| can an exercise bicycle be safely used in the epilepsy monitoring unit?: an exercise method to provoke epileptic seizures and the related safety issues. | long-term videoelectroencephalogram (video-eeg) monitoring is performed to diagnose an epileptic seizure and to investigate the differential diagnosis of paroxysmal events. to provoke an epileptic seizure, an exercise method is performed in some cases during long-term video-eeg recording in the epilepsy monitoring unit (emu). the purpose of this study was two-fold: to assess the frequency and severity of adverse events associated with the use of an exercise bicycle and to find a way to safely us ... | 2015 | 25958229 |
| the pi3k/mtor inhibitor pf-04691502 induces apoptosis and inhibits microenvironmental signaling in cll and the eµ-tcl1 mouse model. | current treatment strategies for chronic lymphocytic leukemia (cll) involve a combination of conventional chemotherapeutics, monoclonal antibodies, and targeted signaling inhibitors. however, cll remains largely incurable, with drug resistance and treatment relapse a common occurrence, leading to the search for novel treatments. mechanistic target of rapamycin (mtor)-specific inhibitors have been previously assessed but their efficacy is limited due to a positive feedback loop via mtor complex 2 ... | 2015 | 25957390 |
| novel anisotropic magnetoelectric effect on δ-feo(oh)/p(vdf-trfe) multiferroic composites. | the past decade has witnessed increased research effort on multiphase magnetoelectric (me) composites. in this scope, this paper presents the application of novel materials for the development of anisotropic magnetoelectric sensors based on δ-feo(oh)/p(vdf-trfe) composites. the composite is able to precisely determine the amplitude and direction of the magnetic field. a new me effect is reported in this study, as it emerges from the magnetic rotation of the δ-feo(oh) nanosheets inside the piezoe ... | 2015 | 25950199 |
| nkt cell-targeted vaccination plus anti-4-1bb antibody generates persistent cd8 t cell immunity against b cell lymphoma. | harnessing the immune adjuvant properties of natural killer t (nkt) cells is an effective strategy to generate anticancer immunity. the objective of this study was to increase the potency and durability of vaccine-induced immunity against b cell lymphoma by combining α-galactosylceramide (α-galcer)-loaded tumor cell vaccination with an agonistic antibody targeting the immune checkpoint molecule 4-1bb (cd137). we observed potent synergy when combining vaccination and anti-4-1bb antibody treatment ... | 2015 | 25949907 |
| preparation of magnetite hollow structure for drug delivery application. | monodispersed fe3o4 nanospheres with hollow interior and porous shell structures were synthesized without any template by refluxing iron precursor solution in a teflon-line autoclave at 200 degrees c. those nanoparticles exhibited a ferromagnetic behavior with a high saturation magnetization of 76 emu/g. the hollow structure was formed based on the assembly of many small particles to form large-sized spheres, followed by chemical conversion coupled with oswald ripening process. due to the differ ... | 2014 | 25942909 |
| double-blind, placebo-controlled pilot study of processed ultra emu oil versus placebo in the prevention of radiation dermatitis. | the purpose of this single-institution pilot study was to evaluate the feasibility and safety of an oil-based skin agent, ultra emu oil, on skin-related toxicity in patients undergoing radiation therapy to the breast or chest wall. | 2015 | 25936812 |
| preparation of fe-doped tio2 nanotube arrays and their room-temperature ferromagnetic properties. | fe-doped titania nanotube arrays (nts) were fabricated by electrochemical anodization on a ti foil using fe(no3)3 · 2h2o as iron source. their morphology, structure and optical properties were investigated by field emission scanning electron microscopy, x-ray diffraction, uv-visible absorption spectroscopy and photoluminescence spectroscopy. the uv-visible reflection spectrum of the fe-doped tio2 nts showed a red shift in wavelength of absorption and greater reflectivity compared with the undope ... | 2014 | 25936034 |
| synthesis of novel magnetic cellulose-chitosan composite microspheres and their application in laccase immobilization. | novel magnetic cellulose-chitosan composite microspheres were prepared by sol-gel transition method using ionic liquids as solvent for dissolution and regeneration. subsequently, the composite microspheres activated by glutaradehyde to immobilize enzyme. which of their structure, properties and morphology were studied by scanning electron microscopy, transmission electron microscopy, fourier transform infrared spectroscopy, x-ray diffraction, and vibrating-sample magnetometer showed fe3o4 nanopa ... | 2014 | 25924363 |
| fluorescent oligo(p-phenyleneethynylene) contained amphiphiles-encapsulated magnetic nanoparticles for targeted magnetic resonance and two-photon optical imaging in vitro and in vivo. | folate receptor-targeted multifunctional fluorescent magnetic nanoparticles (fmnps) composed of cores containing iron oxide nanocrystals and amphiphilic oligo(p-phenyleneethynylene) shells with multimodal imaging capability were successfully prepared through a convenient hydrophobic encapsulation approach. the iron oxide nanoparticles in the core provided t2-weighted magnetic resonance imaging (mri), whereas the amphiphilic oligomers on the surface of the nanoparticles introduced good water-solu ... | 2015 | 25916546 |
| robust sio2-modified cofe2o4 hollow nanofibers with flexible room temperature magnetic performance. | a range of robust sio2-modified cofe2o4 hollow nanofibers with high uniformity and productivity were successfully prepared via polyvinylpyrrolidone-sol assisted electrospinning followed by annealing at a high temperature of 1000 °c, and they were characterized using scanning electron microscopy, transmission electron microscopy, vibrating sample magnetometry, x-ray diffraction and x-ray photoelectron spectroscopy in detail. it was demonstrated that amorphous sio2 has a significant influence on n ... | 2015 | 25907405 |
| b cells generated by b-1 development can progress to chronic lymphocytic leukemia. | b cells generated early during fetal/neonatal b-1 development in mice include autoreactive cells with detectable cd5 upregulation induced by b cell receptor (bcr) signaling (b1a cells). a fraction of b1a cells are maintained by self-renewal for life, with the potential risk of dysregulated growth and progression to chronic lymphocytic leukemia (cll)/lymphoma during aging. in studies using the eμ-htcl1 transgenic mouse system, it became clear that this b1a subset has a higher potential than other ... | 2015 | 25907284 |
| a robust super-paramagnetic tio2:fe3o4:ag nanocomposite with enhanced photo and bio activities on polyester fabric via one step sonosynthesis. | high intensity ultrasound was used for the synthesis and simultaneous deposition of tio2:fe3o4:ag nanocomposites on polyester surface providing a feasible route for imparting magnetic and enhanced antibacterial and self-cleaning activities with controllable hydrophilicity/hydrophobicity at low temperature. synergistic impact of sonochemistry and physical effects of ultrasound originating from implosive collapse of bubbles were responsible for the formation and adsorption of nanomaterials on the ... | 2015 | 25899439 |
