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https://www.readbyqxmd.com/read/29165310/serum-trace-elements-and-heavy-metal-levels-in-patients-diagnosed-with-chronic-otitis-media-and-their-association-with-surgical-treatment-outcomes
#1
Nazım Bozan, Mehmet Emre Dinç, Halit Demir, Abdulaziz Yalınkılıç, Edip Gönüllü, Mahfuz Turan, Canan Demir, Ayşe Arslan, Hüseyin Özkan, Pınar Kundi, Ahmet Faruk Kıroğlu
OBJECTIVE: To determine the serum iron (Fe), zinc (Zn), manganese (Mn), copper (Cu), magnesium (Mg), cobalt (Co), and lead (Pb) levels in patients with chronic otitis media (COM) and to evaluate the association of the serum levels of these elements with treatment outcomes. MATERIALS AND METHODS: Thirty-one healthy volunteers and 31 patients with COM were prospectively included in this study. Serum levels of Fe, Zn, Mn, Mg, Cu, Co, and Pb were determined by an atomic absorption UNICAM-929 spectrophotometer...
November 21, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29164513/the-combined-effects-of-iron-excess-in-the-diet-and-chromium-iii-supplementation-on-the-iron-and-chromium-status-in-female-rats
#2
Halina Staniek, Rafał W Wójciak
Inadequate iron supply has significant consequences to health. There are some relations between the metabolism of different trace elements, such as iron, zinc, copper and chromium. However, the direction of these interactions can be antagonistic or synergistic, and it depends on many factors. The aim of the study was to evaluate the combined effects of supplementary of chromium(III) propionate complex (Cr3) with iron excess on the Cr and Fe status in healthy female rats. The 36 healthy female Wistar rats were divided into six experimental groups (six animals in each) with different Fe levels-adequate (45 mg kg(-1)-100% RDA) and high (excessive-180 mg kg(-1)-400% RDA)...
November 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29163142/low-serum-phosphorus-correlates-with-cerebral-a%C3%AE-deposition-in-cognitively-impaired-subjects-results-from-the-kbase-study
#3
Jong-Chan Park, Sun-Ho Han, Min S Byun, Dahyun Yi, Jun Ho Lee, Kyua Park, Dong Young Lee, Inhee Mook-Jung
Alzheimer's disease (AD), characterized by progressive cognitive decline, is the most prevalent neurodegenerative disease in the elderly. Cerebral β-amyloid (Aβ) deposition is the major pathological hallmark of AD. Recent studies also have shown that the serum level of phosphorus correlates to the risk of incident dementia. To date, the linkage between cerebral Aβ deposition and the serum phosphorus level remains unknown. In this study, we analyzed the levels of serum phosphorus in 109 mild cognitive impairment (MCI) and 73 AD dementia (ADD) subjects...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29160685/graphene-oxide-a-new-carrier-for-slow-release-of-plant-micronutrients
#4
Shervin Kabiri, Fien Degryse, Diana N H Tran, Rodrigo da Silva, Michael J McLaughlin, Dusan Losic
The environmental problems and low efficiency associated with conventional fertilizers provides an impetus to develop advanced fertilizers with slower release and better performances. Here we report of development of a new carrier platform based on graphene oxide (GO) sheets that can provide a high loading of plant micronutrients with controllable slow release. To prove this concept two micronutrients zinc (Zn) and copper (Cu) were used to load on GO sheets and hence formulate GO-based micronutrients fertilizer...
November 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29160218/antimicrobial-resistance-heavy-metal-resistance-and-integron-content-in-bacteria-isolated-from-a-south-african-tilapia-aquaculture-system
#5
Hafizah Y Chenia, Anelet Jacobs
Antibacterial compounds and metals co-select for antimicrobial resistance when bacteria harbour resistance genes towards both types of compounds, facilitating the proliferation and evolution of antimicrobial and heavy metal resistance. Antimicrobial and heavy metal resistance indices of 42 Gram-negative bacteria from a tilapia aquaculture system were determined to identify possible correlations between these phenotypes. Agar dilution assays were carried out to determine susceptibility to cadmium, copper, lead, mercury, chromate and zinc, while susceptibility to 21 antimicrobial agents was investigated by disk diffusion assays...
