AnatomyDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and Processes
Calcium IsotopesIntestinal AbsorptionCalcium, DietaryCalcitriolDihydroxycholecalciferolsCalciumCalcium Metabolism DisordersCalbindinsHydroxycholecalciferolsS100 Calcium Binding Protein GCalcium RadioisotopesAbsorptionStrontiumVitamin DParathyroid HormoneBone and BonesIntestinesPhosphorusDuodenumCholecalciferolCalcifediolReceptors, CalcitriolVitamin D Deficiency25-Hydroxyvitamin D3 1-alpha-HydroxylaseMineralsIsotopesCalcium SignalingTRPV Cation ChannelsCalcium CarbonateCalcium ChannelsRicketsIronAnemia, Iron-DeficiencyIron, DietaryFerritinsHemoglobinsIron Chelating AgentsErythrocyte Indices
Radioactive isotopeStablePostmenopausal WomenSeleniumMineral absorptionStrontiumParathyroid hormoneMagnesiumInsolubleRenalBoneIntestinesRegulation of calciumEpithelialEarth'sPhysiologicalExcretionBioavailabilityUrinaryVitaminArsenicFractionalIngestionSodiumThalliumGastricSystemicDigestionHeavy metalsMetabolismCarbonateZincChemicalSerumAtomicNutrientsDecreaseADULTSIonsSyntheticDeficiencyNuclearIntakeAbsorbIronContaminationDairyAlkalineBiologicalStudyHalf lifeKidneysHumanBodyInclude
Radioactive isotope2
  • 10] In general, these assays depend on an antibody that recognizes 25(OH)D2 and 25(OH)D3 in equimolar proportions and the competitive displacement of tracer 25(OH)D (25(OH)D that has been tagged with a radioactive isotope such as 125-I or a chemiluminescent ligand) by acetonitrile extracted samples. (medscape.com)
  • At-Atatine is a radioactive isotope with an extremely short half-life of 7.2 to 8 hours. (mighty-90.com)
Stable5
Postmenopausal Women3
Selenium1
Mineral absorption3
  • Neither calcium mineral absorption (PPI 34.2% 2.4%, placebo 31.5% 2.1%, =.24) nor urinary calcium mineral (PPI 321 38 mg/34 hours, placebo 355 37 mg/34 hours, =.07) differed between your PPI and placebo groupings. (conferencedequebec.org)
  • It is figured short-term gastric acidity suppression by PPIs will not attenuate intestinal calcium mineral absorption in healthful adults. (conferencedequebec.org)
  • Fractional calcium mineral absorption was 83461-56-7 supplier established as the proportion of the cumulative dental tracer recovery towards the cumulative intravenous tracer recovery in the 34-hour urine collection attained after dosing. (conferencedequebec.org)
Strontium5
Parathyroid hormone2
  • Test collection and analyses Fasting bloodstream samples were attained on times ?2 and +5 during each routine of the analysis for procedures of parathyroid hormone (PTH), total and ionized calcium mineral, 1,25-dihydroxyvitamin D, and creatinine. (conferencedequebec.org)
  • Vitamin D insufficiency has been defined as a serum 25(OH)D level of 21-29 ng/mL (52-72 nmol/L). This is based on the observed physiological changes in calcium absorption and parathyroid hormone levels that occur with changes in vitamin D levels. (medscape.com)
Magnesium12
  • Calcium ions (Ca2+) and magnesium ions (Mg2+) have the same charge (+2) and similar sizes, so they react similarly and are able to substitute for each other in some minerals, such as carbonates. (wikipedia.org)
  • Magnesium (Mg) is een mineraal en komt in veel verbinden voor en is qua massa het zevende meest voorkomende element in de aardkorst. (sohf.nl)
  • 3 Voedingsbronnen van magnesium zijn peulvruchten, volle granen, sommige groenten, zaden en noten (vooral amandelen). (sohf.nl)
  • De inname van magnesium via de voeding kan laag zijn, vooral bij vrouwen, Afro-Amerikanen en ouderen. (sohf.nl)
  • Er zijn verschillende vormen van magnesium, waaronder magnesiummalaat, magnesiumcitraat en magnesiumbisglycinaat. (sohf.nl)
  • Organisch gebonden magnesium zoals magnesiummalaat, magnesiumcitraat, magnesiumgluconaat, magnesiumlactaat en magnesiumaspartaat wordt beter opgenomen dan anorganische magnesiumvormen zoals magnesiumchloride, magnesiumhydroxide en magnesiumsulfaat. (sohf.nl)
  • Magnesiummalaat is een verbinding van magnesium en appelzuur. (sohf.nl)
