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In Situ Synthesis of SiO2 Nanoparticles by Sol-Gel Method on Cotton Fabrics and Investigation of Their Physical and Chemical Properties Sheila Shahidi1,a, Hakimeh Mohammadbagherloo2,b, Seyedmohammad Elahi2,c, Sanaz Dalalsharifi3,d, Rattanaphol Mongkholrattanasit4,e* 1Department of Textile, Arak Branch, Islamic Azad University, Arak, Iran 2Depertment of Physics, Science and Research Branch, Islamic Azad University, Tehran, Iran 3Department of Textile, Science and Research Branch, Islamic Azad University, Tehran, Iran 4Department of Textile Chemistry Technology, Faculty of Industrial Textiles and Fashion Design, Rajamangala University of Technology Phra Nakhon, Bangkok, Thailand asheila.shahidi@gmail.com,bmohammadbagherloo.hakimeh@gmail.com, csmohammad_elahi@yahoo.com, dssana6470@yahoo.com,erattanaphol.m@rmutp.ac.th Keywords: SiO2, Nanoparticle, Sol-Gel, Cotton, Fabric Abstract.
The XRD patterns showed the typical diffraction of amorphous SiO2 (Si-O short-order structure), also ICP analysis showed that by washing the fabrics, the nanoparticles are still present on the fabric, and this indicated the stability of the washing of the fabrics impregnated with the nanoparticles.
A typical wide peak observed at 2θ=22° displays the amorphous nature of synthesized nanoparticles due to the incomplete internal structure or smaller particle size effect of the spherical nanoparticles.
The Journal of Physical Chemistry B, 105 (29) (2001) 6755-6758

The results indicate that silicon leaches out of the lattice of the SiHA crystal structure but may also be reprecipitated onto the substrate.
Bone mineral has a similar structure to HA but is heavily substituted in carbonate in addition to a range of other elements including Na +, Mg 2+, Fe 2+, CO32 and Cl- .
We further investigated the effect silicon has on osteoblast like cells both in direct contact with the material and indirectly through leached silicon into the media in order to elucidate whether the mechanism of action of silicon is mediated predominantly via surface modification or a solution chemistry effect.
Subsequent investigation of the effects of medium and surface silicon availability in the semi-dynamic system on human osteoblast-like cells demonstrated that an increase in CICP production was coincident with the presence of silicon in the medium and decreasing trend, concomitant with the reduction of silicon after 10 days in the indirect group, further substantiating the earlier findings of Reffitt (15) and supporting the hypothesis that the mechanism of action of silicon is via a solution chemistry route.
Kokubo T, Kushitani H, Sakka S, Kitsugi T, Yamamuro T 1990 Solutions able to reproduce in vivo surface-structure changes in bioactive glass-ceramic A-W.

The resulting samples were then characterized by XRD to confirm their structures.
The structure and crystallinity of the products were determined with X-ray diffractometer (Bruker D8 Advance), using CuKα radiation.
All WO3 samples displayed a polycrystalline, monoclinic structure with three main peaks in 22° - 25° corresponding to the (002), (020) and (200) plane.
Wang, Highly stable copper oxide composite as an effective photocathode for water splitting via a facile electrochemical synthesis strategy, Journal of Materials Chemistry 22 (2012) 2456–2464
Al-Jassim, Electrochemical deposition of copper oxide nanowires for photoelectrochemical applications, Journal of Materials Chemistry 20 (2010) 6962-6967

Pore structure is also at nanoscale and exists among the particles [2].
This process strengthens the network structure of the gel.
Figure 6 shows a picture of the internal structure magnified to 20.00K times.
The hysteresis loop was D type, indicating that the pore structure was flat slit type.
Materials Chemistry and Physics Vol. 113(2009), p.485

Specialized applications require close control in chemistry and heat treatment parameters.
An attempt has been also made to arrive at a structure-property correlation in this grade of stainless steel.
Delta ferrite in the hardened structure is avoided to attain the desired properties.
This martensite will be untempered and may reduce the toughness of the tempered structure.
Martensitic Structures, Metallography and Microstructures, ASM Handbook, ASM International 9 (2004) 165–178

There are many advantages of the equipment, including the simple structure, the efficient separation effect and the high quality of the separation products.
The equipment has simple structure.
Niecikowska: submitted to Food Chemistry (2008)
Tou and J .Jaczynski: sumitted to Food Chemistry (2011)

The structure and performance of physicochemical characteristics of CS-DBSB and CS-DBSB-Zn were examined by FT-IR, elemental analysis, thermogravimetric (TG).
In chitosan structure predominates the glucosamine residues whose free amino groups at C-2 position permits be substituted to biopolymers with a large spectrum of applications [9,10,11,12].
Salen metal coordination-polymer, which originates from tert-butyl salicylaldehyde are confirmed applications in catalytic, biomedical and supramolecular chemistry [19,22,23,24,25,26].
In order to exploit its potential application of chitosan value in biomedical field, environmental protection, catalysis reaction and supramolecular chemistry, we prepared new chitosan schiff base and its Zn complexes in this study.

Structure and Magnetic Properties of Ti-Co Co-Cubstituted Barium Hexaferrite Zhengqiang Zhanga, Qinglin Xiab*, Guanghua Guo, Haifa Zhang and Cunjun Dong School of Physics and Electronics, Central South University,Changsha, 410083, P.R.
The particle structure and morphology of the products were characterized by XRD and FE-SEM.
The XRD patterns show that only one type of crystalline phase can be detected and the substitution did not change the crystal structure.
Since ferrites made by soft chemistry have higher coercivities and better homogeneity than those prepared by traditional ceramic route or other methods, we prepared the Ti-Co co-substituted M-type barium ferrite Ba(TiCo)xFe12-2xO19 by the citrate precursor method in this work.
Chen, Structure and multiferroic properties of barium hexaferrite ceramics, Journal of Magnetism and Magnetic Materials. 327 (2013) 87-90

In schema-level matching, we consider only the properties of schema elements, such as names, descriptions, data types, constraints and structures.
These techniques can be classified as follows: · Schema-level: available information includes name, description, data/relationship types, constraints and schema structure [2].
It is especially useful when we have limited or no schema knowledge, as is often the case for semi-structured XML data.
Note that, in solution chemistry, concentration and density are synonym, so they should match on the schema-level.
Again note that, in solution chemistry, concentration and density are synonym, so they should match on the schema-level.

Bi-layered perovskite structure was obtained.
Recently, bismuth layered structure ferroelectric materials have been widely used for memory applications.
SrBi2(Ta0.8Nb0.2)2O9 decarbonized at 1000°C for 2h or 3h have a single perovskite phase with layered structure.
SrBi2(Ta0.8Nb0.2)2O9 decarbonized at 1100°C for 3h contains a unknown phase besides the layered structure.
Bi-layered perovskite structure was obtained.