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显示 1-30 #N/A 115 条结果 关于 "P8291" 范围 论文
Yana Aizenberg-Gershtein et al.
Scientific reports, 5, 11536-11536 (2015-07-01)
Pyridine-type alkaloids are most common in Nicotiana species. To study the effect of alkaloid composition on bacterial community composition in floral nectar, we compared the nicotine-rich wild type (WT) N. attenuata, the nicotine biosynthesis-silenced N. attenuata that was rich in
Agnieszka Kadej et al.
Dalton transactions (Cambridge, England : 2003), 44(47), 20659-20674 (2015-11-14)
Mononuclear and polynuclear copper(II) complexes of alloferon 1 with point mutations, H1A/H12A H2N-A(1)GVSGH(6)GQH(9)GVA(12)G-COOH, H1A/H9A H2N-A(1)GVSGH(6)GQA(9)GVH(12)G-COOH, and H1A/H6A H2N-A(1)GVSGA(6)GQH(9)GVH(12)G-COOH, have been studied by potentiometric, UV-visible, CD, and EPR spectroscopy, and mass spectrometry (MS) methods. Complete complex speciation at different metal-to-ligand molar
Tongjie Yao et al.
Chemistry, an Asian journal, 10(9), 1940-1947 (2015-06-26)
The simple preparation of catalysts with superior catalytic activity and good reusability is highly desirable. Herein, we report a novel strategy to construct reduced graphene oxide (rGO)/Pd-Fe3 O4 @polypyrrole (PPy) catalysts with Pd and Fe3 O4 nanoparticles anchored on a
M A Olutoye et al.
Bioresource technology, 102(23), 10777-10783 (2011-10-11)
Fatty acid methyl esters (FAME) were produced from palm oil using eggshell modified with magnesium and potassium nitrates to form a composite, low-cost heterogeneous catalyst for transesterification. The catalyst, prepared by the combination of impregnation/co-precipitation was calcined at 830 °C
Siddhartha Sankar Boxi et al.
Dalton transactions (Cambridge, England : 2003), 44(47), 20464-20474 (2015-11-07)
Arsenic poisoning from drinking water has been an important global issue in recent years. Because of the high level toxicity of arsenic to human health, an easy, inexpensive, low level and highly selective detection technique is of great importance to
Meshkatul Jannat et al.
Biochemical and biophysical research communications, 452(3), 608-613 (2014-09-01)
With a view to consider the increasing concern over nitrogen pollution in the aquatic environment, we investigated effects of nitrate (NO3(-)) and nitrite (NO2(-)) on the activity of dopaminergic neuron in zebrafish embryos and larvae. Both nitrate and nitrite exposure
Kelly E Stecker et al.
Plant physiology, 165(3), 1171-1187 (2014-05-09)
Elucidating how plants sense and respond to water loss is important for identifying genetic and chemical interventions that may help sustain crop yields in water-limiting environments. Currently, the molecular mechanisms involved in the initial perception and response to dehydration are
Jun Zhou et al.
Scientific reports, 5, 12149-12149 (2015-07-21)
Here we reported the phase formation of MxMg2Al(4+x)Si(5-x)O18:Eu(2+) (M = K, Rb) solid solution phosphors, where M(+) ions were introduced into the void channels of Mg2Al4Si5O18 via Al(3+)/Si(4+) substitution to keep the charge balance. XRD results revealed that the as-prepared
Jian Sun et al.
Journal of hazardous materials, 295, 22-28 (2015-04-17)
Two acute toxicity tests (luminescent bacteria assay and cladoceran assay) and one genotoxicity test (broad bean assay) were used to evaluate whole effluent toxicity during the standard anion exchange resin-based pilot-scale sewage tertiary treatment that stably achieved significant dissolved organic
Deniz Ekinci et al.
Bioorganic & medicinal chemistry, 19(2), 744-748 (2011-01-08)
Carbonic anhydrase (CA; EC 4.2.1.1) was purified from the gill of the teleost fish Dicentrarchus labrax (European seabass). The purification procedure consisted of a single step affinity chromatography on Sepharose 4B-tyrosine-sulfanilamide. The enzyme was purified 84.9-fold with a yield of
Verónica Gómez-Jacinto et al.
Chemico-biological interactions, 238, 82-90 (2015-06-17)
Algae and aquatic macrophytes are capable of accumulating heavy metals up to concentrations several orders of magnitude higher than those existing in their surrounding environment. Investigation of mercury toxicology in microalgae is of great interest from ecological point of view
F P A Jorand et al.
Letters in applied microbiology, 60(3), 279-287 (2014-11-29)
The aim of this study was to assess the capabilities of Desulfovibrio fairfieldensis to colonize the grade 4 titanium coupons (modSLA) used in dental implants. The effect of ampicillin, which is known to be a poorly penetrating agent in the
Caichao Wan et al.
Carbohydrate polymers, 134, 144-150 (2015-10-03)
With the increasing emphasis on green chemistry, it is becoming more important to develop environmentally friendly matrix materials for the synthesis of nanocomposites. Cellulose aerogels with hierarchical micro/nano-scale three-dimensional network beneficial to control and guide the growth of nanoparticles, are
Anamaria Török et al.
Acta chimica Slovenica, 62(2), 452-461 (2015-06-19)
The aim of this study is to investigate and develop a phytoremediation method for the removal of two triphenylmethane dyes (crystal violet and malachite green) using an aquatic plant, Lemna minor. The effects of operational parameters such as aquatic plant
Mette Kolpen et al.
