Magnetic Particles

A one-step miniprep for the isolation of plasmid DNA and lambda phage particles.

... isolate bacteriophage lambda particles To further assess the NID procedure, we attempted to extract bacteriophage lambda particles. Lambda prophage of UB61 cells can be induced by heat shock. The phage particles accumulate in host bacteria without lysing them because of a mutation in lambda gene S. Cell lysis and release of phage particles can be achieved ... buffer. The particles were precipitated and the lambda DNA was extracted from all samples using the same procedure as described in Materials and Methods. Lane 1: bacteria were incubated in the isotonic component of the lambda NID extraction buffer, i.e. 5% sucrose and 50 mM Tris pH 8. 10 ml DNA were loaded in the gel. Note minimal leakage of phage particles ... quality plasmid DNA, and NID approaches can also isolate bacteriophage lambda particles, outperforming current standard alkali-based minipreps. Citation: Lezin G, Kosaka Y, Yost HJ, Kuehn MR, Brunelli L (2011) A One-Step Miniprep for the Isolation of Plasmid DNA and Lambda Phage Particles. PLoS ONE 6(8): e23457. doi:10.1371/journal.pone.0023457 Editor:
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Chemical composition and sources of coastal marine aerosol particles during the 2008 VOCALS-REx campaign

... marine stratocumulus clouds, their radiative properties, and sources of marine aerosol particles that maintain and interact with clouds in the SEP (Wood et al., 2011). Because aerosol particles impact cloud microphysical properties, a major effort of VOCALS was focused on characterizing aerosol particles in terms of size distribution, mass concentrations, and chemical ... Aerosols were 2− strongly acidic with a NH+ 4 to SO4 equivalents ratio typically < 0.3. Sea-salt aerosol (SSA) particles, represented by NaCl, exhibited Cl− deficits caused by both HNO3 and H2 SO4 , but for the most part were externally mixed with particles, mainly SO2− 4 . SSA contributed only a small fraction of the total accumulation mode particle number ... vacuum aerodynamic diameter (DVA ) of the particles. The chem2− − − ical species quantified included NH+ 4 , SO4 , NO3 , Cl , and Org (total organics), limits of detection (LOD) being 2− − −3 for ∼ 0.1 µg m−3 for NO− 3 , Cl , and SO4 , and ∼ 0.2 µg m + NH4 and Org. The ionization efficiency (IE) was calibrated using NH4 NO3 particles at the end of most flights
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Mixed convection peristaltic flow of third order nanofluid with an induced magnetic field.

... induced magnetic field is considered. Long wavelength and low Reynolds number situation is tackled. Numerical solutions of the governing problem are computed and analyzed. The effects of Brownian motion and thermophoretic diffusion of nano particles are particularly emphasized. Physical quantities such as velocity, pressure rise, temperature, induced magnetic ... : doi:10.1371/journal.pone.0078770.g003 J~sðEzme ðV|HÞÞ:    ,Y  ,tÞ,  ,Y  ,tÞ,0 : The total magnetic field is H  hx ðX hy ðX    ,Y  ,tÞ,H0 z  ,Y  ,tÞ,0 : Further the lower wall is Hz  hy ðX hx ðX maintained at temperature T0 and nano particles concentration C0 while the temperature and nanoparticles concentration at the upper wall are T1 and C1 respectively. ... we observed the effects of Pr on the temperature 4.5 Induced magnetic field characteristics The variations of C, Rm and M on the induced magnetic field have been plotted in the Figs. 20–22. Fig. 20 shows that there is an increase in hx when C increases. We see that magnitude of the induced magnetic field in third order nanofluid is more than Figure
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The effects of pulsed low frequency magnetic field in early rehabilitation of patients with cementless total hip arthroplasty

