Báo cáo hóa học: " Electrical characterisation of deep level defects in Be-doped AlGaAs grown on (100) and (311)A GaAs substrates by MBE" docx

... 61:10361. doi:10.1186/1556-276X-6-180 Cite this article as: Mari et al.: Electrical characterisation of deep level defects in Be-doped AlGaAs grown on (100) and (311)A GaAs substrates by MBE. Nanoscale Research Letters 2011 ... [11,12]. Conclusion In summary, we studied the effect of different Be-doping concentrations in AlGaAs layers grown on...

Ngày tải lên: 21/06/2014, 05:20

... analysis of their neighbouring points; a nd (2) to further eliminate the effects of instrumental errors and noises, we examine only t he non-abrupt and rela- tively smooth regions (e.g., I, II and ... nanocrystals exhibit transitions of both direct and indirect types. Possible mechanisms of absorption and emission as well as an estimation of exciton bindi ng energy are als...

Ngày tải lên: 20/06/2014, 23:20

... of the sponge, resulted in increased expression of Col X mRNA by chondrocytes in that region. Conclusion: These findings suggest that the threshold of chondrocyte sensitivity to inducing type X ... end region of a sponge. However, the strain in the central region of the sponge was nearly constant. This constant strain in the central region was consistently 1/2 of the ove...

Ngày tải lên: 20/06/2014, 00:20

... http://www.virologyj.com/content/4/1/122 Page 9 of 12 (page number not for citation purposes) acids, arginine and threonine, before the second start codon, and a phenylalanine, instead of tyrosine, at resi- due ... Commission for the control of FMD recommend, in the absence of an homologous vaccine strain, the use of the widely available A22 Iraq strain as vaccine [6]. For an...

Ngày tải lên: 20/06/2014, 01:20

... 417°C, and 421°C, respectively. The T c increased with increasing sintering temperature owing to considerably increase the K ratio in the A-site of NKN ceramics. This phenomenon of gradually increasing ... have been sintered at various sintering temperatures. The effects of the sintering temperatures on the structural and electrical properties were investigated. Increasin...

Ngày tải lên: 20/06/2014, 23:20

... explanation given is that FGS has higher aspect ratio than EG. • Conduction by electron tunneling. In addition to conduction by electron transport across contact points, conductivity in CNT/polymer ... explained by considering several phenomena that happens simultaneouslyinthecompositesystem: breakdown of existing conductive paths, formation of new conductive paths and change...

Ngày tải lên: 21/06/2014, 03:20

... explained by a combination of Sheng’s fluctua- tion induced tunneling and 1D variable range hopping models [20 ]. Percolation in a 2D MWCNT network [24] is strongly influenced by the MWCNT sizes and ... mild and strong conditions. Strong oxidation conditions produce partially damaged nanotubes. Conse- quently, their conducti vity dec reases and the percolatio n threshold incre...

Ngày tải lên: 21/06/2014, 06:20

... involved in the formation and maintenance of the histo-architecture. [19] 103 Plasmonogen activator inhibitor-2 (PAI-2) Involved in the regulation and inhibition of binding between urokinase-type ... Hamburg). For evaluation, a non-linear stand- ard curve with protein concentrations of 0.2, 1, 2 and 5 mg/ml was used. Control material from Boehringer Man- nheim (Precinorm prote...

Ngày tải lên: 18/06/2014, 15:20

... VASP, and ZYX). Integrins have been shown to mediate the activation of TGFβ [41] and TGFβ is known to regulate the expression of cell adhe- sion molecules including integrins [42,43]. Interestingly, the ... SE, Lu Y, Hines LM, Koundinya M, LaBaer J, Muth- uswamy SK, Brugge JS: Cooperation of the ErbB2 receptor and transforming growth factor beta in induction of migration and...

Ngày tải lên: 18/06/2014, 15:20

... result of a high expression level of ZAP-70 in the CLL component, but also of a low expres- sion level of ZAP-70 by residual T cells. Previous studies Figure 4 ZAP-70 expression in the validation ... Italy. 3 Division of Hematology - Department of Clinical and Experimental Medicine & BRMA - Amedeo Avogadro University of Eastern Piedmont, Novara, Italy. Authors’ c...

Ngày tải lên: 18/06/2014, 16:20