino X X Chemical Engineering Department, School of Industrial Engineering (EEI), University of Vigo., Campus As Lagoas-Marcosende., 36310, Vigo-Pontevedra, - - 2014
There is currently much interest in the use of natural biosurfactants and bioemulsifiers, mainly in the cosmetic, pharmaceutical and food industries. However, there are no studies about the optimization of the extraction conditions of cell bound biosurfactants. In this work, a biosurfactant with emulsifier properties was extracted from L. pentosus ...
Procentese Alessandra A Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università degli Studi di Napoli Federico II, P.le V. Tecchio 80, 80125 Napoli, - - 2014
The paper reports the assessment of the growth kinetics of Clostridium acetobutylicum DSM 792 adopting xylose as carbon source. Xylose is the fundamental component of hemicellulose hydrolysis, a relevant fraction of lignocellulosic feedstocks for biofuel production. Tests were carried out in a CSTR operated under controlled pH. The effects of ...
Gao Bifen - - 2014
Anatase TiO2 microspheres with a high percentage of exposed (001) facets were synthesized by a template-free hydrothermal method without using concentrated hydrofluoric acid. The influence of various experiment conditions, such as hydrothermal temperature, acid condition, reaction time, etc., on the morphology of the final products was investigated in detail. The ...
Budak Nilgün H NH Dept. of Food Technology, Egirdir Vocational School, Süleyman Demirel Univ., Isparta, - - 2014
A variety of natural vinegar products are found in civilizations around the world. A review of research on these fermented products indicates numerous reports of health benefits derived by consumption of vinegar components. Therapeutic effects of vinegar arising from consuming the inherent bioactive components including acetic acid, gallic acid, catechin, ...
Weaver Karen - - 2014
Lipid is an essential macronutrient in parenteral nutrition (PN) support. intravenous (IV) lipid provides essential fatty acids and a concentrated calorie source. Preterm infants are at risk for essential fatty deficiency early in life. Lipid administration is associated with some risks, and there are guidelines for administration to minimize complications. ...
- - 2014
A short-cut review was carried out to establish whether topical tranexamic acid can be used to treat spontaneous epistaxis. Thirty-three papers were found, of which two presented the best evidence to answer the clinical question. The author, date and country of publication, patient group studied, study type, relevant outcomes, results ...
Desideri G G Geriatric Unit, Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy. - - 2014
The actual reference range of serum uric acid has been assessed according to its variations among healthy individuals. i.e. those without clinical evidence of gout. By this approach, serum uric acid values between 3.5 and 7.2 mg/dL in adult males and postmenopausal women and between 2.6 and 6.0 mg/dL in ...
Ng'ong'ola-Manani Tinna A - - 2014
[This corrects the article on p. 114 in vol. 2, PMID: 24804070.].
Germani A A Departmentpt of Experimental Medicine, RU of Food Science and Human Nutrition, Sapienza University of Rome, - - 2014
To analyze the yogurt amino acid profile starting from marketing through the whole shelf-life. The evaluation of the proteolytic activity of Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus salivarius subsp. thermophilus, allows to deduce their vitality during the shelf-life period and within 45 days. Three types of full fats yogurts have ...
Yu Yi - - 2014
Fabry disease (FD) is an X-linked lysosomal storage disorder caused by mutations in the GLA gene often leading to missense α-galactosidase A (α-Gal A) variants that undergo premature endoplasmic reticulum-associated degradation due to folding defects. We have conceived a new family of neutral amphiphilic pharmacological chaperones, namely 1-deoxygalactonojirimycin-arylthioureas (DGJ-ArTs), capable ...
Tenca Andrea A Gastroenterology Unit 2, Università degli Studi di Milano and Fondazione IRCCS "Ca' Granda" - Ospedale Maggiore Policlinico, Milan, - - 2014
Symptom reflux association analysis is especially helpful for evaluation and management of proton pump inhibitor (PPI) re-fractory patients. An accurate calculation requires manual editing of 24-hour multichannel intraluminal impedance-pH (MII-pH) tracings after automatic analysis. Intra- and inter-observer agreement as well as reliability of rapid editing confined to the time around ...
Malcher Jakub - - 2014
Peptide Nucleic Acids (PNAs) are molecules combining structural features of proteins and nucleic acid. They resemble DNA or RNA by forming helical polyamides containing nitrogen bases attached to the backbone consisting of N-(2-aminoethyl)-glycine monomers, which mimics the alternating ribose-phosphodiester-backbone of a nucleic acid. Because PNAs bind exceptionally strong to complementary ...
Clausen Morten R - - 2014
Genetic variation is the most influential factor for carrot (Daucus carota L.) composition. However, difference in metabolite content between carrot varieties has not been described by NMR although primary metabolites are important for human health and sensory properties. The aim of the present study was to investigate the effect of ...
Mee Michael T MT Department of Biomedical Engineering, Boston University, Boston, MA - - 2014
Metabolic crossfeeding is an important process that can broadly shape microbial communities. However, little is known about specific crossfeeding principles that drive the formation and maintenance of individuals within a mixed population. Here, we devised a series of synthetic syntrophic communities to probe the complex interactions underlying metabolic exchange of ...
Kovash Curtiss S CS Jr Department of Coatings and Polymeric Materials, North Dakota State University, PO Box 6050, Dept 2760, Fargo, ND 58108 - - 2014
A new 100 % bio-based thermosetting coating system was developed from epoxidized sucrose soyate crosslinked with blocked bio-based dicarboxylic acids. A solvent-free, green method was used to block the carboxylic acid groups and render the acids miscible with the epoxy resin. The thermal reversibility of this blocking allowed for the formulation ...