... of pulsed electromagnetic fields in treatment of loosened cemented hip protheses. A double blind trial. Clin Orthop 1993; 286:198-205. 6. Stuchz MA. Applications of time-varyng magnetic fields in medicine. Biomedical engineering 1990; 18(2):89-124. 7. Van Steenbrugghe G, Panthier G, Maigne JY, Maigne R. Control study of pulsed low magnetic field in ... Levickij EF, Kuzmenko DI, Sidorenko GN, Laptev BI, Džuraeva EI. The effects of sapropel and constant magnetic field on repair processes at liver`s injury (In Russian). Vopros Kurort 1998; 2:35-6. 12. Pewukova JP, Šarpov IA. Ultrasound and low frequency pulsed magnetic field in therapy at sceletal system (In Russian). Vopros Kurort 1991; 3:57-8. 13. Nikolić ... GN, Solokov GV, Šustav SB, Kiseleva TP, Mažara JP, Anisimov AL at al. Analysis of clinical effects in parametric magnetic therapy (In Russian). Vopros Kurort 1998; 1:6-9. 418 15. Žukov BN, Trifanov LA, Musienko SM. The effects of constant magnetic field on trancapillary volume in patients with chronic venous insufficiency (In Russian). Vopros Kurort
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Quantum Dots Encapsulated with Canine Parvovirus-Like Particles Improving the Cellular Targeted Labeling.

... targeted imaging of cancer diagnosis. This encapsulation method promotes the feasibility of QDs as receptor-targeted nanoparticles in biological medical field. Moreover, other hydrophobic drugs (paclitaxel), inorganic particles (e.g., QDs), and magnetic PLOS ONE | DOI:10.1371/journal.pone.0138883 September 23, 2015 10 / 14 QDs Encapsulated with CPV-VLPs ... hepatitis virus [43], cowpea chlorotic mottle virus [44], simian virus 40 [45], simian vacuolating virus 40 [46], and bacteriophage P22 VLPs [47] had been used to encapsulate magnetic Fe2O3 nanoparticles, plasmid DNA, and even heterogenous proteins. Research has shown that VLPs from different viruses can improve encapsulated nanomaterials biocompatible. Thus, ... doi: 10.1039/c1cc10692a PMID: 21475767. 14. Ye F, Barrefelt A, Asem H, Abedi-Valugerdi M, El-Serafi I, Saghafian M, et al. Biodegradable polymeric vesicles containing magnetic nanoparticles, quantum dots and anticancer drugs for drug delivery and imaging. Biomaterials. 2014; 35(12):3885–94. doi: 10.1016/j.biomaterials.2014.01.041 PMID: 24495486. 15. Santra
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Low-Field Magnetic Resonance Imaging of Canine Hydrocephalus

... hydrocephalus Magnetic resonance ABSTRACT The aim of presented study was to evaluate selected surface spine coil, and lowfield magnetic resonance (MR) selected sequences in diagnosing hydrocephalus in dogs. This paper discusses 19 dogs (14 canine patients with hydrocephalus and 5 healthy dogs), of five breeds, subjected to low-field magnetic resonance ... imaging techniques for diagnosing hydrocephalus in animals are computed tomography (CT) and magnetic resonance (MR). In young dogs with an open fontanelle and in adult dogs of certain breeds, the condition can also be diagnosed by ultrasonography (Thomas, 2010). Magnetic resonance has the highest diagnostic value of the three discussed techniques because it ... Uzuka, Y Taura, M Nakaichi, H Inokuma and T Onishi, 1997. Magnetic resonance imaging of the lateral ventricles in beagle-type dogs. Vet Radiol Ultrasound, 38: 430-433. Lemire RJ, 1988. Neural tube defects. J Am Med Assn, 259: 558-562. Matijatko V, I Kis, D Vnuk, M Brkljacic and D Stanin, 2007. Magnetic resonance as a part of a broad approach to seizures
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Effects of MHD slow shocks propagating along magnetic flux tubes in a dipole magnetic field