  • Magnesiumcitraat is een combinatie van magnesium en citroenzuur, waarbij magnesium en citroenzuur gebonden zijn. (sohf.nl)
  • Ongebonden (tweewaardig geladen) magnesium gaat gemakkelijk een verbinding aan met fytaat (uit granen), oxalaat (uit o.a. rabarber), fosfaten en methylaminen, waardoor het niet meer geabsorbeerd kan worden. (sohf.nl)
  • Absorption of magnesium (Mg 2+ ) can be affected by the presence of food or other substances that readily complex with magnesium (Mg 2+ ) cations. (healthjade.net)
  • In that study, six healthy males were administered a single oral dose of 360 mg of 26 Mg 2+ as magnesium lactate or citrate and absorption of magnesium (Mg 2+ ) over 5 days was found to be 34.5%±18.8% and 39.8%± 24.3% based on urinary excretion. (healthjade.net)
  • Calcium, for instance, must be taken with vitamins D and C, and essential fatty acids in the proper ratio to magnesium in order to be digested. (hidroplus.co)
Insoluble3
  • Calcium ions are consumed and removed from aqueous environments as they react to form insoluble structures such as calcium carbonate and calcium silicate, which can deposit to form sediments or the exoskeletons of organisms. (wikipedia.org)
  • According to the type of action on the human body, calcium alginate refers to insoluble dietary fibers - polysaccharides. (pharmocean.ru)
  • The insoluble complex is excreted without being absorbed from the intestinal walls. (drugbank.com)
Renal2
  • The three most significant mechanisms controlling calcium use within the body are intestinal absorption, renal absorption and bone turnover, which is controlled predominantly by hormones and their corresponding receptors in the gut, kidneys and bones respectively. (wikipedia.org)
  • Calcium measurements are used in the diagnosis and treatment of parathyroid disease, bone diseases, chronic renal disease and tetany. (cdc.gov)
Bone5
  • This allows for calcium use throughout the body, namely in bone growth, cellular signalling, blood clotting, muscle contraction and neuron function. (wikipedia.org)
  • Put to actual use they let you prevent idiopathic calcium stones and preserve bone mineral. (uchicago.edu)
  • The reduction of radioactive particles in bone uptake, measured in the femur, reached as high as 80 percent, with little interference with calcium absorption. (radiationdangers.com)
  • Taking copper in combination with zinc, manganese, and calcium might slow bone loss in older women. (supplemented.net)
  • Long term of calcium deficiency can lead to oestoporosis in which the bone deteriorates and there is an increased rise of fractures. (researchgate.net)
Intestines1
Regulation of calcium2
Epithelial1
  • Characterizing microbiota-independent effects of oligosaccharides on intestinal epithelial cells: insight into the role of structure and size: Structure-activity relationships of non-digestible oligosaccharides. (frieslandcampinaingredients.com)
Earth's1
Physiological2
  • The molecular mechanisms by which PA may exert this plethora of physiological effects are slowly being elucidated and include intestinal cyclooxygenase enzyme, the G-protein coupled receptors 41 and 43 and activation of the peroxisome proliferator-activated receptor γ, in turn inhibiting the sentinel transcription factor NF-κB and thus increasing the threshold for inflammatory responses in general. (ncats.io)
  • Although some metal ions, such as cobalt and iron are essential for maintaining normal physiological functions, but at higher concentration or their radioactive isotopes leads to poisoning. (researchsquare.com)
Excretion1
  • The absorption, disposition, metabolism, and excretion of 14C-labeled γ-cyclodextrin ([14C]γ-CD) was examined in four separate experiments with Wistar rats. (tno.nl)
Bioavailability1
  • On time 5 from the experimental diet plan, dental 44Ca (0.25 mg/kg total) was implemented in three divided doses and shipped with each meal compared towards the calcium content from 83461-56-7 supplier the meal, thus correcting for potential differences in calcium bioavailability between meals. (conferencedequebec.org)
