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  • isotopic
  • Isotopic enrichment in urine was used to determine EZP.Results:No significant difference was detected in the mean (±standard deviation) EZP between SGA and AGA infants at birth, with values of 9.8 ± 3.5 and 10.1 ± 4.1 mg/kg, respectively (P = 0.86), or at 6 months. (deepdyve.com)
  • All fecal samples were collected quantitatively for 10 days after label administration and were analyzed individually for total zinc and isotopic enrichment using atomic absorption spectrophotometry and fast atom bombardment mass spectrometry, respectively. (gastroportal.ru)
  • Recent research performed on volunteers and patients suggested that diet, health, and basal metabolic rates (BMR) are factors controlling the bodily Zn isotope compositions (isotopic homeostasis). (rsc.org)
  • From milligram-quantity atomic clock crystals, to hundreds of grams for laser production, to hundreds of kilograms for nuclear reactor water chemistry additives, ISOFLEX meets demanding isotopic purity and enrichment requirements. (isoflex.com)
  • stable isotope-labeled
  • Trafficking of stable isotope-labeled dietary fats was combined with muscle gene expression and magnetic resonance imaging-derived muscle fat content analyses. (diabetesjournals.org)
  • Our Stable Isotope-Labeled Universal Monoclonal Antibody (SILuMAb) is a critical tool for the assessment of pharmacokinetic properties of biotherapeutics. (sigmaaldrich.com)
  • SILuMAb is a highly purified, stable isotope-labeled IgG monoclonal antibody (expressed in a proprietary Sigma-Aldrich CHO cell line) that utilizes universal heavy-labeled tryptic peptides as internal standards for the quantitation of monoclonal antibodies and Fc-fusion therapeutics. (sigmaaldrich.com)
  • SILuMAb yields the universal stable isotope-labeled tryptic peptides via vertical integration into the LC/MS analytical workflow. (sigmaaldrich.com)
  • ratios
  • The key lies in measuring calcium: not simply how much is present in these bodily fluids, but also the ratios of different calcium isotopes. (earthmagazine.org)
  • 2006) Use of isotope ratios to assess sources of Pb and Zn dispersed in the environment during mining and ore processing within the Orlovka-Spokoinoe mining site (Russia). (nhm.ac.uk)
  • The present box model is the first of its kind to assess the evolution of Zn isotope ratios in the human body. (rsc.org)
  • The model can also be adapted for other elements such as Ca, Mg or Cu whose isotope ratios are also investigated as new paleodietary or cancer diagnostic tools. (rsc.org)
  • This considerably limits the comprehension and interpretation of the variability of Zn isotope ratios in human tissues and their application to the fossil remains of past hominins. (rsc.org)
  • 2002
  • 2002) to document these Zn isotope signatures focused on mammal organs with further primary research focusing on humans by Helal et al. (rsc.org)
  • concentrations
  • Together, they have measured concentrations of calcium isotopes - specifically stable isotopes, which occur naturally and do not decay into other elements - in the urine of participants in a long-term bed-rest study run by NASA to mimic conditions seen in microgravity and study the effects on human anatomy. (earthmagazine.org)
  • soil
  • The larch (Larix gmelinii ) from North and South-facing slopes is enriched in heavy isotopes compared to soil reservoir while larch from Sphagnum peatbog is enriched in light isotopes. (springeropen.com)
  • composition
  • When applied to the δ 66 Zn measured in blood, bones, or teeth, the present box model also offers insight into the isotope composition of the human diet, and therefore into its nature. (rsc.org)
  • elemental
  • The beauty of isotopes is that they can compress complexity," says Joseph Skulan , a geochemist and biologist at Elemental Biomarkers, LLC, in Lodi, Wis. (earthmagazine.org)
  • Our isotopes are commonly available in metal/elemental, oxide, chloride or carbonate forms. (isoflex.com)
  • diagnostic
  • We also provide isotopes needed for vital diagnostic and therapeutic applications in the fields of cardiology, oncology, pulmonology and neurology. (isoflex.com)
  • Thus
  • The humification of both dead moss and larch needles leads to retain the fraction where Zn bound most strongly thus releasing the lighter isotopes in solution and preserving the heavy isotopes in the humification products, in general accord with previous experimental and modeling works [GCA 75:7632-7643, (springeropen.com)
  • Conclusions
  • Mean EZP (adjusted for body weight) size at birth for the combined Pakistani groups was significantly lower than AGA infants at birth in the United States (P = 0.017).Conclusions:These results did not support a difference in zinc endowment between SGA and AGA Pakistani infants. (deepdyve.com)
  • past
  • Despite their limited number, they already highlight the great potential of Zn isotope variations to detect breast cancers based on blood values and to reconstruct past hominin diets using dental enamel data. (rsc.org)
  • light
  • Results showed that plants were inclined to absorb light Ni isotopes, presumably due to the functioning of low-affinity transport systems across root cell membrane. (jove.com)
  • diet
  • Equilibration of deuterium enrichment from the newly synthesized plasma free cholesterol, expressed as parts per thousand (0/00) relative to Standard Mean Ocean Water (SMOW), to RBC cholesterol was significantly delayed over the initial 6 (51.7 ± 15.5 vs 1.8 ± 10.2/a, oof P = 0.010) and 12 (60.0 ± 12.3 vs 16.1 ± 8.0^oof P = 0.005) hours post dose in the high cholesterol diet. (ubc.ca)
  • primary
  • Today, germanium is mined primarily from sphalerite (the primary ore of zinc), though germanium is also recovered commercially from silver , lead , and copper ores . (wikipedia.org)
  • sources
  • ISOFLEX also supplies a number of specialty isotopes including Depleted Zinc ( DZO / DZA ) , Lithium-7 , Helium-3 , Iridium-192 , Selenium-75 sources and other select radioisotopes . (isoflex.com)