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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 ...
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 ...
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 ...
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 ...
Mittasch Juliane J Interdisciplinary Center for Crop Plant Research, Martin-Luther University Halle-Wittenberg, Hoher Weg 8, D-06120 Halle, - - 2014
A cDNA encoding the ester-forming hydroxybenzoic acid glucosyltransferase UGT84A13 was isolated from a cDNA library of Quercus robur swelling buds and young leaves. The enzyme displayed high sequence identity to resveratrol/hydroxycinnamate and hydroxybenzoate/hydroxycinnamate glucosyltransferases from Vitis species and clustered to the phylogenetic group L of plant glucosyltransferases, mainly involved in ...
Pavlovskaya Tatyana L TL State Scientific Institution "Institute for Single Crystals" of National Academy of Sciences of Ukraine, 60, Lenin ave., Kharkov, 61178, - - 2014
The regioselective three-component condensation of azomethine ylides derived from isatins and α-amino acids with acrylamides or aroylacrylic acids as dipolarophiles has been realized through a one-pot 1,3-dipolar cycloaddition protocol. Decarboxylation of 2'-aroyl-2-oxo-1,1',2,2',5',6',7',7a'-octahydrospiro[indole-3,3'-pyrrolizine]-1'-carboxylic acids is accompanied by cyclative rearrangement with formation of dihydropyrrolizinyl indolones.
Henstock J R JR Institute for Science and Technology in Medicine, Keele University, Stoke-on-Trent, ST4 7QB, UK, - - 2014
Silicon is an essential element for healthy bone development and supplementation with its bioavailable form (silicic acid) leads to enhancement of osteogenesis both in vivo and in vitro. Porous silicon (pSi) is a novel material with emerging applications in opto-electronics and drug delivery which dissolves to yield silicic acid as ...
Shuklov Ivan A IA Leibniz-Institut für Katalyse an der Universität Rostock e.V. Albert-Einstein-Strasse 29a, 18059 Rostock (Germany), Fax: (+49) 381-1281-5202;. - - 2014
The preparation of racemic or enantioenriched propane-1,2-diol from dilactides, oligolactides, or poly-L-lactic acid (PLLA) is described. The transformation is carried out as tandem reactions in MeOH, covering hydrolysis and subsequent hydrogenation by using copper chromite as a catalyst. The starting material present undesired side products of the PLLA synthesis or ...
Wang Hong-Min HM a Department of Natural Products Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203 , - - 2014
Four new triterpenoids, 2-O-acetyl-3-O-(4'-O-acetyl)-α-l-arabinopyranosylmaslinic acid (1), 2-O-acetyl-3-O-(3'-O-acetyl)-α-l-arabinopyranosylmaslinic acid (2), 2-O-acetyl-3-O-(3',4'-O-diacetyl)-α-l-arabinopyranosylmaslinic acid (3), and 3-O-(3'-O-acetyl)-α-l-arabinopyranosyloleanolic acid (4), together with six known triterpenoids, 3-O-(4'-O-acetyl)-α-l-arabinopyranosyloleanolic acid (5), maslinic acid (6), 2-O-acetylmaslinic acid (7), 3-O-acetylmaslinic acid (8), betulinic acid (9), and 2α-hydroxy-3β-O-acetylbetulinic acid (10), were isolated from the EtOAc extract of Garcinia hanburyi resin. ...
Lang Karsten - - 2014
Over the recent years the production of Ehrlich pathway derived chemicals was shown in a variety of hosts such as Escherichia coli, Corynebacterium glutamicum, and yeast. Exemplarily the production of isobutyric acid was demonstrated in Escherichia coli with remarkable titers and yields. However, these examples suffer from byproduct formation due ...
Sun Xiaofeng - - 2014
Supramolecular hydrogels were prepared in the mixtures of biological surfactant sodium deoxycholate (NaDC) and halide salts (NaCl and NaBr) in sodium phosphate buffer. It is very interesting that with the addition of two kinds of amino acids (L-Lysine and L-Arginine) to NaDC/NaX hydrogels, the gel becomes solution at room temperature. ...
Lee Jin-Hyung JH School of Chemical Engineering, Yeungnam University, Gyeongsan 712-749, Republic of - - 2014
Infection by enterohemorrhagic Escherichia coli O157:H7 (EHEC) is a worldwide problem, and there is no effective therapy. Biofilm formation is closely related to EHEC infection and is also a mechanism of antimicrobial resistance. Antibiofilm screening of 560 purified phytochemicals against EHEC showed that ginkgolic acids C15:1 and C17:1 at 5μg/ml ...