November 21, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/29159439/isolation-of-lead-resistant-arthrobactor-strain-gq-9-and-its-biosorption-mechanism
#6
Tianqi Wang, Jun Yao, Zhimin Yuan, Yue Zhao, Fei Wang, Huilun Chen
In this study, lead-resistant bacterium Arthrobacter sp. GQ-9 with a resistant capability to cadmium, zinc, and copper was isolated from a heavy metal polluted soil. Microcalorimetry analysis was applied to assess the strain's microbial activity under Pb(II) stress and suggested that GQ-9's microbial activities under Pb(II) stress were stronger than a non-resistant strain. Biosorption batch experiments revealed that the optimal condition for adsorption of Pb(II) by GQ-9 was pH 5.5, a biomass dosage of 1.2 g L(-1), and an initial Pb(II) concentration of 100 mg L(-1) with a maximum biosorption capacity of 17...
November 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29159229/interactions-of-manganese-with-iron-zinc-and-copper-in-neonatal-c57bl-6j-and-parkin-mice-following-developmental-oral-manganese-exposure
#7
Melanie L Foster, Thomas B Bartnikas, Hailey C Maresca-Fichter, Courtney Mercadante, Miriam Dash, Chelsea Miller, David C Dorman
High dose manganese (Mn) exposure can result in changes in tissue concentrations of other essential metals due to Mn-induced alterations in metal absorption and competition for metal transporters and regulatory proteins. We evaluated responses in mice with a Parkin gene defect (parkin mice) and a wildtype strain (C57BL/6J) following neonatal Mn exposure. Neonatal parkin and C57BL/6J littermates were randomly assigned to 0, 11, or 25 mg Mn/kg-day dose groups with oral exposures occurring from postnatal day (PND) 1 through PND 28...
December 2017: Data in Brief
https://www.readbyqxmd.com/read/29158726/enhanced-aerobic-exercise-performance-in-women-by-a-combination-of-three-mineral-chelates-plus-two-conditionally-essential-nutrients
#8
Robert A DiSilvestro, Staci Hart, Trisha Marshall, Elizabeth Joseph, Alyssa Reau, Carmen B Swain, Jason Diehl
Background: Certain essential and conditionally essential nutrients (CENs) perform functions involved in aerobic exercise performance. However, increased intake of such nutrient combinations has not actually been shown to improve such performance. Methods: For 1 mo, aerobically fit, young adult women took either a combination of 3 mineral glycinate complexes (daily dose: 36 mg iron, 15 mg zinc, and 2 mg copper) + 2 CENs (daily dose: 2 g carnitine and 400 mg phosphatidylserine), or the same combination with generic mineral complexes, or placebo (n = 14/group)...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29157887/spatial-patterns-of-heavy-metal-accumulation-in-sediments-and-macrophytes-of-bellandur-wetland-bangalore
#9
T V Ramachandra, P B Sudarshan, M K Mahesh, S Vinay
Heavy metals are one among the toxic chemicals and accumulation in sediments and plants has been posing serious health impacts. Wetlands aid as kidneys of the landscape and help in remediation through uptake of nutrients, heavy metals and other contaminants. The analyses of macrophytes and sediment samples help in evaluating pollution status in aquatic environment. In this study concentration of six heavy metals (Cadmium (Cd), Chromium (Cr), Copper (Cu), Nickel (Ni), Lead (Pb) and Zinc (Zn)) were assessed in sediment and dominant macrophyte samples collected from Bellandur Lake, largest Lake of Bangalore, India...
November 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29156333/short-and-long-term-effects-of-manganese-zinc-and-copper-ions-on-nitrogen-removal-in-nitritation-anammox-process
#10
Huayu Li, Hong Yao, Dayi Zhang, Lushen Zuo, Jia Ren, Jinyuan Ma, Jin Pei, Yaru Xu, Chengyong Yang
This study provided a deep insight into the impacts of trace elements (Mn(2+), Zn(2+) and Cu(2+)) on nitritation-anammox process. For short-term exposure, all the three elements could improve the nitrogen removal rate (NRR) and the optimal concentrations were 2.0 mg/L, 2.0 mg/L and 0.5 mg/L for Mn(2+), Zn(2+) and Cu(2+), respectively. Accordingly, the NRRs were enhanced 54.62%, 45.93% and 44.09%. The long-term experiments were carried out in lab-scale sequencing batch reactors. The surprising results showed that only Mn(2+) addition could enhance the long-term nitritation-anammox process, and the NRR increased from 0...
