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Jie Weiguang W State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China; Department of Food and Environment Engineering, East University of Heilongjiang, Harbin 150086, - - 2014
This study aimed at exploring a new approach for producing volatile fatty acids (VFAs) from excess sludge (ES). Two representative alkali-tolerant bacteria (HIT-01 and HIT-02) were isolated from ES, and inoculated separately or jointly into ES to investigate their effects on VFAs accumulation, soluble organic compounds concentrations, and bacterial community ...
Tanaka Keijitsu K Tsukuba Research and Technology Center, SDS Biotech K.K., Midorigahara, Tsukuba, Ibaraki 300-2646, - - 2014
Two new cyclic lipopeptides (3 and 4) were isolated from the culture filtrate of Bacillus amyloliquefaciens strain SD-32, together with two known metabolites, iso-C15 and iso-C16 bacillomycin D (1 and 2). Spectroscopic and chemical analyses identified the structures of the new compounds 3 and 4 as anteiso-C17 bacillomycin D, cyclic ...
Kimura Koji K Department of Chemistry, Faculty of Liberal Arts and Education, Shiga - - 2014
The neutral glycosphingolipids, mono-, di-, tri- and tetraglycosylceramides (GL-1, GL-2, GL-3, GL-4a and GL-4b), were identified from whole tissues of the marine crab Erimacrus isenbeckii by successive column chromatography with ion exchange Sephadex (QAE-Sephadex), magnesium silicate (Florisil) and silicic acid (Iatrobeads) resins. Through component analysis, sugar analysis, methylation studies, exoglycosidase ...
Viktorova Ekaterina G EG Department of Veterinary Medicine, University of Maryland, College Park, - - 2014
Genome replication of positive strand RNA viruses of eukaryotes is universally associated with specialized membranous structures referred to as replication organelles. Accumulating evidence show that new membrane synthesis is important for the development of the replication organelles of diverse picornaviruses and likely for other positive strand RNA viruses as well. ...
Huang Haofei H College of Chemical Engineering, Shandong University of Technology, Zibo 255049 (P.R. China); Department of Chemistry and Nanosciences, Ewha Womans University, Daehyun-dong 11-1, Seoul 120-750 (Korea), Fax: - - 2014
The hydroxyphenyl chiral ketone, (S)-3, reacts with D-amino acids bearing hydrophobic side chains exclusively over the L-amino acids in a two-phase liquid-liquid extraction, and thus acts as a highly stereoselective extractant. Calculations for the energy-minimized structures for the imine diastereomers and the comparison of the selectivities with other phenyl ketones, ...
Gu Hanqi H State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, - - 2014
Industrial waste corncob residues (CCR) are rich in cellulose and can be hydrolyzed directly without pretreatment. However, a poor fermentation performance was frequently observed in the simultaneous saccharification and ethanol fermentation (SSF) of CCR, although the furans and organic acid inhibitors were very low. In this study, the high level ...
Youn Kumju K 1 Department of Food Science and Nutrition, Dong-A University , Saha-gu, Busan, - - 2014
Abstract In our ongoing research to find therapeutic compounds for Alzheimer's disease (AD) from natural resources, the inhibitory activity of the BACE1 enzyme by Tenebrio molitor larvae and its major compounds were evaluated. The T. molitor larvae extract and its fractions exhibited strong BACE1 suppression. The major components of hexane ...
Grecco Simone dos S Sdos - - 2014
Bioassay-guided fractionation of the EtOH extract of the aerial parts of Baccharis uncinella C. DC. (Asteraceae) led to identification of two cinnamic acid derivatives (caffeic and ferulic acids), two flavones (hispidulin and pectolinaringenin) and a mixture of three chlorogenic acids (3,4-, 3,5- and 4,5-O-dicaffeoylquinic acids), which displayed in vitro anti-trypanosomal ...