... applicable for the Sun (Fisher et al., 2000), where the magnetic field consists of separate, thin magnetic flux tubes that accumulate magnetic energy generated by magnetic field stretching. Inside such tubes, the plasma pressure is quite small with respect to the magnetic pressure. Another type is a model of magnetic flux tubes with an enhanced plasma pressure. ... of the plasma pressure in a magnetic flux tube can produce MHD waves evolving into shocks. In the case of a low plasma beta, plasma pressure pulses in the magnetic flux tube generate MHD slow shocks propagating along the tube. For converging magnetic field lines, such as in a dipole magnetic field, the cross section of the magnetic flux tube decreases ... enormously with increasing magnetic field strength. In such a case, the propagation of MHD waves along magnetic flux tubes is rather different from that in the case of uniform magnetic fields. In this paper, the propagation of MHD slow shocks is studied numerically using the ideal MHD equations in an approximation suitable for a thin magnetic flux tube with
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A novel tandem differential mobility analyzer with organic vapor treatment of aerosol particles

... flow of DMA-2 in order to treat particles with ethanol vapor and also to avoid ethanol evaporation from the particles inside DMA-2 during the measurements. In the experiments for citric acid particles, the aerosol particles were only treated by ethanol-rich sheath air flow. In that case the interaction between aerosol particles and ethanol vapor takes place ... chloride and ammonium sulfate as well as citric acid particles grow at water saturation ratios (S) of 0.8 and above, whereas adipic acid particles do not grow at S < 0.96. For sodium chloride and ammonium sulfate particles, a deliquescence point is observed at S = 0.75 and S = 0.79, respectively. Citric acid particles grow monotonously with increasing saturation ratios ... ammonium sulfate particles, no growth can be seen in ethanol vapor at saturation ratios below 0.93. In contrast, for adipic acid particles, the deliquescence takes place at around S = 0.95 in the ethanol vapor. The recrystallization of adipic acid takes place at S < 0.4. Citric acid particles grow in ethanol vapor similarly as in water vapor; the particles
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Reconstruction of geomagnetic activity and near-Earth interplanetary conditions over the past 167 yr – Part 2: A new reconstruction of the interplanetary magnetic field

... given that it predicts that geomagnetic activity, as quantified by IDV(1d), will fall to zero if the IMF B falls through a threshold (in annual means) of about 3 nT. We know of no theoretical reason why this should be the case in that the magnetic reconnection between the geomagnetic field and the IMF (which drives geomagnetic activity and is ultimately ... interplanetary magnetic field 2 1 1981 The dependencies of different geomagnetic indices on solar wind parameters n correlation with [BVSW ]′ 0.9 0.8 Ap′ −AL′ AU′ −Dst′ −Dst1′ aa′ IDV(1d)′ IDV m Am′ IHV 0.7 0.6 0.5 −2 −1 0 1 2 3 4 exponent of VSW, n Fig. 1. Linear correlation coefficients of annual means of various geomagnetic indices ... level. www.ann-geophys.net/31/1979/2013/ M. Lockwood et al.: Part 2: A new reconstruction of the interplanetary magnetic field 3 1983 Analysis of uncertainties and regression fits All the geomagnetic indices shown in Fig. 1 result from solar wind–magnetosphere coupling which is dominated by the process of magnetic reconnection. As a result, all show a strong dependence on the southward
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EFFECTS OF HEAT STRESS ON BLOOD ACID-BASE BALANCE AND MINERAL CONTENT IN GUINEA FOWLS WHEN DRINKING WATER TREATED WITH MAGNETIC FIELD WAS USED

... water treated with magnetic field was used. During 24 hours of the adaptation period the environmental temperature was 28oC (±0,5) and humidity 55% (±2). During the heat stress, temperature increased about 1oC for every 3 hours. It reached 32oC in the 12th hour of stress and stayed at this level till the end of the experiment. The effect of magnetic water ... purpose of the study was to examine the effect of 24-hour heat stress on blood acid-base balance parameters and mineral content in guinea fowls when drinking water treated with magnetic field was used. The maximum environmental temperature at the end of the present experiment was 32oC. The relative humidity was maintained at 55% (±2). Blood samples were ... ORIGINAL PAPER EFFECTS OF HEAT STRESS ON BLOOD ACID-BASE BALANCE AND MINERAL CONTENT IN GUINEA FOWLS WHEN DRINKING WATER TREATED WITH MAGNETIC FIELD WAS USED WPŁYW STRESU TERMICZNEGO NA RÓWNOWAGĘ KWASOWO-ZASADOWĄ I SKŁADNIKI MINERALNE KRWI PERLIC POJONYCH WODĄ PODDANĄ DZIAŁANIU POLA MAGNETYCZNEGO GŁOWIŃSKA Beata*,
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Magnetic and Electrical Characteristics of Bismuth Ferrite, Depending on the Impurities, Method of Preparation and Size of the Nanoparticles

