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Han Jin J 302 Military Hospital of China, Beijing 100039, - - 2014
The anti-bacterial activities of three types of di-O-caffeoylquinic acids (diCQAs) in Lonicera japonica flowers, a traditional Chinese medicine (TCM), on Bacillus shigae growth were investigated and compared by microcalorimetry. The three types of diCQAs were 3, 4-di-O-caffeoylquinic acid (3, 4-diCQA), 3, 5-di-O-caffeoylquinic acid (3, 5-diCQA), and 4, 5-di-O-caffeoylquinic acid (4, ...
Zhao Peng P Engineering Research Center of Sustainable Development and Utilization of Biomass Energy, Ministry of Education, Kunming 650500, China; College of Life Sciences and Biotechnology, Kunming University of Science and Technology, Kunming 650500, - - 2014
To improve lipid productivity, co-cultivation of Chlorella sp. U4341 and Monoraphidium sp. FXY-10 for lipid production was studied. Compared with mono-cultivations, co-cultivation of the two microalgae significantly increased the accumulation of total biomass and total lipid yield, and enhanced the lipid productivity (29.52 mg L(-1) d(-1)). Fatty acid compositions significantly varied in different ...
Mai Van Chung VC Department of Plant Physiology, Poznań University of Life Sciences, Wołyńska 35, 60-637 Poznań, Poland; Department of Plant Physiology, Vinh University, Le Duan 182, Vinh City, Viet - - 2014
This study demonstrates the sequence of enhanced generation of signal molecules such as phytohormones, i.e. jasmonic acid (JA), ethylene (ET), salicylic acid (SA), and a relatively stable free radical, nitric oxide (NO), in response of Pisum sativum L. cv. Cysterski seedling leaves to the infestation of pea aphid Acyrthosiphon pisum ...
Yang Yu Jun YJ School of Chemistry and Chemical Engineering, Xuchang University, Xuchang, Henan 461000, China. Electronic address: - - 2014
We have developed hexadecyl trimethyl ammonium bromide (CTAB) functionalized graphene oxide (GO)/multiwalled carbon nanotubes (MWNTs) modified glassy carbon electrode (CTAB-GO/MWNT) as a novel system for the simultaneous determination of dopamine (DA), ascorbic acid (AA), uric acid (UA) and nitrite (NO2(-)). The combination of graphene oxide and MWNTs endow the biosensor ...
Yang Mei - - 2014
Rapeseeds were treated with microwaves under 800 W for 0, 1, 2, 3, 4, 5, 6, 7, and 8 min at a frequency of 2,450 MHz and oil was extracted with a press to investigate influence on phenolic compounds, including sinapine, the main free phenolic acids, and canolol content in ...
Craig Norman C - - 2014
As shown by the rates of proton-deuteron exchange in ethylenes with halogen substituents, the weak acidity of vinyl CH bonds is enhanced by halogen substitution. Relative rates of exchange in basic deuterium oxide reflect the relative acidities. Substitution in the α position has the strongest effect. Less electronegative halogens such ...
Das Ratul Kumar RK Bioprocessing And Nano-Enzyme Formulation Facility (BANEFF), INRS-ETE, Université du Québec, 490 Rue de la Couronne, Québec, QC, G1K 9A9, - - 2014
The present work explores brewery wastewater as a novel substrate for fumaric acid production employing the filamentous fungal strain Rhizopus oryzae 1526 through submerged fermentation. The effects of different parameters such as substrate total solid concentrations, fermentation pH, incubation temperature, flask shaking speed, and inoculum size on the fungal morphologies ...
Ma Jin-Kui JK Faculty of Bioresource Sciences, Akita Prefectural University, Akita, - - 2014
This study was carried out to investigate the frying performance of Kizakinonatane (Brassica napus) oil during deep-fat frying of frozen French fries with/without replenishment. Commercial regular canola oil was used for comparison. The frying oils were used during intermittent frying of frozen French fries at 180, 200, and 220  for ...
