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  • isotopic
  • Hotz K, Augsburger H, Walczyk T (2011) Isotopic signatures of iron in body tissues as a potential biomarker for iron metabolism. (springer.com)
  • St. John's Research Institute has excellent facilities for training courses and workshops and has hosted fellows and scientific visitors for training in stable isotopic techniques in nutrition. (iaea.org)
  • infrared spectrometry
  • The presence of H. pylori infection will be diagnosed using the [13C] Urea Breath Test (UBT), which is based on the collection of breath samples that are analyzed for the ratio of 13CO2/12CO2 using isotope ratio mass spectrometry (IRMS) or non-dispersive infrared spectrometry (NDIRS). (iaea.org)
  • study
  • His work includes the study of stable isotopes of iron and zinc and the overall relationship of mineral nutriture to health. (nih.gov)
  • To evaluate the potential of iron-biofortified millet to provide additional bioavailable iron compared with regular millet and post-harvest iron-fortified millet, an iron absorption study was conducted in 20 Beninese women with marginal iron status. (www.gov.uk)
  • This study aimed to synthesize and characterize peptide-iron complexes usi. (bioportfolio.com)
  • New study shows that the absorption of iron from meals containing Lactobacillus plantarum DSM 9843 is much higher than absorption from meals without probiotics. (newhope.com)
  • The absorption of iron from capsules with and without Lactobacillus plantarum DSM 9843, respectively, which was used in the study now reported, demonstrates the same result as in the mealtime study announced on June 10, 2014. (newhope.com)
  • The result of the study, which was conducted by a research group headed by Lena Hulthén, professor of clinical nutrition at Gothenburg University, demonstrated that the absorption of iron from meals containing Lactobacillus plantarum DSM 9843 was significantly higher than absorption from meals without probiotic bacteria. (newhope.com)
  • Study of liver biopsies in patients with iron overload other than hereditary hemochromatosis Krayenbühl Pierre‐Alexandre: Novel scientific insights in iron metabolism 2 B. IRON DEFICIENCY ‐ Effect of iron treatment on fatigue in non‐anemic women (3) Iron deficiency is a frequent disorder in menstruating women. (uzh.ch)
  • In a randomised, double‐blinded, placebo‐controlled study, 90 premenopausal women presenting with fatigue, serum ferritin ≤50 ng/mL, and haemoglobin ≥120 g/L were randomised to receive either 800 mg intravenous iron (III)‐hydroxide sucrose or intravenous placebo. (uzh.ch)
  • Iron administration did not influence haemoglobin concentration which was in the normal range at baseline and throughout the study in both iron‐treated and placebo‐treated patients. (uzh.ch)
  • The main goal of this study is to describe Fe transformation pathways, through precipitation and oxidation-reduction (redox) reactions, and examine transformation products for signatures of biological activity using Fe mineralogy and stable isotope approaches. (frontiersin.org)
  • An early study suggests that taking iron might improve attention in girls ages 13-18 with unknown iron status. (webmd.com)
  • The purpose of this study is to determine whether iron therapy given to iron-deficient Ugandan children with moderate-to-severe anemia and clinical malaria is better absorbed and incorporated into red blood cells if it is given concurrently with antimalarial treatment on Day 0 (immediate group) or 4 weeks after antimalarial treatment on Day 28 (delayed group). (clinicaltrials.gov)
  • The results of this study will establish a physiologically-based framework for the optimal timing of antimalarial treatment and iron therapy upon which future interventions aimed at improving iron status in malaria-endemic regions can be built, thus helping to reduce the morbidity and mortality and ensure the full neurobehavioral development of the millions of severely anemic children suffering from iron-deficiency and malaria. (clinicaltrials.gov)
  • Much of his group's pioneering work was on the use of stable isotope probes such as 15N, 2H, 18O and 13C for the study of nitrogen metabolism in premature infants and in children with burns as well as for determining quantitative amino-acid needs in older individuals. (danoneinstitute.org)
