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Brookhaven National Laboratory (BNL) has announced the shipment of the first actinium-225 (Ac-255) to be produced in a newly refurbished hot cell laboratory at the US Department of Energy's (DOE) lab....
The University of Missouri has launched an initiative to build a new, larger research reactor, NextGen MURR. The university's existing MU Research Reactor (MURR) - in operation for more than half a ce...
A 1-h time interval between a meal containing iron and consumption of tea attenuates the inhibitory effects on iron absorption: a controlled trial in a cohort of healthy UK women using a stable iron isotope
iron bioavailability iron deficiency hepcidin polyphenols tea
2018/11/21
Background: Tea has been shown to be a potent inhibitor of nonheme iron absorption, but it remains unclear whether the timing of tea consumption relative to a meal influences iron bioavailability.
Consumption of galacto-oligosaccharides increases iron absorption from a micronutrient powder containing ferrous fumarate and sodium iron EDTA: a stable-isotope study in Kenyan infants
anemia galacto-oligosaccharides GOS infants iron deficiency
2018/11/16
Background: Whether consumption of prebiotics increases iron absorption in infants is unclear.
Consumption of galacto-oligosaccharides increases iron absorption from a micronutrient powder containing ferrous fumarate and sodium iron EDTA: a stable-isotope study in Kenyan infants
anemia galacto-oligosaccharides GOS infants iron deficiency
2018/11/20
Background: Whether consumption of prebiotics increases iron absorption in infants is unclear.
Mode-Locked CO Laser for Isotope Separation of Uranium Employing Condensation Repression
CO laser facility active medium medium pressure
2011/4/21
In the present work, we have suggested a technical solution of a CO laser facility for industrial separation of uranium used in the production of fuel for nuclear power plants. There has been used a m...
Stable Isotope Mass Balance Method to Find the Water Budget of a Lake
Stable Isotope Water Budget Isotope Mass Balance Mogan Lake
2009/10/13
Determination of a lake water budget is essential for water resources engineers. Some of these elements,such as surface inflow, precipitation, evaporation, surface outflow, and variation of lake level...
Isotope Separation of Silicon by Use of Mid-Infrared Free Electron Laser
Free electron laser Infrared multi-photon dissociation Isotope separation
2009/6/15
Mid-infrared free electron laser (MIR-FEL) is an attractive light source for laser isotope separation because of its wavelength tunability and high output pulse energy. Several demonstrations have alr...
Laser Isotope Separation of Gadolinium
Laser isotope separation Gadolinium Polarization selection rule
2009/6/9
This paper discusses spectroscopic data of Gd for laser isotope separation (isotope shifts, hyperfine structures and lifetimes) for 560-600 nm wavelength transitions. The possibility of selective exci...
Reservoir evaluation using carbon isotope composition of gas
gas carbon isotope origin maturity migration biodegradation
2009/4/20
Carbon isotope compositions of methane, ethane and propane, and hydrocarbon ratios in gas samples provide information of their origin (microbial vs. thermogenic), maturity of thermogenic component, c...
Structure and superconductivity of isotope-enriched boron-doped diamond
boron-doped diamond superconductivity Raman spectroscopy isotope effect
2010/10/12
Superconducting boron-doped diamond samples were synthesized with isotopes of 10B, 11B,
13C and 12C. We claim the presence of a carbon isotope effect on the superconducting
transition temperature, w...
Assessment of the authenticity of fruit spirits by gas chromatography and stable isotope ratio analyses
authenticity fruit spirits gas chromatography stable isotope ratio analysis IRMS SNIF-NMR linear discriminant analysis
2014/3/3
The gas chromatographic (GC) determination of volatile constituents and the determination of 13C/12C isotope ratios by isotope ratio mass spectrometry – IRMS analysis as well as SNIF–NMR analysis of (...
Under Rayleigh equilibrium condition, stable isotopic ratio in residual water increases with the decrease of the residual water proportion f exponentially, and the fractionation rate of st...
Hyperfine structure and isotope shifts in 461.9 nm forbidden line of Pb I
hyperfine structure
2011/5/3
Studies of the hyperfine structure and the isotope shifts in the 461.9 nm (1S0–3P1) magnetic-dipole line of Pb I are presented. As a light source the electrodeless discharge tube was used. The high re...
Predicting molecular formulas of fragment ions with isotope patterns in tandem mass spectra
Predicting molecular formulas fragment ions isotope patterns
2010/12/15
A number of different approaches have been proposed to predict elemental component formulas (or molecular formulas) of molecular ions in low and medium resolution mass spectra. Most of them rely on is...