Urinary1
  • Urinary calcium measurement is used in the differential diagnosis of hypercaluria. (cdc.gov)
Vitamin4
  • Medical Isotopes specializes in our labeled vitamin D products, a group of fat-soluble secosteroids responsible for enhancing intestinal absorption of calcium and phosphate.In humans, the most important compounds in this group are vitamin D3 and vitamin D2. (medicalisotopes.com)
  • Medical Isotopes provides many Vitamin D2 compounds such as 25-Hydroxy Vitamin D2-d6 and 1 ,25-Dihydroxy Vitamin D2-d6. (medicalisotopes.com)
  • 13] It was based on the distinctive ultraviolet (UV) spectral absorption peak of vitamin D metabolites at 265 nm. (medscape.com)
  • Older people are at risk for cobalamin (vitamin B12) deficiency because of a number of common disorders (e.g., autoimmune gastritis) and drugs (e.g., antacids) that may alter its absorption and utilization. (mjhid.org)
Arsenic1
  • Severe gastro-intestinal syndromes, such as those due to phosphorus, mercury or arsenic are manifested by vomiting, colic, and bloody mucus and stools and may be accompanied by liver damage (hepatomegalia, jaundice). (cloudaccess.net)
Fractional1
  • Although Ca intakes did not differ, fractional Ca absorption was significantly lower in the hVitD group than in the cVitD group. (tno.nl)
Ingestion2
  • Prussian blue binds cesium and thallium isotopes in the gastrointestinal tract after ingestion or excreted in the bile by the liver, therby reduces gastrointestinal reabsorption into the enterohepatic circulation. (drugbank.com)
  • Internal contamination occurs through ingestion, inhalation or absorption through skin contact of radioactive materials. (researchsquare.com)
Sodium5
  • A timed 24-hour urine collection was completed on time ?3 for measurements of calcium mineral, sodium, and creatinine. (conferencedequebec.org)
  • At the heart of idiopathic hypercalciuria is what this graph shows - urine calcium is abnormally sensitive to diet sodium. (uchicago.edu)
  • As you lower diet sodium from the average US value of 150 - 200 mEq ( 3500 - 4600 mg) to the present ideal diet sodium of 65 mEq (1500 mg), their urine calcium (blue) falls into the normal range. (uchicago.edu)
  • Many have had multiple 24 hour urine tests, and I make a crude pencil graph of urine calcium vs. urine sodium and show them their own behavior. (uchicago.edu)
  • But, low diet sodium will offset this, improve kidney calcium conservation, so urine calcium can stay low even though diet calcium is high enough to lower urine oxalate. (uchicago.edu)
Thallium2
  • It is orally administered for clinical purposes to be used as an antidote for certain kinds of heavy metal poisoning, such as thallium and radioactive isotopes of caesium. (drugbank.com)
  • Prussian blue exchanges potassium for cesium or thallium at the surface of the crystal in the intestinal lumen. (drugbank.com)
Gastric1
Systemic2
  • Calcium stones from systemic diseases likewise. (uchicago.edu)
  • Systemic absorption is assumed to be insignificant, with minimal release of cyanide from the complex. (drugbank.com)
Digestion1
  • Calcium, released during digestion, acquires an active ionic form, which ensures its almost complete assimilation. (pharmocean.ru)
Heavy metals1
  • There's no doubt that the absorption and storage of too many heavy metals such as mercury, cadmium, lead and others is unsafe. (hidroplus.co)
Metabolism1
  • Many factors, such as chemical nature, and physical and biological half life of radionuclides or metal ions affect its absorption, distribution, metabolism and elimination in human body. (researchsquare.com)
Carbonate11
  • Calcium is stored in geologic reservoirs, most commonly in the form of calcium carbonate or as calcium silicate. (wikipedia.org)