Saha Rumpa R Bishnupur K.G. Engineering Institute, Bishnupur, Bankura 722122, WB, India; Department of Chemistry, The University of Burdwan, Golapbag, Burdwan 713104, WB, India. Electronic address: - - 2014
In aqueous acidic media, picolinic acid, 2,2'-bipyridine and 1,10-phenanthroline promoted Cr(VI) oxidation of 1-butanol produces 1-butanal. 1-butanal is separated from mixture by fractional distillation. The anionic surfactant (SDS) and neutral surfactant (TX-100) accelerate the process while the cationic surfactant (CPC) retards the reaction. Combination of bipy and SDS is the ...
Kevvai Kaspar K Competence Centre of Food and Fermentation Technologies, Akadeemia tee 15a, 12618, Tallinn, Estonia, - - 2014
Lactococcus lactis subsp. lactis IL1403 was grown in medium containing unlabelled free amino acids and (15)N-labelled yeast hydrolysate to gain insight into the role of peptides as a source of amino acids under conditions where free amino acids are abundant. A mathematical model was composed to estimate the fluxes of ...
Shvadchak Volodymyr V - - 2014
α-Synuclein is an 140 amino-acid protein that can switch conformation between intrinsically disordered in solution, helical on membrane, and β-sheet in amyloid fibrils. Using fluorescence of single tryptophan mutants we determined the immersion of different regions of the protein into lipid membranes. Our results suggest the presence of a flexible ...
Tamiaki Hitoshi H Graduate School of Life Sciences, Ritsumeikan University, Kusatsu, Shiga 525-8577, Japan. Electronic address: - - 2014
A chlorophyll-a derivative bonded directly with epoxide at the peripheral position of the chlorin π-system was reacted with N-urethane and C-ester protected amino acids bearing an alcoholic or phenolic hydroxy group as well as a carboxy group at the residue to give chlorophyll-amino acid conjugates. The carboxy residues of N,C-protected ...
Forrellad Marina Andrea MA Instituto de Biotecnología, CICVyA - INTA, N. Repetto and De los Reseros, Hurlingham 1686, - - 2014
Tuberculosis is one of the leading causes of mortality throughout the world. Mycobacterium tuberculosis, the causative agent of human tuberculosis, has developed several strategies involving proteins and other compounds known collectively as virulence factors to subvert human host defences and invade the human host. The Mce proteins are among these ...
Ozcan Mehmet Musa MM Department of Food Engineering, Faculty of Agriculture, Selcuk University, 42031 Konya, - - 2014
Free fatty acid contents of sprouted soybean oil were found between 1.26% (Adasoy) and 4.20% (Nazlıcan and Türksoy). Peroxide values (PV) of sprouted soybean oils were found between 1.52meq/kg (Adasoy) and 3.85meq/kg (A3935), while peroxide values of roasted seed oils were determined between 2.52meq/kg (Adasoy) and 4.03meq/kg (Nova). Palmitic, oleic ...
Schnitzer Morris - - 2014
Two methods are proposed for increasing the commercial value of wheat straw based on its chemical constituents. The first method involves the determination and extraction of the major organic components of wheat straw, and the second involves those found and extracted in the aqueous and viscous biooils derived from the ...
Zafeiraki Effrosyni - - 2014
Perfluorinated compounds (PFCs) are used in food packaging materials as coatings/additives for oil and moisture resistance. In the current study, foodstuff-packaging materials collected from the Greek market, made of paper, paperboard or aluminum foil were analyzed for the determination of PFCs. For the analysis of the samples, pressurized liquid extraction ...
Ono Masateru M School of Agriculture, Tokai - - 2014
Five new resin glycosides having macrolactone structures (jalapins), named calysolins V-IX (1-5), were isolated from the leaves, stems, and roots of Calystegia soldanella ROEM. et SCHULT. (Convolvulaceae). Their structures were determined on the basis of spectroscopic data as well as chemical evidence. The isolated compounds could be classified into two ...
Hunt Mary C MC Dublin Institute of Technology, College of Sciences & Health, School of Biological Sciences, Kevin Street, Dublin 8, Ireland. Electronic address: - - 2014
Peroxisomes are nearly ubiquitous organelles involved in a number of metabolic pathways that vary between organisms and tissues. A common metabolic function in mammals is the partial degradation of various (di)carboxylic acids via α- and β-oxidation. While only a small number of enzymes catalyze the reactions of β-oxidation, numerous auxiliary ...
Agler M T MT Department of Biological and Environmental Engineering, 214 Riley-Robb Hall, Cornell University, Ithaca, NY 14853, USA E-mail: la249@cornell.edu; Current address: Department of Plant-Microbe Interactions, Max Planck Institute for Plant Research, Carl-von-Linné Weg 10, 50829 Cologne, - - 2014
High productivity and specificity in anaerobic digesters arise because complex microbiomes organize into a metabolic cascade to maximize energy recovery and to utilize the advantage that the gaseous end product methane freely bubbles out of the system. These lessons were applied to ascertain whether a reactor microbiome could be shaped ...