November 1, 2017: Chemosphere
https://www.readbyqxmd.com/read/29155595/water-wicking-and-droplet-spreading-on-randomly-structured-thin-nanoporous-layers
#11
Claire Kunkle Wemp, Van P Carey
Growing thin, nanostructured layers on metallic surfaces, such as heat exchangers, is an attractive approach to creating thin, superhydrophilic coatings on surfaces to enhance spray cooling heat transfer. This paper presents results of an experimental study of enhanced droplet spreading on zinc oxide, nanostructured surfaces of this type that were thermally grown on a copper substrates. The spreading rate data obtained from experimental high speed videos was used to develop a model specifically for this type of ultra-thin, nano-porous layer...
November 20, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29154507/relationship-between-selected-micronutrient-deficiencies-and-oxidative-stress-biomarkers-in-diabetes-mellitus-patients-with-foot-ulcers-in-ibadan-nigeria
#12
Elizabeth Bosede Bolajoko, Olubayo Michael Akınosun, John Anetor, Kensese Sontin Mossanda
Background/aim: Micronutrients are indispensable in the prevention of diseases and maintenance of good health. Their deficiencies have been implicated in several diseases associated with oxidative stress (OS). This study aimed at investigating the levels of some vitamins and minerals in association with OS markers in diabetic foot ulcer (DFU) patients in Ibadan, Oyo State, Nigeria. Materials and methods: Seventy DFU patients and 50 apparently healthy volunteers (controls) were recruited for the study. Blood samples of 10 mL were collected after a 10-h overnight fast from each participant after obtaining their consent...
August 23, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29154140/mouthpart-deformities-in-chironomidae-diptera-as-bioindicators-of-heavy-metals-pollution-in-shiroro-lake-niger-state-nigeria
#13
Francis O Arimoro, Yohanna I Auta, Oghenekaro N Odume, Unique N Keke, Adamu Z Mohammed
In this study, mouthpart deformities in Chironomid larvae (Diptera) were investigated in relation to sediment contamination in the Shiroro Lake in Nigeria. Metals and chironomids were sampled monthly at three stations (A-C) between August 2013 and January 2014. Across the stations, zinc ranged (3.9-75mg/g), manganese (1.29-1.65mg/g), lead (0.00-0.10mg/g), iron (101-168mg/g) and copper (0.13-0.17mg/g). The metal ions did not differ significantly (P > 0.05) between the sampling stations. However, zinc and iron ions were significantly different between the sampling seasons (P < 0...
November 16, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29151407/minerals-and-trace-elements-in-milk-milk-products-infant-formula-and-adult-pediatric-nutritional-formula-icp-ms-method-collaborative-study-aoac-final-action-2015-06-iso-dis-21424-idf-243
#14
Lawrence H Pacquette, Joseph J Thompson
AOAC Final Action Official Method(SM)2015.06 “Minerals and Trace Elements in Milk, Milk Products, Infant Formula and Adult/Pediatric Nutritional Formula, ICP-MS Method” was collaboratively studied. Note that “milk, milk products” has now been added to the title of the Final Action method because whole milk and several dairy ingredients were successfully incorporated into the collaborative study for the purpose of developing an International Organization for Standardization/International Dairy Federation standard (ISO/DIS 21424; in progress)...
November 20, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/29147139/insights-into-the-management-of-wilson-s-disease
#15
REVIEW
Mohmadshakil Kathawala, Gideon M Hirschfield
Wilson's disease is a rare, inherited autosomal recessive disease of copper metabolism, in which the causative gene, ATP7B, results in absent or reduced function of the ATP7B transporter important for biliary excretion of copper and incorporation of copper into caeruloplasmin. Affected patients accumulate excessive copper within the liver, brain and other tissues. A disease mainly of children, adolescents and young adults; clinical features vary from the asymptomatic state to chronic liver disease, acute liver failure, and neuropsychiatric manifestations...