International journal of medical microbiology : IJMM, 305(1), 1-10 (2014-12-03)
Chronic Pseudomonas aeruginosa lung infection is the most severe complication for cystic fibrosis (CF) patients. Infected endobronchial mucus of CF patients contains anaerobic zones mainly due to the respiratory burst of polymorphonuclear leukocytes. We have recently demonstrated ongoing denitrification in
Derk Balthazar de Graaf et al.
Analytica chimica acta, 888, 44-51 (2015-09-01)
Chloride is a crucial anion for various analytical applications from biological to environmental applications. In order to measure the chloride ion concentration, a measurement system is needed which can detect this concentration for prolonged times reliably. Chronopotentiometry is a technique
Changhong Yao et al.
Bioresource technology, 118, 438-444 (2012-06-22)
Microalgal starch is a potential feedstock for biofuel production. The effects of KNO(3) and MgSO(4) concentrations and light intensity on biomass and starch production by the marine microalga, Tetraselmis subcordiformis, were investigated. Under 200 μmol m(-2) s(-1) irradiance and sulfur-deprived
A Kakar et al.
The Journal of clinical dentistry, 23(2), 40-47 (2012-07-12)
This clinical study was designed to compare dentin hypersensitivity relief among subjects who brushed their teeth with a new toothpaste containing 8.0% arginine, calcium carbonate, and 1000 ppm fluoride as sodium monofluorophosphate (MFP) to subjects who brushed with a commercially
Verena Resch et al.
AMB Express, 4, 30-30 (2014-06-21)
The Michael hydratase - alcohol dehydrogenase (MhyADH) from Alicycliphilus denitrificans was previously identified as a bi-functional enzyme performing a hydration of α,β-unsaturated ketones and subsequent oxidation of the formed alcohols. The investigations of the bi-functionality were based on a spectrophotometric
Dengjun Wang et al.
Journal of contaminant hydrology, 164, 35-48 (2014-06-14)
The increasing application of engineered nanoparticles (ENPs) has heightened the concern that these ENPs would eventually be released to the environment and may enter into life cycle of living beings. In this regard, it is essential to understand how these
Alessandra Emanuele Tonietto et al.
Environmental science and pollution research international, 22(20), 15920-15930 (2015-06-08)
This research aimed at evaluating cadmium (Cd), copper (Cu), lead (Pb), and zinc (Zn) speciation in water samples as well as determining water quality parameters (alkalinity, chlorophyll a, chloride, conductivity, dissolved organic carbon, dissolved oxygen, inorganic carbon, nitrate, pH, total
Casandra R Cox et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(39), 14057-14061 (2014-09-17)
Direct solar-to-fuels conversion can be achieved by coupling a photovoltaic device with water-splitting catalysts. We demonstrate that a solar-to-fuels efficiency (SFE) > 10% can be achieved with nonprecious, low-cost, and commercially ready materials. We present a systems design of a
S Poulsen et al.
The Cochrane database of systematic reviews, (2)(2), CD001476-CD001476 (2001-06-19)
Dentine hypersensitivity may be defined as the pain arising from exposed dentine, typically in response to external stimuli, and which cannot be explained by any other form of dental disease. Many treatment regimes have been recommended over the years, and
Omar Alharbi et al.
The Analyst, 140(17), 5965-5970 (2015-07-22)
There is an on going requirement for the detection and quantification of illicit substances. This is in particular the case for law enforcement where portable screening methods are needed and there has been recent interest in breath tests for a
C Ganss et al.
Caries research, 45(6), 581-589 (2011-12-14)
New toothpastes with anti-erosion claims are marketed, but little is known about their effectiveness. This study investigates these products in comparison with various conventional NaF toothpastes and tin-containing products with respect to their erosion protection/abrasion prevention properties. In experiment 1
Nicolò Dossi et al.
Electrophoresis, 36(16), 1830-1836 (2015-04-22)
We propose here simple electrochemical cells assembled with electrodes pencil drawn on paper for conducting one-spot tests enabling olive oil to be easily distinguished from other vegetable oils. They consist of small circular pads of hydrophilic paper defined by hydrophobic
Rose A Devasia et al.
The Journal of antimicrobial chemotherapy, 63(6), 1173-1178 (2009-03-31)
The aim of this study was to assess the sensitivity, specificity and time to results of mycobacterial growth indicator tube (MGIT) 960, microscopic observation drug susceptibility (MODS) assay and nitrate reductase assay (NRA) compared with the gold standard agar proportion
Zhoufan Chang et al.
Bioresource technology, 184, 349-354 (2014-08-28)
Catalytic hydropyrolysis of microalgae has been studied by using a batch reactor. Nine different heterogenous catalysts of Pd/C, Pt/C, Ru/C, Rh/C, CoMo/γ-Al2O3, Mo2C, MoS2, and activated carbon were screened. Mo2C was identified as the most suitable catalyst. With Mo2C catalyst
Fredrik Elwinger et al.
Magnetic resonance in chemistry : MRC, 53(8), 572-577 (2015-06-09)
A method for measuring the ligand concentration in heterogeneous materials like chromatography media is described. In this method, (13)C single pulse excitation magic angle spinning NMR experiment with broadband (1)H decoupling is used to determine the peak integrals for a
Verena Wahl et al.
International journal of pharmaceutics, 484(1-2), 95-102 (2015-02-24)
The purpose of this work was to investigate the influence of water content on the secondary structure of a freeze-dried protein (fibrinogen) after a storage period of two weeks. To that end, attenuated reflectance Fourier transformed infrared (ATR-FTIR) and Raman
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