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Online since: October 2012
Authors: A. Sheela, Poonam R. Inamdar, Jyotsna Hazarika, T.B. Sridharan
Thakor et al. in 2010 [6] has reported the mixed ligand complexes of Zn(II) using substituted acetophenones and Schiff bases formed from ethylene diamine and anisaldehyde as DNA cleaving agents for Calf Thymus DNA.
Similarly, Neelkantan et al. in 2008 [7] have used o-phthalaldehyde and amino acids as mixed ligands for the chelation of Cu (II), Co (II) and Zn (II).
Prathapchandra Kurup et al. reported the Zn (II) metal complexes of thiosemicarbazones as anti-infective agents in 2003 [8].
Abd El Wahed, E.M.
Similarly, Neelkantan et al. in 2008 [7] have used o-phthalaldehyde and amino acids as mixed ligands for the chelation of Cu (II), Co (II) and Zn (II).
Prathapchandra Kurup et al. reported the Zn (II) metal complexes of thiosemicarbazones as anti-infective agents in 2003 [8].
Abd El Wahed, E.M.
Online since: March 2013
Authors: Anirut Chaijaruwanich, Wasawat Nakkiew, Muhammadsarn-ii Baru
Li et al. [16] revealed that processing parameters including nozzle size, nozzle-to-substrate distance, flow rate and applied voltage, affected the quality of the deposited significantly.
Simulated body fluid (SBF) used for bone bioactivity test due to its ion composition closely resembling that of human blood plasma was prepared in accordance to the Kokubo et al. [17] formulation, by dissolving reagent-grade chemicals: sodium chloride, sodium hydrogen carbonate, potassium chloride, di-potassium hydrogen phosphate trihydrate, magnesium chloride hexahydrate, calcium chloride dihydrate and tri-hydroxyl-methyl aminomethane in deionised water, and buffering at pH value 7.35 and temperature 37 °C with 1 M aqueous hydrochloric acid.
The ability of the HA coatings to induce apatite films on their surface was investigated according to Thian et al. [18].
[9] E.L.
Simulated body fluid (SBF) used for bone bioactivity test due to its ion composition closely resembling that of human blood plasma was prepared in accordance to the Kokubo et al. [17] formulation, by dissolving reagent-grade chemicals: sodium chloride, sodium hydrogen carbonate, potassium chloride, di-potassium hydrogen phosphate trihydrate, magnesium chloride hexahydrate, calcium chloride dihydrate and tri-hydroxyl-methyl aminomethane in deionised water, and buffering at pH value 7.35 and temperature 37 °C with 1 M aqueous hydrochloric acid.
The ability of the HA coatings to induce apatite films on their surface was investigated according to Thian et al. [18].
[9] E.L.
Online since: October 2012
Authors: Ramasamy Jayavel, Ayyaswamy Arivarasan, Sasikala Ganapathy
The particle sizes of above mentioned CdTe QDs were calculated according to the literature [12] (Strzalkowski, et al. 1976, Banerjee 2000, El Moussaouy, et al. 2006).
[9] Gao, M.Y., Kirstein, S., Möhwald, H., Rogach, A.L., Kor-nowski, A., Eychmüller,A., Weller, H., “Strongly photo-luminescent CdTe nanocrystals by proper surface modifi-cation”, J.
[9] Gao, M.Y., Kirstein, S., Möhwald, H., Rogach, A.L., Kor-nowski, A., Eychmüller,A., Weller, H., “Strongly photo-luminescent CdTe nanocrystals by proper surface modifi-cation”, J.
Online since: June 2007
Authors: Yun Soo Lim, Sook Young Moon
For example, Matijevic et al. [6] prepared uniform
spherical rutile particles by forced hydrolysis of Ti(IV) ion at 98°C in highly acidic media in the
presence of sulfate ion.
The anatase phase was al so found to be involved with increasing sulfate concentration.
Barringer and Bowen [7] and Ogihara et al. [8, 9] prepared uniform amorphous titania speres on the order of submicrometers by the hydrolysis of titanium tetraethoxide in ethanol or a mixed solvent of acetonitrile and octanol in sol-gel systems.
El-Sayed: Annu.
The anatase phase was al so found to be involved with increasing sulfate concentration.
Barringer and Bowen [7] and Ogihara et al. [8, 9] prepared uniform amorphous titania speres on the order of submicrometers by the hydrolysis of titanium tetraethoxide in ethanol or a mixed solvent of acetonitrile and octanol in sol-gel systems.
El-Sayed: Annu.
Online since: January 2011
Authors: Saeid Hadidi-Moud, David John Smith
The concept was extended to describe the impact of local plasticity and geometrical nonlinearities on the response of structures by Kasahara et. al. [2,3].
Recently Aird et. al. [4], Hadidi-Moud and Smith [5] and Smith et. al. [6] used benchmark model structures and performed experimental studies that illustrated the dependence of EFU on the relative stiffness of structural components.
References [1] E.L.
Recently Aird et. al. [4], Hadidi-Moud and Smith [5] and Smith et. al. [6] used benchmark model structures and performed experimental studies that illustrated the dependence of EFU on the relative stiffness of structural components.