Van Oers Cynthia J - - 2014
A new combination of a volumetric with a dynamic method to investigate the acidity properties of aluminosilicates is introduced. In a first step, the total acidity is determined volumetrically by the measurement of two-cycle adsorption (TCA) isotherms with ammonia as probe, directly followed by a dynamic temperature programmed desorption (TPD) ...
Finkler Björn B Biophysical Chemistry, Saarland University, Campus B2 2, 66123 Saarbrücken, Germany. - - 2014
The photoacid 8-hydroxypyren-1,3,6-trisulfonic acid (HPTS, pyranine) is a widely used model compound for the examination of excited state proton transfer (ESPT). We synthesized five "super"-photoacids with varying hydrophilicity and acidity on the basis of HPTS. By chemical modification of the three sulfonic acid substituents, the photoacidity is enhanced by up ...
Valapa Ravi Babu RB Research Scholar, Department of Chemical Engineering, Indian Institute of Technology Guwahati, Assam-781039. Electronic address: - - 2014
The current work is focused on investigating the influence of novel bio-filler, "sucrose palmitate (SP)" on the thermal degradation behavior of poly(lactic acid) (PLA) biocomposites in order to render its suitability for food packaging application. Thermal degradation behavior of the PLA biocomposites was investigated by thermo-gravimetric analysis (TGA) using dynamic ...
Mengistie Desalegn Alemu - - 2014
We proposed a facile film treatment with formic acid to enhance the conductivity of poly(3,4-ethylenedioxythiophene): poly(styrene sulfonate) (PEDOT:PSS) by four orders of magnitude. The effect of formic acid concentration on conductivity was investigated; conductivity increased fast with increasing concentration up to 10M and then increased slightly, the highest conductivity being ...
Suganya Tamilarasan T Department of Chemical Engineering, Alagappa College of Technology, Anna University, Chennai 600025, - - 2014
In situ transesterification of Enteromorpha compressa algal biomass was carried out for the production of biodiesel. The maximum methyl esters (ME) yield of 98.89% was obtained using ultrasonic irradiation. Tetra hydro furan (THF) and acid catalyst (H2SO4) was found to be an appropriate co-solvent and catalyst for high free fatty ...
Hendry Katharine R KR 1] School of Earth and Ocean Sciences, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK [2] Department of Earth Sciences, Bristol University, Wills Building, Queen's Road, Bristol BS8 1RJ, UK [3] Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, - - 2014
Today's Sargasso Sea is nutrient starved, except for episodic upwelling events caused by wind-driven winter mixing and eddies. Enhanced diatom opal burial in Sargasso Sea sediments indicates that silicic acid, a limiting nutrient today, may have been more available in subsurface waters during Heinrich Stadials, millennial-scale climate perturbations of the ...
Wang Ping - - 2014
In this work, we present a new method to synthesize the phosphorus, nitrogen contained graphene nanosheets, which uses dicyandiamide to prevent the aggregation of graphene oxide and as the nitrogen precursor, and phosphoric acid (H3PO4) as the activation reagent. We have found that through the H3PO4 activation, the samples exhibit ...
Tokuhara Yasunori Y Department of Clinical Laboratory, The University of Tokyo Hospital, Tokyo, Japan ; The Group of Neurobiology, Division of Health Sciences, Graduate School of Medicine, Osaka University, Osaka, - - 2014
Alkaptonuria, caused by a deficiency of homogentisate 1,2-dioxygenase, results in the accumulation of homogentisic acid (2,5-dihydroxyphenylacetic acid, HGA) in the urine. Alkaptonuria is suspected when the urine changes color after it is left to stand at room temperature for several hours to days; oxidation of homogentisic acid to benzoquinone acetic ...
Battogtokh Gantumur - - 2014
In spite of the great potential of nucleic acids as therapeutic agents, the clinical application of nucleic acid therapeutics requires the development of effective systemic delivery strategies. In an effort to develop effective nucleic acid delivery systems suitable for clinical application, we previously reported a self-assembling micelle-like nanoparticle that was ...