... treatment at 600 °C 03008-2 MAGNETIC AND ELECTRICAL CHARACTERISTICS OF BISMUTH FERRITE… Measurements of the magnetic susceptibility χ performed using complex to study the physical properties of materials in a wide range of temperatures and magnetic fields of PPMS-9 + EverCool-II in the temperature range 4-350 K in the alternating magnetic field with frequencies ... – the first, at 350 K, the magnetic susceptibility of the calcined sample is at 30 % lower compare to the non-calcined sample [8]. The difference in the magnetic susceptibility of these samples decreases with decreasing temperature, and at 4K they are the same. It is known that the magnetic susceptibility (χ) of antiferromagnetics near 0 K is small, ... 15 at the frequency 10 kHz. Single phase BiFeO3 nanoparticles (nanoparticles size - 47 nm) have been prepared [8] by a combustion method using metal nitrates and citric acid without any solvent. Dielectric constant at room temperature at a frequency of 10 kHz equal ε'  60. The magnetization of nanoparticles is small, but the dependence not saturated
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High spatial resolution and temporally resolved T2* mapping of normal human myocardium at 7.0 Tesla: an ultrahigh field magnetic resonance feasibility study.

... characterization using T2* relaxation mapping techniques is an emerging application of (pre)clinical cardiovascular magnetic resonance imaging. The increase in microscopic susceptibility at higher magnetic field strengths renders myocardial T2* mapping at ultrahigh magnetic fields conceptually appealing. This work demonstrates the feasibility of myocardial T2* imaging ... changes in magnetic susceptibility asks for a long evolution time (TE) between RF excitation and data acquisition. Consequently, gradient echo based myocardial T2* mapping is commonly restricted to a single slice and single cardiac phase that can be accommodated in a single breath-hold at 1.5 T and 3.0 T [30–32]. The linear relationship between magnetic ... T2* phantom, a cylindrical water phantom (diameter = 8 cm) containing agarose (5 mg agarose dissolved in 250 ml H2O) was used. T2* was reduced by ultrasmall superparamagnetic iron oxide particles (500 ml Molday ION (10 mg Fe/ml), BioPal, Worchester, USA), which afforded a T2* of approximately 20 ms. In the phantom experiments, MS (Figure 1b) and MB CINE (Figure
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Hygroscopic properties of aerosol particles at high relative humidity and their diurnal variations in the North China Plain

... aged and more hygroscopic particles from aloft and diluted the NH particles near the surface resulting in a decrease in the fraction of NH particles. Full Screen / Esc Printer-friendly Version Interactive Discussion | Discussion Paper | 2994 Discussion Paper 25 ACPD 11, 2991–3040, 2011 Hygroscopic properties of aerosol particles at high RH P. ... properties are very crucial since they describe the interactions of aerosol particles with water vapour which are closely related to the cloud condensation nuclei (CCN) activity of aerosol particles (Swietlicki et al., 2008) and their number-size distribution. Moreover, hygroscopic particles grow significantly in size at high RH (but less than 100%) due ... Version Interactive Discussion Nearly-hydrophobic particles (NH): κ
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The relative importance of competing pathways for the formation of high-molecular-weight peroxides in the ozonolysis of organic aerosol particles