Petreus Tudor T Gr.T.Popa University of Medicine and Pharmacy Iasi, 16 Universitatii Str., 700115, Iasi, Romania, - - 2014
Chemical modification of cellulose by phosphorylation enhances its bioactivity and provides new derivatives and materials with specific end uses. In the present study, cellulose derivatized with phosphorous acid was obtained using the reaction of microcrystalline cellulose with phosphorous acid-urea mixture, in molten state, in comparison with others methods that used ...
Platero Ana Isabel AI Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide/Consejo Superior de Investigaciones Científicas/Junta de Andalucía, and Departamento de Biología Molecular e Ingeniería Bioquímica, Universidad Pablo de - - 2014
The Pseudomonas sp. ADP plasmid pADP-1 encodes the activities involved in the hydrolytic degradation of the s-triazine herbicide atrazine. Here we explore the presence of a specific transport system for the central intermediate of the atrazine utilization pathway, cyanuric acid, in Pseudomonas sp. ADP. Growth in fed-batch cultures containing limiting ...
Singh Pradeep Pratap PP a Bio-Organic Laboratory, Department of Chemistry , University of Delhi , Delhi 110007 , - - 2014
An activity-guided isolation and purification process was used to identify the l,l-diphenyl-2-picrylhydrazyl (DPPH) free radical-scavenging components of the food plant (Terminalia arjuna) of Antheraea mylitta. Dry leaves of T. arjuna were extracted with different solvents and tested for their antioxidant activity against DPPH(•). The acetone-water (8:2) extract expressed strong DPPH ...
Filannino P P Department of Soil, Plant and Food Science, University of Bari Aldo Moro, I-70126 Bari - - 2014
Strains of Lactobacillus plantarum were grown and stored in cherry (ChJ), pineapple (PJ), carrot (CJ) and tomato (TJ) juices to mimic the chemical composition of the respective matrices. Wheat flour hydrolysate (WFH), whey milk (W), and MRS broth were also used as representative of other ecosystems. The growth rate and ...
Bhat Rajeev R Food Technology Division, School of Industrial Technology, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia. Electronic address: - - 2014
Belinjau (Gnetum gnemon L.) seed flour was evaluated for nutritional composition, antioxidant activity and functional properties. Seed flour was found to be rich in protein (19.0g/100g), crude fibre (8.66g/100g), carbohydrates (64.1%), total dietary fibre (14.5%) and encompassed adequate amounts of essential amino acids, fatty acids and minerals. Antioxidant compounds such ...
Lim Ze Long ZL Bioriginal Food and Science Corporation, Saskatoon, SK, S7N 0W9, - - 2014
Although ω3- and ω6- desaturases have been well studied in terms of substrate preference and regiospecificity, relatively little is known about the membrane-bound, "front-end" long chain fatty acid desaturases, such as ∆4, Δ5 or Δ6 desaturases. The first vertebrate ∆4 desaturase was recently identified in the marine teleost fish Siganus ...
Santos Nathalia O NO Department of Biochemical Engineering, School of Chemistry, Federal University of Rio de Janeiro, Cidade Universitária, Centro de Tecnologia, Bl. E, Sl. 203, Ilha do Fundão, 21941-909 Rio de Janeiro, - - 2014
Methane production from marine microalgae Isochrysis galbana was assessed before and after mechanical and chemical pretreatments. Mechanical pretreatment resulted in a 61.7% increase in soluble Chemical Oxygen Demand. Different hydrolysis conditions were evaluated by varying temperature - T, sulfuric acid concentration - AC and biomass suspension concentration (measured as particulate ...
Ji Min-Kyu MK Department of Environmental Engineering, Yonsei University, Wonju 220-710, South - - 2014
Effect of mine wastewater on the nutrient removal efficiency of a green microalga Micratinium reisseri from concentrated municipal wastewater (CMW) with simultaneous lipid production was investigated. Different dilution ratios (1-10%) of CMW either with mine wastewater (MWF) or mine wastewater without Fe (MWOF) were used. M. reisseri showed the highest ...