Bayrak Cigdem Sevim CS Computational Science and Engineering Program, Koc University, 34450, Sariyer, Istanbul, Turkey. - - 2014
The dynamic rotational isomeric state model is applied to predict the internal dynamics of the 20 amino acids. Transition rates between rotational isomeric states are calculated from molecular dynamics simulations of Gly-Gly-X-Gly-Gly peptides where X represents one of the 20 amino acids. Predicted relaxation times are in good agreement with ...
Moon Soo-Yeon SY Department of Chemistry and Nano Science, Ewha Womans University , Global Top 5 Program, Seoul 120-750, - - 2014
A mild and efficient method for the synthesis of N-arylsulfonamides in the presence of 10 mol % of CuCl is demonstrated. The reaction proceeds readily at room temperature in an open flask using a variety of sulfonyl azides and boronic acids without any base, ligand, or additive.
Zhang J J Department of Endocrinology, Wuhan General Hospital of Guangzhou Command, Wuluo Road 627, Wuhan, 430070, Hubei, People's Republic of China, - - 2014
Increased serum uric acid levels and vascular atherosclerosis are very common in diabetes. However, few studies focused on the relationship between serum uric acid and aortic or peripheral arterial stiffness in newly diagnosed diabetic patients. This study investigated the association between serum uric acid levels and carotid-femoral pulse wave velocity ...
Jiang Yu Sherry YS Institute for Cellular and Molecular Biology, Center for Systems and Synthetic Biology, Department of Chemistry and Biochemistry, University of Texas at Austin, 2500 Speedway, Austin, TX - - 2014
Catalytic hairpin assembly (CHA) has previously proven useful as a transduction and amplification method for nucleic acid detection. However, the two hairpin substrates in a CHA circuit can potentially react non-specifically even in the absence of a single-stranded catalyst, and this non-specific background degrades the signal-to-noise ratio. The introduction of ...
Ikeda Rie R Division of Analytical Research for Pharmacoinformatics, Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, - - 2014
A chemiluminescence (CL) reaction of folic acid (FA) with ruthenium (II) and cerium (IV) was applied to quantify FA-related compounds such as FA, dihydrofolic acid, tetrahydrofolic acid, 5-methyltetrahydrofolic acid, 5-formyltetrahydrofolic acid and methotrexate (MTX). Among the FAs, 5-methyltetrahydrofolic acid provided the highest CL intensity. HPLC-CL detection of FA was applied ...
Cao Dongxu - - 2014
Aldehydes and acids play important roles in the fermentation inhibition of biomass hydrolysates. A series of carbonyl compounds (vanillin, syringaldehyde, 4-hydroxybenzaldehyde, pyrogallol aldehyde and o-phthalaldehyde) were used to examine the quantitative structure-inhibitory activity relationship of carbonyl compounds on alcoholic fermentation, based on the glucose consumption rate and the final ethanol ...
Chatveera B B Department of Civil Engineering, Faculty of Engineering, Thammasat University, Rangsit Campus, Khlong Luang, Pathumthani 12121, Thailand. Electronic address: - - 2014
This paper presents the performance of cement mortar containing black rice husk ash (BRHA) under nitric and acetic acid attacks. The BRHA, collected from an electrical generating power plant that uses rice husk as fuel, was ground using a grinding machine. The compressive strength loss, weight loss, and expansion of ...
Cai Yun Y Department of Food Science and Engineering, Jinan University, Guangzhou 510632, - - 2014
This research was aimed to investigate why chlorogenic acid, presents at high concentrations in some food raw material, influences acrylamide formation. In the asparagine/glucose Maillard reaction system (pH=6.8), addition of chlorogenic acid significantly increased acrylamide formation and inhibited its elimination. In contrast, the quinone derivative of chlorogenic acid decreased acrylamide ...
