Heavy metal contamination in the water-level fluctuating zone of the Yangtze River within Wanzhou Section, China.

abstract：:A dietary requirement is defined as the lowest continuing intake of a nutrient that for a specified indicator of adequacy, will maintain a defined level of nutriture in an individual. An essential dietary component is one that the body cannot synthesize in sufficient quantities to maintain health. Recommended dietary ...

journal_title：Biological trace element research

authors： Sutherland B,Strong P,King JC

更新日期：1998-01-01 00:00:00

abstract：:This study evaluated dental fluorosis of the incisors and immunoreactivity in the brain tissues of rats given chronic fluoride doses pre- and postnatally. Female rats were given drinking water with 0, 30 or 100 ppm fluoride ad libitum throughout gestation and the nursing period. In addition, 63 male offspring were tre...

journal_title：Biological trace element research

authors： Güner Ş,Uyar-Bozkurt S,Haznedaroğlu E,Menteş A

更新日期：2016-11-01 00:00:00

abstract：:Zinc is an essential micronutrient for the organism and is critical for the functional and structural integrity of cells. Determination of the amount of trace element concentrations in tissues such as hair samples have been used for the evaluation of the metabolic status especially in children. Unlike serum zinc, conc...

journal_title：Biological trace element research

authors： Çelik B,Nalçacıoğlu H,Karakükçü Ç,Aslaner H,Şahiner ÜM

更新日期：2020-08-01 00:00:00

abstract：:The degree of chromosome damage induced by three compounds of zinc (zinc chloride, zinc sulfate, zinc acetate) was compared in human leucocytes in vitro. Three concentrations of each salt, 3.0 x 10(-5)M, 3.0 x 10(-4)M, and 1.5 x 10(-3)M, were added to leukocyte cultures. The cells were harvested after 48 and 72 h and ...

journal_title：Biological trace element research

authors： Santra M,Talukder G,Sharma A

更新日期：2000-01-01 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

authors： Ciftci TU,Ciftci B,Yis O,Guney Y,Bilgihan A,Ogretensoy M

更新日期：2003-10-01 00:00:00

abstract：:Calcium, phytic acid, polyphenols and fiber are major inhibitors of iron absorption and they could be found in excess in some diets, thereby altering or modifying the iron nutrition status. The purpose of this study is to evaluate the effect of calcium, tannic acid, phytic acid, and pectin over iron uptake, using an i...

journal_title：Biological trace element research

authors： Andrews M,Briones L,Jaramillo A,Pizarro F,Arredondo M

更新日期：2014-04-01 00:00:00

abstract：:After considering the need for quality control in NAA, the concept of quality in NAA procedures themselves is discussed, and some important factors identified. Two approaches to improve quality are then described in more detail. The first concerns the unique ability of NAA using different isotopic reactions and differ...

journal_title：Biological trace element research

authors： Byrne AR

更新日期：1994-10-01 00:00:00

abstract：:To obtain real-time dynamic changes of non-protein-bound copper in the blood, we have developed an online microdialysis sampling system coupled with a flow-injection graphite furnace-atomic absorption spectrometer (FI-GFAAS). The analytical performances of the online system such as linearity, limit of detection, preci...

journal_title：Biological trace element research

authors： Lin SJ,Lee CF,Tseng WC,Huang YL,Wu HL

更新日期：2006-07-01 00:00:00

abstract：:Calcium, magnesium, and zinc balances were determined in eleven young adult college females (mean age, 24.9±2.35) during a 39-d metabolic study when the subjects were fed an adequate calorie and protein diet based on habitually consumed foods. Analysis showed that the dietary contribution of calcium, magnesium, and zi...

journal_title：Biological trace element research

authors： Atinmo T,Friday M

更新日期：1985-11-01 00:00:00

abstract：:Using the dimethylbenz(a)anthracene-induced mammary tumor model in rats, our studies indicated that there was a dose-response relationship between dietary selenium supplementation and the inhibition of mammary carcinogenesis. The degree of inhibition was proportional to the level of dietary selenium up to 5 ppm, at wh...

journal_title：Biological trace element research

authors： Ip C

更新日期：1983-08-01 00:00:00

abstract：:Rare earth elements can promote photosynthesis, but their mechanisms are still poorly understood under magnesium deficiency. The present study was designed to determine the role of cerium in magnesium-deficient maize plants. Maize was cultivated in Hoagland's solution added with cerium with and without adequate quanti...