Souza Karla Silva Teixeira - - 2014
In this study, crude glycerol was used as carbon source in the cultivation of wild yeasts aiming to the production of microbial lipids and citric acid. Forty yeasts of different sources were tested concerning their growth in crude and commercial glycerol. Four yeasts (Lidnera saturnus UFLA CES-Y677, Yarrowia lipolytica UFLA ...
Morita Yuya Y Department of Chemical Systems Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 (Japan), Fax: (+81) 3-5841-7300 - - 2014
Layered niobium molybdate (HNbMoO6 ) was used in the aqueous-phase dehydration of sorbitol and was found to exhibit remarkable selectivity toward its monomolecular-dehydrated intermediate 1,4-sorbitan. This was attributed to the selective intercalation of sorbitol within the interlayers with strong Brønsted acid sites.
Soni Jigar N JN Department of Chemistry, Faculty of Science, The M.S. University of Baroda, Vadodara 390002, - - 2014
We have synthesized various amide derivatives of benzodifuran-2-carboxylic acid from resorcinol. Reaction of 7-hydroxy-4-methylcoumarin with chloroacetone in anhydrous K2CO3 and dry acetone gave ether derivative of 7-hydroxy-4-methylcoumarin 3 which on reaction with N-bromosuccinimide in chloroform gave corresponding 3-bromo derivative 4. Cyclization of bromo derivative in 10% ethanolic KOH gave benzodifuran-2-carboxylic ...
Zhang Xiaomin X 1] State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China [2] University of Chinese Academy of Sciences, Beijing 100049, - - 2014
Tightening environmental legislation is driving the chemical industries to develop efficient solid acid catalysts to replace conventional mineral acids. Polystyrene sulphonic acid resins, as some of the most important solid acid catalysts, have been widely studied. However, the influence of the morphology on their acid strength-closely related to the catalytic ...
Zhong Yin Y State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Wushan, Guangzhou 510640, - - 2014
Hydrometallurgy is an acid leaching based process widely used for recovering precious metals from electronic wastes (e-wastes). The effects of acid leaching on the fate of brominated flame retardants (BFRs) in typical hydrometallurgical processes remain largely unknown. This study was aimed at evaluating the fate of tetrabromobisphenol A (TBBPA), a ...
Bornø Andreas A Clinical Metabolomics Core Facility (CMCF), Rigshospitalet, Section 7652, Ole Maaløesvej 26, 2100 Copenhagen, Denmark. Electronic address: - - 2014
An important area within clinical functional metabolomics is in vivo amino acid metabolism and protein turnover measurements for which accurate amino acid concentrations and stable isotopically labeled amino acid enrichments are mandatory not the least when tissue metabolomics is determined. The present study describes a new sensitive liquid chromatography tandem ...
Coello Laura L Medicinal Chemistry Department, PharmaMar S. A., Pol. Ind. La Mina Norte , Avenida de los Reyes 1, 28770, Colmenar Viejo (Madrid), - - 2014
Two new cyclic depsipeptides, pipecolidepsins A and B (1 and 2), have been isolated from the sponge Homophymia lamellosa collected off the coast of Madagascar. Their structures were determined by a combination of NMR experiments and by LC-MS analysis of the amino acid fragments obtained by hydrolysis and derivatization using ...
Szostak Michal M School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK. michal.szostak@manchester.ac.uk - - 2014
Structural characterisation and reactivity of new tetrahedral intermediates based on a highly modular barbituric acid scaffold, formed via chemoselective electron transfer using the SmI2-H2O reagent, are reported. Lewis acid promoted cleavage of bicyclic α-amino alcohols affords vinylogous N-acyliminium ions, which undergo selective (>95 : 5, 1,4 over 1,2) capture with a suite ...
