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Tee Lee Hong LH Chemical Engineering Discipline, School of Engineering, Monash University, Jalan Lagoon Selatan, 47500 Bandar Sunway, Selangor, - - 2014
Dacryodes species are evergreen, perennial trees with fleshy fruits and belong to the family Buseraseae. Many Dacryodes species are underutilized but are widely applied in traditional folk medicine to treat malaria, fever and skin diseases. The nutritional compositions, phytochemicals and biological activities of Dacryodes edulis, Dacryodes rostrata, Dacryodes buettneri, Dacryodes ...
Huerta-Angeles Gloria G Contipro Pharma a.s., Dolni Dobrouč 401, 561 02 Dolni Dobrouč, Czech Republic. Electronic address: - - 2014
The present work describes a novel and efficient method of synthesis of amphiphilic hyaluronan (HA) by esterification with alkyl fatty acids. These derivatives were synthesized under mild aqueous and well controlled conditions using mixed aliphatic aromatic anhydrides. These anhydrides characterized by the general formula RCOOCOC6H2Cl3 can be easily prepared by ...
Liu Yefei Y CAS Key Laboratory of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 189 Songling Road, Qingdao 266101, China; University of Chinese Academy of Sciences, Beijing 100049, - - 2014
In this work, a sustainable and green process to prepare nanocrystalline cellulose (NCC) from bleached hardwood pulp was demonstrated. Rod-like nanocrystalline cellulose with the size of 15-40nm in width and hundreds of nanometers in length was obtained through H3PW12O40 (HPW)-catalyzed hydrolysis of bleached pulp fibers under the mild reaction conditions. ...
Yoshino Hiroyuki H a Research Center for Biochemical and Environmental Engineering, Department of Applied Chemistry , Toyo University , Kawagoe , Saitama , - - 2014
The zero-valent iron (ZVI) wastewater treatment has been applied to simultaneous removal of nitrate, hydrogen peroxide and phosphate in semiconductor acidic wastewaters. The simultaneous removal occurs by the reactions performed due to the sequential transformation of ZVI under the acidic condition. Fortunately the solution pH of semiconductor acidic wastewaters is ...
Mori Trevor A TA School of Medicine and Pharmacology, Royal Perth Hospital Unit, University of Western Australia and The Cardiovascular Research Centre, Medical Research Foundation Building, Box X 2213 GPO, Perth, Western Australia 6847. - - 2014
Clinical and epidemiological studies provide support that the polyunsaturated omega-3 fatty acids eicosapentaenoic acid and docosahexaenoic acid from fish and fish oils are cardioprotective, particularly in the setting of secondary prevention. Omega-3 fatty acids benefit multiple cardiometabolic risk factors including lipids, blood pressure, vascular reactivity and cardiac function, as well ...
Tong Qing Q Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Nanjing, 210029, - - 2014
Converging evidence suggests that changes in plasma levels of amino acids are involved in Parkinson's disease (PD), but their roles in nonmotor symptoms (NMS) of PD remain unclear. The aim of this study was to evaluate the correlations between plasma amino acids and NMS of PD. Plasma levels of aspartate ...
Hayer Kimran K School of Life Sciences, University of Nottingham, University Park, Nottingham, NG7 2RD, United - - 2014
Conidial germination is fundamentally important to the growth and dissemination of most fungi. It has been previously shown (K. Hayer, M. Stratford, D.B. Archer, Appl. Environ. Microbiol. 79: 6924-6931, 2013) using sugar analogs that germination is a 2-stage process involving triggering of germination and then nutrient uptake for hyphal outgrowth. ...
Zhao Xianliang - - 2014
Interferon (IFN) family is a large group of cytokines involved in innate immune response against various microorganisms. However, whether IFN functions in antimicrobial property by metabolic pathways is largely unknown. In the present study, GC/MS-based metabolome is investigated in humoral fluid of zebrafish (Dario rerio) which are exposed to three ...
Kumar Ajit A Department of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu Natal , Westville Campus, Durban , South Africa - - 2014
Abstract A considerable progress has been made to understand the mechanisms of biodegradation of 2,4-dichlorophenoxyacetic acid (2,4-D). 2,4-D biodegradation pathway has been elucidated in many microorganisms including Cupriavidus necator JMP134 (previously known as Wautersia eutropha, Ralstonia eutropha and Alcaligenes eutrophus) and Pseudomonas strains. It generally involves the side chain removal ...
Pensec Flora - - 2014
Triterpenoids present in grape cuticular waxes are of interest due to their potential role in the protection against biotic stresses, their impact on the mechanical toughness of the fruit surface and the potential industrial application of these biologically active compounds from grape pomace. The determination of the triterpenoid profile of ...