  • Prof. Young's research also extended to the study of the metabolism of iron, zinc, copper and selenium in man. (danoneinstitute.org)
  • These studies will utilize stable isotope techniques so as to provide accurate, practically applicable information which may be obtained from the study populations in a safe manner. (clinicaltrials.gov)
  • protein
  • Circulating Fe status indicators (serum iron, ferritin, C-reactive protein, IL-6, erythropoietin, transferrin receptor and hepcidin) and serum folate and vitamin B12 will be measured. (ichgcp.net)
  • Identification of dominant sulfamethoxazole-degraders in pig farm-impacted soil by DNA and protein stable isotope probing. (bioportfolio.com)
  • The main iron regulatory protein in the human metabolism is hepcidin. (bioportfolio.com)
  • Other genes such as toll‐like receptor 4 (TLR4), 9 (TLR9) and nucleotide oligomerization domain protein (NOD2) known to be involved in the cellular response of inflammatory stimuli (like reactive oxygen species due to the tissue iron overloaded) were analyzed. (uzh.ch)
  • Potential iron losses (such as occult gastrointestinal bleeding associated with exposure to cow milk protein or infectious agents) must also be considered. (aappublications.org)
  • The major hormone regulator of body iron availability is hepcidin, a protein produced in the liver. (bariatrictimes.com)
  • The amount of protein in the diet is a factor contributing to the efficiency of zinc absorption as zinc binds to protein. (nrv.gov.au)
  • Small changes in protein digestion may produce significant changes in zinc absorption (Sandstrom & Lonnerdal 1989). (nrv.gov.au)
  • In general, zinc absorption from a diet high in animal protein will be greater than from a diet rich in plant derived proteins (King & Keen 1999). (nrv.gov.au)
  • spectroscopy
  • First, the mineralogy of Fe(III)-bearing precipitates is investigated using microprobe X-ray absorption spectroscopy (μXAS) and X-ray diffraction (μXRD). (frontiersin.org)
  • After the labeled DNA has been banded on electrophoresis gels the stable isotopes may be located by scanning the gel with resonance ionization spectroscopy. (spie.org)
  • carbon
  • Iron is needed for transporting oxygen and carbon dioxide. (webmd.com)
  • Mechanical antidote is a substance that prevents the absorption of a poison (activated carbon). (wikiversity.org)
  • As the Earth's upper atmosphere is bombarded by cosmic radiation, atmospheric nitrogen is broken down into an unstable isotope of carbon - carbon 14 (C-14). (geometry.net)
  • Animals eating those plants in turn absorb Carbon-14 as well as the stable isotopes. (geometry.net)
  • Diffusion Ingestion C-14 Decay Profile The C-14 within an organism is continually decaying into stable carbon isotopes, but since the organism is absorbing more C-14 during its life, the ratio of C-14 to C-12 remains about the same as the ratio in the atmosphere. (geometry.net)
  • measures
  • Efficacy of iron supplementation may be misinterpreted using conventional measures of iron status in iron-depleted, nonanemic women undergoing aerobic exercise training. (pubfacts.com)
  • minerals
  • Second, laser-ablation (LA) and micro-drilling (MD) are used to obtain spatially-resolved Fe stable isotope analysis by multicollector-inductively coupled plasma-mass spectrometry (MC-ICP-MS). Eight Fe-bearing minerals representing three mineralogical classes are present in the samples: oxyhydroxides, secondary phyllosilicates, and sulfides. (frontiersin.org)
  • supplementation
  • 1 The 1976 statement titled "Iron Supplementation for Infants" delineated the rationale for iron supplementation, proposed daily dosages of iron, and summarized potential sources of iron in the infant diet. (aappublications.org)
  • Supplement-Iron Screening and Supplementation in Iron-Replete Pregnant Women and Young Children TOC link. (pubfacts.com)
  • however, the impact of regular moderate aerobic exercise on the effectiveness of iron supplementation remains unclear. (pubfacts.com)
  • This trial in Burkina Faso assessed whether weekly periconceptional iron supplementation increased the risk of lower genital tract infection in young non-pregnant and pregnant women. (beds.ac.uk)
