... the open-square regions in Figure 4c The surface ofthecore ZnWO4 was very clear and clean, andthe magnified view shows the highly crystalline structure ofthe ZnWO4 [19,20] In Figure 4e, the ... resulted in the formation of a hybrid ZnWO4/carbon core/ shell structure (inset of Figure 4c) The uniform thickness of carbon was approximately nm, based on the HRTEM images (Figures 4d, e) ofthe individual ... terms of D and G bands These peaks are in good correspondence with the Raman spectra ofthe amorphous carbon reported in the literature [16-18] The TEM observation more clearly demonstrated the...
... stimuli is then removed which subsequently reduces the permeability ofthe LbL shells and thereby locks the biomolecules within thecoreof hollow microcapsules On the other hand, the LbL shells ... Encapsulation The second approach for the encapsulation of biomolecules into core- shell microcapsules involves the pre-loading of biomolecules within thecore template during thefabricationofthecore ... surfaces of these microparticles andthe internal walls ofthe pores These biomolecules loaded microparticles are then subjected to polymer deposition via the LbL technique for thefabricationof core- shell...
... nanocomposites, and their thermal stability need to be further understood Therefore, the development of facile and effective approaches to obtain the desired hybrid ZrO2 nanocomposites and further understanding ... hybrid nanoparticles They are spherical in shape andthe particle surface seems smooth with a diameter of ca 250 nm and a shell thickness of ca 25 nm An obvious contrast between thecoreandtheshell ... theshellofthe latex particles could be observed in Fig 1, which is possibly caused by the difference of electron penetrability to the inorganic coreandthe organic shell Furthermore, the inorganic...
... where the first is for the formation ofthecore styrene andthe second is for grafting butyl acrylate to the styrene core to complete theshell (ratio of core- shell to feeding time) The results of ... the structure must consist of a hard coreand a soft shell Hard core forms the crystalline lattice while the soft shell forms a matrix around them There is no free space between the spheres The ... results ofthe conversion and particle size to the ratio ofthe feeding time are given in Table Table shows that as the feeding time ofthecoreandshell increases, so does conversion andthe results...
... show the formation process of array of microboats of Cu on glass substrate The wall thickness of microboats is dependent on the thickness ofthe deposited film, while the height is dependent on the ... http://www.nanoscalereslett.com/content/6/1/86 Page of design ofthe study and discussion of growth mechanism of CuO nanowires NX participated in the design ofthe study, and critically revised the manuscript for important ... nanowires grew only in the inner surface ofthe microboats and microbowls Their diameters are 30-80 nm and length 0.5-4 μm The microstructure ofthe individual CuO nanowires was further examined using...
... the band VHF to understand the structure, the transmission characteristics in order to master the technology to go to complete the set and apply the product on the fact that the purpose end of ... output .The digital output signal ofthe encoder is the output ofthe first register in the counter .the digital output signal is transmitted at the clock(sample) rate and will equal”1” if the analog ... in the amplitude ofthe slopevoltage out ofthe syllabic filter .the encoder and decoder have identical characteristics except for the comparator and filter functions The CVSD decoder consists of...
... ferrite nanoparticles coated with silica shell This is attributed to theeffectof silica shell, which enhances the optical properties of core/ shell ferrite nanoparticles On the other hand, cobalt ... the optical properties of core/ shell ferrite nanoparticles Core/ shell ferrite nanoparticles coated with silica are found to enhance the optical properties ofthe magnetic nanoparticles Core/ shell ... 62.99 ZFS 400 11.06 86 the optical properties enhancement ofthe prepared core/ shell ferrite samples When a beam of incident light impinges on the surface of these core/ shell nanoparticles, only...
... aspects of both the isochronal and isothermal studies and drafted the manuscript TR participated in all aspects ofthe isochronal study as well as the acquisition of XANES data in the isothermal ... smoothing filter to remove the effects of noise without distorting the shape ofthe spectra and locating the energy at which the peak PL intensity occurred There is a clear and steady shift from approximately ... electrons and fluorescence photons at the absorption edges probed Information on the bulk ofthe film was provided by the TEY spectra at the Si K-edge andthe FLY spectra at the Si L3,2-edge Results and...
... insure they have a comprehensive understanding ofthe interpretation of responses during the chart-stimulated recall Their orientation will consist of training on the theory and methods of chart-stimulated ... within their practice and requires chart audits and observations Stage focuses on the client and requires evaluation ofthe efficiency, effectiveness, adequacy and appropriateness of care and its ... highlighted the need to better understand the mediators of knowledge transfer, and previous work has established that a variety of factors may influence the effects of KT [38,39] However, the mediators...
... conditions, and they had a very stable coreshell structure because ofthe rigid chemical structure ofthe core- forming segment cholesterol The TEM scans ofthe micelles also evidenced the formation ofthe ... that the microenvironment of pyrene was more hydrophobic after DNA binding DNA molecules bound on the surface ofnanoparticles enhanced the stability of core- shell structure On the other hand, the ... The presence of proteins in the blood affected the stability ofthe micelles An increased protein concentration yielded greater size ofthe micelles because ofthe adsorption of proteins on the...