Yonekawa Takahiro T 1 Department of Neuromuscular Research, National Institute of Neuroscience, National Centre of Neurology and Psychiatry (NCNP), Tokyo, Japan2 Department of Education, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Yamanashi, - - 2014
Patients with GNE myopathy, a progressive and debilitating disease caused by a genetic defect in sialic acid biosynthesis, rely on supportive care and eventually become wheelchair-bound. To elucidate whether GNE myopathy is treatable at a progressive stage of the disease, we examined the efficacy of sialic acid supplementation on symptomatic ...
Pelletier Jeffrey C JC Fox Chase Chemical Diversity Center, Inc., 3805 Old Easton Rd., Doylestown, PA - - 2014
We have found that α-amino acid amide derivatives of 2-aminobenzothiazoles undergo a time-dependent, thermal rearrangement in which the amine group attacks the 2-position carbon of the thiazole ring to form a 5,5-spiro ring system. This is followed by sulfur leaving and air oxidation to the corresponding symmetrical disulfide. The isolated ...
Jeong Gwi-Taek GT Department of Biotechnology, Pukyong National University, Busan, 608-737, South Korea, - - 2014
This study employed a statistical methodology to investigate the optimization of conversion conditions and evaluate the reciprocal interaction of reaction factors related to the process of red-algae Gracilaria verrucosa conversion to sugars (glucose, galactose), levulinic acid and 5-hydroxymethylfurfural (5-HMF) by acidic hydrolysis. Overall, the conditions optimized for glucose formation included ...
Hauck Oliver K OK Freie Universität Berlin, Dahlem Centre of Plant Sciences, Department of Plant Biochemistry, 14195 Berlin, - - 2014
Purine nucleotides can be fully catabolized by plants to recycle nutrients. We have isolated a urate oxidase (uox) mutant of Arabidopsis thaliana that accumulates uric acid in all tissues, especially in the developing embryo. The mutant displays a reduced germination rate and is unable to establish autotrophic growth due to ...
Ahammed Sabir - - 2014
An efficient Csp-Csp cross coupling of alkynyl bromide and pinacol ester of alkynyl boronic acid catalyzed by CuFe2O4 nanoparticles has been accomplished in dimethyl carbonate to produce unsymmetric 1,3-diynes. This protocol is also ex-tended for the Csp-Csp2 coupling of alkynyl bromide and alkenyl boronic acid to provide conjugated 1,3-enynes. The ...
Bueken Bart B Centre for Surface Chemistry and Catalysis, KU Leuven - University of Leuven, Kasteelpark Arenberg 23 post box 2461, 3001 Leuven, Belgium. - - 2014
We report the first zirconium metal-organic framework based on squaric acid, representing the member with the smallest unit cell in the isoreticular UiO-66 family. Its molecular sieving properties are strongly influenced by the monocarboxylic acid modulator incorporated during synthesis.
Moughan Paul J PJ Riddet Institute, Massey University, Private Bag 11-222, Palmerston North 4442, New Zealand - - 2014
A case is made for the application of true ileal amino acid digestibility and true ileal reactive lysine digestibility (lysine availability) in poultry nutrition. Technical aspects of the true ileal digestibility assays are reviewed, as are factors influencing amino acid digestibility in the broiler. There is considerable variation in amino ...
Mukwevho Emmanuel E Department of Biochemistry, University of Johannesburg, PO Box 524, Auckland Park 2006, South Africa. Electronic address: - - 2014
Activation of Calmodulin dependent protein kinase (CaMK) - II by exercise has plethora of benefits in health. Fatty acids play a pivotal role in the pathogenesis of metabolic syndrome (MetS). Prevention of MetS and treatment of its main characteristics are very significant to fight against type 2 diabetes. CaMKII activation ...
Mescka Caroline Paula CP Serviço de Genética Médica, HCPA, UFRGS, Rua Ramiro Barcelos, 2350, 90035-903 Porto Alegre, RS, Brazil; Programa de Pós-Graduação em CB:Bioquímica e Departamento de Bioquímica, UFRGS, Rua Ramiro Barcelos, 2600, 90035-000 Porto Alegre, RS, Brazil. Electronic address: - - 2014
Maple syrup urine disease (MSUD) is an inherited aminoacidopathy caused by a deficiency in branched-chain α-keto acid dehydrogenase complex activity that leads to the accumulation of the branched-chain amino acids (BCAAs) leucine (Leu), isoleucine, and valine and their respective α-keto-acids, α-ketoisocaproic acid (KIC), α keto-β-methylvaleric acid, and α-ketoisovaleric acid. The ...
