Publications
| Title | Abstract | Year(sorted descending) Filter | PMID Filter |
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| 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 |
| new insight on optical and magnetic fe3o4 nanoclusters promising for near infrared theranostic applications. | extensive efforts have been devoted to the development of a new biophotonic system using near infrared (nir) nano-agents for non-invasive cancer diagnosis and therapy. here, we developed a simple synthesis reaction of ligands, hydrazine, and iron(ii) chloride to fabricate fe3o4 cluster-structured nanoparticles (cnps) with interesting nir photonics and high magnetization (ms: 98.3 emu g(-1) and proton relaxivity r2: 234.6 mm(-1) s(-1)). these fe3o4 cnps exhibited optical absorption and reflection ... | 2015 | 26151814 |
| growth mechanism and electrical and magnetic properties of ag-fe₃o₄ core-shell nanowires. | one-dimensional ag-fe3o4 core-shell heteronanowires have been synthesized by a facile and effective coprecipitation method, in which silver nanowires (agnws) were used as the nucleation site for growth of fe3o4 in aqueous solution. the size and morphology control of the core-shell nanowires were achieved by simple adjustments of reaction conditions including fecl3/fecl2 concentration, poly(vinylpyrrolidone) (pvp) concentration, reaction temperature, and time. it was found that the fe3o4 shell th ... | 2015 | 26151331 |
| synthesis of magnetic metal-organic framework (mof) for efficient removal of organic dyes from water. | a novel, simple and efficient strategy for fabricating a magnetic metal-organic framework (mof) as sorbent to remove organic compounds from simulated water samples is presented and tested for removal of methylene blue (mb) as an example. the novel adsorbents combine advantages of mofs and magnetic nanoparticles and possess large capacity, low cost, rapid removal and easy separation of the solid phase, which makes it an excellent sorbent for treatment of wastewaters. the resulting magnetic mofs c ... | 2015 | 26149818 |
| comparative methane emission by ratites: differences in food intake and digesta retention level out methane production. | ratites differ in the anatomy of their digestive organs and their digesta excretion patterns. ostriches (struthio camelus) have large fermentation chambers and long digesta retention, emus (dromaius novaehollandiae) have a short gut and short retention times, and rheas (rhea americana) are intermediate. a recent study showed that ostriches produce as much methane (ch4) as expected for a similar-sized, non-ruminant mammalian herbivore. we hypothesized that emus and rheas produce less ch4 than ost ... | 2015 | 26123777 |
| enhanced red upconversion emission, magnetoluminescent behavior, and bioimaging application of nasc0.75er0.02yb0.18gd0.05f4@aunps nanoparticles. | the present study reports significant enhancement in the red upconversion emission of er(3+) in nasc0.8er0.02yb0.18f4 upconversion nanoparticles (ucnps), via a two step process, (i) codoping of gd(3+) ion at sc(3+) site and (ii) attaching gold nanoparticles (aunps) at the surface of these codoped nanostructures, and further probes the use of these gd:ucnps@aunps for bioimaging application. the gd(3+) codoping tailors the particle size (reduces) of ucnps and bring out er(3+)-yb(3+) ion pair in cl ... | 2015 | 26121066 |
| lanthanide sorbent based on magnetite nanoparticles functionalized with organophosphorus extractants. | in this work, an adsorbent was prepared based on the attachment of organophosphorus acid extractants, namely, d2ehpa, cyanex 272, and cyanex 301, to the surface of superparamagnetic magnetite (fe3o4) nanoparticles. the synthesized nanoparticles were coated with oleic acid, first by a chemisorption mechanism and later by the respective extractant via physical adsorption. the obtained core-shell functionalized magnetite nanoparticle composites were characterized by dynamic light scattering, scanni ... | 2015 | 27877811 |
| commissioning and quality assurance of dynamic wavearc irradiation. | a novel three-dimensional unicursal irradiation technique "dynamic wavearc" (dwa), which employs simultaneous and continuous gantry and o-ring rotation during dose delivery, has been implemented in vero4drt. the purposes of this study were to develop a commissioning and quality assurance procedure for dwa irradiation, and to assess the accuracy of the mechanical motion and dosimetric control of vero4drt. to determine the mechanical accuracy and the dose accuracy with dwa irradiation, 21 verifica ... | 2015 | 26103177 |
| enhanced saturation magnetization in buckypaper-films of thin walled carbon nanostructures filled with fe3c, feco, feni, coni, co and ni crystals: the key role of cl. | we report an advanced chemical vapour deposition approach which allows the direct in situ synthesis of cm-length ultrathin buckypapers comprising carbon nanostructures filled with fe3c, feco, feni, coni, co and ni by sublimation and pyrolysis of single or combined metallocenes with very low quantities of dichlorobenzene. as a result, extremely high saturation magnetizations of 117 emu g(-1), 90 emu g(-1) and 80 emu g(-1) are obtained for the specific cases of fe3c, feco and feni, respectively, w ... | 2015 | 26102508 |