Ahmed Osama A A OA Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Minia University, Minia, - - 2014
The present study aimed to develop optimized quercetin (QT)-loaded self-nanoemulsifying drug delivery system (SNEDDS) that offers protective effect against liver damage. Solubility study of QT in different oils, surfactants, and cosurfactants was performed. Ternary phase mixtures of the selected components were constructed to select a suitable range for each component. ...
Chang Jinfa - - 2014
The direct formic acid fuel cell is an emerging energy conversion device for which palladium is considered as the state-of-the-art anode catalyst. In this communication, we show that the activity and stability of palladium for formic acid oxidation can be significantly enhanced using nickel phosphide (Ni(2)P) nanoparticles as a cocatalyst. ...
Li Jia - - 2014
In this paper, citric acid, 1,8-octanediol and 1,2-propanediol were used as reactive monomers to synthesize poly(1,2-propanediol-co-1,8-octanediol-co-citrate) (PPOC) elastomers by melt polycondensation. The PPOC elastomers were characterized by FTIR, 1H-NMR, thermal gravimetric analysis (TGA), differential scanning calorimetry (DSC), hydrophilic test and mechanical test. The results indicated that citric acid had reacted ...
Lee Cheng-Hung CH Division of Cardiology, Department of Internal Medicine, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Linkou, Taiwan ; Department of Mechanical Engineering, - - 2014
Incomplete endothelialization, blood cell adhesion to vascular stents, and inflammation of arteries can result in acute stent thromboses. The systemic administration of acetylsalicylic acid decreases endothelial dysfunction, potentially reducing thrombus, enhancing vasodilatation, and inhibiting the progression of atherosclerosis; but, this is weakened by upper gastrointestinal bleeding. This study proposes a ...
Shih Lifan - - 2014
Previous studies have shown that palmitate (PA) can bind specifically and non-specifically to Fe(III)MbCN. The present study has observed PA interaction with physiological states of Fe(II)Mb, and the observations support the hypothesis that Mb may have a potential role in facilitating intracellular fatty acid transport. 1H NMR spectra measurements of ...
He Yanqing - - 2014
Dry dilute acid pretreatment at extremely high solids loading of lignocellulose materials demonstrated promising advantages of no waste water generation, less sugar loss, and low steam consumption while maintaining high hydrolysis yield. However, the routine pretreatment reactor without mixing apparatus was found not suitable for dry pretreatment operation because of ...
Liu Jing J National Institutes for Food and Drug Control, Beijing 100050, - - 2014
A pair of new phenolic acid stereoisomers, (R)-norsalvianolic acid L (1) and (S)-norsalvianolic acid L (2), was isolated from the Danshen Injection (lyophilized powder). The structural elucidation and stereochemistry determination were achieved by spectroscopic and chemical methods including 1D, 2D NMR (1H-1H COSY, HSQC and HMBC) and circular dichroism experiments. ...
Lujan-Rhenals Deivis E DE a Department of Food Science , University of Arkansas , Fayetteville , Arkansas , - - 2014
The objective of this research was to determine the minimum inhibitory concentration of 5-hydroxymethyl furfural, furfural, and acetic acid on Saccharomyces cerevisiae (NRRL Y-2233) and Zymomonas mobilis subspecies mobilis (NRRL B-4286) in both detoxified hydrolyzed soybean meal and synthetic YM broth spiked with the three compounds. Soybean meal was hydrolyzed ...
Mirzadeh Seyedeh-Shaghayegh - - 2014
Decolorization of hazardous synthetic dyes using laccases in both free and immobilized form has gained attention during the last decades. The present study was designed to prepare immobilized laccase (purified from Paraconiothyrium variabile) on porous silica beads followed by evaluation of both free and immobilized laccases for decolorization of two ...
Bazongo Patrice P Laboratoire de Biochimie Alimentaire, Enzymologie, Biotechnologie Industrielle et Bioinformatique (Laboratoire BAEBIB), Department of Biochemistry and Microbiology, Université de Ouagadougou, Ouagadougou 03 03 BP 7021, Burkina Faso. - - 2014
The proximate composition of seeds and main physicochemical properties and thermal stability of oil extracted from Lannea microcarpa seeds were evaluated. The percentage composition of the seeds was: ash (3.11%), crude oil (64.90%), protein (21.14%), total carbohydrate (10.85%) and moisture (3.24%). Physicochemical properties of the oil were: refractive index, 1.473; ...
