synthesis of bone like hydroxyapatite collagen self organized nanocomposites

... characteristics of flake -like AZO nanostructures on the performance of the IOSC devices were investigated It is found that the PCE of the IOSC devices depends critically on the s of AZO nanostructures ... The active area of the IOSCs is 0.2 cm2 Figure 1c shows the energy dispersive spectrum (EDS) of AZO Figure Schematic structure of the IOSCs, and FE-SEM images and EDS spectrum of AZO nanostructures ... flake -like AZO nanostructures have grown With increasing Al concentrations from to mM, the density of the AZO NFs decreases and the average size of the AZO NFs is 12.5, 13.6, and Page of 15.0...

Ngày tải lên: 20/06/2014, 22:20

... agglomerates Quite likely it Fig — XRD pattern of HA powder mixed with impurities CaO and β-TCP Fig — SEM photograph of the sol-gel derived HA powder SOPYAN et al.: SYNTHESIS OF NANO SIZED HYDROXYAPATITE ... respect of porosity, the value of 1.96 MPa is still low if we refer to the value reported Fig — SEM picture of the fractured surface of dense samples Fig — Macrostructure of the porous hydroxyapatite ... Microporosity structure of the wall of the open pores SOPYAN et al.: SYNTHESIS OF NANO SIZED HYDROXYAPATITE POWDER USING SOL-GEL TECHNIQUE by Guicciardi et al18 (16.1 MPa) for the speciment of 56% total...

Ngày tải lên: 08/04/2015, 15:09

... magnification SEM of a single assembly was recorded, as shown in Fig.1b The entangled architecture is actually comprised of leaf -like particles with the average thickness of 100 nm, width of 200 nm, ... the morphologies of the products synthesized with the assistance of different amounts of Span80 It seems that leaf -like products can only be synthesized under the assistance of enough Span80 ... as a soft template for the formation of nanorods Self- assembly of nanocrystals is driven by van der Waals forces and hydrogen bonding among the certain organic molecules on the surface of particles[36]...

Ngày tải lên: 02/09/2015, 13:16

... same LPCVD process on a substrate consisting of GaN on sapphire with the aid of an evaporated gold layer of nm which served as catalyst Though the growth of these nanowires follows the VLS growth ... image of a single Ag-cluster (right; inset: fast Fourier transformation of the image) Fig EDX analysis of silicon nanowires grown on a GaN/sapphire substrate with Au as catalyst trace of the ... incorporation of gallium This might result in an uncertainty of the conductivity measurements due to possible leakage currents across the substrate surface Though the agreement of the specific resistance of...

Ngày tải lên: 16/03/2014, 15:17

... (Fig 5) shows that the number of absorbed photon of flower -like TiO2 calcined at 500 °C is larger than other samples The results revealed that the use of the flower -like TiO2 with unique structure ... activity than that of commercial TiO2 anatase powder (ST-01) Acknowledgements The authors would like to express their gratitude to Prof T Yoko, Assoc Prof M Takahashi, and Asst Prof Y Tokuda, Institute ... Preparation of titanate nanosheets Monodispersed spherical titanate nanosheets were prepared by hydrothermal treatment in ammonia solution An amount of 0.3 g of AS was suspended in 60 ml of ammonia...

Ngày tải lên: 20/03/2014, 13:04

... ◦ C), the rate of weight loss of PANI (curve a) is similar with that of PANI/magnetite nanocomposites The final residue of PANI is 0.53%, while the final residue of PANI/magnetite nanocomposites ... a) is much fast, the residue of PANI is 44.06%; while the rate of weight loss of PANI/magnetite nanocomposites (curve b) is slower, the residue of PANI/magnetite nanocomposites is 64.23% In the ... fraction of magnetite In this paper, we report a facile one-pot synthesis of PANI/magnetite nanorod composites through DBSA micelleassisted synthesis by in situ self- assembly method The presence of...