| visualizing myocardial inflammation in a rat model of type 4 cardiorenal syndrome by dual-modality molecular imaging. | type 4 cardiorenal syndrome (crs) is a life-threatening world health problem in which chronic kidney disease leads to progressive cardiovascular disease. in type 4 crs, cardiac inflammation is an excellent target for both detection and therapy; however, this progression was underestimated by previous studies due to the lack of effective detection methods. to noninvasively visualize cardiac inflammation and monitor therapeutic efficacy of anti-inflammatory treatment in type 4 crs, we here synthes ... | 2015 | 26264647 |
| adsorption removal of environmental hormones of dimethyl phthalate using novel magnetic adsorbent. | magnetic polyvinyl alcohol adsorbent m-pval was employed to remove and concentrate dimethyl phthalate dmp. the m-pval was prepared after sequential syntheses of magnetic fe3o4 (m) and polyvinyl acetate (m-pvac). the saturated magnetizations of m, m-pvac, and m-pval are 57.2, 26.0, and 43.2 emu g(-1) with superparamagnetism, respectively. the average size of m-pval by number is 0.75 μm in micro size. adsorption experiments include three cases: (1) adjustment of initial ph (ph0) of solution to 5, ... | 2015 | 26258169 |
| [considerations and recommondations for species-appropriate and welfare friendly keeping of ratitae in germany]. | ostrich farming and keeping in germany is of increasing interest. ostrich farming includes keeping the animals as agricultural livestock (production of meat, leather, eggs), for display, hobby farming and keeping in zoological collections. based on scientific research there is a steady increase in knowledge of keeping ratites according to sophisticated standards in terms of animal welfare legislation. legislation and recommondations for keeping of ratitae are described. | 2015 | 26235357 |
| search for a heavy neutral particle decaying to eμ, eτ, or μτ in pp collisions at sqrt[s]=8 tev with the atlas detector. | this letter presents a search for a heavy neutral particle decaying into an opposite-sign different-flavor dilepton pair, e^{±}μ^{∓}, e^{±}τ^{∓}, or μ^{±}τ^{∓} using 20.3 fb^{-1} of pp collision data at sqrt[s]=8 tev collected by the atlas detector at the lhc. the numbers of observed candidate events are compatible with the standard model expectations. limits are set on the cross section of new phenomena in two scenarios: the production of ν[over ˜]_{τ} in r-parity-violating supersymmetric mod ... | 2015 | 26230783 |
| the number of seizures needed in the emu. | the purpose of this study was to develop a quantitative framework to estimate the likelihood of multifocal epilepsy based on the number of unifocal seizures observed in the epilepsy monitoring unit (emu). | 2015 | 26222350 |
| efficient removal of crystal violet using fe3o4-coated biochar: the role of the fe3o4 nanoparticles and modeling study their adsorption behavior. | biochar shows great promise for use in adsorbing pollutants. however, a process for enhancing its adsorption capacity and re-collection efficiency is yet to be further developed. hence, in this study, we developed a type of biochar coated with magnetic fe3o4 nanoparticles (i.e., magnetic biochar (mbc)) and assessed its use for crystal violet (cv) adsorption as well as its recycling potential. the coating of fe3o4 nanoparticles, which was not only on the surface, but also in the interior of bioch ... | 2015 | 26220603 |
| bafe12o19-chitosan schiff-base ag (i) complexes embedded in carbon nanotube networks for high-performance electromagnetic materials. | the multiwalled carbon nanotubes/bafe12o19-chitosan (mcnts/bf-cs) schiff base ag (i) complex composites were synthesized successfully by a chemical bonding method. the morphology and structures of the composites were characterized with electron microscopy, fourier transform infrared spectroscopy and x-ray diffraction techniques. their conductive properties were measured using a four-probe conductivity tester at room temperature, and their magnetic properties were tested by a vibrating sample mag ... | 2015 | 26218269 |
| fabrication of flexible and self-standing inorganic-organic three phase magneto-dielectric pvdf based multiferroic nanocomposite films through a small loading of graphene oxide (go) and fe3o4 nanoparticles. | flexible inorganic-organic magneto-electric (me) nanocomposite films (pvdf, pvdf-go, pvdf-fe3o4 and pvdf-go-fe3o4), composed of well-dispersed graphene oxide (go 5 wt%) and magnetic fe3o4 nanoparticles (5 wt%) embedded into a poly(vinylidene-fluoride) (pvdf) matrix, have been prepared by a solvent casting route. the magnetic, ferroelectric, dielectric, magneto-dielectric (md) coupling and structural properties of these films have been systematically investigated. magnetic (ms = 2.21 emu g(-1)) a ... | 2015 | 26274764 |