Lustgarten Michael S MS Nutrition, Exercise Physiology, and Sarcopenia Laboratory, Jean Mayer USDA Human Nutrition Research Center, Tufts University, 711 Washington Street, Boston, MA, 02111, - - 2014
Identification of mechanisms underlying physical function will be important for addressing the growing challenge that health care will face with physical disablement in the expanding aging population. Therefore, the goals of the current study were to use metabolic profiling to provide insight into biologic mechanisms that may underlie physical function ...
Chu Lingling - - 2014
The direct application of carboxylic acids as a traceless activation group (TAG) for radical Michael additions has been accomplished via visible light-mediated photoredox catalysis. Photon-induced oxidation of a broad series of carboxylic acids, including hydrocarbon-substituted, α-oxy, and α-amino acids, provides a versatile CO2-extrusion platform to generate Michael donors without the ...
Zampieri Fernando G - - 2014
There is a complex interplay between changes in acid-base components and inflammation. This manuscript aims to explore associations between plasma cytokines and chemokines and acid-base status on admission to intensive care. We conducted a prospective cohort study in a 13-bed ICU in a tertiary-care center in Brazil. 87 unselected patients ...
Chen Li L State Key Lab of Integrated Management of Pest Insects and Rodents; Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101 (P.R. - - 2014
The practical utility of ionic liquids (ILs) makes the absence (heretofore) of reported examples from nature quite puzzling, given the facility with which nature produces many other types of exotic but utilitarian substances. In that vein, we report here the identification and characterization of a naturally occurring protic IL. It ...
Gao Ruibin R Key Laboratory of Chemistry and Quality for Traditional Chinese Medicines of the College of Gansu Province, Department of Pharmacy, Gansu College of Traditional Chinese Medicine, Lanzhou, 730000, People's Republic of - - 2014
The method of capillary zone electrophoresis (CZE) with direct UV detection was developed for the determination of oleanolic acid, ursolic acid, quercetin and apigenin. and then for the first time successfully applied to the analysis of four analytes in Swertia mussotii Franch and its preparations. Various factors affecting the CZE ...
Huang Haiming H Hebei Key Laboratory of Applied Chemistry, School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao, Hebei 066004, PR China. Electronic address: - - 2014
This paper presents a study concerning ammonia removal from landfill leachate by struvite precipitation with the use of waste phosphoric acid as the phosphate source. The results indicated that the Al(3+) ions present in the waste phosphoric acid significantly affected the struvite precipitation, and a removal ratio of ammonia close ...
Khamar Dikshitkumar - - 2014
In previous work, it has been shown that the crystal nucleation of salicylic acid in different solvents becomes increasingly more difficult in the order: chloroform, ethyl acetate acetonitrile, acetone, methanol and acetic acid. In the present work, vibration spectroscopy, calorimetric measurements and Density Functional Theory calculations are used to reveal ...
Farrukh Affifa A Affifa Farrukh, John Francis Mayberry, Department of Digestive Diseases, University Hospitals of Leicester NHS Trust, Leicester General Hospital, Leicester LE5 4PW, United - - 2014
A number of animal and human studies suggest omega 3-fatty acids are anti-inflammatory. As a result they may have a therapeutic role in inflammatory bowel disease (IBD). The aim of this review is to briefly assess the literature about the utility of poly-unsaturated fatty acids (PUFAs) in the management of ...
Göring M M Department of Polymer Chemistry, Institute of Chemistry, Technische Universität Chemnitz, Strasse der Nationen 62, D-09111 Chemnitz, Germany. - - 2014
Amino-functionalized organic-inorganic hybrid materials with a narrow distributed nanostructure of 2-4 nm in size were obtained by means of a template-free and non-aqueous procedure. Simultaneous twin polymerization of novel amino group containing twin monomers with 2,2'-spirobi[4H-1,3,2-benzodioxasiline] has been applied for this purpose. The amino groups of the organic-inorganic hybrid material ...
Chi Zhe Z UNESCO Chinese Center of Marine Biotechnology, Ocean University of China , Qingdao , - - 2014
Abstract l-Malic acid has many uses in food, beverage, pharmaceutical, chemical and medical industries. It can be produced by one-step fermentation, enzymatic transformation of fumaric acid to l-malate and acid hydrolysis of polymalic acid. However, the process for one-step fermentation is preferred as it has many advantages over any other ...
