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zinc magnesium acetate

Yordanka Gluhcheva, Kalina Kamenova, Petar Dorkov, Yulia Lobanova, Margarita Skalnaya, Juliana Ivanova
Cadmium (Cd) is an environmental pollutant shown to induce multi organ dysfunction. In this study we present novel data about the effects of meso-2,3-dimercaptosuccinic acid (DMSA), monensin and salinomycin on the concentration of Cd in skeletal muscles of mice exposed to Cd (II) acetate treatment for 14 days. The impact of Cd and the chelating agents on the endogenous concentrations of calcium (Ca), copper (Cu), iron (Fe), magnesium (Mg), phosphorous (P), selenium (Se) and zinc (Zn) was also investigated. Subacute exposure of mice to Cd (II) acetate resulted in a significant accumulation of the toxic metal ion in the skeletal muscles compared to the untreated controls...
April 20, 2018: Journal of Trace Elements in Medicine and Biology
Yiliang Wang, Zhipeng Li, Yuanyuan Li, Jingyu Wang, Xiu Liu, Tianyou Song, Xiaomei Yang, Jianwei Hao
Alginates (nickel alginate, NiA; copper alginate, CuA; zinc alginate, ZnA) and 3-aminopropyltriethoxysilane (APTES) were alternately deposited on a magnesium hydroxide (MH) surface by the spray-drying-assisted layer-by-layer assembly technique, fabricating some efficient and environmentally benign flame retardants (M-FR, including Ni-FR, Cu-FR, and Zn-FR). The morphology, chemical compositions, and structures of M-FR were investigated. With 50 wt % loading, compared with EVA28+MH, the peak heat release rate, smoke production rate, and CO production rate of EVA28+Ni-FR decreased by 50...
March 28, 2018: ACS Applied Materials & Interfaces
Michael Rauch, Gerard Parkin
The terminal zinc and magnesium hydride compounds, [κ3 -TismPri Benz ]ZnH and [TismPri Benz ]MgH, which feature the tris[(1-isopropylbenzimidazol-2-yl)dimethylsilyl]methyl ligand, react with B(C6 F5 )3 to afford the ion pairs, {[TismPri Benz ]M}[HB(C6 F5 )3 ] (M = Zn, Mg), which are rare examples of these metals in trigonal monopyramidal coordination environments. Significantly, in combination with B(C6 F5 )3 , {[TismPri Benz ]M}-[HB(C6 F5 )3 ] generates catalytic systems for the hydrosilylation of CO2 by R3 SiH to afford sequentially the bis(silyl)acetal, H2 C(OSiR3 )2 , and CH4 (R3 SiH = PhSiH3 , Et3 SiH, and Ph3 SiH)...
December 20, 2017: Journal of the American Chemical Society
Isaac Dennis Amoah, Poovendhree Reddy, Thor Axel Stenström
Soil-transmitted helminths (STHs) are a major health concern globally. Infection is mostly through contact with contaminated water, food or soil. Therefore to break the cycle of viable transmission STH eggs must be quantitatively detected in the environment. The effect of different reagents on the viability of Ascaris suum eggs during laboratory detection and quantification was assessed and different incubation solutions compared. Sulphuric acid gave a slightly higher recovery percentage of viable eggs (91...
November 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
Hriday Bera, Sanoj Kumar
The current study aimed at developing diethonolamine-modified high-methoxyl pectin (DMP)-alginate (ALG) based core-shell composites for controlled intragastric delivery of metformin HCl (MFM) by combined approach of floating and bioadhesion. DMP with degree of amidation of 48.72% was initially accomplished and characterized by FTIR, DSC and XRD analyses. MFM-loaded core matrices were then fabricated by ionotropic gelation technique employing zinc acetate as cross-linker. The core matrices were further coated by fenugreek gum (FG)-ALG gel membrane via diffusion-controlled interfacial complexation method...
March 2018: International Journal of Biological Macromolecules
Xianghui Li, Pingping Qian
Exposure to low concentrations of heavy metals and metalloids represents a well-documented risk to animal and human health. However, current standards (European Pharmacopeia [EP], United States Pharmacopoeia [USP], International Organization for Standardization [ISO], YBB concerned with rubber closures) only require testing for Zn in pharmaceutical-grade rubber stoppers and then using only pure water as a solvent. We extracted and quantified heavy metals and trace elements from pharmaceutical-grade rubber stoppers under conditions that might occur during the preparation of drugs...
July 2017: Journal of Food and Drug Analysis
Rie Murai, Naoto Yoshida
Fresh Geobacillus thermoglucosidasius cells grown on soybean-casein digest nutrient agar were inoculated as a parent colony 1 cm in diameter on the surface of an agar gel containing acetate and calcium ions (calcite-promoting hydrogel) and incubated at 60 °C for 4 days, after which magnesium-calcite single crystals of 50-130 µm in size formed within the parent colony. Addition of EDTA, polyacrylic acid or N,N-dicyclohexylcarbodiimide to the calcite-forming hydrogel inhibited the parent colony from forming magnesium-calcite crystals...