Araújo Kassandra L G V KL Programa de Pós-Graduação em Ciência e Tecnologia de Alimentos, Centro de Tecnologia, Universidade Federal da Paraíba, Campus I, João Pessoa, Paraíba 58051-900, - - 2014
Co-products from the juice processing of guava (CG), mango (CM) and barbados cherry (CB) were investigated with a view to their exploitation as a potential source of natural antioxidants. The ethanolic extracts were analyzed for total extractable phenolic content (TEP), DPPH radical scavenging activity (RSA-DPPH), ferric reducing antioxidant power (FRAP) ...
Chen Wenzhao - - 2014
The deposit of noble metal on titanium dioxide (TiO2) has been considered as an effective strategy to improve the activity of TiO2. In this study, TiO2 nanoparticles were prepared using a sol-gel route followed by heat treatment at elevated temperatures (573 K, 773 K, and 973 K). TiO2-Pt catalyst (1 ...
Wu Min-Hui MH Silk Biotechnology Laboratory, School of Biology and Basic Medical Sciences, Soochow University; Suzhou 215123; P R - - 2014
A novel sodium N-fatty acyl amino acid (SFAAA) surfactant was synthesized using pupa oil and pupa protein hydrolysates (PPH) from a waste product of the silk industry. The aliphatic acids from pupa oil were modified into N-fatty acyl chlorides by thionyl chloride (SOCl2). SFAAA was synthesized using acyl chlorides and ...
De la Haba María-José MJ Department of Bromatology and Food Technology, University of Cordoba, Campus Rabanales, Cordoba 14071, Spain. - - 2014
This study assessed the potential of near infrared (NIR) spectroscopy as a non-destructive method for characterizing Protected Designation of Origin (PDO) "Vinagres de Montilla-Moriles" wine vinegars and for classifying them as a function of the manufacturing process used. Three spectrophotometers were evaluated for this purpose: two monochromator instruments (Foss NIRSystems ...
Li Haiwei H Key Laboratory of Cluster Science, Ministry of Education of China, School of Chemistry, Beijing Institute of Technology, 5 South Zhongguancun Street, Beijing, 100081, P.R. - - 2014
A novel porous polymeric fluorescence probe, MN-ZIF-90, has been designed and synthesized for quantitative hydrogen sulfide (H2S) fluorescent detection and highly selective amino acid recognition. This distinct crystalline structure, derived from rational design and malonitrile functionalization, can trigger significant enhancement of its fluorescent intensity when exposed to H2S or cysteine ...
Prajapati Shailesh T ST Department of Pharmaceutics and Pharmaceutical Technology, Shri Sarvajanik Pharmacy College, Mehsana, Gujarat, - - 2014
Zolmitriptan is a 5-HT receptor agonist (1B/1D). It is used in the acute treatment of migraine having low bioavailability about 40% orally due to hepatic first pass metabolism. The purpose of the present research was to formulate fast acting sublingual tablets of zolmitriptan. Sublingual tablets were prepared using ispaghula husk ...
Wathoni Nasrul N Department of Physical Pharmaceutic, Faculty of Pharmacy, Universitas Padjadjaran, Bandung, West Java, - - 2014
The uric acid biosensor has been much developed by immobilizing uricase enzyme into the membrane of conductive polymer and the membrane of polyelectrolyte such as polyaniline (PANI) and poly (allylamine) (PAA) respectively. The purpose of this research was to create a new amperometric uric acid biosensor by immobilization of uricase ...
Khandekar Sameera V - - 2014
In this paper, we present polyaspartic acid, a biodegradable polymer as a reducing and functionalizing agent for the synthesis of doxorubicin loaded gold nanoparticles by a green process. Gold nanoparticles were stable to electrolytes and pH. Secondary amino groups of polyaspartic acid enabled reduction of gold chloride to form gold ...