  • Periconceptional weekly iron supplementation of young women did not increase the risk of lower genital tract infections but did increase general morbidity in the non-pregnant cohort. (beds.ac.uk)
  • This finding reinforces concerns about routine iron supplementation in highly malarious areas. (beds.ac.uk)
  • 1989
  • The current statement represents a scientific update and synthesis of the 1976 and 1989 statements with recommendations about the use of iron-fortified and low-iron formulas in term infants. (aappublications.org)
  • status
  • Pregnant women are at risk for iron (Fe) deficiency anemia yet there are virtually no data on Fe status in women carrying multiples and current recommendations do not necessitate Fe screening among this high risk group. (ichgcp.net)
  • In normal weight, healthy subjects, hepcidin is regulated through the iron status of the body: low iron status results. (bioportfolio.com)
  • Fatigue and serum iron status were assessed at baseline, after 6 and 12 weeks using the Brief Fatigue Inventory (BFI) and Short Performance Inventory (SPI) questionnaire. (uzh.ch)
  • Factors such as the milk source of iron (eg, human vs cow), type of iron compound consumed, the food with which it is eaten, and the iron status of the infant greatly affect iron absorption. (aappublications.org)
  • The influence of iron status on iron absorption during pregnancy was examined among pregnant Peruvian women. (nih.gov)
  • In these countries, the use of monotonous plant-based diets, low in animal source food but high in iron absorption inhibitors such as phytic acid or polyphenol, lead to poor iron status or aggravate poor iron status caused by infections. (clinicaltrials.gov)
  • Many interventions that aim to improve iron status involve physically active populations. (pubfacts.com)
  • There have been no previous randomised trials assessing whether vaginal infections are influenced by host iron status. (beds.ac.uk)
  • Host iron status could affect growth and adhesion of bacterial vaginosis (BV) [ 8 ], which is associated with a massive overgrowth of vaginal organisms. (beds.ac.uk)
  • serum
  • The significant effect of iron (compared to placebo) on fatigue was however observed exclusively in patients with substantially depleted iron stores - as indicated by a serum ferritin concentration ≤15 ng/mL at baseline. (uzh.ch)
  • The serum iron of the iron group was significantly higher than that of the iron + zinc group (P 0.03) or control group (P 0.001). (nih.gov)
  • gastric acid
  • Gastric acid is a key factor for the digestion and absorption of micronutrients, i.e., for releasing the micronutrients from the food matrix and to solubilise them. (iaea.org)
  • It seems plausible that the absorption of zinc is affected when gastric acid output decreases as a result of H. pylori infection. (iaea.org)
  • 2 Iron absorption takes place in the duodenum and proximal small intestine, and gastric acid is required to maintain iron solubility for absorption. (bariatrictimes.com)
  • 3 The major reduction in gastric acid and lack of food contact with the duodenum and proximal jejunum explain, in part, the pathogenesis of iron deficiency complicating metabolic surgery. (bariatrictimes.com)
  • pregnancy
  • Low iron levels during pregnancy. (webmd.com)
  • Taking iron during pregnancy starting in the second trimester doesn't seem to increase the duration of pregnancy or increase the weight of the infant at birth. (webmd.com)
  • oxygen
  • Iron helps red blood cells carry oxygen from the lungs to cells all over the body. (webmd.com)
  • malaria
  • Genital tract infections were assessed within a double blind, controlled, non-inferiority trial of malaria risk among nulliparous women, randomised to receive either iron and folic acid or folic acid alone, weekly, under direct observation for 18 months. (beds.ac.uk)
  • Unabsorbed gut iron due to malaria could induce enteric infections, accounting for the increased administration of antibiotics and antifungals in the iron-supplemented arm. (beds.ac.uk)
  • Duodenal
  • When available iron is sufficient, absorbed iron is retained in duodenal enterocytes in the form of ferritin until iron is needed, then exported to transferrin for distribution. (bariatrictimes.com)
  • Blood
  • 7 Preterm infants who receive erythropoietin in lieu of red blood cell transfusions appear to need at least 6 mg/kg per day of iron. (aappublications.org)