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28601
The application of a high throughput analysis method for the screening of potential biosurfactants from natural sources.
Published 2007“…The efficacy of the method was demonstrated by the selection of a bacterium (producing a biosurfactant able to reduce the surface tension of pure water from 72 to 28.75 mN m(-1)) from a culture collection isolated from aviation fuel-contaminated land. …”
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28602
Theory and practice of the fall cone test
Published 2001“…It is proposed that the liquid limit be redefined internationally as the water content at which a 60°, 60g fall cone penetrates 10 mm. …”
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28603
MeCP2 binding to DNA depends upon hydration at methyl-CpG.
Published 2008“…X-ray analysis of a methylated DNA-MBD cocrystal reveals, however, that the methyl groups make contact with a predominantly hydrophilic surface that includes tightly bound water molecules. This suggests that MeCP2 recognizes hydration of the major groove of methylated DNA rather than cytosine methylation per se. …”
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28604
Scale and species numbers
Published 2001“…The site might range from a drop of water to the whole Earth, and the species might be drawn from a very restricted taxon or include all living organisms. …”
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28605
The origin of the Earth - What's new?
Published 2006“…Neither do we understand where the water that made Earth habitable came from, nor whether life in the Universe is rare or plentiful. …”
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28606
Electro-oxidation of amino-functionalized multiwalled carbon nanotubes
Published 2022“…CV showed the latter to both catalyze the solvent (water) decomposition and to undergo irreversible electro-oxidation forming oxygen containing surface functionality. …”
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28607
The challenge of enteric fever.
Published 2014“…Disease prevention requires significant investment in provision of clean water and sanitation in the long term; vaccination offers a more realistic strategy for medium term control. …”
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28608
Secondary structure and assembly mechanism of an oligomeric channel protein.
Published 1985“…The alpha-toxin of Staphylococcus aureus is secreted as a water-soluble, monomeric polypeptide (Mr 33 182) that can assemble into an oligomeric membrane channel. …”
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28609
Bubble dynamics near the onset of single-bubble sonoluminescence
Published 2004“… <p style="text-align:justify;"> A number of groups have reported measurements of the location in the parameter space of bubble size versus acoustic pressure amplitude of shape- and size-stable bubbles. For air/water systems, a general trend emerges: stable bubbles are found on one of two line paths in this space defined by their range of acoustic pressure. …”
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28610
Coulostatic potential transients induced by laser heating of platinum stepped electrodes: influence of steps on the entropy of double layer formation
Published 2004“…We explain this inference in terms of the existence of cooperative effects in the formation of the structure of the adsorbed water layers, which are disrupted at the potentials where the local contributions of the step and the terrace sites to the overall entropy of formation are maximal. $ 2003 Elsevier B.V. …”
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28611
A new mechanism for β-lactamases: Class D enzymes degrade 1β-methyl carbapenems through lactone formation
Published 2018“…These results define a new mechanism for the class D carbapenemases, in which a hydrolytic water molecule is not required.…”
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28612
Noninvasive measurement of microvascular leakage in patients with dengue hemorrhagic fever.
Published 2001“…Dengue shock syndrome (DSS) is a potentially lethal complication of dengue virus infection associated with hypotension and leakage of plasma water into the extravascular space. To determine whether the underlying pathophysiology of DSS is distinct from that in milder forms of the disease, we assessed microvascular permeability, by use of strain gauge plethysmography, in Vietnamese children with DSS (n=19), or dengue hemorrhagic fever (DHF) without shock (n=16), and in healthy control children (n=15). …”
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28613
Decoupling the direct and indirect effects of nitrogen deposition on ecosystem function.
Published 2006“…By planting high N and low N plant community compositions into high and low N deposition model terrestrial ecosystems we experimentally decoupled direct and indirect effects and quantified their contribution to changes in carbon, N and water cycling. Our results show that direct effects on plant growth dominate ecosystem response to N deposition, although long-term carbon storage is reduced under high N plant-species composition. …”
Journal article -
28614
How slippery are piecewise-constant coastlines in numerical ocean models?
Published 1998“…Here we study the consequences of the piecewise-constant approximation in an idealised shallow-water ocean model. By rotating the numerical grid at various finite angles to the physical coastlines, we are able to isolate the impact of piecewise-linear boundaries on the model circulation. …”
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28615
Intracavity Faraday modulation spectroscopy (INFAMOS): A tool for radical detection
Published 2017“…We describe a first prototype based upon a cw quantum cascade laser targeting a selection of fundamental rovibrational Rbranch transitions of nitric oxide (1890 cm−1 ), consisting of a linear cavity (finesse F = 6300) and a water-cooled solenoid. We demonstrate a minimum detectable Verdet constant of Vmin = 4.7 × 10−14 rad cm−1 G −1 Hz−1/2 (at SNR = 1), corresponding to a single-pass rotation angle of 1.6 × 10−10 rad Hz−1/2 and a limit of detection of 0.21 ppbv Hz−1/2 NO. …”
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28616
Radiogenic isotope records of Quaternary glaciations: Changes in the erosional source and weathering processes
Published 2004“…Dramatic changes in the radiogenic isotope composition of North Atlantic Deep Water through the Quaternary Period are shown to reflect discrete changes in both sources and weathering processes accompanying Northern Hemisphere glaciation. …”
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28617
Modelling tidal energy extraction in a depth-averaged coastal domain
Published 2010“…To demonstrate the use of actuator disc theory in a depth-averaged model, tidal flow in a simple channel is approximated using the shallow water equations and the results are compared with the published analytical solutions. © 2010 © The Institution of Engineering and Technology.…”
Journal article -
28618
The challenge of enteric fever
Published 2014“…Disease prevention requires significant investment in provision of clean water and sanitation in the long term; vaccination offers a more realistic strategy for medium term control. …”
Journal article -
28619
The laminar seabed thermal boundary layer forced by propagating and standing free-surface waves
Published 2023“…The unsteady convection–diffusion equation for water temperature includes terms depending on the velocity field in the laminar boundary layer, analogous to mass transfer near the seabed. …”
Journal article -
28620
A potent halogen-bonding donor motif for anion recognition and anion template mechanical bond synthesis
Published 2019“…The resulting bis-perfluoroaryl substituted iodotriazole pyridinium axle containing halogen bonding [2]rotaxane host exhibits exceptionally strong halide binding affinities in competitive 50 % water containing aqueous media, by a factor of at least three orders of magnitude greater in comparison to a hydrogen bonding rotaxane host analogue. …”
Journal article