| complete cis exclusion upon duplication of the eμ enhancer at the immunoglobulin heavy chain locus. | developing lymphocytes somatically diversify their antigen-receptor loci through v(d)j recombination. the process is associated with allelic exclusion, which results in monoallelic expression of an antigen receptor locus. various cis-regulatory elements control v(d)j recombination in a developmentally regulated manner, but their role in allelic exclusion is still unclear. at the immunoglobulin heavy chain locus (igh), the eμ enhancer plays a critical role in v(d)j recombination. we generated a m ... | 2015 | 25896912 |
| synthesis of core-shell magnetic fe3o4@poly(m-phenylenediamine) particles for chromium reduction and adsorption. | magnetic fe3o4@poly(m-phenylenediamine) particles (fe3o4@pmpds) with well-defined core-shell structure were first designed for high performance cr(vi) removal by taking advantages of the easy separation property of magnetic nanoparticles (mnps) and the satisfactory adsorption property of polymers. through controlling the polymerization on mnps, directly coating was realized without the complicated premodification procedures. the particle property and adsorption mechanism were analyzed in details ... | 2015 | 25867789 |
| the tumor-modulatory effects of caspase-2 and pidd1 do not require the scaffold protein raidd. | the receptor-interacting protein-associated ich-1/ced-3 homologous protein with a death domain (raidd/cradd) functions as a dual adaptor and is a constituent of different multi-protein complexes implicated in the regulation of inflammation and cell death. within the piddosome complex, raidd connects the cell death-related protease, caspase-2, with the p53-induced protein with a death domain 1 (pidd1). as such, raidd has been implicated in dna-damage-induced apoptosis as well as in tumorigenesis. ... | 2015 | 25857265 |
| interfacial charge induced magnetoelectric coupling at bifeo₃/batio₃ bilayer interface. | bilayer thin films of bifeo3-batio3 at different thicknesses of bifeo3 were prepared by rf-magnetron sputtering technique. a pure phase polycrystalline growth of thin films was confirmed from xrd results. significantly improved ferroelectric polarization (2pr ∼ 30 μc/cm(2)) and magnetic moment (ms ∼ 33 emu/cc) were observed at room temperature. effect of ferroelectric polarization on current conduction across the interface has been explored. accumulation and depletion of charges at the bilayer i ... | 2015 | 25856737 |
| enzymatic synthesis of magnetic nanoparticles. | we report the first in vitro enzymatic synthesis of paramagnetic and antiferromagnetic nanoparticles toward magnetic elisa reporting. with our procedure, alkaline phosphatase catalyzes the dephosphorylation of l-ascorbic-2-phosphate, which then serves as a reducing agent for salts of iron, gadolinium, and holmium, forming magnetic precipitates of fe45±14gd5±2o50±15 and fe42±4ho6±4o52±5. the nanoparticles were found to be paramagnetic at 300 k and antiferromagnetic under 25 k. although weakly mag ... | 2015 | 25854425 |
| magnetic/nir-responsive drug carrier, multicolor cell imaging, and enhanced photothermal therapy of gold capped magnetite-fluorescent carbon hybrid nanoparticles. | this paper reports a type of multifunctional hybrid nanoparticle (np) composed of gold nanocrystals coated on and/or embedded in a magnetite-fluorescent porous carbon core-shell np template (fe3o4@pc-cds-au) for biomedical applications, including magnetic/nir-responsive drug release, multicolor cell imaging, and enhanced photothermal therapy. the synthesis of the fe3o4@pc-cds-au nps firstly involves the preparation of core-shell template nps with magnetite nanocrystals clustered in the cores and ... | 2015 | 25854197 |
| a novel method to fabricate cofe2o4/srfe12o19 composite ferrite nanofibers with enhanced exchange coupling effect. | nanocomposite of cofe2o4/srfe12o19 has been synthesized by the electrospinning and calcination process. a novel method that cobalt powder was used to replace traditional cobalt salt in the precursor sol-gel for electrospinning was proposed. the crystal structures, morphologies, and magnetic properties of these samples have been characterized in detail. moreover, when the average crystallite size of the hard/soft phases reached up to an optimal value, the cofe2o4 have an enhanced saturation magne ... | 2015 | 25852422 |
| characterization of collagen from emu (dromaius novaehollandiae) skins. | collagen from emu skins as a by-product was prepared. the skins were hardly solubilized in acetic acid, however were successfully solubilized on digestion with 10 % pepsin (w/w) for 4 days. the yield of pepsin-solubilized collagen (psc) was about 27.3 %, on a raw weight basis. by sds-page and cm-toyopearl 650 m column chromatography, the presence of a fourth subunit that was previously designated α4 was confirmed. the denaturation temperature of the psc was 31.5 °c, about 6-7 °c lower than that ... | 2015 | 25829618 |
| oncogenic c-myc-induced lymphomagenesis is inhibited non-redundantly by the p19arf-mdm2-p53 and rp-mdm2-p53 pathways. | the multifaceted oncogene c-myc plays important roles in the development and progression of human cancer. recent in vitro and in vivo studies have shown that the p19arf-mdm2-p53 and the ribosomal protein (rp)-mdm2-p53 pathways are both essential in preventing oncogenic c-myc-induced tumorigenesis. disruption of each pathway individually by p19arf deletion or by mdm2(c305f) mutation, which disrupts rp-mdm2 binding, accelerates eμ-myc transgene-induced pre-b/b-cell lymphoma in mice at seemingly si ... | 2015 | 25823025 |
| polymer stabilized fe3o4-graphene as an amphiphilic drug carrier for thermo-chemotherapy of cancer. | in light of the growing interest in the search for cheap and effective solutions for cancer treatment, we report a simple one pot synthesis of polymer stabilized iron oxide-graphene (pig) that could be realized on a large scale. the structural (fe3o4 particle size of ∼11 nm), functional (various oxygen containing moieties), and magnetic (moment of ∼43 emu/g) properties of pig are explored using various characterization techniques for possible biomedical applications. pig shows good colloidal sta ... | 2015 | 25821899 |
| interprofessional simulation to improve safety in the epilepsy monitoring unit. | patient safety is critical for epilepsy monitoring units (emus). effective training is important for educating all personnel, including residents and nurses who frequently cover these units. we performed a needs assessment and developed a simulation-based team training curriculum employing actual emu sentinel events to train neurology resident-nurse interprofessional teams to maximize effective responses to high-acuity events. | 2015 | 25812939 |
| a novel conversion of the groundwater treatment sludge to magnetic particles for the adsorption of methylene blue. | iron sludge, produced from filtration and backwash of groundwater treatment plant, has long been considered as a waste for landfill. in this study, iron sludge was reused to synthesize fe3o4 magnetic particles (mps) by using a novel solvothermal process. iron sludge contained abundant amounts of silicon, iron, and aluminum and did not exhibit magnetic properties. after treatment for 4h, the amorphous fe in iron sludge was transformed into magnetite fe3o4, which could be easily separated from aqu ... | 2015 | 25804792 |