| a prospective, multicenter study of cardiac-based seizure detection to activate vagus nerve stimulation. | this study investigates the performance of a cardiac-based seizure detection algorithm (cbsda) that automatically triggers vns (nct01325623). | 2015 | 26552564 |
| high-strength single-walled carbon nanotube/permalloy nanoparticle/poly(vinyl alcohol) multifunctional nanocomposite fiber. | magnetic nanocomposite fibers are a topic of intense research due to their potential breakthrough applications such as smart magnetic-field-response devices and electromagnetic interference (emi) shielding. however, clustering of nanoparticles in a polymer matrix is a recognized challenge for obtaining a property-controllable nanocomposite fiber. another challenge is that the strength and ductility of the nanocomposite fiber decrease significantly with increased weight loading of magnetic nanopa ... | 2015 | 26431310 |
| synthesis of magnetic mesoporous titania colloidal crystals through evaporation induced self-assembly in emulsion as effective and recyclable photocatalysts. | this study illustrates the directed self-assembly of mesoporous tio2 with magnetic properties due to its colloidal crystal structure with fe3o4. the fe3o4 nanoparticles were synthesized using co-precipitation techniques to a size of 28.2 nm and a magnetic saturation of 66.9 emu g(-1). meanwhile, mesoporous titania nanoparticles (mtns) with a particle diameter of 373 nm, a specific surface area of 236.3 m(2) g(-1), and a pore size of 2.8 nm were prepared by controlling the rate of hydrolysis. mag ... | 2015 | 26428279 |
| the effect of oleic acid on the synthesis of fe(3-x)o4 nanoparticles over a wide size range. | this work reports on the effect of the oleic acid concentration on the magnetic and structural properties of fe3-xo4 nanoparticles synthesized by thermal decomposition of fe(acac)3 in benzyl-ether. this method allows the synthesis of highly monodisperse particles ranging from 7 to 100 nm in size by only varying the concentration of oleic acid in the reaction mixture. the structural and magnetic characterization reveal homogeneous particles in composition, with narrow particle size distribution, ... | 2015 | 26419530 |
| trifunctional polymeric nanocomposites incorporated with fe₃o₄/iodine-containing rare earth complex for computed x-ray tomography, magnetic resonance, and optical imaging. | in this study, a novel polymerizable ct contrast agent integrating iodine with europium(iii) has been developed by a facile and universal coordination chemistry method. the fe3o4 nanoparticles are then incorporated into this iodine-containing europium complex by seed-emulsifier-free polymerization. the nanocomposites combining the difunctional complex and superparamagnetic fe3o4 nanoparticles, which have uniform size dispersion and high encapsulation rate, are suitable for computed x-ray tomogra ... | 2015 | 26484385 |
| width-controlled m-type hexagonal strontium ferrite (srfe12o19) nanoribbons with high saturation magnetization and superior coercivity synthesized by electrospinning. | width-controlled m-type hexagonal srfe12o19 nanoribbons were synthesized for the first time via polyvinylpyrrolidone (pvp) sol assisted electrospinning followed by heat treatment in air, and their chemical composition, microstructure and magnetic performance were investigated. results demonstrated that as-obtained srfe12o19 nanoribbons were well-crystallized with high purity. each nanoribbon was self-assembled by abundant single-domain srfe12o19 nanoparticles and was consecutive on structure and ... | 2015 | 26462750 |
| expression and activity of eif6 trigger malignant pleural mesothelioma growth in vivo. | eif6 is an antiassociation factor that regulates the availability of active 80s. its activation is driven by the rack1/pkcβ axis, in a mtorc1 independent manner. we previously described that eif6 haploinsufficiency causes a striking survival in the eμ-myc mouse lymphoma model, with lifespans extended up to 18 months. here we screen for eif6 expression in human cancers. we show that malignant pleural mesothelioma tumors (mpm) and a mpm cell line (ren cells) contain high levels of hyperphosphoryla ... | 2015 | 26462016 |
| doxorubicin-conjugated β-nayf4:gd(3+)/tb(3+) multifunctional, phosphor nanorods: a multi-modal, luminescent, magnetic probe for simultaneous optical and magnetic resonance imaging and an excellent ph-triggered anti-cancer drug delivery nanovehicle. | herein, we report the fabrication of a multifunctional nanoprobe based on highly monodispersed, optically and magnetically active, biocompatible, pei-functionalized, highly crystalline β-nayf4:gd(3+)/tb(3+) nanorods as an excellent multi-modal optical/magnetic imaging tool and a ph-triggered intracellular drug delivery nanovehicle. the static and dynamic photoluminescence spectroscopy showed the presence of sharp emission peaks, with long lifetimes (∼3.5 milliseconds), suitable for optical imagi ... | 2015 | 26538278 |
