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J U Regus et al.
Journal of evolutionary biology, 28(2), 447-456 (2015-01-06)
Symbioses are modelled as evolutionarily and ecologically variable with fitness outcomes for hosts shifting on a continuum from mutualism to parasitism. In a classic example, rhizobia fix atmospheric nitrogen for legume hosts in exchange for photosynthetic carbon. Rhizobial infection often
Bhavna V Mohite et al.
Applied biochemistry and biotechnology, 169(5), 1497-1511 (2013-01-16)
Bacterial cellulose (BC), a biopolymer, due to its unique properties is valuable for production of vital products in food, textile, medicine, and agriculture. In the present study, the optimal fermentation conditions for enhanced BC production by Gluconacetobacter hansenii NCIM 2529
Wolfgang R Engelsberger et al.
The Plant journal : for cell and molecular biology, 69(6), 978-995 (2011-11-09)
Nitrogen is an essential macronutrient for plant growth and development. Inorganic nitrogen and its assimilation products control various metabolic, physiological and developmental processes. Although the transcriptional responses induced by nitrogen have been extensively studied in the past, our work here
Luigi Petrone et al.
Nature communications, 6, 8737-8737 (2015-10-29)
Interfacial water constitutes a formidable barrier to strong surface bonding, hampering the development of water-resistant synthetic adhesives. Notwithstanding this obstacle, the Asian green mussel Perna viridis attaches firmly to underwater surfaces via a proteinaceous secretion (byssus). Extending beyond the currently
Shufeng Wang et al.
PloS one, 9(9), e108568-e108568 (2014-10-01)
Willow species have been suggested for use in the remediation of contaminated soils due to their high biomass production, fast growth, and high accumulation of heavy metals. The tolerance and accumulation of metals may vary among willow species and varieties
Jaclyn Marie Hill et al.
Water research, 46(11), 3553-3562 (2012-04-25)
The excessive addition of nitrogen to watersheds is recognized as one of the main causes of the global deterioration of aquatic ecosystems and an increasing number of studies have shown that δ¹⁵N signatures of macrophytes may reflect the N-loading of
Qian Ran et al.
Scientific reports, 5, 16209-16209 (2015-11-06)
Fe3O4 magnetic nanoparticles (Fe3O4-MNPs) have been widely used in clinical diagnosis. Hemocompatibility of the nanoparticles is usually evaluated by hemolysis. However, hemolysis assessment does not measure the dysfunctional erythrocytes with pathological changes on the unbroken cellular membrane. The aim of
Nguyễn Hoàng Ly et al.
Sensors (Basel, Switzerland), 15(5), 10088-10099 (2015-05-06)
Tris(hydroxymethyl)aminomethane ethylenediaminetetraacetic acid (Tris-EDTA), upon binding Cr(III) in aqueous solutions at pH 8.0 on silver nanoparticles (AgNPs), was found to provide a sensitive and selective Raman marker band at ~563 cm-1, which can be ascribed to the metal-N band. UV-Vis
Redrothu Hanumantharao et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 99, 181-188 (2012-10-16)
Nonlinear optical crystals of Bis (l-glutamine) potassium nitrate (BGPN) were grown by slow evaporation technique at ambient temperature. Solubility and metastable zone width of BGPN in aqueous solution were determined. The grown crystal was characterized by single crystal XRD, Powder
Javad Tashkhourian et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 152, 119-125 (2015-07-24)
A rapid, simple and inexpensive spectrofluorimetric sensor for determination of doxycycline based on its interaction with thioglycolic acid-capped cadmium telluride quantum dots (TGA/CdTe QDs) has been developed. Under the optimum experimental conditions, the sensor exhibited a fast response time of
Z J Jay et al.
Applied and environmental microbiology, 81(17), 5907-5916 (2015-06-21)
Thermoproteales (phylum Crenarchaeota) populations are abundant in high-temperature (>70°C) environments of Yellowstone National Park (YNP) and are important in mediating the biogeochemical cycles of sulfur, arsenic, and carbon. The objectives of this study were to determine the specific physiological attributes
Wenchao Sheng et al.
Nature communications, 6, 5848-5848 (2015-01-09)
The hydrogen oxidation/evolution reactions are two of the most fundamental reactions in distributed renewable electrochemical energy conversion and storage systems. The identification of the reaction descriptor is therefore of critical importance for the rational catalyst design and development. Here we
Mika A Tamski et al.
Physical chemistry chemical physics : PCCP, 17(36), 23438-23447 (2015-08-21)
A miniaturised electrochemical cell design for Electron Paramagnetic Resonance (EPR) studies is reported. The cell incorporates a Loop Gap Resonator (LGR) for EPR investigation of electrochemically generated radicals in aqueous (and other large dielectric loss) samples and achieves accurate potential
Xian Tang et al.
Journal of pharmaceutical and biomedical analysis, 107, 258-264 (2015-01-28)
A novel strategy for dual-channel detection of metallothioneins (MTs) and Hg(2+) has been proposed. In the absence of Hg(2+), the functional chimera aptamer (FCA) designed can form an intact G-quadruplex with flexibility, which was demonstrated to have peroxidase-like activities upon
Mila Ivanova Luleva et al.
Sensors (Basel, Switzerland), 11(4), 4188-4206 (2011-12-14)
Displacement of soil particles caused by erosion influences soil condition and fertility. To date, the cesium 137 isotope ((137)Cs) technique is most commonly used for soil particle tracing. However when large areas are considered, the expensive soil sampling and analysis
Ying Zhang et al.
