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Showing 1-29 of 29 results for "254223" within Papers
Khokon Kumar Dutta et al.
Cancer science, 98(12), 1845-1852 (2007-09-25)
Recently Welch et al. reported that microRNA (miRNA)-34a functions as a potential tumor suppressor in neuroblastoma cells (Oncogene 26: 5017-22, 2007). Here, we conversely show that miRNA-34a supports cell proliferation in rat oxidative stress-induced renal carcinogenesis and is overexpressed in
Todd C Harrop et al.
Inorganic chemistry, 44(20), 6918-6920 (2005-09-27)
Reaction of excess NO with the S = 3/2 Fe(III) complex (Et4N)2[Fe(PhPepS)(Cl)] (1) in protic solvents such as MeOH affords the {Fe-NO}(7) nitrosyl (Et(4)N)(2)[Fe(PhPepS)(NO)] (2). This distorted square-pyramidal S = 1/2 complex, a product of reductive nitrosylation, is the first
Angela J Ahrendt et al.
Proteomics, 7(22), 4148-4157 (2007-11-13)
Geobacter species predominate in aquatic sediments and submerged soils where organic carbon sources are oxidized with the reduction of Fe(III). The natural occurrence of Geobacter in some waste sites suggests this microorganism could be useful for bioremediation if growth and
Etching and dimerization: a simple and versatile route to dimers of silver nanospheres with a range of sizes.
Weiyang Li et al.
Angewandte Chemie (International ed. in English), 49(1), 164-168 (2009-11-28)
Youshan Sun et al.
Bioresource technology, 102(3), 2936-2942 (2010-12-15)
Five inorganic salts, ZnCl(2), FeSO(4), Fe(2)(SO(4))(3), FeCl(3) and Fe(NO(3))(3) were chosen as catalysts to determine their effects on hemicellulose hydrolysis in control silage (no silage additive), and the results indicated that Fe(NO(3))(3) was the most efficient catalyst for hemicellulose hydrolysis.
Yuechao Zhao et al.
Wei sheng yan jiu = Journal of hygiene research, 33(5), 550-552 (2004-12-23)
To study the effect of metal loaded multiporous materials on the removal of arsenic in drinking water. Metal loaded materials were manufactured using active carbon, active alumina, silica gel and macroporous resin etc. as carriers and iron salts and zirconium
J Gautier et al.
International journal of pharmaceutics, 423(1), 16-25 (2011-06-28)
One of the new strategies to improve cancer chemotherapy is based on new drug delivery systems, like the polyethylene glycol-coated superparamagnetic iron oxide nanoparticles (PEG-SPION, thereafter called PS). In this study, PS are loaded with doxorubicin (DOX) anticancer drug, using
Jacob R Hascalovici et al.
Journal of neurochemistry, 108(1), 72-81 (2008-12-03)
Up-regulation of heme oxygenase-1 (HO-1) and altered cholesterol (CH) metabolism are characteristic of Alzheimer-diseased neural tissues. The liver X receptor (LXR) is a molecular sensor of CH homeostasis. In the current study, we determined the effects of HO-1 over-expression and
Guang-Li Wang et al.
Analytica chimica acta, 747, 92-98 (2012-09-19)
An innovative and versatile functional colorimetric sensor for melamine (MA) and H(2)O(2) was developed with simplicity, excellent selectivity and ultrasensitivity. The detection mechanism was based on the "oxidative etching-aggregation" of silver nanoparticles (AgNPs) by the cooperation effect of MA and
Milady Renata Apolinário da Silva et al.
Journal of hazardous materials, 146(3), 508-513 (2007-05-29)
The red Fe(2+)-phenanthroline complex is the basis of a classical spectrophotometric method for determination of iron. Due to the toxicity of this complexing agent, direct disposal of the wastewaters generated in analytical laboratories is not environmentally safe. This work evaluates
Lii, K-H. et al.
Chemistry of Materials, 10, 2599-2599 (1998)
Yin-Ting Yeh et al.
Proceedings of the National Academy of Sciences of the United States of America, 117(2), 895-901 (2019-12-29)
Emerging and reemerging viruses are responsible for a number of recent epidemic outbreaks. A crucial step in predicting and controlling outbreaks is the timely and accurate characterization of emerging virus strains. We present a portable microfluidic platform containing carbon nanotube
Sangchul Hwang et al.
Chemosphere, 78(5), 563-568 (2009-12-05)
Fenton-driven oxidation of methyl tert-butyl ether (MTBE) (0.11-0.16mM) in batch reactors containing ferric iron (5mM) and hydrogen peroxide (H(2)O(2)) (6mM) (pH=3) was performed to investigate MTBE transformation mechanisms. Independent variables included the forms of iron (Fe) (Fe(2)(SO(4))(3).9H(2)O and Fe(NO(3))(3).9H(2)O), H(2)O(2)
Shuichi Sekine et al.
Toxicology and applied pharmacology, 282(3), 237-243 (2014-12-30)
Patients with long-lasting hepatitis C virus (HCV) infection are at major risk of hepatocellular carcinoma (HCC). Iron accumulation in the livers of these patients is thought to exacerbate conditions of oxidative stress. Transgenic mice that express the HCV core protein
Jeanet Conradie et al.