  • Inputs of dissolved calcium (Ca2+) to the ocean include the weathering of calcium sulfate, calcium silicate, and calcium carbonate, basalt-seawater reaction, and dolomitization. (wikipedia.org)
  • Biogenic calcium carbonate is formed when marine organisms, such as coccolithophores, corals, pteropods, and other mollusks transform calcium ions and bicarbonate into shells and exoskeletons of calcite or aragonite, both forms of calcium carbonate. (wikipedia.org)
  • Calcium precipitates into calcium carbonate according to the following equation: Ca2+ + 2HCO3− → CO2+ H2O + CaCO3 The relationship between dissolved calcium and calcium carbonate is affected greatly by the levels of carbon dioxide (CO2) in the atmosphere. (wikipedia.org)
  • Increased carbon dioxide leads to more bicarbonate in the ocean according to the following equation: CO2 + CO32− + H2O → 2HCO3− With ocean acidification, inputs of carbon dioxide promote the dissolution of calcium carbonate and harm marine organisms dependent on their protective calcite or aragonite shells. (wikipedia.org)
  • The solubility of calcium carbonate increases with pressure and carbon dioxide and decreases with temperature. (wikipedia.org)
  • Thus, calcium carbonate is more soluble in deep waters than surface waters due to higher pressure and lower temperature. (wikipedia.org)
  • As a result, precipitation of calcium carbonate is more common in shallower oceans. (wikipedia.org)
  • The calcium carbonate used to form many marine organisms' exoskeletons will begin to break down, leaving these animals vulnerable and unable to live in their habitats. (wikipedia.org)
  • The isotope Calcium-44 can help to indicate variations in calcium carbonate over long timespans and help explain variants in global temperature. (wikipedia.org)
  • Declines in the isotope Calcium-44 usually correlate with periods of cooling, as dissolution of calcium carbonate typically signifies a decrease in temperature. (wikipedia.org)
Zinc1
  • It sometimes occurs in people who get too much zinc from diet or supplements, have intestinal bypass surgery, or are fed by feeding tubes. (supplemented.net)
Chemical1
  • Rocks slowly dissolve by physical and chemical processes, carrying calcium ions into rivers and oceans. (wikipedia.org)
Serum3
  • There is a reciprocal relationship between serum calcium and inorganic phosphorus. (cdc.gov)
  • Since the introduction of routine serum calcium measurement in the 1970s, this disorder has become one of the most common endocrine diseases in the world ( 2 ). (snmjournals.org)
  • The prevalence in Asia seems to be lower, especially in those countries where serum calcium is not yet routinely measured, with some differences in the pattern of clinical presentations ( 7 ). (snmjournals.org)
Atomic1
  • The evaluation of biological activity of different marine algae is important because of their practical significance in preventing absorption of radioactive products of atomic fission as well as in their use as possible natural decontaminators. (radiationdangers.com)
Nutrients2
  • Eating a well-balanced diet can provide all the necessary nutrients and help prevent calcium deficiency. (researchgate.net)
  • Roles of food factors and nutrients in intestinal function and health. (hiroshima-u.ac.jp)
Decrease2
  • The authors conclude their article by summarizing the findings from three recent intervention studies: one in 15 obese children, where weight loss resulted both in a decrease in hepcidin levels and improved enteral iron absorption as well as two studies in bariatric surgical patients showing reduction in inflammation markers, decrease in hepcidin levels and improved iron status. (drsharma.ca)
  • Any increase in the level of inorganic phosphorus causes a decrease in the calcium level by a mechanism not clearly understood. (cdc.gov)
ADULTS2
  • According to USDA recommended Dietary Guidelines for Americans, only 25% of the overall population met the recommended calcium intake in 1994-96 and only 6% of female adults over 60 met the recommended intake of calcium. (2medicalcare.com)