| cd1d regulates b cell development but not b cell accumulation and il10 production in mice with pathologic cd5(+) b cell expansion. | cd1d is a widely expressed lipid antigen presenting molecule required for cd1d-restricted invariant natural killer t (inkt) cell development. elevated cd1d expression is detected in cd5(+) il10-producing b cells, called b10 b cells, and is correlated with poorer prognosis in chronic lymphocytic leukemia (cll), a cd5(+) b cell malignancy with b10-like functional properties. whether cd1d expression regulates cd5(+) b cell accumulation, il10 competence, and antibody production in naïve mice with pa ... | 2015 | 26537916 |
| personalities of patients with nonepileptic psychogenic status. | the purposes of this study were to determine whether personalities of patients with nonepileptic psychogenic status (neps) are different from those of patients with typical intermittent psychogenic nonepileptic seizures (ipnes) using the personality assessment inventory (pai) and to compare their pai profiles with the population norms. we hypothesized that patients with neps have more psychopathology compared with patients with ipnes and that, as a group, patients with pnes (ipnes+neps) would ha ... | 2015 | 26414344 |
| temperature and magnetic field-assisted switching of magnetization and observation of exchange bias in ybcro3 nanocrystals. | in this paper, we demonstrate an interesting feature in ybcro3 (yco) nanocrystals, in which the material shows temperature and external magnetic field-assisted switching (a complete sign reversal) of zero field cooled magnetization (mzfc) and observation of exchange bias (eb) as a result of competing spin interaction at low temperature. this feature can be applied in nonvolatile memories, where, simply by changing the magnitude of the hext and t, the polarity of the magnetization can be switched ... | 2015 | 26389561 |
| synthesis and assembly of barium-doped iron oxide nanoparticles and nanomagnets. | a facile organic-phase synthesis of monodisperse barium-doped iron oxide (ba-fe-o) nanoparticles (nps) is reported. the ba-fe-o nps can be converted into hexagonal barium ferrite nps at 700 °c, showing strong ferromagnetic properties with h(c) reaching 5260 oe and m(s) at 54 emu g(-1). moreover, the ba-fe-o nps can be assembled into densely packed magnetic arrays, providing a unique model system for studying nanomagnetism and for nanomagnetic applications. | 2015 | 26377439 |
| preparation of phenyl-functionalized magnetic mesoporous silica microspheres for the fast separation and selective enrichment of phenyl-containing peptides. | peptide enrichment before mass spectrometry analysis is essential for large-scale peptidomic studies, but challenges still remain. herein, magnetic mesoporous silica microspheres with phenyl group modified interior pore walls were prepared by a facile sol-gel coating strategy, and were successfully applied for selective enrichment of phenyl-containing peptides in complex biological samples. the newly prepared nanomaterials possessed abundant silanol groups in the exterior surface and numerous ph ... | 2015 | 26377040 |
| assembly of maghemite nanoparticles into particulate nanosheets and their application in wastewater treatment. | the maghemite particulate nanosheets (mpns) are prepared in solvothermal system by connecting the nanoparticles in two-dimension. the interconnected mpns sustain a mesopores structure with a high accessible surface area of 164 m2/g, and have a high performance for cr6+ adsorption. the cr6+ removal process fit with langmuir adsorption model with an adsorption capacity of 20.41 mg/g. the purified solution could reach a residual concentration of 0.002 mg/l for mpns, which is much less than the conc ... | 2015 | 26373148 |
| a simple combustion synthesis and optical studies of magnetic zn1-xni(x)fe2o4 nanostructures for photoelectrochemical applications. | ni-doped znfe2o4 (ni(x)zn1-x,fe2o4; x = 0.0 to 0.5) nanoparticles were synthesized by simple microwave combustion method. the x-ray diffraction (xrd) confirms that all compositions crystallize with cubic spinel znfe2o4. the lattice parameter decreases with increase in ni content resulting in the reduction of lattice strain. high resolution scanning electron microscope (hr-sem) and transmission electron microscope (hr-tem) images revealed that the as-prepared samples are crystalline with particle ... | 2015 | 26373061 |
| self-assemblies of acicular hollow fe/c nanostructures. | self-assemblies of acicular hollow fe/c structures were synthesized using d-glucose monohydrate and ferric chloride as precursors by a simple hydrothermal process followed by carbonization at 800 °c. the self-assembled structures with an overall diameter of 15~20 µm composed of radially formed hollow needles from a central core with an average diameter of ca. 1 µm and a length up to 10 µm. the end of the needles was revealed to be a awl shape with a hollow structure formed during the self-assemb ... | 2015 | 26369160 |
