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zinc magnesium acetate

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https://www.readbyqxmd.com/read/27502176/magnesium-calcite-crystal-formation-mediated-by-the-thermophilic-bacterium-geobacillus-thermoglucosidasius-requires-calcium-and-endospores
#1
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
https://www.readbyqxmd.com/read/25907061/enterococcus-faecium-lke12-cell-free-extract-accelerates-host-plant-growth-via-gibberellin-and-indole-3-acetic-acid-secretion
#2
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
https://www.readbyqxmd.com/read/25568701/preliminary-phytochemical-and-elemental-analysis-of-aqueous-and-fractionated-pod-extracts-of-acacia-nilotica-thorn-mimosa
#3
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
https://www.readbyqxmd.com/read/25423480/design-of-uv-vis-nir-panchromatic-crown-phthalocyanines-with-controllable-aggregation
#4
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
https://www.readbyqxmd.com/read/25184241/antidiabetic-property-of-symplocos-cochinchinensis-is-mediated-by-inhibition-of-alpha-glucosidase-and-enhanced-insulin-sensitivity
#5
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
https://www.readbyqxmd.com/read/24924214/zinc-magnesium-and-calcium-ion-supplementation-confers-tolerance-to-acetic-acid-stress-in-industrial-saccharomyces-cerevisiae-utilizing-xylose
#6
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
https://www.readbyqxmd.com/read/24743812/-effects-of-lead-exposure-on-18-elements-in-blood-and-excretions-in-rats
#7
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
https://www.readbyqxmd.com/read/24509077/effects-of-lead-accumulation-on-the-azolla-caroliniana-anabaena-association
#8
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
https://www.readbyqxmd.com/read/24101106/mesoporous-zno-x-mgo-1-x-nanoplates-template-free-solvothermal-synthesis-optical-properties-and-their-applications-in-water-treatment
#9
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
https://www.readbyqxmd.com/read/23872453/phthalocyanines-functionalized-with-2-methyl-5-nitro-1h-imidazolylethoxy-and-1-4-7-trioxanonyl-moieties-and-the-effect-of-metronidazole-substitution-on-photocytotoxicity
#10
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
https://www.readbyqxmd.com/read/23865169/effect-of-chemical-additives-on-bacillus-thuringiensis-bacillales-bacillaceae-against-plutella-xylostella-lepidoptera-pyralidae
#11
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
https://www.readbyqxmd.com/read/23851119/in-vivo-lung-deposition-and-sub-acute-inhalation-toxicity-studies-of-nano-sized-alendronate-sodium-as-an-antidote-for-inhaled-toxic-substances-in-sprague-dawley-rats
#12
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
https://www.readbyqxmd.com/read/23461585/synthesis-of-mixed-ceramic-mg-x-zn-1-x-o-nanofibers-via-mg2-doping-using-sol-gel-electrospinning
#13
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
https://www.readbyqxmd.com/read/23207217/the-erosion-kinetics-of-conventional-and-resin-modified-glass-ionomer-luting-cements-in-acidic-buffer-solutions
#14
COMPARATIVE STUDY
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
https://www.readbyqxmd.com/read/23099563/influence-of-trace-elements-on-stabilization-of-aqueous-solutions-of-ascorbic-acid
#15
COMPARATIVE STUDY
Barbara Dolińska, Aneta Ostróżka-Cieślik, Artur Caban, Klimas Rimantas, Lucyna Leszczyńska, Florian Ryszka
Together with vitamin C, zinc, selenium, manganese, and magnesium play a vital role in the preservation of organs scheduled for transplantation. In the present study, it is shown that addition of 1 mg/l of these elements influences the stability of 0.3 mM ascorbic acid solutions. The solution's stability was estimated using an accelerated stability test. The concentration of vitamin C was measured using a validated spectrophotometric method, which uses the reduction of 2,6-dichlorophenoloindophenol by ascorbic acid...