Salimon Jumat J School of Chemical Sciences & Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, - - 2014
Two different procedures for the methylation of fatty acids (FAs) and trans fatty acids (TFAs) in food fats were compared using gas chromatography (GC-FID). The base-catalyzed followed by an acid-catalyzed method (KOCH3/HCl) and the base-catalyzed followed by (trimethylsilyl)diazomethane (TMS-DM) method were used to prepare FA methyl esters (FAMEs) from lipids ...
Ding Ming-Zhu MZ Key Laboratory of Systems Bioengineering, Ministry of Education (Tianjin University), Tianjin, PR China; School of Chemical Engineering and Technology, Tianjin University, Tianjin, PR China; Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, PR - - 2014
The cooperative adaptation of subcultivated Bacillus cereus and Ketogulonicigenium vulgare significantly increased the productivity of 2-keto-L-gulonic acid, the precursor of vitamin C. The mechanism of cooperative adaptation of the serial subcultivated B. cereus and K. vulgare was investigated in this study by culturing the two strains orthogonally on agar plates. ...
Lin Xiaoqin X School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, - - 2013
Enhanced biohydrogen production via cascade acid stress on microbial communities, structure patterns of the microbial communities revealed by PLFAs, and the succession of biohydrogen related species against cascade acid stress were all investigated. It was found that hydrogen production could be improved from 48.7 to 79.4mL/gVS after cascade acid stress. ...
Zhang Xin X Shaanxi Provincial Key Laboratory of Electroanalytical Chemistry, Institute of Analytical Science, Northwest University, Xi'an, Shaanxi 710069, - - 2013
An electrochemical sensor for selective detection of ascorbic acid (AA) in the presence of dopamine (DA) and uric acid (UA) was fabricated by modifying the glassy carbon electrode (GCE) with carbon-supported NiCoO2 (NiCoO2/C) nanoparticles. The electrochemical impedance spectroscopic (EIS) studies reveal the little charge transfer resistance for the modified electrode. ...
Ramírez-Segovia A S AS Centro de Investigación y Desarrollo Tecnológico en Electroquímica S.C., Parque Tecnológico Querétaro s/n, Sanfandila, Pedro Escobedo 76703, Qro, Mexico; Departamento de Química, División de Ciencias Naturales y Exactas, Campus Guanajuato, Universidad de Guanajuato, Noria Alta s/n, Guanajuato 36050, Gto, - - 2014
Glassy carbon electrodes (GCE) were sequentially modified by cysteamine-capped gold nanoparticles (AuNp@cysteamine) and PAMAM dendrimers generation 4.5 bearing 128-COOH peripheral groups (GCE/AuNp@cysteamine/PAMAM), in order to explore their capabilities as electrochemical detectors of uric acid (UA) in human serum samples at pH 2. The results showed that concentrations of UA detected ...
Yao Xiaobin X Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, - - 2013
This work is the first demonstration of a simple thiol-ene click chemistry to anchor vinyl imidazolium β-CD onto thiol silica to form a novel cationic native cyclodextrin (CD) chiral stationary phase (CSP). The CSP afforded high enantioseparation ability towards dansyl (Dns) amino acids, carboxylic aryl compounds and flavonoids in chiral ...
Bae Yun Mi YM Department of Biochemistry, Chungnam National University, Daejeon 305-764, Republic of Korea; Laboratory for Advanced Molecular Probing, Research Center for Convergence Nanotechnology, Korea Research Institute of Chemical Technology, Daejeon 305-600, Republic of - - 2013
Peptide nucleic acids (PNAs) are synthetic structural analogues of DNA and RNA. They recognize specific cellular nucleic acid sequences and form stable complexes with complementary DNA or RNA. Here, we designed an oligo-aspartic acid-PNA conjugate and showed its enhanced delivery into cells with high gene correction efficiency using conventional cationic ...
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