| microwave assisted synthesis of ferrite nanoparticles: effect of reaction temperature on particle size and magnetic properties. | the preparation of ferrite magnetic nanoparticles of different particle sizes by controlling the reaction temperature using microwave assisted synthesis is reported. the iron oxide nanoparticles synthesized at two different temperatures viz., 45 and 85 °c were characterized using techniques such as x-ray diffraction (xrd), small angle x-ray scattering (saxs), vibrating sample magnetometry (vsm), thermogravimetric analysis (tga), differential scanning calorimetry (dsc) and fourier transform infra ... | 2015 | 26369150 |
| superparamagnetic fe3o4/poly(n-isopropyl acrylamide) nanocomposites synthesized in inverse miniemulsions: magnetic and particle properties. | in the present study, superparamagnetic fe3o4/poly(n-isopropyl acrylamide) nanocomposites were synthesized by one-step inverse miniemulsion copolymerization of n-isopropyl acrylamide and n,n'-methylene diacrylamide. the loading of fe3o4 nanoparticles in the nanocomposites was 27 wt%, and the saturation moment of the nanocomposites was 12.4 emu x g(-1). fe3o4 nanoparticles were prepared through a coprecipitation method. the amount of stabilizer (poly(acrylic acid)) significantly influenced the si ... | 2015 | 26369088 |
| one-pot low temperature synthesis and characterization studies of nanocrystalline α-fe2o3 based dye sensitized solar cells. | dye-sensitized solar cell (dssc) based α-fe2o3 nanostructures with two different morphologies, such as nanorods (feonrs) and nanoparticles (feonps), were synthesized by one-pot low temperature method. the crystal structure and phase purity of the as-prepared samples were characterized by x-ray powder diffraction (xrd) and further determined by rietveld refinements xrd analysis. the average crystallite size was calculated using debye sherrer formula, and it shows the range of 9.43-26.56 nm. the m ... | 2015 | 26369049 |
| structure and properties of type-ii clathrate cs8na16-xtlxge136. | tl-doped type-ii clathrate cs8na16-xtlxge136 was synthesized from its elements. the structure was characterised by single crystal and powder diffraction. cs8na16-xtlxge136 crystallized in the space group fd3[combining macron]m. the melting point decreased with increasing tl content at 925.0 °c, 922.8 °c and 915.7 °c for cs8na14.76(3)tl1.24(2)ge136, cs8na9.94(2)tl6.06(2)ge136 and cs8na8.36(2)tl7.64(2)ge136 in ar atmosphere, respectively. cs8na9.94(2)tl6.06(2)ge136 exhibited diamagnetism with χ = ... | 2015 | 26365627 |
| bifunctional li and co doped zno nanostructures synthesized by solvothermal method: stabilizer controlled shape and size tuning. | 1d nanostructures of zno, zn0.95co0.05o and zn0.85co0.05li0.10 were synthesized by a solvothermal chemical method with and without using oleic acid as a stabilizer. we report a very interesting observation of both room temperature ferromagnetism and photoluminescence properties along with development of different morphological transformation of these nanostructures on doping co and li in zno in the presence and absence of oleic acid. zn0.95co0.05o sample prepared in the presence of oleic acid sh ... | 2015 | 26353496 |
| "teratocarcinomatosis" in an emu (dromaius novaehollandiae). | an adult female emu (dromaius novaehollandiae) with no previous abnormal clinical signs was found dead in its stall. a postmortem examination revealed carcinomatosis of unknown origin. histopathology identified the masses as teratomas with malignant transformation by the presence of poorly differentiated tissue and dissemination throughout the coelomic cavity. we propose a new term, "teratocarcinomatosis," for this finding. this is the first case of a reproductive tumor described in an emu and t ... | 2015 | 26352977 |
| hybrid fe3o4-poly(acrylic acid) nanogels for theranostic cancer treatment. | multifunctional nanomedicine integrated with both therapy and diagnostics holds vast potential in cancer treatment. we developed hybrid fe3o4-poly(acrylic acid) (paa) nanogels for both drug delivery and magnetic resonance imaging (mri). superparamagnetic fe3o4 nanoparticles were encapsulated inside porous paa nanogels via an in situ co-precipitation approach. with successive growth of magnetic nanoparticles, the highest magnetization saturation (m(s)) value of the fe3o4 nanoparticles in the paa ... | 2015 | 26349390 |
| one-pot synthesis of hydrophilic superparamagnetic fe3o4/poly(methyl methacrylate-acrylic acid) composite nanoparticles with high magnetization. | uniform superparamagnetic fe3o4/poly(methyl methacrylate-acrylic acid) (p(mma-aa)) composite nanoparticles with high saturation magnetization and good hydrophilicity were successfully and directly synthesized via a facile one-pot miniemulsion polymerization approach. the mixture of the ferrofluids, mma and aa monomers, surfactants and initiator was co-sonicated and emulsified to prepare stable miniemulsion for polymerization. the as-prepared products were characterized by sem, tem, ft-ir, xrd, t ... | 2015 | 26328359 |