Rakete Stefan S Institute of Chemistry, Food Chemistry, Martin-Luther-University Halle-Wittenberg , Kurt-Mothes-Straße 2, 06120 Halle/Saale, - - 2014
The degradation of isohumulones in mechanistic experiments was investigated. Incubation of trans-isohumulone in the presence of l-proline led to the formation of carboxylic acids and their corresponding proline amides. In the context of isohumulones unknown amides were verified first in model incubations and then in beer for the first time ...
Noble Adam - - 2014
A new coupling protocol has been developed that allows the union of vinyl sulfones with photoredox-generated α-amino radicals to provide allylic amines of broad diversity. Direct C-H vinylations of N-aryl tertiary amines, as well as decarboxylative vinylations of N-Boc α-amino acids, proceed in high yield and with excellent olefin geometry ...
Sarkar Bipul B Catalytic Conversion & Processes Division, CSIR-Indian Institute of Petroleum, Dehradun 248005, India. - - 2014
A material consisting of highly dispersed Cu nanoclusters anchored on nanocrystalline SiO2-MnO2 has been prepared, and was found to act as a bifunctional catalyst for the one- step conversion of glycerol to acrylic acid using H2O2. Under optimized conditions a glycerol conversion of 77.1%, with 74.7% selectivity for acrylic acid, ...
Robb P J PJ Department of Otolaryngology,Epsom and St Helier University - - 2014
Background: Tranexamic acid is a synthetic antifibrinolytic drug. It has been widely available for over 40 years, but only recently has it started to be used routinely in many surgical disciplines. For ENT surgeons, epistaxis and post-tonsillectomy bleeding contribute a significant proportion of the morbidity and emergency workload in a ...
Matsubara Kohei K Molecular Enzyme Technology and Biochemistry, University of Duisburg-Essen, Universitätsstrasse 5, 45117 Essen, - - 2014
2-Keto-3-deoxy-sugar acids are key intermediates of central metabolism and integral constituents of bacterial (lipo)polysaccharides and cell wall components and are therefore continuously and highly demanded in related research fields. The stereospecific chemical synthesis of chiral 2-keto-deoxy-sugar acids involves a multitude of reaction steps, while in metabolic pathways only few conversions ...
Kumar Vineet V Chemistry Division, Forest Research Institute, Dehradun-248006 India. Electronic address: - - 2014
Polysaccharides containing uronic acids are of immense biological significance. Colorimetric methods using different chromogens have been explored for uronic acid estimation in polysaccharides but these methods counter numerous difficulties, when neutral sugars are present in substantial amount. The uronic acid content of cold water-soluble polysaccharide (CWSP) and hot water soluble ...
Le Nôtre Jérôme J Chair of Biobased Commodity Chemistry, Wageningen University & Research Centre, P.O. Box 17, 6700AA Wageningen (The Netherlands), Fax: - - 2014
Methacrylic acid, an important monomer for the plastics industry, was obtained in high selectivity (up to 84 %) by the decarboxylation of itaconic acid using heterogeneous catalysts based on Pd, Pt and Ru. The reaction takes place in water at 200-250 °C without any external added pressure, conditions significantly milder than those ...
Wilger Dale J DJ Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, - - 2014
The direct anti-Markovnikov addition of strong Brønsted acids to alkenes remains an unsolved problem in synthetic chemistry. Here, we report an efficient organic photoredox catalyst system for the addition of HCl, HF and also phosphoric and sulfonic acids to alkenes, with complete regioselectivity. These transformations were developed using a photoredox ...
van Elst Kim K Department of Translational Neuroscience Department of Cognitive Neuroscience, Nijmegen, The - - 2014
K. van Elst, H. Bruining, B. Birtoli, C. Terreaux, J.K. Buitelaar and M.J. Kas. Food for thought; dietary changes in essential fatty acid ratios and the increase in Autism Spectrum Disorders. NEUROSCI BIOBEHAV REV 37 (9) XXX-XXX, 2014 The last decades have shown a spectacular and partially unexplained rise in ...
Takeda Ryosuke R Hamari Chemicals Ltd, 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka, Japan - - 2014
This work presents the first chemical approach for the resolution of α-amino acids offering the following advantages: (1) The specially designed resolving reagent is derived from α-(phenyl)ethylamine, the most inexpensive chiral auxiliary, which can be recycled and reused, rendering the cost structure of the complete process very attractive; (2) the ...