journal_title：Biological trace element research

authors： Zhou M,Gong X,Wang Y,Liu C,Hong M,Wang L,Hong F

更新日期：2011-09-01 00:00:00

abstract：:We investigated the rooting rate, the number of roots, and the state of growth of loquat (Eriobotrya japonica Lindi) plantlet in medium where La(NO3)3 (0.5-100.0 micromol/L) was added 20 d after transplanting. The activity of peroxidase, nitrate reductase, and the fresh weight of roots were determined 44 d after trans...

journal_title：Biological trace element research

authors： Weiping S,Fashui H,Zhigang W

更新日期：2002-12-01 00:00:00

abstract：:Lithium is an integral drug used in the management of acute mania, unipolar and bipolar depression, and prophylaxis of bipolar disorders. Thyroid abnormalities have been associated with treatment with lithium. Zinc is an essential trace element that plays a role in several biological activities. Therefore, the present...

journal_title：Biological trace element research

authors： Pathak R,Pathak A

更新日期：2020-08-26 00:00:00

abstract：:Selenomethionine metabolism and the biochemical basis for its cytotoxicity were analyzed in cultured human and murine lymphoid cells. The metabolic pathways were also addressed, using purified mammalian enzymes and crude tissue extracts. Selenomethionine was found to be effectively metabolized to S-adenosylmethionine ...

journal_title：Biological trace element research

authors： Kajander EO,Harvima RJ,Eloranta TO,Martikainen H,Kantola M,Kärenlampi SO,Akerman K

更新日期：1991-01-01 00:00:00

abstract：:In the current study, 48 male rats were classified into four groups (12 rats/group): 1-control group received 1 ml distilled water, 2-origanum oil group treated daily with oral dose of origanum oil (5 mg/kg) for 30 and 60 days, 3-mercuric chloride group treated daily with oral dose of mercuric chloride (4 mg/kg) for 3...

journal_title：Biological trace element research

authors： Mohamed NE

更新日期：2018-03-01 00:00:00

abstract：:The objective of this study was to determine the effect of systemic MgSO4 infusion on subendocardial and subepicardial perfusion. Seventeen spontaneously breathing piglets were examined. Myocardial perfusion was measured using radiolabeled microspheres at baseline, 30 and 60 min after either MgSO4 (80 mg/kg) or saline...

journal_title：Biological trace element research

authors： Fantidis P,Stiris TA,Blanco D,Jarabo RM,Del Cerro MJ,Ruiz MA

更新日期：1997-12-01 00:00:00

abstract：:Thirty rats were divided randomly into five groups and fed with different feeds. They were killed after 2 mo. Right thighs of these rats were taken as samples. Bone mineral densities of these samples were measured by the double-energy x-ray bone mineral densitometer, and trace elements contents of the samples were ana...

journal_title：Biological trace element research

authors： Nie H,Qin L,Tian W,Ni B,Bao A,Wang P

更新日期：1999-01-01 00:00:00

abstract：:Aflatoxin B1 (AFB1) is the most toxic among the mycotoxins and causes detrimental health effects on the liver of human and animals. Selenium (Se) plays an important role in protection of various animal species against numerous notorious toxic agents. The present study is designed to explore the protective effects of S...

journal_title：Biological trace element research

authors： Wu B,Mughal MJ,Fang J,Peng X

更新日期：2019-10-01 00:00:00

abstract：:Variations of micro- and macrominerals concentration in Swertia speciosa were determined by atomic absorption spectroscopy. The mineral elements showed significant changes in roots and leaves collected from different altitudes. Among all the elements, highest concentration (more than 2,000 mg/kg) of Ca and K were reco...

journal_title：Biological trace element research

authors： Negi JS,Singh P,nee Pant GJ,Rawat MS

更新日期：2010-12-01 00:00:00

abstract：:Fluoride and lead are two common pollutants in the environment. Previous investigations have found that high fluoride exposure can increase the lead burden. In this experiment, in order to study on the molecular mechanisms of central neural system injury induced by the above two elements, differently expressed protein...