Leskey Tracy C - - 2014
Plum curculio, Conotrachelus nenuphar (Herbst), one of the most important pests of apple in eastern and central North America, is usually managed in New England apple orchards by multiple full-block insecticide applications. Efforts to reduce insecticide inputs against plum curculio include using an "attract and kill" approach: odor-baited trap trees ...
Diesendruck Charles E CE 1] Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA [2] Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, - - 2014
Biological systems rely on recyclable materials resources such as amino acids, carbohydrates and nucleic acids. When biomaterials are damaged as a result of aging or stress, tissues undergo repair by a depolymerization-repolymerization sequence of remodelling. Integration of this concept into synthetic materials systems may lead to devices with extended lifetimes. ...
Ng Carla A CA Safety and Environmental Technology Group, Institute for Chemical and Bioengineering, ETH Zurich , Zurich 8093, - - 2014
In this review, we consider the two prevailing hypotheses for the mechanisms that control the bioaccumulation of perfluorinated alkyl acids (PFAAs). The first assumes that partitioning to membrane phospholipids, which have a higher affinity for charged species than neutral storage lipids, can explain the high bioaccumulation potential of these compounds. ...
Ottosson N N FOM Institute AMOLF, Science Park 104, 1098 XG Amsterdam, The Netherlands. ottosson@amolf.nl - - 2014
We study the conformation and reorientation dynamics of the inhibitory neurotransmitter γ-aminobutyric acid (GABA) under neutral and acidic conditions using a combination of broadband dielectric relaxation spectroscopy and polarization-resolved femtosecond mid-infrared pump-probe spectroscopy. We find that both zwitterionic and cationic GABA adopt nearly linear conformations in aqueous solution, meaning that ...
Dydio PaweĊ‚ P van 't Hoff Institute for Molecular Sciences, University of Amsterdam, Amsterdam, The - - 2014
This protocol describes how to prepare 2-(2-formylalkyl)-arenecarboxylic acid derivatives, common building blocks for the synthesis of various valuable chemicals (e.g., anti-obesity and Alzheimer's disease treatment pharmaceuticals), by using the fully regioselective hydroformylation of vinyl arene derivatives. This catalytic reaction proceeds cleanly with 100% regioselectivity and chemoselectivity. The procedure is reliably ...
Xu Jiacui J Ernst Moritz Arndt Universität Greifswald, Institut für Biochemie, Felix Hausdorff Strasse 4, 17487 Greifswald (Germany); Current address: Department of Biochemistry, University of Wisconsin, 433 Babcock Drive, Madison, WI 53706 - - 2014
In the transition from the RNA world to the modern DNA/protein world, RNA-catalyzed aminoacylation might have been a key step towards early translation. A number of ribozymes capable of aminoacylating their own 3' termini have been developed by in vitro selection. However, all of those catalysts require a previously activated ...
Le Tien Xuan TX Université Paris-Sud and CNRS, Laboratoire de Synthèse de Biomolécules, Institut de Chimie Moléculaire et des Matériaux d'Orsay, UMR 8182, 91405 Orsay (France); Department of Chemical Engineering, HCMC University of Technology, VNU-HCM, 268 Ly Thuong Kiet, District 10, Ho Chi Minh City - - 2014
The umpolung of glycals with samarium diiodide offers a simple route to novel carbohydrate-derived nucleophilic reagents in a single step using a readily available reductant. The corresponding allyl samarium reagent that arises from the hexose series reacts with ketones at the C3 position with high stereoselectivity; carbon-carbon bond formation takes ...
Chandra Suman - - 2014
Two new chemically stable functional crystalline COFs (Tp-Azo and Tp-Stb) were synthesized using the Schiff base reaction between triformylphloroglucinol (Tp) and 4,4'-azodianiline (Azo) or 4,4'-diaminostilbene (Stb), respectively. Both COFs show the expected keto-enamine form, and high stability towards boiling water, strong acidic and basic media. H3PO4 doping in Tp-Azo leads ...
Escudero-Casao Margarita - - 2014
In recent years, peptidomimetics have gained enormous importance in drug design aiming to achieve increased drug metabolic stability and higher selectivity. In the field of peptidomimetics, β-peptides incorporating β2- and β3-amino acids (the higher homologs of natural β-amino acids) provide a powerful method for the synthesis of peptidomimetics with particular ...
Gangidi Rahul Reddy RR Lipid Science and Traditional Foods Dept, CSIR Central Food Technological Research Inst. (CFTRI), Mysore, Karnataka, 570020, - - 2014
Conjugated linoleic acid (CLA) that is commonly found in dairy and ruminant fats, is geometrical and positional isomer of linoleic acid (LA). Edible oils are not good sources of CLA. Attempts have been made to generate CLA in edible oils through photoisomerization procedures. CLA isomers have several proven health benefits. ...
Alonso Saúl S Department of Chemical Engineering and Environmental Technology, Faculty of Chemistry, University of Oviedo , Oviedo , - - 2014
Abstract Microbial production of organic acids has become a fast-moving field due to the increasing role of these compounds as platform chemicals. In recent years, the portfolio of specialty fermentation-derived carboxylic acids has increased considerably, including the production of glyceric, glucaric, succinic, butyric, xylonic, fumaric, malic, itaconic, lactobionic, propionic and ...
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 ...
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