Saito Takao T Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan. tsaito@rs.kagu.tus.ac.jp - - 2014
A new approach towards the synthesis of indole derivatives via triflic acid-promoted cycloisomerization with rearrangement of 2-(alkyn-1-yl)phenyl isothiocyanates and 2-(alkyn-1-yl)phenyl isocyanates has been achieved. By this methodology, structurally diverse types of indole derivatives such as thieno- and furo-indoles, spiro-indolethiones, spiro-oxindoles, and 3-alkylidene-oxindoles were synthesized.
Tateishi-Karimata Hisae H Frontier Institute for Biomolecular Engineering Research (FIBER), Konan University, 7-1-20 Minatojimaminamimachi, Kobe 650-0047, - - 2014
Nucleic acids have become a powerful tool in nanotechnology because of their conformational polymorphism. However, lack of a medium in which nucleic acid structures exhibit long-term stability has been a bottleneck. Ionic liquids (ILs) are potential solvents in the nanotechnology field. Hydrated ILs, such as choline dihydrogen phosphate (choline dhp) ...
Pu Fang F State Key Laboratory of Rare Earth Resource Utilization and Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, - - 2014
Logic gates can convert input signals into a defined output signal, which is the fundamental basis of computing. Inspired by molecular switching from one state to another under an external stimulus, molecular logic gates are explored extensively and recognized as an alternative to traditional silicon-based computing. Among various building blocks ...
Niu Wei W Department of Chemistry, University of Nebraska-Lincoln , Lincoln, Nebraska 68588, United - - 2014
Biocatalytic syntheses are increasingly explored as the alternate platform of chemical production in order to address the sustainable development challenge faced by the current chemical industry. Here, we report the design and implementation of an artificial pathway to convert lactic acid into 1,2-propanediol. It circumvents a highly cytotoxic intermediate that ...
Wu Changyan - - 2014
Preparation of biopolymer based catalysts for the conversion of carbohydrate polymers to new energies and chemicals is a hot topic nowadays. With the aim to develop an ecological method to converse xylose into furfural without use of inorganic acids, biopolymer-derived catalyst (lignosulfonic acid) was successfully used to catalyze xylose into ...
Yang Guoqiang - - 2014
meta-C-H olefination, arylation and acetoxylation of indolines have been developed using nitrile-containing templates. The combination of a mono-protected amino acid ligand and the nitrile template attached at the indolinyl nitrogen via a sulfonamide linkage is crucial for the meta-selective C-H functionalization of electron-rich indolines that are otherwise highly reactive toward ...
Gordún Elena E Department of Agri-Food Engineering and Biotechnology, Universitat Politècnica de Catalunya, - - 2014
The microbiological culture-dependent characterization and physicochemical characteristics of laboratory sourdough prepared with grape (GS) were evaluated and compared with apple (AS) and yogurt (YS), which are the usual Spanish sourdough ingredients. Ripe GS took longer than AS and YS to reach the appropriate acidity and achieved lower values of lactic ...
Scharpf Robert B - - 2014
Hyperuricemia is associated with multiple diseases, including gout, cardiovascular disease, and renal disease. Serum urate is highly heritable, yet association studies of single nucleotide polymorphisms (SNPs) and serum uric acid explain a small fraction of heritability. Whether copy number polymorphisms (CNPs) contribute to uric acid levels is unknown. We assessed ...
Biely Peter P Institute of Chemistry, Center of Glycomics, Slovak Academy of Sciences, Dúbravská cesta 9, SK-84538, Bratislava, - - 2014
Expression of a Trichoderma reesei gene coding for a putative GH30 xylanase in Aspergillus oryzae led to isolation and purification of a novel xylanase exhibiting catalytic properties different from those of the previously characterized GH30 xylanase XYN IV of T. reesei. The novel enzyme, named XYN VI, exhibited catalytic properties similar to appendage-dependent GH30 glucuronoxylanases previously recognized ...
Chakrapani Kalapu K Department of Inorganic and Physical chemistry, Indian Institute of Science, Bangalore, India. - - 2014
Iridium nanostructures with different morphologies are synthesized by a simple, environmentally friendly approach in aqueous media under mild conditions. The morphology dependent electrocatalytic activity of Ir nanochains and nanoparticles towards oxygen reduction reaction (ORR) has been demonstrated in both acidic and alkaline media. Comparative electrochemical studies reveal that nanochains exhibit ...
Sugimoto Mitsushige M First Department of Medicine, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan, - - 2014
The aim of therapeutic regimens using proton pump inhibitors (PPIs) in patients with acid-related diseases is to potently inhibit acid secretion for the full 24 h. However, optimum treatment is still unclear because the pharmacodynamics of PPIs differ among CYP2C19 genotypes and most of the previous studies have had loss of ...
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