Yildiz Fitnat F Department of Microbiology and Environmental Toxicology, University of California Santa Cruz, Santa Cruz, California, United States of - - 2014
The ability to form biofilms is important for environmental survival, transmission, and infectivity of Vibrio cholerae, the causative agent of cholera in humans. To form biofilms, V. cholerae produces an extracellular matrix composed of proteins, nucleic acids and a glycoconjugate, termed Vibrio exopolysaccharide (VPS). Here, we present the data on ...
Sato Renata Takabayashi RT Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora, Cidade Universitária CEP, 36036-330, Juiz de Fora, MG, - - 2014
Olive oil is a very important product to human health since it inhibits formation of free radicals, tumour growth, lesions and inflammatory substances. High concentrations of free fatty acids in olive oils results in lipid deterioration due to oxidative or hydrolytic rancidity. To optimise an alternative capillary zone electrophoresis methodology, ...
Lai Mei-Chun MC Department of Chemistry, Center for Nanotechnology and Center for Biomedical Technology at Chung-Yuan Christian University, Chung Li, Taiwan 32023, Republic of - - 2014
Thermosensitive hydrogels are renowned carriers that are used to deliver a variety of drugs with the aim of combating diseases. In this study, the injectability of thermosensitive hydrogels comprised of poly(ethylene glycol)-poly(lactic acid-co-glycolic acid)-poly(ethylene glycol) (PEG-PLGA-PEG, PELGE) and hydroxyapatite (HA) were examined for their ability to deliver bone morphological protein ...
Tareq Fakir Shahidullah FS Department of Marine Biotechnology, University of Science and Technology , Republic of - - 2014
Gageotetrins A-C (1-3), a unique class of linear lipopeptides, consisting of di- and tetrapeptides and a new fatty acid were isolated from a Marine Bacillus subtilis. The structures of 1-3 were assigned by spectroscopic data and their absolute stereochemistries were ascertained by chemical derivatization. Compounds 1-3 displayed good antimicrobial activities ...
Kaise Hiromi H Graduate School of Pharmaceutical Sciences, University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, - - 2014
Redox transformation of an α,β-unsaturated aldehyde to a carboxylic acid derivative by means of a combination of TMSCN and DBU was investigated. In addition to the wide use of the carboxylic acid derivatives provided by this reaction, temperature-dependent control of the kinetic or thermodynamic protonation pattern was found to selectively ...
He Jie - - 2014
Monodisperse porous zirconia (ZrO2) microspheres with nanocrystallized framework were fabricated by impregnation of porous polymer microspheres as a novel hard template with zirconia precursors followed by calcination to remove the template. Porous phosphorylated zirconia (PhZr) microspheres were prepared by further treating porous zirconia microspheres with phosphoric acid. The morphology, structure, ...
Mittal Nisha N Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey , Piscataway, New Jersey 08854, United - - 2014
A conjugate-base-stabilized Brønsted acid facilitates catalytic enantioselective Pictet-Spengler reactions with unmodified tryptamine. The chiral carboxylic acid catalyst is readily assembled in just two steps and enables the formation of β-carbolines with up to 92% ee. Achiral acid additives or in situ Boc-protection facilitate catalyst turnover.
Ghaddar Kassem K ULB, - - 2014
Amino-acid uptake in yeast cells is mediated by about sixteen plasma membrane permeases, most of which belong to the APC (amino acid, polyamine, organocation) transporter family. These proteins display various substrate specificity ranges. For instance, the general amino-acid permease Gap1 transports all amino acids, whereas Can1 and Lyp1 catalyze specific ...
Singh Purnima P Birla Institute of Technology and Science (BITS), Pilani-K.K. Birla Goa Campus, Zuarinagar, Goa 403726, India. Electronic address: - - 2014
A psychrophilic yeast species was isolated from glacier cryoconite holes of Svalbard. Nucleotide sequences of the strainswere studied using D1/D2 domain, ITS region and partial sequences of mitochondrial cytochrome b gene. The strains belonged to a clade of psychrophilic yeasts, but showed marked differences from related species in the D1/D2 ...
