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Showing 1-30 of 32 results for "400866" within Papers
Xi Zou et al.
ACS nano, 6(10), 8997-9004 (2012-09-14)
Fatigue in ferroelectric oxides has been a long lasting research topic since the development of ferroelectric memory in the late 1980s. Over the years, different models have been proposed to explain the fatigue phenomena. However, there is still debate on
Gen Zhang et al.
Cancer science, 102(6), 1216-1222 (2011-03-26)
10-Hydroxycamptothecin (HCPT) elicits strong anti-cancer effects and is less toxic than camptothecin (CPT), making it widely used in recent clinical trials. However, its low solubility limits its application as an effective anti-cancer therapy. In the present study we investigate the
Shao-Ping Tong et al.
Journal of hazardous materials, 185(1), 162-167 (2010-10-12)
The presence of Fe(3)O(4)-CoO/Al(2)O(3) can improve degradation efficiency significantly during the ozonation of the herbicide 2-(2,4-dichlorophenoxy) propionic acid (2,4-DP). The main factors affecting degradation efficiency, such as pH, the catalyst concentration and addition of the scavenger, were investigated. The kinetics
Alireza Nezamzadeh-Ejhieh et al.
Chemosphere, 107, 136-144 (2014-05-31)
Photodegradation of tetracycline (TC) aqueous solution by FeO doped onto nano-clinoptilolite particles was investigated using a high pressure Hg lamp as radiation source. Nano-particles of clinoptilolite were prepared using ball-milling of micro crystals of zeolite. The pretreated nano-particles ion exchanged
Xu Chao et al.
Die Pharmazie, 65(7), 500-504 (2010-07-29)
GoldMag (Fe3O4/Au) nanoparticles have the advantages of both magnetic response in an external magnetic field and the immobilization of molecules on their surface in a single step. The cytotoxicities of GoldMag nanoparticles and GoldMag nanoparticles loaded with doxorubicin (Dox-GoldMag) combined
Gen Zhang et al.
Nanomedicine : nanotechnology, biology, and medicine, 7(5), 595-603 (2011-02-22)
Nanomaterials can enhance the delivery and treatment efficiency of anticancer drugs, but the mechanisms of the tumor-reducing activity of ferrous-ferric oxide (Fe(3)O(4)) nanoparticles (NPs) with daunorubicin (DNR) have not been established. Here we investigate the synergistic effects of Fe(3)O(4) NPs
Hoang Tri Hai et al.
Journal of colloid and interface science, 346(1), 37-42 (2010-03-12)
Monodisperse wustite (core)/spinel (shell) nanocubes with controllable size from 9 to 22 nm were synthesized by the decomposition of iron oleate complex at high temperature. The composition of the nanocubes was confirmed by X-ray diffraction and magnetic analysis, meanwhile the
Xiaolian Sun et al.
Nano letters, 12(1), 246-251 (2011-12-03)
Monodisperse 35 nm FeO nanoparticles (NPs) were synthesized and oxidized in a dry air atmosphere into core/shell FeO/Fe(3)O(4) NPs with both FeO core and Fe(3)O(4) shell dimensions controlled by reaction temperature and time. Temperature-dependent magnetic properties were studied on FeO/Fe(3)O(4)
Jian-guo Xia et al.
Ying yong sheng tai xue bao = The journal of applied ecology, 21(7), 1820-1828 (2010-10-01)
By using simulation-incubation test and selective dissolution method, this paper studied the effects of soil components on the zinc sorption-desorption by the microaggregates from a typical paddy soil in Mingshan River watershed. The Zn2+ sorption capacity of bulk soil and
Camila C Amorim et al.
Chemosphere, 109, 143-149 (2014-02-25)
In this work, a new approach is presented for the modification of the hazardous steel industry waste BFD (Blast Furnace Dust) into a versatile material for application in environmental remediation processes. Tar pitch, another waste, was used to agglomerate the
Zhen-yu Wang et al.
Huan jing ke xue= Huanjing kexue, 31(3), 781-786 (2010-04-03)
In situ micro-suction cups were used to collect samples of soil solution with Arundo donax Linn and Typha latifolia from defined segments at rhizosphere in field. The experiment was conducted to elucidate the contribution of iron plaque while wetland plants
Tatiana Y Dinarieva et al.
Canadian journal of microbiology, 56(10), 803-808 (2010-10-22)
The iron-oxidizing system of a moderately thermophilic, extremely acidophilic, gram-positive mixotroph, Sulfobacillus sibiricus N1(T), was studied by spectroscopic, high-performance liquid chromatography and inhibitory analyses. Hemes B, A, and O were detected in membranes of S. sibiricus N1(T). It is proposed
Ricardo A Torres-Palma et al.
Water research, 44(7), 2245-2252 (2010-01-29)
This paper explores the degradation of a model pollutant, bisphenol A, by an advanced oxidation process that combines sonolysis, Fe(2+), and TiO(2) in a photoassisted process. Experiments were done under saturated oxygen conditions. The effect of different Fe(2+) (0.56 and
Seiji Watanabe et al.
The Journal of biological chemistry, 287(36), 30128-30138 (2012-07-13)
Mammalian neuroglobin (Ngb) protects neuronal cells under conditions of oxidative stress. The mechanism underlying this function is only partly understood. Here, we report that human Ngb exists in lipid rafts only during oxidative stress and that lipid rafts are crucial
Konstantinos A Kouremenos et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 966, 179-186 (2014-03-29)
Water supply biofilms have the potential to harbour waterborne diseases, accelerate corrosion, and contribute to the formation of tuberculation in metallic pipes. One particular species of bacteria known to be found in the water supply networks is Pseudomonas sp., with
Hiroaki Kotani et al.