November 2017: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29145756/micronutrients-and-natural-compounds-status-and-their-effects-on-wound-healing-in-the-diabetic-foot-ulcer
#16
Kanokwan Kulprachakarn, Sakaewan Ounjaijean, Jukkrit Wungrath, Raj Mani, Kittipan Rerkasem
The diabetic foot ulcer (DFU) is an invariably common complication of diabetes mellitus, it is also a significant cause of amputation as well as extended hospitalization. As most patients with DFU suffer from malnutrition, which has been related to improper metabolic micronutrients status, alterations can affect impaired wound healing process. Micronutrients and herbal remedies applications present a wide range of health advantages to patients with DFU. The purpose of this review is to provide current evidence on the potential effect of dietary supplementations such as vitamins A, C, D, E, magnesium, zinc, copper, iron, boron, and such naturally occurring compounds as Aloe vera, Naringin, and Radix Astragali (RA) and Radix Rehmanniae (RR) in the administration of lower extremity wounds, especially in DFU, and to present some insights for applications in the treatment of DFU patients in the future...
November 1, 2017: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/29144287/assessment-of-a-danish-sludge-treatment-reed-bed-system-and-a-stockpile-area-using-substance-flow-analysis
#17
Julie D Larsen, Steen M Nielsen, Charlotte Scheutz
Sludge treatment reed bed (STRB) systems combine dewatering, stabilisation and long-term storage of sludge. The main objective of this study was to investigate how substance concentrations change in the sludge residue during treatment and to conduct substance flow analyses covering the flow of substances in an STRB system over a 12-year treatment period, followed by three months' post-treatment in a stockpile area (SPA). Samples of sludge, reject water and sludge residue of different ages were collected at two Danish STRB system facilities and analysed for content of relevant substances...
November 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/29142238/mapping-qtls-conferring-salt-tolerance-and-micronutrient-concentrations-at-seedling-stagein-wheat
#18
Babar Hussain, Stuart James Lucas, Levent Ozturk, Hikmet Budak
Soil salinization and degradation is one of the consequences of climate change. Identification of major salt tolerance genes and marker assisted selection (MAS) can accelerate wheat breeding for this trait. We genotyped 154 wheat F2 lines derived from a cross between salt tolerant and susceptible cultivars using the Axiom Wheat Breeder's Genotyping Array. A high-density linkage map of 988 single nucleotide polymorphisms (SNPs) was constructed and utilized for quantitative trait loci (QTL) mapping for salt tolerance traits and mineral concentrations under salinity...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29141505/serum-zinc-copper-and-iron-status-of-children-with-coeliac-disease-on-three-months-of-gluten-free-diet-with-or-without-four-weeks-of-zinc-supplements-a-randomised-controlled-trial
#19
K Negi, R Kumar, L Sharma, S P Datta, M Choudhury, P Kumar
Data about the effect of zinc supplementation with gluten-free diet on normalisation of plasma zinc, copper and iron in patients with coeliac disease are scanty. We evaluated the effect of zinc supplementation on serum zinc, copper and iron levels in patients with coeliac disease, by randomising 71 children newly diagnosed with coeliac disease into two groups: Group A = gluten-free diet (GFD); and Group B = gluten-free diet with zinc supplements (GFD +Zn). The rise in iron and zinc was significantly higher in the latter, but the mean rise of copper levels was slightly higher in the former, but the difference was not significant...
January 1, 2017: Tropical Doctor
https://www.readbyqxmd.com/read/29136865/a-catalytic-spectrophotometric-method-for-determination-of-nanomolar-manganese-in-seawater-using-reverse-flow-injection-analysis-and-a-long-path-length-liquid-waveguide-capillary-cell
#20
Sichao Feng, Dongxing Yuan, Yongming Huang, Kunning Lin, Yong Zhu, Jian Ma
A sensitive and precise method for determination of nanomolar manganese in seawater was developed, using reverse flow injection analysis, a long path length liquid waveguide capillary cell, and spectrophotometric detection. The reaction was based on manganese catalyzed oxidation of leucomalachite green with sodium periodate. Various experimental parameters were investigated and optimized. Foreign trace metal ions of iron, copper, zinc, nickel and aluminum did not cause obvious interference with manganese detection...
February 1, 2018: Talanta
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