Hami Zahra Z Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, - - 2014
pH-responsive docetaxel-conjugated poly (lactic acid) (PLA)-polyethyleneglycol (PEG) micellar formulation was synthesized via acid labile hydrazone linkage. Levulinic acid (LEV) was used as a linker between docetaxel (DTX) and hydrazine. Targeted delivery of DTX was achieved by conjugation of folate to PEG segment. The DTX conjugated polymeric micelles were about 181nm ...
Jebali Ali A Department of Medical Physics and Biomedical Engineering, Shahid Beheshti University of Medical Sciences , Tehran , Iran - - 2014
Abstract Nanoparticles (NPs) can adsorb different molecules, because of their high local charge density and specific surface area. The toxicity of NPs is changed after adsorption, which may be different from unbound or unbound NPs. In this study, unbound silver nanoparticles (Ag NPs) and Ag NPs coated with different free ...
Belcher James J The University of Manchester, United - - 2014
The production of hydrocarbons in Nature has been documented for only a limited set of organisms, with many of the molecular components underpinning these processes only recently identified. There is an obvious scope for application of these catalysts, and engineered variants thereof, in future production of biofuels. Here we present ...
Wu Fang-Chen FC Department of Bioindustry Technology, Da-Yeh University, Changhua, - - 2014
Gracilaria sp., a red alga, was used as a feedstock for the production of bioethanol. Saccharification of Gracilaria sp. by sequential acid and enzyme hydrolysis in situ produced a high quality hydrolysate that ensured its fermentability to produce ethanol. The optimal saccharification process resulted in total 11.85g/L (59.26%) of glucose ...
Manikandan Rajendran R Department of Chemistry, Indian Institute of Science Education and Research , Pune 411021, - - 2014
Acetanilides reacted with symmetrical as well as unsymmetrical alkynes in the presence of [{RuCl2(p-cymene)}2], pivalic acid, and AgSbF6 in iso-PrOH providing ortho-alkenylated acetanilides in a highly regio- and stereoselective manner. Later, ortho-alkenylated acetanilides were converted into ortho-alkenylated anilines in the presence of HCl.
Liu Jun J College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China. Electronic address: - - 2014
In this study, two water soluble chitosan derivatives were synthesized by grafting caffeic acid (CA) and ferulic acid (FA) onto chitosan via a free radical mediated method. The structural characterization, antioxidant activity in vitro and in vivo of chitosan derivatives were determined. Results showed that the UV-vis absorption peaks of ...
van der Straat Laura - - 2014
Aspergillus terreus is a natural producer of itaconic acid and is currently used to produce itaconic acid on an industrial scale. The metabolic process for itaconic acid biosynthesis is very similar to the production of citric acid in Aspergillus niger. However, a key enzyme in A. niger, cis-aconitate decarboxylase, is ...
Méndez-García Celia C Departamento de Biología Funcional-IUBA, Universidad de Oviedo, Oviedo, - - 2014
Macroscopic growths at geographically separated acid mine drainages (AMDs) exhibit distinct populations. Yet, local heterogeneities are poorly understood. To gain novel mechanistic insights into this, we used OMICs tools to profile microbial populations coexisting in a single pyrite gallery AMD (pH ∼2) in three distinct compartments: two from a stratified ...
Liu Jifeng J a School of Pharmaceutical Science, Zhengzhou University , Ke Xue Da Dao 100, Zhengzhou , 450001 , People's Republic of - - 2014
One new inositol triester, 4,5,6-tri-O-p-hydroxyphenylacetyl-chiro-inositol (1), was isolated from the ethanolic extract of Taraxacum mongolicum, along with two known compounds, 11β,13-dihydrotaraxinic acid (2) and taraxinic acid β-d-glucopyranosyl ester (3). The isolates were tested for their anti-hepatitis B virus (HBV) activities; 11β,13-dihydrotaraxinic acid (2) exhibited an IC50 value of 0.91 mM inhibiting ...