Journal of the American Chemical Society, 133(10), 3249-3251 (2011-02-19)
The photocatalytic formation of a non-heme oxoiron(IV) complex, [(N4Py)Fe(IV)(O)](2+) [N4Py = N,N-bis(2-pyridylmethyl)-N-bis(2-pyridyl)methylamine], efficiently proceeds via electron transfer from the excited state of a ruthenium complex, [Ru(II)(bpy)(3)](2+)* (bpy = 2,2'-bipyridine) to [Co(III)(NH(3))(5)Cl](2+) and stepwise electron-transfer oxidation of [(N4Py)Fe(II)](2+) with 2 equiv
Fu-Bo Luan et al.
Huan jing ke xue= Huanjing kexue, 30(7), 1937-1941 (2009-09-25)
Batch tests were conducted to investigate the reductive transformation of nitrobenzene by goethite, hematite, magnetite and steel converter slag bound Fe(II) system. And the reduction mechanism was explored at different pH values. Experimental results showed that hematite, magnetite and steel
L F Gamarra et al.
Journal of nanoscience and nanotechnology, 10(7), 4145-4153 (2010-12-07)
The magnetic resonance imaging contrast agent, the so-called Endorem colloidal suspension on the basis of superparamagnetic iron oxide nanoparticles (mean diameter of 5.5 nm) coated with dextran, were characterized on the basis of several measurement techniques to determine the parameters
Diana Couto et al.
Toxicology letters, 225(1), 57-65 (2013-12-03)
Iron oxide nanoparticles (ION), with different coatings and sizes, have attracted extensive interest in the last years to be applied in drug delivery, cancer therapy and as contrast agents in imagiologic techniques such as magnetic resonance imaging. However, the safety
Haiyan Hong et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 17(31), 8726-8730 (2011-06-17)
Iron oxide coated platinum nanowires (Pt@Fe(2)O(3)NWs) with a diameter of 2.8 nm have been prepared by the oxygen oxidation of FePt NWs in oleylamine. These "cable"-like NWs were characterised by transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy and X-ray
Li-na Xu et al.
Huan jing ke xue= Huanjing kexue, 30(1), 221-226 (2009-04-10)
Iron oxide is abundant in red soil. Reduction and oxidation of iron oxide are important biogeochemical processes. In this paper, we reported the effects of humic acid on dissimilatory iron reduction (DISSIR) in red soil by adding glucose or humic
S M Kal'noĭ et al.
Prikladnaia biokhimiia i mikrobiologiia, 46(4), 491-500 (2010-09-29)
The possibility of detecting antigens of plague, tularemia, and brucellosis microbes with magnetic latex (ML)-based test systems has been demonstrated. MLs were prepared from latexes (polyacroleine microspheres, 1.2-1.8 +/- 0.1 microm) by exposing the particles to a 25-35%-solution of ferrous
Boudin, S. Lii, K-H.
Inorganic Chemistry, 37, 799-799 (1998)
M Mahmoudi et al.
Journal of colloid and interface science, 336(2), 510-518 (2009-05-30)
The performance of nanoparticles for biomedical applications is often assessed by their narrow size distribution, suitable magnetic saturation and low toxicity effects. In this work, superparamagnetic iron oxide nanoparticles (SPIONs) with different size, shape and saturation magnetization levels were synthesized
Zhiying Zhang et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 24(21), 215404-215404 (2012-05-12)
The elastic and anelastic properties of three different samples of Fe(x)O have been determined in the frequency range 0.1-2 MHz by resonant ultrasound spectroscopy and in the range 0.1-50 Hz by dynamic mechanical analysis in order to characterize ferroelastic aspects
Shaoqing Song et al.
Nanotechnology, 21(18), 185602-185602 (2010-04-10)
Fe(3)O(4) nanoparticles with a size range of 4-8 nm were formed by the spontaneous redox reaction between Fe(3 + ) and multi-walled carbon nanotubes (MWCNTs). Cyclic voltammetry, Raman spectroscopy and x-ray photoelectron spectroscopy were employed to study the thermodynamic and
Pamela Moles et al.
The journal of physical chemistry. B, 115(2), 333-346 (2010-12-24)
By using 6,7,8-trioxabicyclo[3.2.2]nonane as the artemisinin model and dihydrated Fe(OH)(2) as the heme model, we report a theoretical study of the late steps of the artemisinin decomposition process. The study offers two viewpoints: first, the energetic and geometric parameters are
Jacob S Beveridge et al.
The Analyst, 136(12), 2564-2571 (2011-05-13)
Differential magnetic catch and release (DMCR) has been used as a method for the purification and separation of magnetic nanoparticles. DMCR separates nanoparticles in the mobile phase by magnetic trapping of magnetic nanoparticles against the wall of an open tubular
Minggang Zhao et al.
Chemical communications (Cambridge, England), 49(69), 7656-7658 (2013-07-23)
Controlled synthesis of spinel ZnFe2O4 nanoparticle-decorated ZnO nanofiber heterostructures was carried out with regularly varied particle sizes and uniform distribution. The obtained heterostructures possessed enhanced intrinsic peroxidase-like activity, and the activities regularly changed as the sizes of ZnFe2O4 nanoparticles varied.
Antony George et al.
ACS applied materials & interfaces, 3(9), 3666-3672 (2011-08-16)
A cost-effective and versatile methodology for bottom-up patterned growth of inorganic and metallic materials on the micro- and nanoscale is presented. Pulsed electrodeposition was employed to deposit arbitrary patterns of Ni, ZnO, and FeO(OH) of high quality, with lateral feature
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