November 2016: Current Microbiology
Ko-Eun Lee, Ramalingam Radhakrishnan, Sang-Mo Kang, Young-Hyun You, Gil-Jae Joo, In-Jung Lee, Jae-Hwan Ko, Jin-Ho Kim
The use of microbial extracts containing plant hormones is a promising technique to improve crop growth. Little is known about the effect of bacterial cell-free extracts on plant growth promotion. This study, based on phytohormonal analyses, aimed at exploring the potential mechanisms by which Enterococcus faecium LKE12 enhances plant growth in oriental melon. A bacterial strain, LKE12, was isolated from soil, and further identified as E. faecium by 16S rDNA sequencing and phylogenetic analysis. The plant growth-promoting ability of an LKE12 bacterial culture was tested in a gibberellin (GA)-deficient rice dwarf mutant (waito-C) and a normal GA biosynthesis rice cultivar (Hwayongbyeo)...
September 2015: Journal of Microbiology and Biotechnology
Mohammed Shaibu Auwal, Sanni Saka, Ismail Alhaji Mairiga, Kyari Abba Sanda, Abdullahi Shuaibu, Amina Ibrahim
Acacia nilotica (Thorn mimosa) is used locally for various medicinal purposes by traditionalists and herbalists in northeastern Nigeria. Plants products have been used since ancient times in the management of various conditions. The bark of A. nilotica has been reported to be used traditionally to manage diabetes, dysentery, leprosy, ulcers, cancers, tumor of the eye, ear and testicles, induration of liver and spleen and also in treatment of various condylomas. The objective of this study is to determine the phytochemical and elemental constituents of the extracts of A...
2014: Veterinary Research Forum
Evgeniya A Safonova, Alexander G Martynov, Viktor I Zolotarevskii, Sergey E Nefedov, Yulia G Gorbunova, Aslan Yu Tsivadze
Novel magnesium and zinc phthalocyaninates, bearing four lateral electron-rich 15-crown-5-oxanthrene fragments, were synthesized starting from benzo-15-crown-5. Being almost insoluble in common organic solvents, these complexes could be solubilised by interaction with potassium acetate due to the formation of well-defined cofacial supramolecular dimers. A characteristic feature of these dimers is the presence of additional bands in their UV-Vis spectra, which affords the expansion of light absorption region up to ∼750 nm...
January 21, 2015: Dalton Transactions: An International Journal of Inorganic Chemistry
Kalathookunnel Antony Antu, Mariam Philip Riya, Arvind Mishra, Karunakaran S Anilkumar, Chandrasekharan K Chandrakanth, Akhilesh K Tamrakar, Arvind K Srivastava, K Gopalan Raghu
The study is designed to find out the biochemical basis of antidiabetic property of Symplocos cochinchinensis (SC), the main ingredient of 'Nisakathakadi' an Ayurvedic decoction for diabetes. Since diabetes is a multifactorial disease, ethanolic extract of the bark (SCE) and its fractions (hexane, dichloromethane, ethyl acetate and 90% ethanol) were evaluated by in vitro methods against multiple targets relevant to diabetes such as the alpha glucosidase inhibition, glucose uptake, adipogenic potential, oxidative stress, pancreatic beta cell proliferation, inhibition of protein glycation, protein tyrosine phosphatase-1B (PTP-1B) and dipeptidyl peptidase-IV (DPP-IV)...
2014: PloS One
Ku Syahidah Ku Ismail, Takatoshi Sakamoto, Tomohisa Hasunuma, Xin-Qing Zhao, Akihiko Kondo
Lignocellulosic biomass is a potential substrate for ethanol production. However, pretreatment of lignocellulosic materials produces inhibitory compounds such as acetic acid, which negatively affect ethanol production by Saccharomyces cerevisiae. Supplementation of the medium with three metal ions (Zn(2+) , Mg(2+) , and Ca(2+) ) increased the tolerance of S. cerevisiae toward acetic acid compared to the absence of the ions. Ethanol production from xylose was most improved (by 34%) when the medium was supplemented with 2 mM Ca(2+) , followed by supplementation with 3...
December 2014: Biotechnology Journal
Duo-jian Liu, Jing Wu, Ya-qiong Liu, Li Ouyang, Jing-yu Wang
OBJECTIVE: To investigate the effects of lead exposure on lead and other metal elements contents in rats. METHODS: SD rats were randomly divided into control group and several experiment groups of different doses. The rats were exposed to lead acetate through intragastric administration every other day for 5 times. The whole blood, urine and feces of all the rats were collected. The concentrations of lead and 18 metal elements in these samples were determined by inductively coupled plasma mass spectrometry (ICP-MS) and inductively coupled plasma atom emission spectrometry (ICP-AES)...