Dobaradaran Sina - - 2014
Trichloroethene and tetrachloroethene are the most common pollutants in groundwater and two of the priority pollutants listed by the U.S. Environmental Protection Agency. In previous studies on TCE and PCE photolysis and photochemical degradation, concentration ranges exceeding environmental levels by far with millimolar concentrations of TCE and PCE have been ...
Ramond Elodie E Université Paris Descartes, Sorbonne Paris Cité, Bâtiment Leriche, Paris, France ; INSERM, U1002, Unité de Pathogénie des Infections Systémiques, Paris, - - 2014
Intracellular bacterial pathogens have developed a variety of strategies to avoid degradation by the host innate immune defense mechanisms triggered upon phagocytocis. Upon infection of mammalian host cells, the intracellular pathogen Francisella replicates exclusively in the cytosolic compartment. Hence, its ability to escape rapidly from the phagosomal compartment is critical ...
Pandit Santosh S Department of Preventive Dentistry, Chonbuk National University, Jeonju 561-756, Republic of - - 2014
Withania somnifera (Ashwagandha) is a plant of the Solanaceae family. It has been widely used as a remedy for a variety of ailments in India and Nepal. The plant has also been used as a controlling agent for dental diseases. The aim of the present study was to evaluate the ...
Azmi Mohamad Nurul MN Department of Chemistry, Faculty of Science, University Malaya, Kuala Lumpur 50603, Malaysia. - - 2014
A phytochemical investigation of the methanolic extract of the bark of Endiandra kingiana led to the isolation of seven new tetracyclic endiandric acid analogues, kingianic acids A-G (1-7), together with endiandric acid M (8), tsangibeilin B (9) and endiandric acid (10). Their structures were determined by 1D- and 2D-NMR analysis ...
Dhara Rupali R Food Engineering and Technology Department, Institute of Chemical - - 2014
Diacylglycerol (DAG)-rich sunflower oil was prepared and the optimal conditions for synthesis of DAG-rich oil by glycerolysis using biocatalyst TLIM was determined. A maximum production of 59.8% DAG was obtained after 5 h of constant reaction under vacuum (756 mm of Hg). The optimum temperature for glycerolysis was found to ...
Yu Zhiliang Z 0000-0003-4849-7055 College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310014, - - 2014
L-amino acid oxidase (LAAO) is attracting more attentions due to its broad and important biological functions. Recently, an LAAO-producing marine microorganism (strain B3) was isolated from the intertidal zone of Dinghai sea area, China. Physiological, biochemical, and molecular identifications together with phylogenetic analysis congruously suggested that it belonged to the ...
Zacharof M-P MP Centre for Complex Fluid Processing (CCFP), College of Engineering, Swansea University, Talbot Building, Swansea, SA2 8PP, UK and Centre for Water Advanced Technologies and Environmental Research (CWATER), College of Engineering, Swansea University, Talbot Building, Swansea, SA2 8PP, UK E-mail: - - 2014
Waste effluents from anaerobic digesters of agricultural waste were treated with a range of membranes, including microfiltration and nanofiltration (NF), to concentrate volatile fatty acids (VFA). Microfiltration was applied successfully to produce sterile, particle-free solutions with a VFA concentration of 21.08 mM of acetic acid and 15.81 mM of butyric ...
Ambrozova Jarmila Vavra JV Department of Food Analysis and Chemistry, Faculty of Technology, Tomas Bata University in Zlin, nam. T. G. Masaryka 5555, Zlin CZ-760 01, Czech Republic. - - 2014
Total lipid contents of green (Chlorella pyrenoidosa, C), red (Porphyra tenera, N; Palmaria palmata, D), and brown (Laminaria japonica, K; Eisenia bicyclis, A; Undaria pinnatifida, W, WI; Hizikia fusiformis, H) commercial edible algal and cyanobacterial (Spirulina platensis, S) products, and autotrophically cultivated samples of the green microalga Chlorella kessleri (CK) ...
Durkes Abigail A Department of Comparative Pathobiology, College of Veterinary Medicine (Durkes), Purdue University, West Lafayette, - - 2014
Bicarbonate is critical for acid-base tissue homeostasis. In this study we investigated the role of bicarbonate ion transport in vocal fold epithelial defense to acid challenges. Acidic insults to the larynx are common in gastric reflux, carcinogenesis and metastasis, and acute inflammation. Ion transport was measured in viable porcine vocal ...
Dong Shengzhao S Beijing Key Laboratory of Bioprocess, The Biorefinery Research and Engineering Center of the Ministry of Education of China, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, - - 2014
Haematococcus pluvialis is one of the potent organisms for production of astaxanthin. Up to now, no efficient method has been achieved due to its thick cell wall hindering solvent extraction of astaxanthin. In this study, four different methods, hydrochloric acid pretreatment followed by acetone extraction (HCl-ACE), hexane/isopropanol (6 : 4, v/v) mixture ...
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