| preparation and characterization of fe3o4 particles with novel nanosheets morphology and magnetochromatic property by a modified solvothermal method. | novel-morphological fe3o4 nanosheets with magnetochromatic property have been prepared by a modified solvothermal method. such nanosheets could form one-dimension photonic crystal under an external magnetic field. the fe3o4 nanosheets suspension could strongly diffract visible light and display varied colors with changing the intensity of the magnetic field. the photonic response is rapid, fully reversible and widely tunable in the entire visible spectrum. excellent magnetic properties of these ... | 2015 | 25799320 |
| a comparative study on the structural, optical and magnetic properties of fe3o4 and fe3o4@sio2 core-shell microspheres along with an assessment of their potentiality as electrochemical double layer capacitors. | herein, we report a comprehensive and comparative study on the crystal structure, and microstructural, optical, magnetic, hyperfine and electrochemical properties of fe3o4 microspheres (s1) of diameter ∼418 nm and fe3o4@sio2 core-shell microspheres (s2) of diameter ∼570 nm. each asymmetric unit of the crystalline fe3o4 has one cation vacancy at the octahedral [b] site. at 300 k the saturation magnetization and coercivity of ferrimagnetically ordered s1 and s2 are 63.5, 38.5 emu g(-1) and 200 and ... | 2015 | 25787350 |
| autonomic changes in psychogenic nonepileptic seizures: toward a potential diagnostic biomarker? | disturbances of the autonomic nervous system (ans) are common in neuropsychiatric disorders. disease specific alterations of both sympathetic and parasympathetic activity can be assessed by heart rate variability (hrv), whereas electrodermal activity (eda) can assess sympathetic activity. in posttraumatic stress disorder (ptsd), parasympathetic hrv parameters are typically decreased and eda is increased, whereas in major depressive disorder (mdd) and dissociation, both parasympathetic and sympat ... | 2015 | 25780264 |
| rapamycin loaded magnetic fe3o4/carboxymethylchitosan nanoparticles as tumor-targeted drug delivery system: synthesis and in vitro characterization. | a novel tumor-targeted drug delivery system (fe3o4/cmcs-rapa nps) was prepared using magnetic fe3o4/carboxymethylchitosan nanoparticles (fe3o4/cmcs nps) as carrier and rapamycin (rapa) as the model anti-tumor drug. the morphology, composition, and properties of the fe3o4/cmcs-rapa nps were characterized by fourier transform infrared spectroscopy (ft-ir), transmission electron microscope (tem), x-ray diffraction (xrd), thermal analysis (tg/dsc), vibration sample magnetometer (vsm), and drug relea ... | 2015 | 25779605 |
| silica encapsulation of ferrimagnetic zinc ferrite nanocubes enabled by layer-by-layer polyelectrolyte deposition. | stable suspensions of magnetic nanoparticles (mnps) with large magnetic moment, m, per particle have tremendous utility in a wide range of biological applications. however, because of the strong magnetic coupling interactions often present in these systems, it is challenging to stabilize individual, high-moment, ferro- and ferrimagnetic nanoparticles. a novel approach to encapsulate large, that is, >100 nm, ferrimagnetic zinc ferrite nanocubes (zfncs) with silica after an intermediary layer-by-l ... | 2015 | 25756216 |
| influence of bi(3+)-doping on the magnetic and mössbauer properties of spinel cobalt ferrite. | the influence of bi(3+)-doping on the magnetic and mössbauer properties of cobalt ferrite (cofe2o4), wherein the fe(3+) ions are replaced by the bi(3+) ions to form cobixfe2-xo4 ferrites, where x = 0.0, 0.05, 0.1, 0.15 or 0.2, has been investigated. the structural and morphological properties of undoped and doped ferrites, synthesized chemically through a self-igniting sol-gel method, are initially screened using x-ray diffraction, scanning electron microscopy and fourier transform infrared spec ... | 2015 | 25742879 |
| synthesis of boronic-acid-functionalized magnetic attapulgite for selective enrichment of nucleosides. | 2,4-difluoro-3-formyl-phenylboronic acid (dffpba)-modified magnetic attapulgite (atp-fe3o4-nh2-dffpba) was synthesized and employed to capture and enrich cis-diol-containing biomolecules. the resulting material exhibited a high saturation magnetization value of 20.71 emu/g, allowing the absorbent to be conveniently magnetically separated. combining the fe3o4 nanoparticles with the high specific surface area of attapulgite yielded a material with a high capture capacity (13.78 mg/g) for adenosine ... | 2015 | 25736243 |
| one-pot synthesis of c₁₈-functionalized core-shell magnetic mesoporous silica composite as efficient sorbent for organic dye. | in this work, a facile one-pot strategy was proposed for the synthesis of c18-functionalized core-shell magnetic mesoporous silica composite (fe3o4/msio2-c18). the fe3o4/msio2-c18 composite, with an average size of 80 nm and a functionalized mesoporous silica shell of about 30 nm in thickness, has excellent adsorption ability toward methylene blue dye (mb) due to the large surface area (303 m(2) g(-1)) and the abundant hydrophobic c18 groups. the adsorption equilibrium was achieved within 20 min ... | 2015 | 25734221 |
| a flux extraction device to measure the magnetic moment of large samples; application to bulk superconductors. | we report the design and construction of a flux extraction device to measure the dc magnetic moment of large samples (i.e., several cm(3)) at cryogenic temperature. the signal is constructed by integrating the electromotive force generated by two coils wound in series-opposition that move around the sample. we show that an octupole expansion of the magnetic vector potential can be used conveniently to treat near-field effects for this geometrical configuration. the resulting expansion is tested ... | 2015 | 25725888 |
| folic acid-conjugated superparamagnetic iron oxide nanoparticles for tumor-targeting mr imaging. | superparamagnetic iron oxide nanoparticles (spions) have been the subject of extensive research due to their potential biomedical applications. in the present investigation, superparamagnetic fa-pei-fe3o4 were successfully prepared and evaluated as a targeted mri contrast agent. ftir characteristics, tga, vsm, and mr imaging confirmed the composition and magnetic properties of the synthesized nanoparticles. tem showed that fa-pei-fe3o4 were spherical in shape and well dispersed. the nanoparticle ... | 2016 | 25715808 |
| srga(0.7)co(0.3)o(3-δ) perovskite-cobalt oxide-metal nanocomposite films: magnetic and optical properties. | two-phase nanocomposite films consisting of metallic co nanoparticles below 50 nm diameter in a perovskite matrix were grown by pulsed laser deposition onto (laalo3)0.3(sr2altao6)0.7 (lsat) and silicon substrates from a target of srga0.73co0.27o3. the particles made up about 6% by volume of the film and were present within the film and at the substrate interface. the saturation magnetization of the film was up to 85 emu cm(-3) at 80 nm thickness and the faraday rotation (fr) tracked the out-of-p ... | 2015 | 25706414 |
| composition and hydrophilicity control of mn-doped ferrite (mnxfe3-xo4) nanoparticles induced by polyol differentiation. | manganese doped ferrite (mnxfe3-xo4) nanoparticles with x = 0.29-0.77 were prepared under solvothermal conditions in the presence solely of a polyol using the trivalent manganese and iron acetylacetonates as precursors. in this facile approach, a variety of polyols such as polyethylene glycol (peg 8000), tetraethylene glycol (teg), propylene glycol (pg) and a mixture of teg and pg (1 : 1) were utilized in a triple role as a solvent, a reducing agent and a surface-functionalizing agent. the compo ... | 2015 | 25689845 |