... the relative evaporation rates of reacted and unreacted aerosol particles. Prior to ozonolysis, MO particles evaporate at a rate of 4 nm s−1 (Table 1). In comparison, by changing the residence time of particles between the flow tube and the SMPS, we determine that the evaporation rate of ozone-reacted particles is 0.15 nm s−1 , as given by (434 nm – 438 nm)/(45 ... and discussion Reaction pathways of the ozonolysis of pure MO particles (Fig. 2) have similarities with those of pure oleic acid particles (Ziemann, 2005), although several of the pathways for polymerization are absent (Hung et al., 2005). Methyl oleate reacts with O3 diffusing into the particles and forms a primary ozonide (1,2,3-trioxolane). Because ... experiments, control studies employing pure particles showed that MA (ca. 1 nm s−1 ), AAME (ca. 3 nm s−1 ), and EO Atmos. Chem. Phys., 6, 4851–4866, 2006 (ca. 2 nm s−1 ) also evaporated in the flow tube. No evaporation of DOA was detected. 2.4 Mole fraction of methyl oleate in mixed particles Prior to the ozonolysis of particles of MO mixed with a matrix
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Scavenging of ultrafine particles by rainfall at a boreal site: observations and model estimations

... 2001). Also, nucleation mode particles are emitted from gasoline engines (Harris and Maricq, 2001). Aitken mode particles are emitted directly from traffic exhaust, or may result from condensational growth of nucleation mode particles (Kerminen and Wexler, 1996; Alam et al., 2003, Laakso et al., 2003b). Accumulation mode particles originate from industrial ... the BL below-cloud, where aerosol particles uptake water and become wet. These UFP behave as small spherical particles colliding with a falling raindrop. Brownian diffusion is an efficient mechanism for collection of very small particles (with diameters dp ≤10 nm) by falling raindrops (Greenfield, 1957). Similarly, large particles (with diameters dp ≥2000 ... number of small aerosol particles growing to the sizes required for activation of cloud droplets. Atmospheric particles removal is also a process of interest for numerical studies, in the effort to improve aerosol and chemical models at various scales (for example, see Rasch et al., 2000; Tost et al., 2006). The wet removal of aerosol particles (AP) from
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Differentiating laryngeal carcinomas from precursor lesions by diffusion-weighted magnetic resonance imaging at 3.0 T: a preliminary study.

... (TSE) DWI and 3.0-T magnetic resonance. Methods: We evaluated DWI and the ADC value in 33 pathologically proven laryngeal carcinomas and 17 precancerous lesions. Results: The sensitivity, specificity, and accuracy were 81.8%, 64.7%, 76.0% by laryngostroboscopy, respectively. The sensitivity, specificity, and accuracy of conventional magnetic resonance ... oncology. Cancer Imaging 10: 209–214. 10. Razek AA. (2010)Diffusion-weighted magnetic resonance imaging of head and neck. J Comput Assist Tomogr 34: 808–815. 11. Vandecaveye V, De Keyzer F, Dirix P, Lambrecht M, Nuyts S, et al. (2010) Applications of diffusion-weighted magnetic resonance imaging in head and neck squamous cell carcinoma. Neuroradiology ... Differentiating Laryngeal Carcinomas from Precursor Lesions by Diffusion-Weighted Magnetic Resonance Imaging at 3.0 T: A Preliminary Study De-Sheng Shang1, Ling-Xiang Ruan1, Shui-Hong Zhou2*, Yang-Yang Bao2, Ke-Jia Cheng2, QinYing Wang2 1 Department of Radiology,
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Pichia pastoris-expressed dengue 2 envelope forms virus-like particles without pre-membrane protein and induces high titer neutralizing antibodies.