| epilepsy surgery in the united states: analysis of data from the national association of epilepsy centers. | to examine trends in epilepsy-related surgical procedures performed at major epilepsy centers in the us between 2003 and 2012, and in the service provision infrastructure of epilepsy centers over the same time period. | 2015 | 26310969 |
| strong facet-induced and light-controlled room-temperature ferromagnetism in semiconducting β-fesi2 nanocubes. | crystalline β-fesi2 nanocubes with two {100} facets and four {011} lateral facets synthesized by spontaneous one-step chemical vapor deposition exhibit strong room-temperature ferromagnetism with saturation magnetization of 15 emu/g. the room-temperature ferromagnetism is observed from the β-fesi2 nanocubes larger than 150 nm with both the {100} and {011} facets. the ferromagnetism is tentatively explained with a simplified model including both the itinerant electrons in surface states and the l ... | 2015 | 26302086 |
| self-assembled mpeg-pcl-g-pei micelles for multifunctional nanoprobes of doxorubicin delivery and magnetic resonance imaging and optical imaging. | in this paper, a novel bifunctional nanoprobe based on polyethylene glycol(mpeg)-poly(ϵ-caprolactone)(ϵ-cl)-polyethylenimine(pei) labeled with fitc (mpeg-pcl-pei-fitc, pcif) were prepared to provide tumor therapy and simultaneous diagnostic information via magnetic resonance imaging (mri) and optical imaging. superparamagnetic iron oxide (spio) and doxorubicin (dox) loaded pcif (pcif/spio/dox) nanoprobes were prepared by self-assembling into micelles, which had uniformly distributed particle siz ... | 2015 | 26513751 |
| facile synthesis of enzyme-embedded magnetic metal-organic frameworks as a reusable mimic multi-enzyme system: mimetic peroxidase properties and colorimetric sensor. | this work reports a facile and easily-achieved approach for enzyme immobilization by embedding glucose oxidase (gox) in magnetic zeolitic imidazolate framework 8 (mzif-8) via a de novo approach. as a demonstration of the power of such materials, the resulting gox embedded mzif-8 (mzif-8@gox) was utilized as a colorimetric sensor for rapid detection of glucose. this method was constructed on the basis of metal-organic frameworks (mofs), which possessed very fascinating peroxidase-like properties, ... | 2015 | 26505865 |
| polyvinyl pyrrolidone-assisted solvothermal synthesis of fe3o4 vesicular nanospheres. | monodispersed fe3o4 vesicular nanospheres with a diameter of 160 nm have been fabricated solvothermally in the mixed solution of ethylene glycol (eg) and ethylenediamine (en) with the surfactant polyvinyl pyrrolidone (pvp). the microstructure and magnetic properties of the products were characterized by xrd, raman, sem, tem, hrtem, n2 adsorption-desorption and squid techniques. the hrtem result shows that spherical fe3o4 nanoparticles are structurally uniform with a distinct lattice spacing of 2 ... | 2015 | 26505038 |
| tuning the magnetic properties of iron oxide nanoparticles by a room-temperature air-atmosphere (rtaa) co-precipitation method. | the ability of a room-temperature air-atmosphere (rtaa) co-precipitation method to tune the magnetic properties of iron oxide nanoparticles was investigated. it was demonstrated that superparamagnetic nanoparticles with different particle sizes ranging from 7 to 25 nm and magnetic properties with saturation magnetization between 2 to 75 emu g(-1) can be synthesized by simply controlling the molar ratio of ferrous to ferric ions and the concentration of ammonium solution, without heat treatment o ... | 2015 | 26505017 |
| core-shell ferromagnetic nanorod based on amine polymer composite (fe3o4@dapf) for fast removal of pb(ii) from aqueous solutions. | heavy metal ion removal from wastewater constitutes an important issue in the water treatment industry. although a variety of nanomaterials have been developed for heavy metal removal via adsorption, the adsorption capacity, removal efficiency, and material recyclability still remain a challenge. here, we present novel fe3o4@dapf core-shell ferromagnetic nanorods (csfmnrs) for the removal of pb(ii) from aqueous solutions; they were prepared by the facile surface modification of twin-like ferroma ... | 2015 | 26496966 |
| intrinsic magnetic properties of single-phase mn(1+x)ga (0<x<1) alloys. | magnetization measurements have been carried out on a series of carefully prepared single-phase mn(1+x)ga (0<x<1) alloys. the saturation magnetization ms, measured at 5 k, has a value of 92.0 emu/g for x=0.15. this is the highest value reported in these alloys and is close to the calculated value of 116 emu/g for the stoichiometric compound (x=0). ms decreases gradually with x and has a value of 60.7 emu/g for x=0.86. this behavior is consistent with the extra mn atoms occupying ga sites and cou ... | 2015 | 26597458 |