... after adsorption of proteins in the blood since the interactions between theshellandthe proteins may damage the balance between thecoreandtheshellThe dissociation ofthe micelles may ... could interact with the positive charges on the surface ofthe micelles Therefore, the higher was the concentration ofthe salts, the larger the particle size The shielding ofthe positive charges ... observation) In the presence of PTA, thenanoparticles tended to aggregate The size ofthenanoparticles was about 80 nm to 100 nm In the absence of PTA, no aggregates were found andthe size ofthe micelles...
... that at 690 nm The results were expressed as a percentage ofthe absorbance ofthe negative control IC50 (the concentration ofthe agent to inhibit the cell line growth by 50%) ofthe polymers ... well The plates were then returned to the incubator In the morning ofthe tests, the media in the wells were replaced with 150 µL of fresh media Each polymeric micelles solution (50 µL) was then ... excitation and emission bandwidths were set at 4.5 nm The ratios ofthe peak intensities at 338 nm and 333 nm (I338/I333) from the excitation spectra and I3 (the third peak at 385nm)/I1 (the first...
... environments Therefore, by studying the fluorescent change of these compounds, one can know the polarity and hence the hydrophobicity ofthecore 1H-NMR can also provide some information about the core- shell ... perform their carrier function The kinetic stability depends on many factors including the physical state ofthe micelle core, the contents of a solvent inside the core, the size ofthe hydrophobic ... interact and associate to form thecoreof micelles while the hydrophilic segments arrange towards the aqueous phase to form theshell In the case ofthe oil-in-water emulsion method, a drug and a...
... ability ofthe blank and drug-loaded core- shell nanoparticles, and structural integrity of core- shellnanoparticles during the DNA binding process, • Testing cytotoxicity ofthe core- shellnanoparticles ... nanoparticlesand examining their in vitro and in vivo gene transfection efficiency, • Investigating theeffectof core- shell structure on the gene transfection efficiency ofthe nanoparticles, ... synergistic effectof drug and gene therapies, both the drug and gene have to be delivered to the same cell type Therefore, there is a great need to develop a delivery system that can carry both the...
... C p and C f are the concentrations ofthe permeate and feed, respectively 30 The exploration andfabricationof nanofiltration membranes 3.6 Characterization of membranes The morphologies of CA, ... 15 The exploration andfabricationof nanofiltration membranes involved in the selectivity filter ofthe channel and are responsible for the sieving of water molecules by size restriction The ... radius (r) of a hypothetical solute at a given Mw can be calculated The mean effective pore size andthe pore size distribution were then obtained 31 The exploration andfabricationof nanofiltration...
... Γ(t) and ξ(t) include the complex reflection coefficient ofthe surface, the antenna gain in the direction ofthe reflected path, and path attenuation The time dependence of Γ(t) and ξ(t) is due to the ... for the sharp peak in the Laplacian angular distribution The location ofthe line of sight andthe back wall reflection is very dependent on the specific arrangement of transmitter and receiver, and ... line of sight environment with a high signal to noise ratio and no reflections in the vicinity ofthe direct path Along the angular axis, the main lobe and side lobes ofthe antenna are visible, and...
... behavior ofthe fluid inside the system, but also by the deflection shape ofthe membrane [4] The displacement ofthe membrane is due to the shear stress applied by the actuator and by the pressure of ... When the temperature decreases and falls below Tc the structure changes The O2- andthe Pb2+ ions are moved from their cubic positions andthe Ti4+ and Zr4+ ions are moved from the center ofthe ... because ofthe elastic properties ofthe materials Andthe strain will affect the polarization since the polarization is caused by a displacement ofthe charge centers ofthe anions and cations...
... knowledge Is there a network? The existence of a network connecting the machines together raises additional problems and further increases the workload ofthe Systems Administrator Are the computers ... present and future The history of UNIX is an oft-told tale and it is sometimes hard to pick the correct version The story has been told many ways andthe following is one version Being aware ofthe ... the appropriate policy a mechanism for the change of policy and penalties a mechanism for informing users ofthe policy andthe penalties If any one of these necessary components is missing the...
... significant change in system profile Attack Metrics • Severity is defined by the criticality ofthe target and lethality ofthe attack, andthe effectiveness of system and network countermeasures ... positives and false negatives, which are ever present factors in the life of an intrusion analyst We will then discuss the notion of Events of Interest (EOI), and their relevance to the event ... note that the attacker seemed to know what systems he was targeting because ofthe direct hit to the sunrpc port On the other hand, these are not servers, so let us assign a neutral value of to criticality...
... licentiate thesis ofthe present kind is reminiscent ofthe storybook form The aim is not to provide a synthesis; rather, it provides a multitude of pictures of processes and activities The present thesis ... aware ofthe reality-producing effects of describing the case In talking to representatives ofthe control group ofthe Public Internet Monitor Project, the case ofthe cleaner was seen as proof ... of studies have been conducted in Scandinavia from the ’70s onwards on technology and its relations to the work place andthe development of working life from the point of view of democracy and...