| nanosized graphene crystallite induced strong magnetism in pure carbon films. | we report strong magnetism in pure carbon films grown by electron irradiation assisted physical vapor deposition in electron cyclotron resonance plasma. the development of graphene nanocrystallites in the amorphous film matrix, and the dependence of the magnetic behavior on amorphous, nanocrystallite and graphite-like structures were investigated. results were that the amorphous structure shows weak paramagnetism, graphene nanocrystallites lead to strong magnetization, and graphite-like structur ... | 2015 | 25683975 |
| tunable ferromagnetic ordering in mos₂ nanosheets with fluorine adsorption. | two-dimensional ferromagnetic ultrathin nanosheets hold great promise for next generation electronics and spintronics. here, intrinsic ferromagnetism was achieved through a new effective strategy by fluorine adsorption on mos2 nanosheets, where the fluorinated mos2 nanosheets exhibit stable ferromagnetic hysteresis at room temperature with saturation magnetization of 0.06 emu g(-1) and magnetoresistance of 4.1%. the observed ferromagnetism can be tuned by changing the concentration of the adatom ... | 2015 | 25672798 |
| preparation and evaluation of minoxidil foamable emu oil emulsion. | the aim of this work was to develop and evaluate a minoxidil foamable emu oil emulsion with the purpose of improving minoxidil permeation into the skin, increasing hair growth, reducing skin irritation, and increasing consumer compliance. minoxidil was dissolved in a solvent system comprising ethanol: glycerin: lactic acid: water (10:20:5:65). the foamable emulsion was prepared by mixing the oil phase with minoxidil solution using different amount of various emulsifiers. seventeen formulations w ... | 2017 | 25657781 |
| synthesis and magnetic properties of fe3c-c core-shell nanoparticles. | fe3c-c core-shell nanoparticles were fabricated on a large scale by metal-organic chemical vapor deposition at 700 °c with ferric acetylacetonate as the precursor. analysis results of x-ray diffraction, transmission electron microscope and raman spectroscope showed that the fe3c cores with an average diameter of ∼35 nm were capsulated by the graphite-like c layers with the thickness of 2-5 nm. the comparative experiments revealed that considerable fe3o4-fe3c core-shell nanoparticles and c nanotu ... | 2015 | 25648961 |
| ellipsoid-shaped superparamagnetic nanoclusters through emulsion electrospinning. | ellipsoid-shaped nanoclusters composed of single superparamagnetic nanoparticles can be generated by emulsion electrospinning. stretching and subsequent solvent evaporation of iron oxide loaded emulsion droplets during the emulsion electrospinning process enables the creation of such structures embedded in polymer nanofibers. dissolution of the polymer fibers yields an aqueous dispersion of the inorganic clusters which are the first example of ellipsoid-shaped superparamagnetic nanoclusters with ... | 2015 | 25646769 |
| combined alternating gradient force magnetometer and susceptometer system. | we report the design, fabrication, and characterization of a new system that combines the performances of two different types of magnetic characterization systems, alternating gradient force magnetometers (agfm) and susceptometers. the flexibility of our system is demonstrated by its capability to be used as any of them, agfm or susceptometer, without any modification in the experimental set-up because of the electronics we have developed. our system has a limit of sensitivity lower than 5 × 10( ... | 2015 | 25638125 |
| facile preparation and bifunctional imaging of eu-doped gdpo4 nanorods with mri and cellular luminescence. | the biocompatibility of multifunctional nanomaterials is very important for their clinical applications. herein, the hexagonal crystal eu-doped gdpo4 nanorods (nrs) in the template of silk fibroin (sf) peptides are successfully synthesized via a mineralization process. the sizes of the eu-doped gdpo4 nrs with sf peptides (sf-nrs) are ∼150 nm in length and ∼10 nm in diameter. the eu-doped sf-nrs have strong pink luminescence and a mass magnetic susceptibility value of 1.27 emu g(-1) in 20,000 g o ... | 2015 | 25630852 |
| synthesis of small-sized, porous, and low-toxic magnetite nanoparticles by thin poss silica coating. | in this communication, we report the synthesis of small-sized (<10 nm), water-soluble, magnetic nanoparticles (mnps) coated with polyhedral oligomeric silsesquioxanes (poss), which contain either polyethylene glycol (peg) or octa(tetramethylammonium) (octatma) as functional groups. the poss-coated mnps exhibit superparamagnetic behavior with saturation magnetic moments (51-53 emu g(-1)) comparable to silica-coated mnps. they also provide good colloidal stability at different ph and salt concentr ... | 2015 | 25630810 |
| evaluation of the clinical efficacy and safety of an eye counter pad containing caffeine and vitamin k in emulsified emu oil base. | people strive to maintain the best look and have a youthful appearance. the skin around the eye is an area without many oil glands and collagen in comparison to the body rest, so it is more prone to fine lines and dehydration, which makes it look dull. the aim of this research is to develop and evaluate in vivo efficacy of an anti-wrinkle and dark circle eye pad consisting of 3% w/w caffeine and 1% vitamin k in a convenient, healthy, and cosmeceutical base. | 2015 | 25625116 |
| microwave combustion synthesis of co1-xznxfe2o4 (0⩽x⩽0.5): structural, magnetic, optical and vibrational spectroscopic studies. | nanostructured pure and zinc doped cobalt ferrites (co1-xznxfe2o4 where x fraction ranging from 0 to 0.5) were prepared by microwave combustion method employing urea as a fuel. the nanostructured samples were characterized by using various instrumental techniques such as x-ray powder diffractometry, high resolution scanning electron microscopy, energy dispersive x-ray analysis, uv-visible diffuse reflectance spectroscopy, photoluminescence spectroscopy and fourier transformed infrared (ft-ir) sp ... | 2015 | 25617978 |
| synthesis and characterization of feco nanowires with high coercivity. | ferromagnetic feco nanocrystals with high coercivity have been synthesized using a reductive decomposition method. the sizes and shapes of the nanocrystals were found to be dependent on reaction parameters such as the surfactant ratio, the precursor concentration and the heating rate. synthesized nanocrystals have a body-centered cubic crystal structure for both particles and nanowires and the (110) crystalline direction is along the long axis of the nanowires. the coercivity and magnetization o ... | 2015 | 25609497 |
| moz regulates b-cell progenitors and, consequently, moz haploinsufficiency dramatically retards myc-induced lymphoma development. | the histone acetyltransferase moz (myst3, kat6a) is the target of recurrent chromosomal translocations fusing the moz gene to cbp, p300, ncoa3, or tif2 in particularly aggressive cases of acute myeloid leukemia. in this study, we report the role of wild-type moz in regulating b-cell progenitor proliferation and hematopoietic malignancy. in the eμ-myc model of aggressive pre-b/b-cell lymphoma, the loss of just one allele of moz increased the median survival of mice by 3.9-fold. moz was required t ... | 2015 | 25605372 |