  • It recommends that all adults be screened for ASCVD on or before the age of 50 using a non-invasive atherosclerosis specific coronary artery calcium heart scan. (scirp.org)
Ions2
  • There is a continuous supply of calcium ions into waterways from rocks, organisms, and soils. (wikipedia.org)
  • Calcium ions can also be utilized biologically, as calcium is essential to biological functions such as the production of bones and teeth or cellular function. (wikipedia.org)
Synthetic1
  • Animal studies have indicated that calcium absorption is increased by lactulose, a synthetic disaccharide. (tno.nl)
Deficiency1
  • Thus, irrespective of actual iron intake, a 'low' iron status in obese individuals may result both from reduced absorption and functional iron deficiency - the latter perhaps being more important than the former. (drsharma.ca)
Nuclear1
  • During its production in the Universe, nickel-56 decays to the most common isotope of iron during the last exothermic nuclear fusion reaction. (thechemicalelements.com)
Intake2
  • Average US calcium intake is about 500 mg/d or less, which permits a much higher swing in urine oxalate. (uchicago.edu)
  • Several hypotheses have been suggested for this paradox including dilutional (pseudo) hypoferremia, poor dietary iron intake, increased iron requirements (in part due to the earlier onset and often more severe periods associated with excess weight), and/or impaired iron absorption in obese individuals. (drsharma.ca)
Absorb2
  • Stone formers absorb a higher percentage than normals, but that is not why their urine calcium is higher. (uchicago.edu)
  • People with idiopathic hypercalciuria, the reason for high urine calcium in idiopathic calcium stone formers, absorb diet calcium more efficiently than normal, so a higher diet calcium supply will raise urine calcium and stone risk. (uchicago.edu)
Iron2
  • Iron absorption from the gut is dependent on both a divalent metal transporter and the iron exporter ferroportin, which delivers enteral iron to the blood stream and appears to be the rate-limiting step in this process. (drsharma.ca)
  • Ferroportin in turn is largely regulated by hepcidin, a 25-amino acid peptide hormone, which is both an inhibitor of intestinal iron absorption as well as macrophage iron release. (drsharma.ca)
Contamination1
  • The antidote therapy greatly minimizes the extent of contamination and reduces the half life of radioactive isotopes which have relatively long physicall half life and uniform tissue distribution. (drugbank.com)
Dairy3
Alkaline1
  • Rivers containing more dissolved Ca2+ are generally considered more alkaline.Calcium is one of the most common elements found in seawater. (wikipedia.org)
Biological1
  • The calcium cycle is a common thread between terrestrial, marine, geological, and biological processes. (wikipedia.org)
Study1
  • For example, one study found that calcium levels have decreased between 25 and 50 percent over a 40 million year timespan, suggesting that dissolved Ca2+outputs have exceeded its inputs. (wikipedia.org)
Half life1
Kidneys1
  • It is higher because they have idiopathic hypercalciuria and their kidneys do not retain calcium as well. (uchicago.edu)
Human1
  • SCFA increase intestinal Na absorption by induction of NHE3 in rat colon and human intestinal C2/bbe cells. (ncats.io)
Body1
  • The digestive system may act as a portal for the entry of toxic substances into the body, although its role here is normally much less important than that of the respiratory system which has an absorption surface area of 80-100 m 2 whereas the corresponding figure for the digestive system does not exceed 20 m 2 . (cloudaccess.net)
Include1
  • Further recommendations include treating all calcium positive individuals to reverse their atherosclerotic coronary artery plaques with a combination of a low cholesterol diet, rosuvastatin 10 mg/day, and ezetimibe 10 mg/day. (scirp.org)