| the formation mechanism of iron oxide nanoparticles within the microwave-assisted solvothermal synthesis and its correlation with the structural and magnetic properties. | magnetic nanoparticles based on fe3o4 were prepared by a facile and rapid one-pot solvothermal synthesis using fecl3·6h2o as a source of iron ions, ethylene glycol as a solvent and nh4ac, (nh4)2co3, nh4hco3 or aqueous nh3 as precipitating and nucleating agents. in contrast to previous reports we reduce the synthesis time to 30 minutes using a pressurized microwave reactor without the requirement of further post-treatments such as calcination. dramatically reduced synthesis time prevents particle ... | 2015 | 26595518 |
| hydrophilic magnetochromatic nanoparticles with controllable sizes and super-high magnetization for visualization of magnetic field intensity. | hydrophilic fe3o4 nanoparticles with controllable size and shape have been fabricated using a facile solvothermal approach followed by surface modification with polyacrylic acid (paa). the nanoparticles form one-dimension photonic crystal structure under external magnetic field ranging from 29.6 to 459 g. the reflection peaks of formed photonic crystals cover the entire visible spectrum, which indicates a good magnetochromatic property and prospect of wide applications. the size and shape of fe3 ... | 2015 | 26593643 |
| zigzag-edge related ferromagnetism in mose2 nanoflakes. | outstanding magnetic properties are highly desired for two-dimensional ultrathin semiconductor nanosheets for their potential applications in nano-electronics and spintronics. here, ultrathin mose2 nanoflakes with plenty of edges were prepared via an efficient chemical vapor deposition method. the magnetic measurement results indicate that the sample exhibits strong ferromagnetic behaviour with a saturation magnetization of 1.4 emu g(-1) at room temperature, where the ferromagnetism persists up ... | 2015 | 26593054 |
| mitochondrial protection impairs bet bromodomain inhibitor-mediated cell death and provides rationale for combination therapeutic strategies. | inhibitors of the bromodomain and extraterminal domain family (beti) have recently entered phase i clinical trials. in patients with advanced leukemia's, potent antileukemia activity was displayed with minimum dose-limiting toxicity. in preclinical models of hematological malignancies, including aggressive b-cell lymphomas, beti induced cell-cycle arrest and apoptosis. however, the underlying cell death mechanisms are still not well understood. dissecting the mechanisms required by beti to media ... | 2015 | 26658189 |
| comparative studies of spinel mnfe2o4 nanostructures: structural, morphological, optical, magnetic and catalytic properties. | spinel mnfe2o4 nanostructures with two different morphologies such as nanoflakes (nfs) and nanoparticles (nps) were synthesized by a simple microwave-assisted combustion (macm) and conventional combustion (ccm) methods respectively. powder x-ray diffraction (xrd) study showed that the samples have pure cubic spinel phase and the average crystallite size is found to be 15.13 ± 2 nm and 24.38 ± 13 nm for nfs and nps respectively. the calculated lattice parameter values of the samples nfs and nps a ... | 2015 | 26682405 |
| women's experiences of transfer from primary maternity unit to tertiary hospital in new zealand: part of the prospective cohort evaluating maternity units study. | there is worldwide debate regarding the appropriateness and safety of different birthplaces for well women. the evaluating maternity units (emu) study's primary objective was to compare clinical outcomes for well women intending to give birth in either a tertiary level maternity hospital or a freestanding primary level maternity unit. little is known about how women experience having to change their birthplace plans during the antenatal period or before admission to a primary unit, or transfer f ... | 2015 | 26679339 |
| epileptic seizure detection using wristworn biosensors. | single signal seizure detection algorithms suffer from high false positive rates. we have found a set of signals which can be easily monitored by a wristworn device and which produce a distinctive pattern during seizure for patients in an epilepsy monitoring unit (emu). this pattern is much less likely to be reproduced by nonseizure events in the patient's daily life than are changes in heart rate alone. we collected 108 hours of data from three emu patients who suffered a combined total of seve ... | 2015 | 26737435 |
| structural and magnetic characterizations of nano sized grain zinc ferrite/hydroxyapatite ceramic prepared by solid state reaction route. | a promising composite of bioactive hydroxyapatite (hap) and zinc ferrite (znfe2o4) has potentials for future bone reinforcing formation. in present study, hap and znfe2o4 composite ceramic was prepared by solid state reaction route for easier control of structural and magnetic characteristics and with low cost. hap powder was synthesized by precipitation method from chicken eggshell. mixed powders with varying znfe2o4/hap weight ratios from 2-10 wt% were milled together and uniaxially pressed an ... | 2015 | 26726683 |