April 18, 2014: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
Anne E Roberts, Charles W Boylen, Sandra A Nierzwicki-Bauer
The effect of lead accumulation on photopigment production, mineral nutrition, and Anabaena vegetative cell size and heterocyst formation in Azolla caroliniana was investigated. Plants were exposed to 0, 1, 5, 10, and 20 mg L(-1) lead acetate for ten days. Lead accumulation increased when plants were treated with higher lead concentrations. Results revealed a statistically significant decline in total chlorophyll, chlorophyll a, chlorophyll b, and carotenoids in 5, 10, and 20 mg Pb L(-1) treatment groups as compared to plants with 0 or 1 mg Pb L(-1) treatments...
April 2014: Ecotoxicology and Environmental Safety
Jiabiao Lian, Caihong Zhang, Qian Li, Dickon H L Ng
Mesoporous (ZnO)x(MgO)1-x nanoplates were synthesized from a solution containing zinc acetate and magnesium acetate by a template-free solvothermal synthetic method followed by subsequent calcination. After thermal treatment, the plate-like morphology was retained. The formation of pores was due to thermal decomposition of Mg(OH)2 and the release of H2O. The optical properties of the mesoporous (ZnO)x(MgO)1-x nanoplates had been investigated by UV-vis absorption and cathodoluminescence (CL) emission spectroscopy...
December 7, 2013: Nanoscale
Marcin Wierzchowski, Lukasz Sobotta, Paulina Skupin-Mrugalska, Justyna Kruk, Weronika Jusiak, Michael Yee, Krystyna Konopka, Nejat Düzgüneş, Ewa Tykarska, Maria Gdaniec, Jadwiga Mielcarek, Tomasz Goslinski
Four novel magnesium(II) and zinc(II) phthalocyanines bearing 1,4,7-trioxanonyl, polyether and/or (2-methyl-5-nitro-1H-imidazol-1-yl)ethoxy, heterocyclic substituents at their non-peripheral positions were synthesized and assessed in terms of physicochemical and biological properties. Magnesium phthalocyanine derivatives bearing polyether substituents (Pc-1), a mixed system of polyether and heterocyclic substituents (Pc-3), and four heterocyclic substituents (Pc-4), respectively, were synthesized following the Linstead macrocyclization reaction procedure...
October 2013: Journal of Inorganic Biochemistry
L Zhang, S Qiu, T Huang, Z Huang, L Xu, C Wu, I Gelbic, X Guan
To examine the effect of chemical additives on Bacillus thuringiensis (Berliner) against Plutella xylostella (L.), inorganic salts, nitrogenous compounds, protein solubilizing agents, and organic acids were selected and tested. The chosen materials are low in cost and environmentally safe. Results show that many inorganic salts can increase the activity of B. thuringiensis in a range of 1.31- to 3.08-fold. These include calcium acetate, calcium chloride, calcium hydroxide, calcium sulfate, calcium carbonate, sodium carbonate, sodium acetate, potassium hydroxide, potassium carbonate, potassium acetate, magnesium chloride, magnesium sulfate, and zinc sulfate...
June 2013: Journal of Economic Entomology
Shaheen Sultana, Rashid Ali, Sushama Talegaonkar, Farhan Jalees Ahmad, Gaurav Mittal, Aseem Bhatnagar
INTRODUCTION: Alendronate sodium is a bisphosphonate agent used for the treatment of osteoporosis and other bone diseases. It has a strong chelating property to bind or, to some extent, counteract the effects of substances, such as magnesium, calcium citrate, ferrous fumarate, carbonyl iron, as well as the zinc gluconate, sulfate and acetate salts. The objective of the present study was to evaluate lung deposition and sub-acute inhalation toxicity of the alendronate sodium respiratory formulation...
September 2013: Environmental Toxicology and Pharmacology
Yakup Aykut, Gregory N Parsons, Behnam Pourdeyhimi, Saad A Khan
We report on the synthesis of tuned energy band gap Mg(x)Zn(1-x)O nanofibers (NFs) with different Mg(2+) content via the sol-gel electrospinning (ES) technique wherein the addition of the doping material affects not only the morphologies of as-spun ZnAc/PVA and MgAc/ZnAc/PVA nanofibers but also the crystal microstructure and optical properties of calcined ZnO and Mg(x)Zn(1-x)O nanofibers. Following an appropriate aqueous solution preparation of magnesium acetate (MgAc) and zinc acetate (ZnAc) with poly(vinyl alcohol) (PVA), electrospinning is performed and then as-spun nanofibers are calcined in an air atmosphere at 600 °C for 3 h...
March 26, 2013: Langmuir: the ACS Journal of Surfaces and Colloids
Binnaz Hazar-Yoruc, Andac Barkin Bavbek, Mutlu Özcan
This study investigated the erosion kinetics of conventional and resin-modified glass-ionomer luting cements in acidic buffer solutions as a function of time. Disc shaped specimens were prepared from conventional (Ketac-Cem: KTC) and resin-modified glass ionomer cements (Fuji Plus: FP) and immersed in three acidic buffer solutions (0.01 M) namely, acetic acid/sodium acetate (AA(B)), lactic acid/sodium lactate (LA(B)) and citric acid/sodium citrate (CA(B)) with a constant pH of 4.1 and stored for 1, 8, 24, 48, 80, 120 and 168 h...
2012: Dental Materials Journal
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