Search Within
Applied Filters:
Showing 1-30 of 84 results for "


" within Papers
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
Abdelhadi El Jaouhari et al.
Analytica chimica acta, 1106, 103-114 (2020-03-09)
Exceptional sensitivity behavior of molecularly imprinted polymer (MIP) approach towards an electrochemical sensor application encourages combining this approach with other materials to tune their properties such as large surface area, high catalytic effect, electrical, thermal and mechanical stability for the
Yasamin Nasiri Khonsari et al.
Mikrochimica acta, 185(9), 430-430 (2018-08-26)
An electrochemiluminescent (ECL) aptamer based method is described for the determination of thrombin. Three-dimensional nitrogen-doped graphene oxide (3D-NGO) was placed on a glassy carbon electrode (GCE) to provide an electrode surface that displays excellent electrical conductivity and acts as a
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
Young-Min Kang et al.
Chemosphere, 204, 148-155 (2018-04-15)
In this study, the effects of natural water components (nitrate, carbonate/bicarbonate, and humic acid) on the kinetics and degradation mechanisms of bisphenol A (BPA) during UV-C photolysis and UV/H2O2 reaction were examined. The presence of NO3- (0.04-0.4 mM) and CO32-/HCO3- (0.4-4 mM)
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
Deniz Ekinci et al.
Bioorganic & medicinal chemistry, 19(2), 744-748 (2011-01-08)
Carbonic anhydrase (CA; EC 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
Vacuolar Sequestration of Paraquat Is Involved in the Resistance Mechanism in
Caio A C G Brunharo et al.
Frontiers in plant science, 8, 1485-1485 (2017-09-12)
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
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
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
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
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
A R Pradeep et al.
Australian dental journal, 57(4), 429-434 (2012-11-29)
Dentinal hypersensitivity has been defined as a short, sharp pain arising from exposed dentine as a result of various stimuli such as heat, cold, chemical, or osmotic, that cannot be ascribed to any other pathology. This study was conducted to
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
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
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
Nikolai Helth Gaukås et al.
Materials (Basel, Switzerland), 12(13) (2019-06-30)
Aqueous chemical solution deposition (CSD) of lead-free ferroelectric K0.5Na0.5NbO3 (KNN) thin films has a great potential for cost-effective and environmentally friendly components in microelectronics. Phase purity of KNN is, however, a persistent challenge due to the volatility of alkali metal
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
Silvia Del Vecchio et al.
Comptes rendus biologies, 335(1), 26-31 (2012-01-10)
Seed germination (effects of light, temperature, NaCl and KNO(3)) of the coastal endangered species Crucianella maritima was investigated by testing seeds from three different populations. Data were analyzed by means of Generalized Linear Mixed Model (GLMM). The principal results showed
Niall F Higgins et al.
The New phytologist, 208(2), 544-554 (2015-05-13)
Phytase activity was investigated in 13 lichen species using a novel assay method. The work tested the hypothesis that phytase is a component of the suite of surface-bound lichen enzymes that hydrolyse simple organic forms of phosphorus (P) and nitrogen
Wei-Hsiang Chen et al.
Environmental science. Processes & impacts, 17(12), 2092-2100 (2015-11-06)
The objective of this study was to investigate the formation of different nitrosamines during chlorination or chloramination (chlor(am)ination) of five phenylurea herbicides (fluometuron, diuron, linuron, metobromuron, and propanil), with the effects of disinfection approaches, additional inorganic nitrogen, and reaction pH
Fan Chen et al.
Environmental research, 181, 108905-108905 (2019-11-27)
Expanded granular sludge blanket (EGSB) is regarded as a promising reactor to carry out denitrifying sulfide removal (DSR) and elemental sulfur (S0) recovery. Although the recirculation ratio is an essential parameter for EGSB reactors, how it impacts the DSR process
Deniz Ucar et al.
Environmental technology, 37(2), 183-191 (2015-06-24)
Nitrate and perchlorate were identified as significant water contaminants all over the world. This study aims at evaluating the performances of the heterotrophic-autotrophic sequential denitrification process for reductive nitrate and perchlorate removal from drinking water. The reduced nitrate concentration in
Sung-Gil Hong et al.
Environmental science & technology, 49(7), 4466-4472 (2015-03-31)
We developed a process for one-pot CO2 conversion and utilization based on simple conversion of CO2 to bicarbonate at ambient temperature with no energy input, by using the cross-linking-based composites of carboxylated polyaniline nanofibers (cPANFs) and carbonic anhydrase. Carbonic anhydrase
Nicholas M Contento et al.
Biomicrofluidics, 8(4), 044120-044120 (2014-11-08)
Electrochemistry is a promising tool for microfluidic systems because it is relatively inexpensive, structures are simple to fabricate, and it is straight-forward to interface electronically. While most widely used in microfluidics for chemical detection or as the transduction mechanism for
Mario Siervo et al.
The Journal of nutrition, 143(6), 818-826 (2013-04-19)
Diets including food products rich in inorganic nitrate are associated with lower blood pressure (BP). The evidence for the BP-lowering effects of inorganic nitrate and beetroot in randomized clinical trials has not been systematically assessed. The objective was to conduct
Yasamin Nasiri Khonsari et al.
Materials science & engineering. C, Materials for biological applications, 96, 146-152 (2019-01-05)
In this paper we describe a novel ultrasensitive electrochemiluminescent (ECL) aptasensor based on the quenching effect of aptamer and lysozyme incubation on co-reactant ECL mechanism of nitrogen-doped graphene quantum dots and persulfate. Incorporation of gold nanoparticles let to enhancement of
Damir A Safin et al.
Dalton transactions (Cambridge, England : 2003), 42(6), 1969-1972 (2012-12-14)
A highly efficient Zn(2+) "turn-on" fluorescent sensor, [4'-benzo-15-crown-5]N=CH-(2-OH-C(6)H(4)) (HL), has been synthesized. In the presence of Zn(NO(3))(2), displays high selectivity and sensitive enhancement of fluorescence intensity in water with the formation of [ZnL(2)]. Addition of an equimolar amount of KNO(3)
Page 1 of 3
Page 1 of 3