Journal of hazardous materials, 237-238, 376-381 (2012-09-18)
A stable four-member bacterial consortium, DNC5 that was capable of metabolizing atrazine was isolated from corn-planted soil. The main objective of this paper is to characterize the individual metabolic characteristics and the mutualism of the cultivable members in the consortium
Manila Chieruzzi et al.
Nanoscale research letters, 10(1), 984-984 (2015-07-01)
In this study different nanofluids with phase change behavior were developed by mixing a molten salt base fluid (KNO3 selected as phase change material) with nanoparticles using the direct synthesis method. The thermal properties of the nanofluids obtained were investigated.
Eman H El-Naby et al.
Materials science & engineering. C, Materials for biological applications, 54, 217-224 (2015-06-06)
A biomimetic potentiometric sensor for specific recognition of dextromethorphan (DXM), a drug classified according to the Drug Enforcement Administration (DEA) as a "drug of concern", is designed and characterized. A molecularly imprinted polymer (MIP), with special molecular recognition properties of
Yiming Li
Compendium of continuing education in dentistry (Jamesburg, N.J. : 1995), 33 Spec No 2, 10-16 (2012-07-11)
Dentin hypersensitivity is a common dental complaint, and in severe cases it can impair eating, drinking, and even speaking, thus interfering with the normal daily life of an individual. Throughout years of research, there has been significant advancement in understanding
Manuel Gutiérrez-Capitán et al.
Analytical chemistry, 87(4), 2152-2160 (2015-01-17)
This work reports on the fabrication and comparative analytical assessment of electrochemical sensors applied to the rapid analysis of chemical oxygen demand (COD) in urban waste waters. These devices incorporate a carbon nanotube-polystyrene composite, containing different inorganic electrocatalysts, namely, Ni
Omar Alharbi et al.
The Analyst, 139(19), 4820-4827 (2014-08-08)
The detection and quantification of xenobiotics and their metabolites in man is important for drug dosing, therapy and for substance abuse monitoring where longer-lived metabolic products from illicit materials can be assayed after the drug of abuse has been cleared
Emel Topuz et al.
Environmental toxicology and chemistry, 34(12), 2816-2823 (2015-06-23)
The aim of the present study was to evaluate the effect of silver nanoparticles (AgNPs) on Enchytraeus crypticus, applying a combined toxicokinetics and toxicodynamics approach to understand the relationship between survival and the development of internal Ag concentrations in the
Rammyani Bagchi et al.
Plant physiology, 160(2), 906-916 (2012-08-04)
The Medicago truncatula NIP/LATD (for Numerous Infections and Polyphenolics/Lateral root-organ Defective) gene encodes a protein found in a clade of nitrate transporters within the large NRT1(PTR) family that also encodes transporters of dipeptides and tripeptides, dicarboxylates, auxin, and abscisic acid.
R V Faller et al.
The Journal of clinical dentistry, 24(1), 25-30 (2013-04-04)
To determine the ability of various marketed dentifrices containing stabilized stannous fluoride (SnF2), sodium fluoride (NaF), or sodium monofluorophosphate (SMFP) to protect enamel against the earliest stages of erosive dietary acid damage using an in vitro enamel protection model. Acid-challenged
Chenglu Liu et al.
Journal of nanoscience and nanotechnology, 12(1), 151-158 (2012-04-25)
Eu3+ and Dy(3+)-doped YVO4 nanocrystallites were successfully prepared at 400 degrees C in equal moles of NaNO3 and KNO3 molten salts. X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, transmission electronic microscopy (TEM), photoluminescence (PL) spectrum and lifetime were used
Chunyan Yu et al.
PloS one, 9(8), e105597-e105597 (2014-08-21)
The ANR1 MADS-box gene in Arabidopsis is a key gene involved in regulating lateral root development in response to the external nitrate supply. There are five ANR1-like genes in Oryza sativa, OsMADS23, OsMADS25, OsMADS27, OsMADS57 and OsMADS61, all of which
Feng Gu et al.
Journal of chromatography. A, 1376, 53-63 (2014-12-30)
The main objective of our research was to develop silica-based, polymer-functionalized ion exchange materials for single-use bioprocess applications, with the ultimate goal of achieving maximal binding capacity for target proteins. Herein we report the utilization of Grace(®) wide pore silica
M Bahra et al.
Nitric oxide : biology and chemistry, 26(4), 197-202 (2012-01-31)
Ingestion of inorganic nitrate elevates blood and tissue levels of nitrite via bioconversion in the entero-salivary circulation. Nitrite is converted to NO in the circulation, and it is this phenomenon that is thought to underlie the beneficial effects of inorganic
Yu Yang et al.
Environmental science & technology, 48(11), 6391-6400 (2014-04-24)
Titanium dioxide (TiO2) is widely used in food products, which will eventually enter wastewater treatment plants and terrestrial or aquatic environments, yet little is known about the fraction of this TiO2 that is nanoscale, or the physical and chemical properties
Muhammad Khairud Dahri et al.
Environmental monitoring and assessment, 187(8), 546-546 (2015-08-02)
Cempedak durian peel (CDP) was used to remove Brilliant Green (BG) dye from aqueous solution. The adsorption of BG onto CDP was studied as functions of contact time, pH, temperature, ionic strength and initial concentration. In order to understand the
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