Ngày tải lên: 20/03/2014, 13:04

... attracted to some of the TEA Fig Growth of Candida albicans (a) without the treatment of ZnO; (b) with the treatment of mulberry -like ZnO spheres; (c) with the treatment of sheet -like ZnO; and (d) ... amounts of TEA were carried out to confirm the effects of TEA on the morphology of the ZnO samples The formation mechanism of such ZnO was then investigated to judge the possible extent of this synthesis ... treatment of ZnO (Fig 7) The inhibition rates of the three different morphological ZnO were 90% (mulberry -like ZnO particles), 85% (sheet -like ZnO),and 50% (flowerlike ZnO) The mulberry -like ZnO...

Ngày tải lên: 06/05/2014, 13:27

... aligned array of ZnO is self- organized in six symmetrical directions and the diameter of the fibers is about several hundreds of nanometers, and the ASE present a FWHM of nm with a threshold of about ... different parts of a nanowhisker as inserted between Figs 2(c) and 2(d) The lattice fringes of the stem with the d spacing of 0.26 nm match the interspacing of (0002) planes of the wurtzite ZnO, ... the FWHM of the UV spectra quickly narrowed to nm (insert of Fig 4) and the output intensity increases rapidly with the increase of the pumping power It is estimated that the threshold of the ASE...

Ngày tải lên: 18/05/2014, 11:29

... EPCs-originated ECs in biomaterials of bone graft is frequently neglected Therefore, the objective of this study was to evaluate the biocompatibility of the HA-PCL biomaterials to both bone marrow-derived osteogenic ... cells, Page of (page number not for citation purposes) Journal of Orthopaedic Surgery and Research 2009, 4:5 Figure Characterizations of osteoblasts Characterizations of osteoblasts Over 95% of induced ... cells [10,11], possessing many of the desirable properties such as degradability and plasticity Hydroxyapatite (HA) is the inorganic part of the naturally occurring bone, and is known to be both...

Ngày tải lên: 20/06/2014, 01:20

... because of the round turning of the (100) surfaces, most of the TiCx particles in the Fe-Ti-CNT system show the sphere -like shapes (Figure 2l) When the Fe content increases, the sizes of the TiCx ... mainly cubic Page of and sphere -like This shape variation of the TiCx formed in different kinds of the Me liquid environment is believed to relate to the different stoichiometries of the TiC x formed ... by Graduate Innovation Fund of Jilin University Author details Key Laboratory of Automobile Materials, Ministry of Education, People’s Republic of China 2Department of Materials Science and Engineering,...

Ngày tải lên: 21/06/2014, 00:20

... People’s Republic of China 2Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Urumqi, 830011, People’s Republic of China 3Jiangxi Key Laboratory of Organic Chemistry, ... Science Foundation of China (Grant nos 20933007, 51073114, 51073074, and 50963002), the ‘One Hundred Talents’ program of Chinese Academy of Sciences (1029471301), the Opening Project of Xinjiang Key ... performance of as-prepared catalysts for the formic acid electro-oxidation The inset of Figure shows the CV of formic acid oxidation on the Pd electrode, which was deposited for Figure XRD patterns of...

Ngày tải lên: 21/06/2014, 03:20

... composed of the same material as that of the substrate However, the dots shown in the GaAs experiment have different compositions from that of the substrate, suggesting that the diffusion of atoms ... and growth of dots due to the supply of atoms from the perimeter of the dot This term is isotropic because atoms are supplied from all direction Because it is not related to the angle of the incident ... [9] Page of Figure shows simulation results at t = 10,000 for different values of h, revealing how the strength of the shadow effect affects the pattern The parameter h is a function of the incident...

Ngày tải lên: 21/06/2014, 03:20

... surface, one of the consequences of the ATG instability-induced islanding is the formation of cusp In order to elucidate this effect, Fig shows the relationship of the depth of self- organized nanoislands ... images of SiGe thin films with a 900°C annealed and Ar plasma, b 900°C annealed and Ar plasma c 2-D and d 3-D AFM images of the self- organized nanogrids (a) removing the defective self- organized ... account for the formation of the self- organized nanoislands arrays by thermal annealing, but also has indicated a very efficient method of producing the much desired self- organized nano-grids (SONGs)...