... dengue vaccine development. J Infect Dis 203: 299–303. 13. Chackerian B (2007) Virus-like particles: flexible platforms for vaccine development. Expert Rev Vaccines 6: 381–390. 14. Liu W, Jiang H, Zhou J, Yang X, Tang Y, et al. (2010) Recombinant dengue virus-like particles from Pichia pastoris: efficient production and immunological properties. Virus ... al. (2012) Induction of virusneutralizing antibodies and T cell responses by dengue virus type 1 virus-like particles prepared from Pichia pastoris. Chin Med J 125: 1986–1992. 16. Kuwahara M, Konishi E (2010) Evaluation of extracellular subviral particles of dengue virus type 2 and Japanese encephalitis virus produced by Spodoptera frugiperda cells for ... of recombinant subviral particles of the four dengue serotypes using native prM and E proteins. PLOS One 4: e8325. 18. Bachmann MF, Jennings GT (2010) Vaccine delivery: a matter of size, geometry, kinetics and molecular patterns. Nat Rev Immunol 10: 787–796. 19. Yildiz I, Shukla S, Steinmetz NF (2011) Applications of viral nanoparticles in medicine.
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Production of infectious genotype 1b virus particles in cell culture and impairment by replication enhancing mutations.

... JFH1 particles exhibited an analogous density profile but with very different ratios when compared to the patient-derived particles. Most particles had a density of 1.14 g/ml, whereas only a minor and broad peak was found at very low density in the range of 1.03 to 1.08 g/ml. In this respect, density profiles of Con1/wt and JFH1 derived virus particles ... demonstrating specificity of this capture assay. Biophysial characterization of Con1-derived particles Biophysical properties of captured particles were further characterized by treatment with S7 micrococcal nuclease under various conditions. Assuming that intact particles protect the viral genome, we treated captured complexes with nuclease without or ... detergent- treated particles did not increase nuclease sensitivity (not shown). These results suggested that HCV nucleocapsids –if they are formed at all- might be unstable after removal of the envelope and/or the lipoprotein shell. Densities of Con1-derived particles were determined by using density gradient centrifugation in comparison to virus particles
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Magnetic resonance imaging detects placental hypoxia and acidosis in mouse models of perturbed pregnancies.

... doi:10.1371/journal.pone.0059971.g005 value in the labyrinth can be accounted for by an increase in the paramagnetic ion deoxyhaemoglobin which gives rise to shorter T2 relaxation times [14–15], however in the junctional zone there are few haemoglobin containing blood cells and hence minimal paramagnetic effect of deoxyhaemoglobin on the T2 value in this region. Conversely, due ... relaxation rates and blood oxygenation level. Magn Reson Med 34: 234-241. 15. Ogawa S, Lee TM, Nayak AS, Glynn P (1990) Oxygenation-sensitive contrast in magnetic resonance image of rodent brain at high magnetic fields. Magn Reson Med 14: 68-78. 16. Jehenson P, Leroy-Willig A, de Kerviler E, Duboc D, Syrota A (1993) MR imaging as a potential diagnostic ... Freeman AJ, Issa B, et al. (1998) In vivo perfusion measurements in the human placenta using echo planar imaging at 0.5 T. Magnetic Resonance in Medicine 40: 467-473. 20. Wright C, Morris DM, Baker PN, Crocker IP, Gowland PA, et al. (2011) Magnetic resonance imaging relaxation time measurements of the placenta at 1.5T. Placenta 32: 1010-1015. 21. Alexander
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Aspects of the semantic structure of the text: Conjunctions and particles as predicates

... Јужнословенски филолог LXXI, св. 1–2 (2015) Zuzanna Topolińska ASPECTS OF THE SEMANTIC STRUCTURE OF THE TEXT Conjunctions and Particles as Predicates Summary The author argues in favor of the thesis that on the semantic level conjunctions and particles function as predicates, in other words, as constitutive members of propositions; they imply propositional, ... thought, respectively provide information about relations between the events as perceived by the author of the text, and – in case of particles – reflect the speaker’s evaluation of corresponding events. Keywords: conjunctions, particles, predicates, arguments, text.
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Elementary Particles A New Approach