Smith Siobhan Rose - - 2014
The isothiourea HBTM-2.1 catalyzes the asymmetric formal [2+2] cycloaddition of both arylacetic acids and 2-arylacetic anhydrides with N-sulfonyl aldimines, generating stereodefined 2,3-diaryl-beta-amino esters (after ring-opening) and 3,4-diaryl-anti-beta-lactams respectively with high diastereocontrol (up to >95:5 dr) and good to excellent enantiocontrol.
Duncan Elizabeth M EM aHaematology Division, South Australia Pathology bSansom Institute for Health Research, University of South Australia, Adelaide, South Australia, - - 2014
The in-vitro lysis of plasma clots in acetic acid generally indicates a Factor XIII deficiency that is confirmed by quantitative assay. However, there are two rare, poorly understood circumstances whereby clot lysis in acid occurs when factor XIII activity levels are normal: the presence of either an atypical antifactor XIII ...
Danä Ladislav L Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Bratislava, Slovak - - 2014
A new microchip electrophoresis (ME) method for the determination of oxalic, citric, glycolic, lactic, and 2‐ and 3‐ hydroxybutyric acids, indicators of some metabolic and neurological diseases, in cerebrospinal fluid (CSF) was developed. ME separations were performed on a polymethylmethacrylate microchip with coupled channels (CC) at lower pH (5.5) to ...
Moustafa Moustafa Sherief MS Department of Chemistry, Faculty of Science; University of Kuwait, Safat, 13060, P.O. Box 5969, - - 2014
Novel routes for the preparation of 2-amino-4H-pyran-3-carbonitrile 9, amino-arylbenzoic acid ester derivatives 13a,b, 2-aminotetrahydro-4H-chromene-3-carbonitrile 18, 3-amino-4-cyanotetrahydronaphthalene-2-carboxylic acid ester 26 and 4-amino-3,5-dicyanophthalic acid ester derivatives 37a-c were developed. The synthetic methods utilize one-pot reactions of acetylene carboxylic acid esters, α,β-unsaturated nitriles and/or active methylenenitriles in the presence of L-proline or DABCO. ...
Zhao Wei-Ming WM College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou, 450052, China. - - 2014
A novel and efficient silver catalyzed decarboxylative direct C2-alkylation of benzothiazoles with carboxylic acids for the synthesis of 2-alkyl benzothiazoles was developed.
Rath Emma M EM Faculty of Pharmacy, University of Sydney, NSW, 2006, - - 2014
BAMLET (Bovine Alpha-lactalbumin Made LEthal to Tumours) is a member of the family of the HAMLET-like complexes, a novel class of protein-based anti-cancer complexes that incorporate oleic acid and deliver it to cancer cells. Small angle X-ray scattering (SAXS) was carried out on the complex at pH 12, examining the ...
Moens Frédéric F Research Group of Industrial Microbiology and Food Biotechnology, Faculty of Sciences and Bioengineering Sciences, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, - - 2014
Four cocoa-specific acetic acid bacteria (AAB) strains, namely Acetobacter pasteurianus 386B, Acetobacter ghanensis LMG 23848(T), Acetobacter fabarum LMG 24244(T), and Acetobacter senegalensis 108B, were analyzed kinetically and metabolically during monoculture laboratory fermentations. A cocoa pulp simulation medium (CPSM) for AAB, containing ethanol, lactic acid, and mannitol was used. All AAB ...
Mandotra S K SK Algology Laboratory, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow, Uttar Pradesh 226 001, India; Department of Biological Sciences, Sam Higginbottom Institute of Agriculture, Technology and Sciences, Allahabad, Uttar Pradesh 211 007, India. Electronic address: - - 2014
Present investigation studied the potential of fresh water green microalga Scenedesmus abundans as a feedstock for biodiesel production. To study the biomass and lipid yield, the culture was grown in BBM, Modified CHU-13 and BG-11 medium. Among the tested nitrogen concentration using Modified CHU-13 medium, the highest biomass and lipid ...
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