Abstract:
:The liver of Hooded Seal (Cystophora cristata) consists of six lobes of unequal sizes. Extensive sampling by means of cutout samples covering the depth horizon 2-30 mm below liver surface indicates that the liver may be considered homogeneous as to concentrations of zinc, cadmium, mercury, and selenium (residuals of overall mean compatible with normality, the all-organ variance negligibly in excess of within-lobe variance). Mercury and selenium are present in equimolar concentrations. Cutout samples have mercury and selenium concentrations respectively c. 17 and 8% (dry weight basis) above those of homogenates of the same lobe. The apparent dilution of mercury and selenium is tentatively attributed to coarse blood vessels and bile ducts abundantly present in the homogenate but almost absent from the cutouts.
journal_name
Biol Trace Elem Resjournal_title
Biological trace element researchauthors
Nielsen CO,Dietz Rdoi
10.1007/BF02789141subject
Has Abstractpub_date
1990-01-01 00:00:00pages
61-71issue
1eissn
0163-4984issn
1559-0720journal_volume
24pub_type
杂志文章abstract::Nickel (Ni) has not been elucidated as an essential mineral in dairy animals, though in plants and lower organisms, its role in activation of urease enzyme is well known. This study was conducted to evaluate the effect of Ni supplementation on intake, growth performance, urease activity, antioxidant and immune status,...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-018-1524-6
更新日期:2019-07-01 00:00:00
abstract::The contribution of gamma-ray scattering to the total efficiency for point-source geometries in a gamma spectrometer was measured. Scattering of gamma-rays on the shield and in the sample was considered. For a 25% efficiency detector in a small shield, about a 1% contribution to the total efficiency was measured, wher...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/BF02917374
更新日期:1994-10-01 00:00:00
abstract::Oxidative stress is involved in the pathogenesis of congestive heart failure (CHF). Some trace elements serve as antioxidant defenses. The purpose of this study was to analyze the effect of atrial fibrillation (AF) on zinc (Zn) and copper (Cu) levels in patients with advanced CHF. In this prospective study, serum Zn a...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-011-8956-6
更新日期:2011-12-01 00:00:00
abstract::The present study was designed to investigate the effect of mercuric chloride administration on copper, zinc, and iron concentrations in the liver, kidney, lung, heart, spleen, and muscle of rats. The results showed that after dose and time exposure to mercuric chloride, the concentration of mercury in the six tissues...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/BF02910676
更新日期:1997-07-01 00:00:00
abstract::Metal nanoparticles synthesized by green methods with the use of microorganisms are currently one of the most closely studied types of nanomaterials. It has accurately been shown that the characteristics of metal nanoparticles generated in the presence of different bacteria vary. For the two isogenic strains of obliga...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-019-01740-4
更新日期:2020-02-01 00:00:00
abstract::Activity of the immunoregulatory peptide thymulin reflects differences in zinc status. This study compared thymulin activity with four other zinc status measures in rats fed zinc at either 5 or 25 ppm. Rats fed the lower zinc showed the following results compared with rats with adequate zinc intake: serum thymulin act...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-020-02159-y
更新日期:2021-02-01 00:00:00
abstract::Previous studies showed the attenuation of both morphine-dependence and morphine-place preference by zinc. Conditioned place preference and aversion are experimental models frequently used to test the reward-stimulating, respectively the aversive effects induced by different stimuli or substances. Addictive substances...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-017-0995-1
更新日期:2017-11-01 00:00:00
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journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/BF02917205
更新日期:1990-03-01 00:00:00
abstract:CONTEXT:Complementary alternative medicine therapies based on the use of cesium chloride preparations for the treatment of cancer and radiation poisoning, have generated therapeutic interest; but oral or intravenous administration of cesium chloride (CsCl) to cancer patients as an alternative mode of cancer therapy hav...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1385/BTER:94:2:97
更新日期:2003-08-01 00:00:00
abstract::Age-related changes in the concentrations of constituent elements in the brains of rats and mice 1 wk to 24 mo old were determined with inductively coupled plasma-mass spectrometry (ICP-MS) and inductively coupled plasma-atomic emission spectrometry (ICP-AES). Seventeen elements could be determined with reasonable acc...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1385/BTER:80:2:145
更新日期:2001-05-01 00:00:00
abstract::To elucidate compositional changes of the pubic symphysis (PS) by aging, elements of pubic symphysis (PSs) removed from 26 cadavers were determined by inductively coupled plasma atomic-emission spectrometry. It was found that the relative contents (RCs) of calcium and phosphorus in women's PSs were about three- and fi...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/BF02783243
更新日期:1997-01-01 00:00:00
abstract::The effects of zinc on growing rats were characterized using the dietary zinc-deficient (ZD) and Zinc-overdose (ZO) models. Zinc deficiency had negative effects on the host final body weight and liver zinc content, whereas zinc overdose had positive effects. In order to identify the molecular changes in the liver resp...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/BF02686028
更新日期:2007-02-01 00:00:00
abstract::The present study was carried out to determine the effects of different sources of selenium (Se; sodium selenite [Na2SeO3] or selenomethionine [Se-Met]) supplementation on egg production, egg quality, levels of malondialdehyde (MDA), and Se in serum and egg yolk in heat-stressed Japanese quail (Coturnix coturnix japon...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-007-8075-6
更新日期:2008-06-01 00:00:00
abstract::In this study, a new method was developed for the pre-concentration of trace mercury from seafood samples prior to analysis by spectrophotometry. The method is based on the complexation between 2-hydrazinobenzothiazole (2-HBT)-modified copolymer(s) and Hg(II) in the presence of an ionic surfactant, cetyltrimethylammon...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-018-1614-5