| author's response re. "review on emu products for use as complementary and alternative medicine". | | 2015 | 25592023 |
| enhanced removal performance of arsenate and arsenite by magnetic graphene oxide with high iron oxide loading. | magnetic iron oxide/graphene oxide (mgo) with high iron loading (51 wt%) has been successfully synthesized using the co-precipitation method, and then used as adsorbents for the removal of arsenate and arsenite from aqueous solutions. the resulting mgo possesses desirable magnetic properties (12.8 emu g(-1)) and excellent adsorption properties for the removal of as(iii) and as(iv) with significantly enhanced adsorption capacities of 54.18 mg g(-1) and 26.76 mg g(-1), respectively. these values a ... | 2015 | 25578030 |
| activation of schwann cells in vitro by magnetic nanocomposites via applied magnetic field. | schwann cells (scs) are attractive seed cells in neural tissue engineering, but their application is limited by attenuated biological activities and impaired functions with aging. therefore, it is important to explore an approach to enhance the viability and biological properties of scs. in the present study, a magnetic composite made of magnetically responsive magnetic nanoparticles (mnps) and a biodegradable chitosan-glycerophosphate polymer were prepared and characterized. it was further expl ... | 2015 | 25565803 |
| two types of bcr interactions are positively selected during leukemia development in the eμ-tcl1 transgenic mouse model of cll. | chronic lymphocytic leukemia (cll) is a common b-cell malignancy characterized by a highly variable course and outcome. the disease is believed to be driven by b-cell receptor (bcr) signals generated by external antigens and/or cell-autonomous bcr interactions, but direct in vivo evidence for this is still lacking. to further define the role of the bcr pathway in the development and progression of cll, we evaluated the capacity of different types of antigen/bcr interactions to induce leukemia in ... | 2015 | 25564405 |
| modulation of pparγ and tnfα by emu oil and glycyrrhizin in ulcerative colitis. | ulcerative colitis (uc) is an inflammatory bowel disorder that affects colon and rectum. treatments in many uc patients remain variably effective and are associated with considerable adverse effects. so the present study was undertaken to explore the antiinflammatory effects of emu oil, glycyrrhizin, and combination of emu oil and glycyrrhizin in acetic acid-induced uc in rats. uc was induced by intracolonic instillation of 5% acetic acid in rats. emu oil and glycyrrhizin were orally administere ... | 2015 | 25560991 |
| ontogenetic scaling patterns and functional anatomy of the pelvic limb musculature in emus (dromaius novaehollandiae). | emus (dromaius novaehollandiae) are exclusively terrestrial, bipedal and cursorial ratites with some similar biomechanical characteristics to humans. their growth rates are impressive, as their body mass increases eighty-fold from hatching to adulthood whilst maintaining the same mode of locomotion throughout life. these ontogenetic characteristics stimulate biomechanical questions about the strategies that allow emus to cope with their rapid growth and locomotion, which can be partly addressed ... | 2014 | 25551028 |
| structure, ontogeny and evolution of the patellar tendon in emus (dromaius novaehollandiae) and other palaeognath birds. | the patella (kneecap) exhibits multiple evolutionary origins in birds, mammals, and lizards, and is thought to increase the mechanical advantage of the knee extensor muscles. despite appreciable interest in the specialized anatomy and locomotion of palaeognathous birds (ratites and relatives), the structure, ontogeny and evolution of the patella in these species remains poorly characterized. within palaeognathae, the patella has been reported to be either present, absent, or fused with other bon ... | 2014 | 25551026 |
| three-dimensional anatomy of the ostrich (struthio camelus) knee joint. | the three-dimensional anatomy of the ostrich (struthio camelus) knee (femorotibial, femorofibular, and femoropatellar) joint has scarcely been studied, and could elucidate certain mechanobiological properties of sesamoid bones. the adult ostrich is unique in that it has double patellae, while another similar ratite bird, the emu, has none. understanding why these patellae form and what purpose they may serve is dually important for future studies on ratites as well as for understanding the mecha ... | 2014 | 25551024 |
| setd1a regulates progenitor b-cell-to-precursor b-cell development through histone h3 lysine 4 trimethylation and ig heavy-chain rearrangement. | setd1a is a member of trithorax-related histone methyltransferases that methylate lysine 4 at histone h3 (h3k4). we showed previously that setd1a is required for mesoderm specification and hematopoietic lineage differentiation in vitro. however, it remains unknown whether or not setd1a controls specific hematopoietic lineage commitment and differentiation during animal development. here, we reported that homozygous setd1a knockout (ko) mice are embryonic lethal. loss of the setd1a gene in the he ... | 2015 | 25550471 |
| dependency of magnetic microwave absorption on surface architecture of co20ni80 hierarchical structures studied by electron holography. | to design and fabricate rational surface architecture of individual particles is one of the key factors that affect their magnetic properties and microwave absorption capability, which is still a great challenge. herein, a series of co20ni80 hierarchical structures with different surface morphologies, including flower-, urchin-, ball-, and chain-like morphologies, were obtained using structure-directing templates via a facile one-step solvothermal treatment. the microwave reflection loss (rl) of ... | 2015 | 25515025 |
| removal of hg(ii) by poly(1-vinylimidazole)-grafted fe3o4@sio2 magnetic nanoparticles. | fe3o4@sio2 magnetic nanoparticles modified by grafting poly(1-vinylimidazole) oligomer (fspv) was fabricated as a novel adsorbent to remove hg(ii) from water. fourier transform infra-red spectroscopy confirmed the successful grafting of oligomer, and thermogravimetric analysis showed fspv had a high grafting yield with organic content of 22.8%. transmission electron microscopy image displayed that fspv particles were polymer-coated spheres with size of 10-20 nm. with saturation magnetization of ... | 2015 | 25497175 |
| optimization of zn(x)fe(3-x)o₄ hollow spheres for enhanced microwave attenuation. | we report here the composition optimization of zn(x)fe(3-x)o4 hollow nanospheres for enhancing microwave attenuation. zn(x)fe(3-x)o4 hollow nanospheres were synthesized through a simple solvothermal process. the maximum magnetization moment of 91.9 emu/g can be obtained at x = 0.6. the composite filled with zn0.6fe2.4o4 exhibited the bandwidth of 3.21-8.33 ghz for rl < -10 db and a maximum relative bandwidth (wp,max) of 88.6% at optimized thickness t0 = 0.34 cm. the enhancement should be attribu ... | 2014 | 25496607 |
| classical and nonclassical germanium environments in high-pressure bage5. | a new crystalline form of bage(5) was obtained at a pressure of 15(2) gpa in the temperature range from 1000(100) to 1200(120) k. single-crystal electron and powder x-ray diffraction patterns indicate a body-centered orthorhombic structure (space group imma, pearson notation oi24) with unit cell parameters a = 8.3421(8) å, b = 4.8728(5) å, and c = 13.7202(9) å. the crystal structure of hp-bage(5) consists of four-bonded ge atoms forming complex layers with ge-ge contacts between 2.560(6) and 2.6 ... | 2015 | 25495634 |