journal_title：Biological trace element research

authors： Niu R,Liu S,Wang J,Zhang J,Sun Z,Wang J

更新日期：2014-12-01 00:00:00

abstract：:We investigated the effect of magnesium supplementation on zinc distribution in rats given excess calcium as carbonate. Rats were given a control diet (5 g/kg calcium and 0.5 g/kg magnesium), a high calcium diet (HC, 25 g/kg calcium and 0.5 g/kg magnesium) or the high calcium diet supplied with magnesium (HCM, 25 g/kg...

journal_title：Biological trace element research

authors： Ohata A,Takasugi S,Matsui T

更新日期：2008-11-01 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

authors： Zhu W,Xu S,Shao P,Zhang H,Wu D,Yang W,Feng J

更新日期：1997-04-01 00:00:00

abstract：:Elemental concentrations in head hair and blood (whole-blood, erythrocytes and plasma) of 28 Nigerian subjects were determined using instrumental neutron activation analysis (INAA) and proton-induced X-ray emission (PIXE) techniques. Correlations found between different elements in hair and blood are reported. Hair le...

journal_title：Biological trace element research

authors： Ojo JO,Oluwole AF,Durosinmi MA,Asubiojo OI,Akanle OA,Spyrou NM

更新日期：1994-10-01 00:00:00

abstract：:This study was performed to investigate calcium (Ca), inorganic phosphorus (P), potassium (K), magnesium (Mg), and chlorine (Cl) levels in blood serum at d 60, 100, and 150 of gestation and at d 45 after parturition and to find out the significance of differences for macromineral levels during these stages of single o...

journal_title：Biological trace element research

authors： Yildiz A,Balikci E,Gurdogan F

更新日期：2005-12-01 00:00:00

abstract：:The selenium concentrations were determined in liver, kidney, skeletal muscle, heart, brain, prostate, testis, bile, lung, and spleen of German traffic accident victims. In addition, the nitrogen and phosphorus contents were determined in the same organs and tissues. On a per-weight unit basis, the highest selenium co...

journal_title：Biological trace element research

authors： Oster O,Schmiedel G,Prellwitz W

更新日期：1988-01-01 00:00:00

abstract：:Divalent metal ions (Fe2+, Cu2+, Zn2+, Ni2+, and Mn2+) induced lipid oxidation in cooked, but not in raw fish. The extent of lipid oxidation, measured by the production of thiobarbituric acid reactive substances (TBRS), was increased with higher concentrations of iron, zinc, and nickel, but was decreased with increasi...

journal_title：Biological trace element research

authors： Ramanathan L,Das NP

更新日期：1992-07-01 00:00:00

abstract：:The aim of the current study was to assess relationships between multiple metals burden in human seminal plasma and semen quality parameters. Levels of five metals (lead, manganese, copper, arsenic, and selenium) in human seminal plasma were determined by inductively coupled plasma mass spectrometry (ICP-MS), and the ...

journal_title：Biological trace element research

authors： Li P,Zhong Y,Jiang X,Wang C,Zuo Z,Sha A

更新日期：2012-07-01 00:00:00

abstract：:The effect of parenteral zinc on tissue metallothionein (MT) was studied in normal and streptozotocin-induced diabetic rats. The accumulation of Zn-MT in liver and pancreas of normal and diabetic rats following the administration (ip) of various amounts of zinc was not different. Renal Zn-MT was higher in the diabetic...

journal_title：Biological trace element research

authors： Lin LY,McCormick CC

更新日期：1986-12-01 00:00:00

abstract：:Selenium and mercuric chloride (MC) interactions regarding effects on cell growth and cell death have been studied. Human K-562 cells were pretreated or simultaneously treated with either selenite (5 or 50 microM) or selenomethionine (10 or 50 microM) and with MC (35 or 50 microM). The 35-microM MC treatments resulted...

journal_title：Biological trace element research

authors： Frisk P,Wester K,Yaqob A,Lindh U

更新日期：2003-05-01 00:00:00

abstract：:In present study, the levels of some toxic elements in 19 different home-made cosmetic products (spray hair dye, henna, tattoo, eyeliner, eye mascara, smear, lip moisturizer, and lipstick) were analyzed by inductively coupled plasma mass spectrometric (ICP-MS) after microwave digestion. The ICP-MS results were verifie...

journal_title：Biological trace element research

authors： Kilic S,Kilic M,Soylak M

更新日期：2020-09-05 00:00:00