Biological Trace Element Research
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Effects of Dietary Supplementation with κ-Selenocarrageenan on the Selenium Accumulation and Intestinal Microbiota of the Sea Cucumbers Apostichopus japonicus
Biological Trace Element Research - Tập 199 - Trang 2753-2763 - 2020
A 30-day feeding trial was conducted to investigate the effect of κ-selenocarrageenan on the growth performance, selenium accumulation, antioxidant capacity, and intestinal microbiota of sea cucumbers Apostichopus japonicus, with different sizes (70 g ± 10 g and 100 g ± 10 g). Sea cucumbers of each size were randomly assigned into two groups; a diet without supplemented κ-selenocarrageenan was ref...... hiện toàn bộ
Spatial distribution of extractable organohalogens in northern pink shrimp in the North Atlantic
Biological Trace Element Research - Tập 71 - Trang 149-166 - 1999
Extractable organohalogens (EOX) are organic compounds that contain chlorine, bromine and/or iodine, which can be separated from the matrix by liquid/liquid or liquid/solid extraction. A combination of instrumental neutron activation analysis (INAA) and solvent extraction methods has been developed for the determination of EOX from the shrimpPandalus borealis. Levels of EOX were evaluated for spat...... hiện toàn bộ
Oral Magnesium Supplementation for the Prevention of Preeclampsia: a Meta-analysis or Randomized Controlled Trials
Biological Trace Element Research - Tập 200 - Trang 3572-3581 - 2021
Previous studies evaluating the role of magnesium supplementation as a preventative strategy for preeclampsia showed inconsistent results. We performed a meta-analysis or randomized controlled trials (RCTs) to evaluate the influence of oral magnesium supplementation on the incidence of preeclampsia in pregnant women. Relevant studies were obtained by search of Medline, Embase, and Cochrane’s Libra...... hiện toàn bộ
Two Decades’ Variation of Trace Elements in Bones of the Endangered East Asian Finless Porpoise (Neophocaena asaeorientalis sunameri) from the East China Sea, China
Biological Trace Element Research - - 2020
There has been increasing concern about trace element accumulation in finless porpoises over the past decades, while the long-term variation of its concentration has been little known. Since most soft tissues of porpoises in the past were not preserved until now, the bone tissue is the only ideal material available. Here, 27 East Asian finless porpoise bone samples collected from Nantong, the East...... hiện toàn bộ
Biliary excretion of copper, manganese, and horseradish peroxidase in eisai hyperbilirubinemic mutant rats (EHBRs) with defective biliary excretion of glutathione
Biological Trace Element Research - Tập 55 - Trang 181-189 - 1996
A mixture of copper (Cu) (0.38 mg/kg), manganese (Mn) (0.038 mg/kg), and horseradish peroxidase (HRP) (5.0 mg/kg) was injected intravenously (iv) into mature Eisai hyperbilirubinemic rats (EHBRs) and Sprague-Dawley rats (SDRs). Bile was collected at 10-min intervals before and after the injection, under anesthesia. The liver, kidneys, and blood were removed 40 min after the injection. The serum-co...... hiện toàn bộ
Trace element and magnesium levels and superoxide dismutase activity in rheumatoid arthritis
Biological Trace Element Research - Tập 68 - Trang 137-142 - 1999
It has been suggested that reactive oxygen metabolites and trace elements play some role in the etiology and pathogenesis of rheumatoid arthritis (RA). Superoxide dismutase (SOD) is believed to exert an important protective role against oxygen toxicity. The aim of the study was to investigate the probable changes in the levels of trace elements and SOD activity in RA. Plasma and erythrocyte copper...... hiện toàn bộ
Specific role of manganese and magnesium on RNA synthesis in rabbit bone marrow erythroid cell nuclei
Biological Trace Element Research - Tập 16 - Trang 203-219 - 1988
Specific roles of managanese (Mn) and magnesium (Mg) on the activities of DNA-dependent RNA polymerases I and II isolated from rabbit bone marrow erythroid cell nuclei were investigated. Three main polymerases were separated from the cell nuclei. When RNA polymerase I and Mg were added to the RNA synthesis assay mixture containing erythroid cell DNA as template, RNA transcription activity was high...... hiện toàn bộ
A Correlation Between Intracellular Zinc Content and Osteosarcoma
Biological Trace Element Research - Tập 199 - Trang 3222-3231 - 2020
Zinc is a trace element in human body involved in many biological processes. It is critical for cell growth and acts as a cofactor for the structure and function of a wide range of cellular proteins such as enzymes. Mounting evidence has shown the involvement of intracellular zinc in the bone-related biological processes such as bone growth, homeostasis, and regeneration; however, the molecular me...... hiện toàn bộ
Mức độ của các nguyên tố vi lượng trong mô cơ và thận của cừu bị fluorosis Dịch bởi AI
Biological Trace Element Research - Tập 174 - Trang 82-84 - 2016
Trong nghiên cứu này, chúng tôi báo cáo nồng độ của bốn nguyên tố vi lượng trong mô cơ và thận của cừu được nuôi trong khu vực có dịch fluorosis. Mười lăm con cừu bị fluorosis từ 3 đến 4 tuổi đã được lựa chọn cho nghiên cứu. Mười con cừu cùng độ tuổi không có dấu hiệu fluorosis được sử dụng làm nhóm đối chứng. Những con vật này đã bị giết tại một lò mổ trong làng Doğubeyazıt, thuộc tỉnh Ağrı, phía...... hiện toàn bộ
#fluorosis #nguyên tố vi lượng #cừu #mô cơ #mô thận #đồng #kẽm #niken #sắt
A simple method for simultaneous estimation of zinc and copper in erythrocytes
Biological Trace Element Research - Tập 7 - Trang 199-208 - 1985
A method is described for simultaneous estimation of zinc and copper in erythrocytes by hemolysis and flame aspiration atomic absorption spectrophotometry. Red blood cells (RBC) were also analyzed by the commonly used nitric acid digestion method for comparison. The difference in the results of zinc analyses of fifteen RBC samples by the two techniques was 0.5 ± 0.8 (mean ± SD) μg Zn/g hemoglobin ...... hiện toàn bộ
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