Báo cáo hóa học: " Electronic Structure of a Hydrogenic Acceptor Impurity in Semiconductor Nano-structures" ppt

... numerical results for the electronic structure and binding energy of a hydrogenic acceptor impurity in several typical GaAs/Ga 1–x Al x As nano-structures. We take the material parameters from Ref. [12]. ... the calculation of the electronic structures and binding energy levels of a hydrogenic acceptor impurity in semiconductor nano-structures of other shap...

Ngày tải lên: 22/06/2014, 18:20

... the main part of this paper, QX and GY corrected the main theorems. XL participated in the design and coordination. All authors read and approved the final manuscript. Competing interests The authors ... corresponding results obtained in the references (Li in J Math Anal Appl 312:103-111, 2005; Berenhaut et al. Appl. Math. Lett. 20:54-58, 2007; Papaschinopoulos and Schinas J Math Anal...

Ngày tải lên: 20/06/2014, 22:20

... not do any exact or approximate analytical performance analysis. In this article, the performance of cognitive RSS-WLS approach of [4] in an AWGN channel has been ana- 2 lyzed by obtaining the ... variance of any unbiased estimator of a deterministic parameter. RSS-based algorithms try to estimate location and power of a primary user using RSS measurements of the secondary...

Ngày tải lên: 21/06/2014, 17:20

... 8) Number of ion pairs a 88 10 Number of hydrogen bonds Main chain–main chain 152 157 161 Main chain–side chain 87 68 76 Side chain–side chain 23 10 30 Total 262 235 267 Exposed surface area b (A ˚ 2 ) ... sta- tistical approaches analysing structural parameters in large samples of dissimilar proteins regarding the origin and temperature range, do not show significant trends regard...

Ngày tải lên: 19/02/2014, 16:20

... 1.14 A ˚ (CcCel6C–HjeCel 6A, 1QK0 chain A) and 1.30 A ˚ (CcCel6C–HinCel6B, 1DYS chain A) for main chain atoms. The significant feature in cellobiohydrolases HjeCel 6A and HinCel 6A is their active ... ligand binding produces a conformational change that narrows this tunnel. In contrast, the tunnel remains wide in CcCel6C and the con- formational change appears to be less favou...

Ngày tải lên: 15/03/2014, 10:20

... cephalexin, and cefazolin) and five penicillins (benzylpenicillin, ampicillin, carbenicillin, oxacillin, and cloxacillin) were determined for the TAE4 b-lactamase and compared with those of the enzymes ... the known class C b-lactamases structures, with an all -a domain and an a ⁄ b domain with the active site Ser64 located in a depression between the two domains at the N-terminus of...

Ngày tải lên: 23/03/2014, 07:20

... Interaction between staphylokinase, plasmin(ogen), and alpha 2 -antiplasmin. Recycling of staphylokinase after neutralization o f the plasm in- staphylo- kinase c omplex by a lpha 2 -antiplasmin. J. Biol. ... J. & Kerdsinchai, P. (1997) A pilot randomized co ronary pate ncy t rial of double-bolus recombin ant staphylokinase versus front-loaded altteplase in acute myocardial inf...

Ngày tải lên: 23/03/2014, 21:21

... region and the remaining 1.8% nonglycine residues located in the ‘additionally allowed’ regions of the Ramachandran plot. Crystal packing – head-to-tail packing The parent protein, CTPR3, crystallized ... of stable alpha-helical arrays from an idealized TPR motif. Structure 11, 497–508. 4 Cortajarena AL & Regan L (2006) Ligand binding by TPR domains. Prot Sci 15, 1193–1198. 5 Cort...

Ngày tải lên: 29/03/2014, 08:20

... TASDAAAAAAL TAANAKAAAEL TAANAAAAAAA TAR VVVV2KE D VASDAKAAAEL VAANAKAAAEL VAANAKAAAEA VARCONH 2 1260 E. Liepinsh et al. (Eur. J. Biochem. 269) Ó FEBS 2002 observed in the concentration range 0.1–2 ... was obtained in test calculations, and a short distance restraint was artificially introduced between Ala14 H a and Lys19 H N , at the expense of an increased number of distance-restr...

Ngày tải lên: 31/03/2014, 21:21

... Cascinu S, Giordani P, Agostinelli R, Gasparini G, Barni S, Beretta GD, Pulita F, Iacorossi L, Gattuso D, Mare M, Munao S, Labianca R, Tode- schini R, Camisa R, Cellerino R, Catalano G: Pain and ... exploratory factor analysis was performed on one half of the data, and the fitness of the plausible model was examined in the other half of the data using a confirmatory factor analysis....

Ngày tải lên: 18/06/2014, 18:20