December 2012: Biological Trace Element Research
https://www.readbyqxmd.com/read/22754939/glucose-uptake-enhancing-activity-of-the-ethyl-acetate-extract-of-dennettia-tripetala-in-3t3-l1-adipocytes
#16
Aruh Ottah Anaga, Isaac Uzoma Asuzu
Glucose uptake-enhancing activity of the ethyl acetate extract of Dennettia tripetala (EDT) was investigated using 3T3-L1 adipocytes. EDT yielded 4.43 percent w/w dry matter, showed the presence of alkaloids and flavonoids, contained calcium, iron, zinc, magnesium, copper and manganese. Out of the five extracts of D. tripetala, EDT gave the highest activity (75 percent) in enhancing glucose uptake in 3T3-L1 adipocytes, which was not significantly (p > 0.05) different from insulin (340 nM), the standard drug...
January 2011: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/22701362/effect-of-magnesium-supplementation-on-the-distribution-patterns-of-zinc-copper-and-magnesium-in-rabbits-exposed-to-prolonged-cadmium-intoxication
#17
Zorica Bulat, Danijela Dukić-Ćosić, Biljana Antonijević, Petar Bulat, Dragana Vujanović, Aleksandra Buha, Vesna Matović
The present study is designed to investigate whether magnesium (Mg) supplementation may prevent Cd-induced alterations in zinc (Zn), copper (Cu), and magnesium (Mg) status in rabbits. For this purpose, the concentrations of Zn, Cu, and Mg were estimated in blood, urine, and organs (brain, heart, lungs, liver, kidney, spleen, pancreas, skeletal muscle, and bone) of rabbits given Cd (10 mg/kg b.w.) and rabbits cotreated with Mg (40 mg/kg b.w.) orally, as aqueous solutions of Cd chloride and Mg acetate every day for 4 weeks...
2012: TheScientificWorldJournal
https://www.readbyqxmd.com/read/22265939/migration-of-18-trace-elements-from-ceramic-food-contact-material-influence-of-pigment-ph-nature-of-acid-and-temperature
#18
M Demont, K Boutakhrit, V Fekete, F Bolle, J Van Loco
The effect of pH, nature of acid and temperature on trace element migration from ceramic ware treated with 18 commercially available glazes was studied. Besides of the well-studied lead and cadmium, migration of other toxic and non toxic elements such as aluminum, boron, barium, cobalt, chrome, copper, iron, lithium, magnesium, manganese, nickel, antimony, tin, strontium, titanium, vanadium, zinc and zirconium was investigated in order to evaluate their potential health hazards. Trace element concentrations were determined with Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES)...
March 2012: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/22087861/ultrasound-responsive-thrombus-treatment-with-zinc-stabilized-gelatin-nano-complexes-of-tissue-type-plasminogen-activator
#19
COMPARATIVE STUDY
Yoshiko Uesugi, Hiroyuki Kawata, Yoshihiko Saito, Yasuhiko Tabata
This study is undertaken to design zinc-stabilized gelatin nano-complexes of tissue-type plasminogen activator (t-PA) for thrombolytic therapy where the t-PA activity can be recovered in the blood circulation upon ultrasound irradiation. Various molecular weights of gelatin were complexed with t-PA by their simply mixing in aqueous solution. Then, zinc acetate, calcium acetate or magnesium acetate was added to form nano-sized gelatin-t-PA complexes. The complexes had the apparent molecular size of about 100 nm...
April 2012: Journal of Drug Targeting
https://www.readbyqxmd.com/read/21964566/antihypertensive-effect-of-melothria-maderaspatana-leaf-fractions-on-doca-salt-induced-hypertensive-rats-and-identification-of-compounds-by-gc-ms-analysis
#20
Chinnadurai Veeramani, Khalid S Al-Numair, Govindasamy Chandramohan, Mohammed A Alsaif, Adel A Alhamdan, Kodukkur Viswanathan Pugalendi
The present study was designed to investigate the antihypertensive effect of Melothria maderaspatana leaf fractions on deoxycorticosterone acetate (DOCA)-salt-induced hypertensive rats and to identify compounds from the active fraction by GC-MS analysis. Administration of DOCA salt significantly increased the systolic and diastolic blood pressure compared to sham-operated control rats. When treated with chloroform (CFM), ethyl acetate (EAFM) or methanol fractions of M. maderaspatana (MFM), EAFM alone significantly lowered the systolic and diastolic blood pressure...
April 2012: Journal of Natural Medicines
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