| efficient reduction and ph co-triggered dox-loaded magnetic nanogel carrier using disulfide crosslinking. | to reduce leakage on the drug-delivery pathway to minimize side effect of reduction or ph sensitive drug delivery systems, we designed a glutathione (gsh)/ph co-triggered magnetic nanogel drug delivery system for doxorubicin (dox) based on the gsh concentration and ph difference between intracellular and extracellular environments. the introduction of superparamagnetic iron oxide nanoparticles (spion) was intended for magnetic targeting. the magnetic dox-loaded nanogel was then prepared by the o ... | 2015 | 25491958 |
| synthesis, characterization and biomedical application of multifunctional luminomagnetic core-shell nanoparticles. | it has been well-established that nanomaterials provide a robust framework into which two or more functional moieties can be integrated to offer multifunctional and synergetic applications. we report here the facile synthesis and systematical investigation of the luminomagnetic core-shell nanoparticles (nps) with the magnetic fe3o4 core coated with a silica shell incorporating fluorescent [ru(bpy)3](2+). the luminomagnetic nps were monodisperse and spherical in shape with a diameter of 60±10 nm. ... | 2015 | 25491957 |
| cxcr5-mediated shaping of the lymphoid follicle in chronic lymphocytic leukemia. | heinig and colleagues, using the eμ-tcl1 mouse model of chronic lymphocytic leukemia (cll), shed light on the trafficking routes of cll cells into the protective microenvironmental niches in secondary lymphoid organs. the authors propose a crucial role of the resident follicular dendritic cells for leukemia pathogenesis that is essentially orchestrated by the chemokine receptor cxcr5. | 2014 | 25477106 |
| on-chip magnetometer for characterization of superparamagnetic nanoparticles. | an on-chip magnetometer was fabricated by integrating a planar hall magnetoresistive (phr) sensor with microfluidic channels. the measured in-plane field sensitivities of an integrated phr sensor with nife/cu/irmn trilayer structure were extremely high at 8.5 μv oe(-1). the phr signals were monitored during the oscillation of 35 pl droplets of magnetic nanoparticles, and reversed profiles for the positive and negative z-fields were measured, where magnitudes increased with the applied z-field st ... | 2015 | 25474348 |
| regulatory modulation of the t-box gene tbx5 links development, evolution, and adaptation of the sternum. | the sternum bone lies at the ventral midline of the thorax where it provides a critical attachment for the pectoral muscles that allow the forelimbs to raise the body from the ground. among tetrapods, sternum morphology is correlated with the mode of locomotion: avians that fly have a ventral extension, or keel, on their sterna, which provides an increased area for flight muscle attachment. the sternum is fused with the ribs attaching on either side; however, unlike the ribs, the sternal precurs ... | 2014 | 25468972 |
| efficient photocatalytic degradation of acid fuchsin in aqueous solution using separate porous tetragonal-cufe2o4 nanotubes. | to develop a new promising magnetic photocatalyst, homogeneous tetragonal-cufe2o4 (t-cufe2o4) nanotubes were successfully synthesized via the electrospinning technique followed by heating treatment. the detailed investigation of chemical phase and microstructure reveals that the obtained samples are inversely spinel cufe2o4 nanotubes with an average diameter of about 272±2nm, which are assembled by numerous cufe2o4 single crystal nanoparticles with regular polyhedron structure and possess a very ... | 2015 | 25463230 |
| performance of magnetic activated carbon composite as peroxymonosulfate activator and regenerable adsorbent via sulfate radical-mediated oxidation processes. | magnetic activated carbon composite (cufe2o4/ac, macc) was prepared by a co-precipitation-calcination method. the macc consisted of porous micro-particle morphology with homogeneously distributed cufe2o4 and possessed high magnetic saturation moment (8.1 emu g(-1)). the performance of macc was evaluated as catalyst and regenerable adsorbent via peroxymonosulfate (pms, oxone(®)) activation for methylene blue (mb) removal. optimum cufe2o4/ac w/w ratio was 1:1.5 giving excellent performance and can ... | 2015 | 25463211 |
| the influence of staffing on diagnostic yield of emu admissions: a comparison study between two institutions. | patients with recurrent, stereotyped neurological events of unclear etiology often warrant admission for continuous video-eeg monitoring in an epilepsy monitoring unit (emu) for diagnosis. epilepsy monitoring unit admission duration has been reported to range from days to weeks. to date, there are limited data on the average duration of admission for patients admitted to the emu for spell classification. many emus are forced to limit the overall duration of admission for numerous reasons includi ... | 2014 | 25461227 |
| review on emu products for use as complementary and alternative medicine. | emu (dromaius novaehallandiae), the flightless bird native to australia and found in many countries, is receiving much attention for its nutritional benefits as well as its medicinal value. emu oil contains high amounts of polyunsaturated fatty acids and antioxidants. it has potent anti-inflammatory actions and thus can be used topically and orally to treat conditions such as mucositis, inflammatory bowel syndrome, and auricular inflammation, and to prevent chemotherapy-induced bone loss. emu oi ... | 2015 | 25441585 |
| re. "review on emu products for use as complementary and alternative medicine". | | 2015 | 25441582 |
| barium ferrite decorated reduced graphene oxide nanocomposite for effective electromagnetic interference shielding. | there is an increased interest in the development of high performance microwave shielding materials against electromagnetic pollution in recent years. barium ferrite decorated reduced graphene oxide (bafe12o19@rgo) nanocomposite was synthesized by a high energy ball milling technique and its electromagnetic properties were investigated in the frequency range of 12.4-18 ghz (ku band). the results showed that barium ferrite (bafe12o19) nanoparticles with an average particle size of 20-30 nm were w ... | 2015 | 25437769 |
| activation and enhancement of room-temperature ferromagnetism in cu-doped anatase tio₂ films by bound magnetic polaron and oxygen defects. | cu-doped anatase tio2 films grown by magnetron sputtering at room temperature showed the unexpected observation of room-temperature ferromagnetism, which was enhanced or destroyed corresponding to low or high impurity concentration via vacuum annealing. on the basis of the analysis of composition and structure, the most important factor for activating ferromagnetism can be identified as the creation of grain boundary defects. in addition, oxygen defects can be the dominating factor for increasin ... | 2014 | 25437752 |
| disruption of the prkcd-fbxo25-hax-1 axis attenuates the apoptotic response and drives lymphomagenesis. | we searched for genetic alterations in human b cell lymphoma that affect the ubiquitin-proteasome system. this approach identified fbxo25 within a minimal common region of frequent deletion in mantle cell lymphoma (mcl). fbxo25 encodes an orphan f-box protein that determines the substrate specificity of the scf (skp1-cul1-f-box)(fbxo25) ubiquitin ligase complex. an unbiased screen uncovered the prosurvival protein hcls1-associated protein x-1 (hax-1) as the bona fide substrate of fbxo25 that is ... | 2014 | 25419709 |
