Molecular dynamics simulations of the tensile and melting behaviours of silicon nanowires

... 2008 PACS: 61.46.Km 62.25.Àg 65.80.+n Keywords: Si nanowires Molecular dynamics Tension Melting behaviour abstract The tensile and melting behaviours of single crystalline silicon nanowires (SiNWs) are studied using molecular dynamics simulations. ... Molecular dynamics simulations of the tensile and melting behaviours of silicon nanowires...

Ngày tải lên: 16/03/2014, 15:18

... Portlandian and Volgian ammonites, CASEY has revised the dating of the Spilshy Sandstone the basement bed or whic,h he regards as the equivalent of thc npper part of the Portland Beds of ... southern England. If, with ARKELL (1946, pp. 24-28), we place the Portland Beds in the upper part of the Lower Volgian, they, the Laugeitcs Beds and t.he basement...

Ngày tải lên: 17/02/2014, 20:20

... lesser of 10% of the value of the gift and $75, then the value of the advantage is considered to be zero. For example, if the price to attend the benefit dinner is $200 and the value of the dinner ... dinner, the value of the dinner is $40 and the value of a gift bag received is $45, then the total advantage is $85 or 85% of the ticket price...

Ngày tải lên: 19/02/2014, 03:20

... in the biosynthesis of these structures and may lead to the discovery of potential therapeutic targets. In addition, the correlation of carbohydrate structure with gene complement will aid in the ... b(1–4) even in the absence of the b-fructose branch at position C-3 of the glucuronosyl residue [52]. There have been increasing reports in the literature describing...

Ngày tải lên: 21/02/2014, 01:21

... THE SAND-STORM IV - THE PANS AND THE POISON FLOWERS V - I LOSE INYATI VI - THE CRATER THE PLEASANT BERRIES SLEEP AND THE AWAKENING VII - THE COUNTRY OF CRATERS, THE PATH OF SKULLS, AND THE ... into the open country, past the huge flat-topped mountains of Ombokoro, the fastness of the Berg Damaras, thence following the dry river-bed of the Om- Ma...

Ngày tải lên: 06/03/2014, 03:21

... 2¢-deoxy- ribonucleotides and are essential for de novo DNA biosynthesis and repair, regulating other enzymes in the DNA synthesis pathway via control of the nuc- leotide pool [1]. Of the four known classes of RR (Ia, ... examine the enantioselectivity of the allosteric and substrate bind- ing sites of murine ribonucleotide reductase (mRR). l-ADP binds to the activ...

Ngày tải lên: 07/03/2014, 17:20

... C-terminus, C c of Asp and C d of Glu, and O g of Tyr. Positive unit charges were added at the following atoms: N t of the N-terminus, N f of Lys, C f of Arg, and N d or N e of His (depending on the position ... identified as the site of interaction with AKAP proteins [5,6]. The symmetry axis of the dimer is along the y-axis shown in the Figure. Figure 4...

Ngày tải lên: 08/03/2014, 22:20

... near the N-terminus of helix I of the domain and the three residues in loop L2 contributing to the E3-binding site. Backbone dynamics of PSBD The region (Met132 to Ser134) before the start of helix ... dihydrosuccinyltransferase chain of the 2-oxoglutarate dehydrogenase complex of E. coli [12] and of the dihydroacetyltransferase chain of the PDH complex...

Ngày tải lên: 16/03/2014, 18:20

... in MALDI-TOF- MS measurements, indicating a molecular mass of 56 607  6 0 D a. The molecular mass of the transferase increased by 750 Da when the enzyme was incubated i n the presence of 100 l M propionyl-CoA ... 553 Da and a n isoelectric point of 4.9 1 was predicted for the encoded p rotein. B oth values w ere in agreement with the observed molecular mass and...

Ngày tải lên: 17/03/2014, 17:20

... reduce the cost of synthesis (arginine is very expensive). The second analogue, BM-2, was designed in such a way that the relative importance of the rigidity and charge at the turn of the b-hairpin ... to that of native PG-1 and IB-367 (Fig. 3C, D). The structures of BM-1 were well defined in the backbone, with rmsd values of the Ca atoms of all residues of...

Ngày tải lên: 22/03/2014, 21:20