更新日期:2019-09-01 00:00:00
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journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-009-8457-z
更新日期:2010-04-01 00:00:00
abstract::Changes in the macro and trace element composition of saliva might be indicative for pathological changes in periodontal tissues. However, there is a lack of evidence in the literature showing associations between mineral elements and periodontal status. The aim of this study was to determine whether such associations...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-019-01977-z
更新日期:2020-09-01 00:00:00
abstract::Glucose-6-phosphate dehydrogenase (G-6-PD) deficiency is the most common human enzymopathy in the world. Trace elements are important for normal hematopoiesis and can play a role in acute hemolytic anemia induced by G-6-PD deficiency. For this purpose, we studied two groups consisting of 10 male children who are G-6-P...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1385/BTER:99:1-3:041
更新日期:2004-07-01 00:00:00
abstract::In this study, eight kinds of nickel (Ni) compounds were orally administered to Wistar male rats and the distribution of each compound was investigated 24 h after the administration. The Ni compounds used in this experiment were nickel metal [Ni-M], nickel oxide (green) [NiO(G)], nickel oxide (black) [NiO(B)], nickel ...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/BF02789001
更新日期:1995-07-01 00:00:00
abstract::Auditory brainstem electric response (ABR) and somatosensory evoked potential (SEP) of 21 subjects (41 ears) among villagers in a rare earth element (REE) area in Gan County, Jiangxi, China, were studied. No difference in ABR between the subjects from the REE area and the control group was noted. However, the conducti...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/BF02803871
更新日期:1997-04-01 00:00:00
abstract::In vitro distribution of aluminium between plasma and erythrocytes has been studied in the presence of variable amounts of sodium L-glutamate. With a red blood cell suspension in isotonic sodium chloride, aluminium remains confined in erythrocytes even when the sodium L-glutamate concentration increases in the medium....
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/BF02990262
更新日期:1990-04-01 00:00:00
abstract::The exposure of toxic elements may directly or indirectly associate with different pathogenesis of heart diseases. In the present study, the association of arsenic (As), cadmium (Cd), cobalt (Co), lead (Pb), and nickel (Ni) in biological samples (whole blood and urine) and mortality from myocardial infarction (MI) pat...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-010-8713-2
更新日期:2011-06-01 00:00:00
abstract::Nonenzymatic glycation of long-lived proteins has been implicated in several complications related to age and diabetes. Dicarbonyl compounds such as methylglyoxal (MGO) have been identified as the predominant source for the formation of advanced glycation end-products (AGEs) in various tissues. We investigated the eff...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-010-8915-7
更新日期:2011-11-01 00:00:00
abstract::Long-term diabetes mellitus can induce osteopenia and osteoporosis, an increase in the incidence of low-stress fractures, and/or delayed fracture healing. Strontium ranelate (SrR) is a dual-action anti-osteoporotic agent whose use in individuals with diabetic osteopathy has not been adequately evaluated. In this study...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-018-1322-1
更新日期:2018-12-01 00:00:00
abstract::The purpose of the present study was to measure the pattern of uptake of(75)Se into proteins in normal rat lenses and into the proteins of lenses with selenite-induced cataract. Ten-day-old suckling rats received a single injection of(75)Se with or without a cataractous dose of cold carrier sodium selenite. Four days ...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/BF02917506
更新日期:1984-06-01 00:00:00
abstract::During pregnancy, the demand for daily iodine increases by 50-70% which occurs to reach around 250 μg/day. Limited information is available on the association of high-risk pregnancy (HRP) with urinary iodine concentration (UIC) and variables such as socioeconomic factors. To analyze iodine nutritional status and socio...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-020-02028-8
更新日期:2020-10-01 00:00:00
abstract::The effectiveness and success of antituberculosis therapy is mainly measured by its ability to identify the organism in the sputum. In certain cases, available tuberculosis tests are not satisfactory and do not provide enough information on the effectiveness of antituberculosis therapy. Copper (Cu), zinc (Zn), and sel...
journal_title:Biological trace element research
pub_type: 临床试验,杂志文章
doi:10.1385/BTER:95:1:65
更新日期:2003-10-01 00:00:00
abstract::The movement of copper and zinc from the fertilized egg into the developing embryo and the subsequent association of the two metals with metallothionein-like proteins (MT) of chick liver was investigated. Hepatic levels of MT in 1-d-old chicks, estimated from specifically bound(115m)Cd, were increased eightfold over e...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/BF02988942
更新日期:1983-12-01 00:00:00
abstract::Metabolic alterations and inflammation are regarded as hallmarks of cancer. Glycolytic flux and intermediate accumulation lead to the production of building blocks and NADPH which is important in protecting the cell from oxidative damage. Inflammation causes the release of mediators responsible for regulating molecula...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-020-02363-w
更新日期:2020-09-03 00:00:00
abstract::Copper oxide nanoparticles (CuONPs) are widely used in several products and their release into the environment can cause toxicity to major food crops. In this study, toxic responses as a result of CuONPs exposure were studied in soybean (Glycine max L.) seedlings. The plants were grown in 1/2 strength Murashige and Sk...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-014-0106-5
更新日期:2014-12-01 00:00:00
abstract::Mannheimia haemolytica is the main bacterial pathogen isolated in bovine respiratory disease (BRD), a common disease affecting calves before weaning. Previous research has shown that experimental infection with bovine herpesvirus 1, a respiratory virus, decreases plasma zinc (Zn) levels. However, changes in plasma Zn ...
journal_title:Biological trace element research
pub_type: 杂志文章
doi:10.1007/s12011-020-02145-4
更新日期:2021-01-01 00:00:00