| a perimetric test procedure that uses structural information. | to develop a perimetric test strategy, structure estimation of minimum uncertainty (semu), that uses structural information to drive stimulus choices. | 2015 | 25415282 |
| insertion of an imprinted insulator into the igh locus reveals developmentally regulated, transcription-dependent control of v(d)j recombination. | the assembly of antigen receptor loci requires a developmentally regulated and lineage-specific recombination between variable (v), diversity (d), and joining (j) segments through v(d)j recombination. the process is regulated by accessibility control elements, including promoters, insulators, and enhancers. the igh locus undergoes two recombination steps, d-j(h) and then v(h)-dj(h), but it is unclear how the availability of the dj(h) substrate could influence the subsequent v(h)-dj(h) recombinat ... | 2015 | 25403489 |
| csn6 drives carcinogenesis by positively regulating myc stability. | cullin-ring ubiquitin ligases (crls) are critical in ubiquitinating myc, while cop9 signalosome (csn) controls neddylation of cullin in crl. the mechanistic link between cullin neddylation and myc ubiquitination/degradation is unclear. here we show that myc is a target of the csn subunit 6 (csn6)-cullin signalling axis and that csn6 is a positive regulator of myc. csn6 enhanced neddylation of cullin-1 and facilitated autoubiquitination/degradation of fbxw7, a component of crl involved in myc ubi ... | 2014 | 25395170 |
| poly(vinylidene fluoride)-based flexible and lightweight materials for attenuating microwave radiations. | two unique materials were developed, like graphene oxide (go) sheets covalently grafted on to barium titanate (bt) nanoparticles and cobalt nanowires (co-nws), to attenuate the electromagnetic (em) radiations in poly(vinylidene fluoride) (pvdf)-based composites. the rationale behind using either a ferroelectric or a ferromagnetic material in combination with intrinsically conducting nanoparticles (multiwall carbon nanotubes, cnts), is to induce both electrical and magnetic dipoles in the system. ... | 2014 | 25383935 |
| morphological features of herbst corpuscles in the oropharynx of the ostrich (struthio camelus) and emu (dromaius novaehollandiae). | the distribution of herbst corpuscles in the oropharynx of the ostrich and emu has recently been documented. however, although the morphology of these mechanoreceptors is well known in neognathous birds, little structural information is available on the herbst corpuscles of ratites. tissue sections from those regions of the oropharynx known to possess a high concentration of herbst corpuscles were sampled from ostrich and emu heads collected after slaughter and prepared for light and transmissio ... | 2015 | 25382625 |
| evaluating midwifery units (emu): a prospective cohort study of freestanding midwifery units in new south wales, australia. | to compare maternal and neonatal birth outcomes and morbidities associated with the intention to give birth in two freestanding midwifery units and two tertiary-level maternity units in new south wales, australia. | 2014 | 25361840 |
| utilization of the eμ-myc mouse to model heterogeneity of therapeutic response. | human aggressive b-cell non-hodgkin lymphomas (nhl) encompass the continuum between burkitt lymphoma and diffuse large b-cell lymphoma (dlbcl), and display considerable clinical and biologic heterogeneity, most notably related to therapy response. we previously showed that lymphomas arising in the eμ-myc transgenic mouse are heterogeneous, mirroring genomic differences between burkitt lymphoma and dlbcl. given clinical heterogeneity in nhl and the need to develop strategies to match therapeutics ... | 2014 | 25349303 |
| an inherited immunoglobulin class-switch recombination deficiency associated with a defect in the ino80 chromatin remodeling complex. | immunoglobulin class-switch recombination defects (csr-d) are rare primary immunodeficiencies characterized by impaired production of switched immunoglobulin isotypes and normal or elevated igm levels. they are caused by impaired t:b cooperation or intrinsic b cell defects. however, many immunoglobulin csr-ds are still undefined at the molecular level. | 2015 | 25312759 |
| bactericidal properties and biocompatibility of a gentamicin-loaded fe3o4/carbonated hydroxyapatite coating. | postoperative implant-associated infection remains a serious complication in total joint arthroplasty (tja) surgery. the addition of antibiotics to bone cement is used as an antimicrobial prophylaxis in cemented joint arthroplasty; however, in cementless arthroplasty, there are no comparable measures for the local delivery of antibiotics. in this study, a gentamicin-loaded fe3o4/carbonated hydroxyapatite coating (gent-mchc) was fabricated according to the following steps: (i) deposition of fe3o4 ... | 2014 | 25306864 |
| the study of structural properties of carbon nanotubes decorated with nife₂o₄ nanoparticles and application of nano-composite thin film as h₂s gas sensor. | nano-composite of multiwall carbon nanotube, decorated with nife2o4 nanoparticles (nife2o4-mwcnt), was synthesized using the sol-gel method. nife2o4-mwcnts were characterized using different methods such as x-ray diffraction (xrd), field emission scanning electron microscopy (fesem), high resolution transmission electron microscopy (hrtem), atomic force microscopy (afm) and vibrating sample magnetometer (vsm). the average size of the crystallites is 23.93 nm. the values of the saturation magneti ... | 2014 | 25280723 |
| a new vetulicolian from australia and its bearing on the chordate affinities of an enigmatic cambrian group. | vetulicolians are one of the most problematic and controversial cambrian fossil groups, having been considered as arthropods, chordates, kinorhynchs, or their own phylum. mounting evidence suggests that vetulicolians are deuterostomes, but affinities to crown-group phyla are unresolved. | 2014 | 25273382 |
| phase transformation-induced tetragonal feco nanostructures. | tetragonal feco nanostructures are becoming particularly attractive because of their high magnetocrystalline anisotropy and magnetization achievable without rare-earth elements, . yet, controlling their metastable structure, size and stoichiometry is a challenging task. in this study, we demonstrate aucu templated feco shell growth followed by thermally induced phase transformation of aucu core from face-centered cubic to l10 structure, which triggers the feco shell to transform from the body-ce ... | 2014 | 25268222 |
| dendritic cell-mediated survival signals in eμ-myc b-cell lymphoma depend on the transcription factor c/ebpβ. | the capacity of dendritic cells (dcs) to regulate tumour-specific adaptive immune responses depends on their proper differentiation and homing status. whereas dc-associated tumour-promoting functions are linked to t-cell tolerance and formation of an inflammatory milieu, dc-mediated direct effects on tumour growth have remained unexplored. here we show that deletion of dcs substantially delays progression of myc-driven lymphomas. lymphoma-exposed dcs upregulate immunomodulatory cytokines, growth ... | 2014 | 25266931 |