References [1] E.L.
Online since: November 2014
Authors: Jun Zhao, Xiao Zhi Zhao, Ming Hui Ge, Qing Song An, Fei Bo Wang, Liu Hua Gao
Akiya et al[6].studied the dispersion ability of non-ionic and anionic surfactants, namely, poly(oxyethylene) sorbitan dioleate and poly(oxyethylene) alkylether phosphate.
Smith[14]saved ice slurry adiabatically for 5 hours, Dai Kitamoto et al[11] made it 8 hours, and P.
Leclèére at el: Chem Sci Vol. 3 (2012), p.1408–1416
[11] Kitamoto, Dai. et al:Biotechnol.
Smith[14]saved ice slurry adiabatically for 5 hours, Dai Kitamoto et al[11] made it 8 hours, and P.
Leclèére at el: Chem Sci Vol. 3 (2012), p.1408–1416
[11] Kitamoto, Dai. et al:Biotechnol.
Online since: January 2014
Authors: Michel Picanço Oliveira, Amanda Luiza Bezerra Sandes Martins, Verônica Scarpini Cândido, Sergio Neves Monteiro, Raissa de Almeida Gouvêa
The sugarcane bagasse fiber, here denoted as bagasse fiber for short, presents the physical and structural characteristics shown in Table 1 from the work of Satyanarayana et al. [19].
Adapted from Satyanarayana et al [19] α –Cellulose [%] Hemi-Cellulose [%] Lignin [%] Cell Length [mm] Crystalli-nity [%] Density [g/cm³] Elastic Modulus [GPa] Ultimate Tensile Strength [MPa] Total Strain [%] 54.3-55.2 18.8-29.7 25.3-24.3 0.8–2.8 47 0.45-0.49 27.1 222 1.1 Experimental Procedure The materials used in this investigation were a relatively long bagasse fiber, obtained from roll-pressed sugarcane stalks after all juice has been extracted, as well as a diglycidyl ether of the bisphenol–A (DGEBA) epoxy resin with 187.3 g/equiv.
Hischier, A.L.
El-Zawawy, M.M.
Adapted from Satyanarayana et al [19] α –Cellulose [%] Hemi-Cellulose [%] Lignin [%] Cell Length [mm] Crystalli-nity [%] Density [g/cm³] Elastic Modulus [GPa] Ultimate Tensile Strength [MPa] Total Strain [%] 54.3-55.2 18.8-29.7 25.3-24.3 0.8–2.8 47 0.45-0.49 27.1 222 1.1 Experimental Procedure The materials used in this investigation were a relatively long bagasse fiber, obtained from roll-pressed sugarcane stalks after all juice has been extracted, as well as a diglycidyl ether of the bisphenol–A (DGEBA) epoxy resin with 187.3 g/equiv.
Hischier, A.L.
El-Zawawy, M.M.
Online since: September 2008
Authors: Thierry Chassagne, Olivier Tottereau, Yvon Cordier, Marc Portail, Sébastien Chenot, Marcin Zielinski
However, the high reactivity of silicon with the different compounds frequently used for the growth of
nitrides (Ga, Al, H2, NH3…) makes the substrate preparation and the nucleation more delicate [6] than
on a substrate like SiC, and GaN on Si suffers from a risk of crack generation due to the tensile stress
induced by the large lattice mismatch (17%) and the thermal expansion coefficient difference (55%)
between GaN and Si.
The integration of the capacitance from pinch-off up to 0V shows sheet carrier densities in agreement with expected values for the considered aluminum contents in the barrier, i.e., 7x10 12 cm-2 and 1.1x1013 cm-2 for Al molar fractions of 25 and 29% respectively.
For comparison, structures grown on bulk Si(111) with an Al molar fraction of 28% exhibit a carrier density of 8x10 12 cm-2 and electron mobility varying between 1590 and 1890 cm²/V.s. 1.E+13 1.E+14 1.E+15 1.E+16 1.E+17 1.E+18 1.E+19 1.E+20 1.E+21 0.0 1.0 2.0 depth (µm) N (cm-3) 1KHZ 100KHZ 2DEG GaN Conclusion In summary, GaN based HEMT heterostructures have been grown on Si(111) with intermediate 3C-SiC layers.
Johnson, E.L.
The integration of the capacitance from pinch-off up to 0V shows sheet carrier densities in agreement with expected values for the considered aluminum contents in the barrier, i.e., 7x10 12 cm-2 and 1.1x1013 cm-2 for Al molar fractions of 25 and 29% respectively.
For comparison, structures grown on bulk Si(111) with an Al molar fraction of 28% exhibit a carrier density of 8x10 12 cm-2 and electron mobility varying between 1590 and 1890 cm²/V.s. 1.E+13 1.E+14 1.E+15 1.E+16 1.E+17 1.E+18 1.E+19 1.E+20 1.E+21 0.0 1.0 2.0 depth (µm) N (cm-3) 1KHZ 100KHZ 2DEG GaN Conclusion In summary, GaN based HEMT heterostructures have been grown on Si(111) with intermediate 3C-SiC layers.
Johnson, E.L.