| polymerized complex synthesis and effect of ti dopant on magnetic properties of lafeo3 nanoparticles. | structure, characterization, and magnetic properties of ti-doped lafeo3 (lafe(1-x)ti(x)o3, x = 0, 0.1, 0.2, 0.3, 0.4 and 0.5) nanoparticles synthesized by polymerized complex method are investigated. all lafe(1-x)ti(x)o3 nanoparticles were successfully obtained from calcination of the precursor at 1050 degrees c in air for 2 h. the calcined lafe(1-x)ti(x)o3 samples were characterized by x-ray diffraction (xrd), transmission electron microscopy (tem), energy dispersive x-ray analysis (edx), x-ray ... | 2015 | 26726663 |
| synthesis and magnetic properties of τ-mnalc powders. | in order to improve the hard magnetic properties of mnal alloy, it is critical to fabricate fine τ phase mnal powders. in addition, a rapid cooling process and an addition of stabilization elements are required to fabricate a homogeneous phase because a τ phase is a metastable structure. in this study, τ-mn54al(46-x)c(x) (x = 0, 1, 2) powders were prepared by melt-spinning and subsequent annealing and milling processes. as a result, a main phase was revealed as a high temperature e phase in melt ... | 2015 | 26726586 |
| effects of different salts on salt-assisted ultrasonic spray pyrolysis (sa-usp) calcination for the synthesis of strontium ferrite. | strontium ferrite (hexaferrite), srfe12o19, was successfully fabricated in sizes ranging from hundreds of nanometers to several micrometers by salt-assisted ultrasonic spray pyrolysis-calcination using different salt media. all samples were single phases of srfe12o19 without the intermediate phase, α-fe2o3, and their morphology was hexagonal. as calcination temperature increased, the size of as-calcined samples and saturation magnetization, ms, increased while coercivity decreased. the particle ... | 2015 | 26726463 |
| [effects of occupational stress and related factors on depression symptoms in train drivers]. | to explore the influence of occupational stress and related factors on depression symptoms in train drives. | 2015 | 26887303 |
| enhanced magnetic properties of graphene coated with fe2o3 nanoparticles. | graphene, with its unique 2d nanostructure and excellent electrical, thermal, and mechanical properties, is considered an alternative to carbon nanotubes in nanocomposites. in this study, we present a one step approach for the deposition of iron oxide (fe2o3) nanoparticles onto graphene sheets through solution mixture. the morphology, crystallinity, and magnetic properties of as-synthesized composites were investigated. it was shown that highly crystalline fe2o3 nanoparticles were densely and un ... | 2015 | 26716229 |
| magnetic nanoparticles with high specific absorption rate at low alternating magnetic field. | this paper describes the synthesis and properties of a new type of magnetic nanoparticle (mnp) for use in the hyperthermia treatment of tumors. these particles consist of 2-4 nm crystals of gamma-fe2o3 gathered in 20-40 nm aggregates with a coating of carboxymethyl-dextran, producing a zetasize of 110-120 nm. despite their very low saturation magnetization (1.5-6.5 emu/g), the specific absorption rate (sar) of the nanoparticles is 22-200 w/g at applied alternating magnetic field (amf) with stren ... | 2015 | 26884816 |
| 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 |
| 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 |
| 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 |
| the serine/threonine kinase 33 is present and expressed in palaeognath birds but has become a unitary pseudogene in neognaths about 100 million years ago. | serine/threonine kinase 33 (stk33) has been shown to be conserved across all major vertebrate classes including reptiles, mammals, amphibians and fish, suggesting its importance within vertebrates. it has been shown to phosphorylate vimentin and might play a role in spermatogenesis and organ ontogenesis. in this study we analyzed the genomic locus and expression of stk33 in the class aves, using a combination of large scale next generation sequencing data analysis and traditional pcr. | 2015 | 26199010 |
| an interface coassembly in biliquid phase: toward core-shell magnetic mesoporous silica microspheres with tunable pore size. | core-shell magnetic mesoporous silica microspheres (magn-msms) with tunable large mesopores in the shell are highly desired in biocatalysis, magnetic bioseparation, and enrichment. in this study, a shearing assisted interface coassembly in n-hexane/water biliquid systems is developed to synthesize uniform magn-msms with magnetic core and mesoporous silica shell for an efficient size-selective biocatalysis. the synthesis features the rational control over the electrostatic interaction among catio ... | 2015 | 26186087 |
| 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 |
| 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 |