... 2015 ISSN 2277-8616 Elementary Particles: A New Approach Francisco Martínez Flores ABSTRACT: It is shown the inexistence of neutrinos to define precisely the concept of relativistic’s mass; under this scheme, to elementary’s particles as electron and interaction’s particles like photons correspond an electromagnetic and virtual mass. Nucleons ... kinetic energies as though they were classical particles, it seems to forget that the origin of quantum phenomena is coming on Statistical Physics from the interpretation of the black body radiation’s graphic with the introduction of energy quanta or quantum particles, characterized by parameters of electromagnetic’s wave. The relativistic theory seems ... 954717473 - 638775430 1. Elementary particles (electromagnetic and virtual mass): As we can see, the parameter defining the physics particles, elementary or not, are charge and mass, the first of which has a clearly defined value while the mass is a data referring to the latest measurements. It is curious the insistence on the idea that the essential feature
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Hydroxymethanesulfonic acid in size-segregated aerosol particles at nine sites in Germany

... transported over long distances, this observation might suggest that HMSA was formed during the aging of particles, e.g. in pollution plumes, and/or in fog or cloud processing prior to the sampling time of the aerosol particles. In fact, from its abundance in single particles with diameter >0.7 µm and its coincidence with periods of fog or high relative humidity, ... understanding of S(IV) oxidation processes but, on the other hand, has only rarely been quantified in atmospheric particles (Suzuki et al., 2001). The aim of the present study is thus to investigate HMSA concentrations in size-segregated atmospheric aerosol particles at selected sites in central Europe in order to identify the main factors determining HMSA mass ... chemistry. However, no HMSA data are available for atmospheric particles from central Europe, and even on a worldwide scale data are scarce. Thus, the present study now provides a representative data set with detailed information on HMSA concentrations in size-segregated central European aerosol particles. HMSA mass concentrations in this data set were highly
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Development of nano-sized Mn3O4 magnetic composites: application in wastewater treatment

... capacities is a subject of relevance. 1.2 Magnetic composites The magnetic particle technology has a high potential to be applied in sorption and catalysis systems, when joint with the use of magnetic separation process. The magnetic particles can be combined with functional groups or inorganic compounds yielding magnetic composites (Velsen van and Vos ... main concern of magnetic separation processes is to generate magnetic forces on the magnetic particles large enough to overcome opposing forces, such as Brownian motion, viscous drag, and sedimentation. In a field gradient, there is a proportion between the magnetic force acting on a particle and the particle volume. Therefore, the magnetic attractive ... their removal from the column matrix in low-field magnetic separators. Therefore, for optimum magnetic separations at low fields, the largest magnetite nanoparticles that still show superparamagnetic properties should be used (Yavuz et al., 2006). A series of magnetic composites, which could be separated by magnetic separation technology, have been prepared
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SYNTHESIS, CRYSTAL STRUCTURE AND MAGNETIC BEHAVIOUR OF NOVEL 4f-2s HETEROMETALIC ONE-DIMENSIONAL COORDINATION POLYMERS ON THE BASE OF 2-FURAN-CARBOXYLIC ACID

... behaviour is characteristic for weak intramolecular ferromagnetic spin-exchange interaction between the paramagnetic ions in the complex. But the analysis of magneton number for 10 indicates antiferromagnetic interaction. In order to further assess the strength of this magnetic interaction quantitatively, a magnetic analysis was performed with the susceptibility ... the mode of coordination. It was demonstrated [9-14] that the magnetic coupling between Gd(III) ions in Gd(III) dimmers is antiferromagnetic, but recent reports have found ferromagnetic [15-21] interactions. However, the numbers of polynuclear gadolinium compounds for which structural and magnetic data available are quite low and the factors, which govern the ... molecules. The magnetic behaviour of several synthesised complexes as well as {[Gd2Sr(α-Fur)8(H2O)4]}n was investigated in the temperature range of 1.8-300 K. The magnetic data were interpreted in the HDVV approximation with the exchange coupling constant J = - 0.014 cm1 that indicates antiferromagnetic interaction in {Gd2Sr}, whereas a ferromagnetic one
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Non-contrast-enhanced whole-body magnetic resonance imaging in the general population: the incidence of abnormal findings in patients 50 years old and younger compared to older subjects.

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