Journal of inorganic biochemistry, 100(12), 2069-2073 (2006-11-04)
All low-spin S=1/2 heme-NO complexes feature FeNO angles of about 140 degrees . In contrast, the square-pyramidal [Fe(CN)(4)(NO)](2-) complex features an exactly linear {FeNO}(7) unit. We have sought here to determine a possible, simple molecular orbital (MO) rationale for these
Metal-mediated cross-linking in the generation of a marine-mussel adhesive.
Mary J Sever et al.
Angewandte Chemie (International ed. in English), 43(4), 448-450 (2004-01-22)
Runjuan Wang et al.
Bioresource technology, 120, 290-294 (2012-07-10)
The study investigated the effects of two-step pretreatment on fermentable sugar production from corn stalk silage. In the first step, the corn stalk silage was extracted by tepid water and then the solid was pretreated using Fe(NO(3))(3) as catalyst. The
Youshan Sun et al.
Applied biochemistry and biotechnology, 164(6), 918-928 (2011-02-15)
Corn stover silage is an attractive raw material for the production of biofuels and chemicals due to its high content of carbohydrates and easy degradability. The effects of Fe(NO(3))(3) pretreatment conditions on sugar yields were investigated for corn stover silage.
Mara Ghiazza et al.
Chemical research in toxicology, 24(1), 99-110 (2010-12-22)
The mechanism of enhancement/inhibition of quartz toxicity induced by iron is still unclear. Here the amount of iron on a fibrogenic quartz (Qz) was increased by wet impregnation (Fe(NO(3))(3) 0.67 and 6.7 wt %). X-ray diffraction (XRD), XRF diffuse reflectance
A Roberts et al.
Oral microbiology and immunology, 20(3), 147-153 (2005-04-20)
Psychological stress is known to increase the circulating levels of the catecholamine hormones noradrenaline and adrenaline, which have been shown to influence the growth of a large number of bacterial species by acting in a siderophore-like manner or by inducing
Marek Basler et al.
Proteomics, 6(23), 6194-6206 (2006-11-30)
Restricting bacterial growth by iron-chelating proteins that reduce iron availability in mucosal secretions and body fluids belongs to basic mechanisms of innate immunity. Most pathogens and commensals thus developed gene regulons responding to iron concentration and encoding iron acquisition systems
Xianmao Lu et al.
Nano letters, 7(6), 1764-1769 (2007-05-11)
This paper describes a two-step procedure for generating cubic nanocages and nanoframes. In the first step, Au/Ag alloy nanoboxes were synthesized through the galvanic replacement reaction between Ag nanocubes and an aqueous HAuCl4 solution. The second step involved the selective
Vinícius Ribas Miron et al.
Molecular and cellular biochemistry, 298(1-2), 101-107 (2006-11-23)
The activity of the enzymes NTPDase and 5'-nucleotidase was studied in both diabetes mellitus and an associated model of iron-overload. Rats were divided in five groups: citrate (CC), saline (S), diabetic (D), iron-overload (IO), and diabetic iron-overload (DIO). Diabetes was
F Ndong et al.
International endodontic journal, 45(6), 557-564 (2012-01-25)
To determine the effect of increasing the proportion of zinc on partially stabilized cement (PSC) produced using a one-step sol gel process. A one-step sol-gel process of Portland cement-based PSC with Zn was synthesized by replacing iron nitrate. The crystalline
Christine M Beavers et al.
Inorganic chemistry, 52(4), 1670-1672 (2013-01-29)
The reaction of 2-pyridylphosphonic acid (LH(2)) with iron(II) perchlorate and iron(III) nitrate afforded an interconnected, double-layered, cationic iron cage, [{Fe(36)L(44)(H(2)O)(48)}](20+) (1a), the largest interconnected, polynuclear ferric cage reported to date. Magnetic studies on 1a revealed antiferromagnetic coupling between the spins
Safi Asim Bin Asif et al.
Nanoscale research letters, 9(1), 510-510 (2014-09-24)
A Co3O4/Fe2O3 composite nanofiber-based solar photocatalyst has been prepared, and its catalytic performance was evaluated by degrading acridine orange (AO) and brilliant cresyl blue (BCB) beneath solar light. The morphological and physiochemical structure of the synthesized solar photocatalyst was characterized
Somdet Srichairatanakool et al.
Hemoglobin, 30(2), 311-327 (2006-06-27)
Secondary iron overload is found in beta-thalassemia (thal) patients because of increased dietary iron absorption and multiple blood transfusions. Excessive iron catalyzes free-radical generation, leading to oxidative damage and vital organ dysfunction. Non-transferrin-bound iron (NTBI) detected in thalassemic plasma is
Y Knöbel et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 45(5), 804-811 (2006-12-13)
Iron could be a relevant risk factor for carcinogenesis since it catalyses the formation of reactive oxygen species (ROS), which damage DNA. We previously demonstrated genotoxic effects by ferric iron using the human colon cancer cell line HT29. Here we
C L Hsueh et al.
Chemosphere, 58(10), 1409-1414 (2005-02-03)
This study investigated Fenton and Fenton-like reactions at low iron concentration (<or==10 mg l-1) to oxidize three commercial azo dyes, namely Red MX-5B, Reactive Black 5 and Orange G. In some local cases in Taiwan, wastewater color was found to
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