| preparation of magnetic graphene composites with hierarchical structure for selective capture of phosphopeptides. | a novel graphene composite affinity material consisting of graphene scaffold, fe3o4 nanoparticles for actuation and fully covered porous titania nanostructures as affinity coating has been designed and constructed. the obtained magnetic graphene composites have a saturation magnetization (ms) value of 7.3 emu g(-1), a bet specific surface area of 111.8 m(2) g(-1) and an average pore size of 15.1 nm for the porous affinity coating. the multifunctional graphene composites can realize the selective ... | 2014 | 25264490 |
| exchange-coupled fct-fepd/α-fe nanocomposite magnets converted from pd/fe3o4 core/shell nanoparticles. | we report the controlled synthesis of exchange-coupled face-centered tetragonal (fct) fepd/α-fe nanocomposite magnets with variable fe concentration. the composite was converted from pd/fe3o4 core/shell nanoparticles through a high-temperature annealing process in a reducing atmosphere. the shell thickness of core/shell pd/fe3o4 nanoparticles could be readily tuned, and subsequently the concentration of fe in nanocomposite magnets was controlled. upon annealing reduction, the hard magnetic fct-f ... | 2014 | 25255788 |
| a morphological classification of sperm defects in the ostrich (struthio camelus). | commercial ostrich farming is constrained by the absence of a formal animal recording and evaluation scheme as well as by current farming practices. artificial insemination may have an important role in overcoming these limitations, but requires a thorough knowledge of sperm morphology. although the morphological characteristics of normal ostrich sperm have been documented, little information is available on the incidence and structural peculiarities of defective sperm in this species. semen sme ... | 2014 | 25255781 |
| novel fluorite structured superparamagnetic rbgdf₄ nanocrystals as versatile upconversion host. | fluorite structured nanocrystals of rbgdf4 in cubic symmetry have successfully been synthesized by employing a simple, one-step, and template-free wet chemical method at room temperature. considering the structural model of cubic klaf4 in the fm̅3m space group, the observed powder x-ray diffraction (pxrd) pattern was fitted by the le bail procedure with the cubic lattice constant of a = 5.8244 (1) å. both high-resolution transmission electron microscopic (hr-tem) and dynamic light scattering (dl ... | 2014 | 25255237 |
| ultra-long magnetic nanochains for highly efficient arsenic removal from water. | the contamination of drinking water with naturally occurring arsenic is a global health threat. filters that are packed with adsorbent media with a high affinity for arsenic have been used to de-contaminate water - generally iron or aluminium oxides are favored materials. recently, nanoparticles have been introduced as adsorbent media due to their superior efficiency compared to their bulk counter-parts. an efficient nanoadsorbent should ideally possess high surface area, be easy to synthesize, ... | 2014 | 25254112 |
| access to follicular dendritic cells is a pivotal step in murine chronic lymphocytic leukemia b-cell activation and proliferation. | in human chronic lymphocytic leukemia (cll) pathogenesis, b-cell antigen receptor signaling seems important for leukemia b-cell ontogeny, whereas the microenvironment influences b-cell activation, tumor cell lodging, and provision of antigenic stimuli. using the murine eμ-tcl1 cll model, we demonstrate that cxcr5-controlled access to follicular dendritic cells confers proliferative stimuli to leukemia b cells. intravital imaging revealed a marginal zone b cell-like leukemia cell trafficking rout ... | 2014 | 25252690 |
| chemical "top-down" synthesis of amphiphilic superparamagnetic fe3o4 nanobelts from exfoliated feocl layers. | a novel chemical "top-down" method has been employed to prepare tiny fe3o4 nanobelts. uniform fe3o4 nanobelts were obtained by solvothermal reduction of exfoliated feocl layers with the assistance of high polar solvents and a peo-ppo-peo stabilizer. we also studied the superparamagnetic properties of fe3o4 nanobelts, which exhibit a magnetic saturation value as high as ∼53 emu g(-1) at room temperature and a magnetic anisotropy constant up to 6.6 × 10(4) erg cm(-3). furthermore the as-obtained p ... | 2014 | 25251637 |
| ferromagnetism and optical properties of la1 - x al x feo3 nanopowders. | la1 - x al x feo3 (x = 0.0, 0.05, 0.1, 0.2, 0.3, 0.4, and 0.5) nanopowders were prepared by polymerization complex method. all prepared samples were characterized by x-ray diffraction (xrd), scanning electron microscopy (sem), transmission electron microscopy (tem), fourier transform infrared spectroscopy (ft-ir), and uv-vis spectrophotometry (uv-vis). the magnetic properties were investigated using a vibrating sample magnetometer (vsm). the x-ray results of all samples show the formation of an ... | 2014 | 25246876 |
| microbeads and hollow microcapsules obtained by self-assembly of pickering magneto-responsive cellulose nanocrystals. | cellulose microbeads can be used as immobilization supports. we report on the design and preparation of magneto-responsive cellulose microbeads and microcapsules by self-assembled shells of cellulose nanocrystals (cnc) carrying magnetic cofe2o4 nanoparticles, that is, a mixture of isotropic and anisotropic nanomaterials. the magnetic cncs formed a structured layer, a mesh, consisting of cncs and magnetic particles bound together on the surface of distinct droplets of hexadecane and styrene dispe ... | 2014 | 25219282 |
| magnetic nanoparticles-loaded pla/peg microspheres as drug carriers. | surface-modified magnetite (fe3 o4 ) nanoparticles with an average size of 22 nm were prepared. the nanoparticles had a saturation magnetization of 50.7 emu g(-1) . then magnetite and drug-loaded microspheres of poly (lactic acid)/poly (ethylene glycol) were prepared at various compositions. the microspheres were spherical in shape and had smooth surface. the diameter size of the microspheres ranged between about 0.2 and 4 μm. doxorubicin hydrochloride for cancer treatment was the drug that load ... | 2015 | 25203941 |
| isospora dromaii n. sp. (apicomplexa, eimeriidae) isolated from emus, dromaius novaehollandiae (casuariiformes, casuariidae). | a new species of coccidia (protozoa: apicomplexa: eimeriidae) isolated from emus, dromaius novaehollandiae, which was observed in brazil is described and named. oocysts of isospora dromaii n. sp. are subspheroidal to ovoid in shape, measure 21.6 × 19.8 μm, and have a double and smooth wall thickness of approximately 1.4 μm. in this species, micropyle, oocyst residuum, and polar granules are absent. the sporocysts are slightly ovoid in shape and measure 13.7 × 10.0 μm. nipple-like stieda body and ... | 2014 | 25195056 |
| [study of animal model of osteonecrosis induced by local ethanol injection in emu]. | to establish a new animal model of osteonecrosis of the femoral head by local ethanol injection in emu. | 2014 | 25176202 |
| highly magnetic nanoporous carbon/iron-oxide hybrid materials. | the preparation of size-controllable fe2o3 nanoparticles grown in nanoporous carbon with tuneable pore diameters is reported. these hybrid materials exhibit strong non-linear magnetic properties and a magnetic moment of approximately 229 emu g(-1), which is the highest value ever reported for nanoporous hybrids, and can be attributed to the nanosieve effect and the strong interaction between the nanoparticles and the carbon walls. | 2014 | 25157841 |