Ngày tải lên: 21/06/2014, 17:20

... flower -like architectures of SbBiS3 have a highly regular sphere -like morphology, which is obviously different from that of Sb1.6Bi0.4S3 The sphere -like structure with 123 an average diameter of ... diameter of *80 nm The overall morphology of the SbBiS3 is shown in Fig 3c It can be seen that similar to the Sb1.6Bi0.4S3, the SbBiS3 products also consist of a large number of flower -like 123 ... preparation of bismuth and antimony ternary sulfides The overall morphology of the Sb1.6Bi0.4S3 is shown in Fig 3a, which illustrates that the obtained products consist of a large number of flower-like...

Ngày tải lên: 22/06/2014, 00:20

... bunch -like bismuth electrode 123 400 Nanoscale Res Lett (2010) 5:398–402 Fig a SEM image of Bi nanowires embedded in AMM and grown out of the membranes b SEM image of the bunch -like Bi composed of ... the bunches and the nests of the bunch -like bismuth microstructure The growth of these Bi nanoparticles proceeds to nanowires, self- assembly, and finally to the bunch -like bismuth, which is depicted ... stripping voltammetric performance of this bunch -like bismuth electrode compares favorably with that of common mercury-based electrodes The higher sensitivity of the bunch -like bismuth electrodes makes...

Ngày tải lên: 22/06/2014, 00:20

... coexistence of both pairs of doubletlike solutions (m* = (m1, 0) and (0, m2)) expresses the occurrence of rectangular faceting which identies the RM pattern Quartet -like solutions of the form ... Finally, the observation of the scaling law of the lateral correlation and of the interface width (rms roughness) of the rhomboidal pyramids and of the LTR ripples as a function of the irradiation ... production rate of adatoms can be achieved either through an increase of e (which affects the number of adatoms produced per impact event) or through an increase of f (which modies the rate of single...

Ngày tải lên: 22/06/2014, 18:20

... understanding of the effects of diacerein/rhein on OA subchondral bone metabolism and cells (osteoblasts and osteoclasts) As bone resorption is mediated by several processes, including the synthesis of ... osteoclasts (Figure 1) Effect of diacerein/rhein on metalloprotease-13 synthesis in osteoarthritis subchondral bone As illustrated in Figure 2, the synthesis of MMP-13 in subchondral bone explants (n = ... The inhibition of subchondral bone 17 18 19 20 21 22 resorption in the early phase of experimental dog osteoarthritis by licofelone is associated with a reduction in the synthesis of MMP-13 and...

Ngày tải lên: 09/08/2014, 10:23

... defined as P values of less than 0.05 Results Activation of bone morphogenetic protein signaling in collagen- induced arthritis Activation of BMP signaling during the course of CIA was visualized ... an intraperitoneal booster injection of 100 μL of CII (2 mg/mL) At day 25, the onset of arthritis was synchronized by an intraperitoneal injection of 100 μL of lipopolysaccharide (500 μg/mL in ... expression levels are likely to be influenced by the decreased number of cells in the cartilage, due to chondrocyte cell death during collagen- induced arthritis Activation of bone morphogenetic...

Ngày tải lên: 09/08/2014, 13:22

... meta-ethnographic approach to the synthesis of qualitative data in order to develop an evidence base In a series of qualitative studies of aspects of self- management, the use of information and how patients ... expectancies of psychological therapy and their experience of the guided self- help The effective implementation of 'minimal interventions' requires an understanding of the expectancies of patients ... step of the analysis, the secondary analysis, identified four key concepts relating to information: type of prior information seeking, timing of the provision of information, role of the professional...

Ngày tải lên: 11/08/2014, 16:21

... the deletion of the whole NLS domain may allow for the expression of a large amount of the Cap protein However, the NLS plays an important role forming the self assembly of Cap -like particles ... feature of VLPs will likely contribute to the effectiveness of its use in vaccination as a strategy for controlling diseases [21-24] Figure TEM images of recombinant Cap protein VPLs of PCV2 ... elements of the capsid protein for selfassembly into empty virus -like particles of hepatitis E virus J Virol 2005, 20:12999-13006 doi:10.1186/1743-422X-7-166 Cite this article as: Yin et al.: Self- assembly...

Ngày tải lên: 12/08/2014, 04:20