Báo cáo khoa học: " CyberKnife® radiosurgery in the treatment of complex skull base tumors: analysis of treatment planning parameters" potx

... complications in the treatment of skull base lesions with adjacent critical structures. These general principles have found acceptance in the treatment of other sites with radiation therapy [23,24]. When ... calculate indices for each individual lesion. Of the remaining lesions, 46 were categorized into the complex, skull base tumor group. A complex skull b...

Ngày tải lên: 09/08/2014, 10:21

... [17]. The A and B iso- forms are typical members of the NR family, differing only in the N-terminal end of the variable A ⁄ B domain. The third mosquito isoform, AaHNF-4C, lacks the greater part of ... female mosquitoes. They isolated several clones that code for a single protein. Interestingly, during the initial process of identifying the NR family members in th...

Ngày tải lên: 18/02/2014, 13:20

... interpretation in distinguish- ing interacting from noninteracting proteins. One Fig. 1. Schematics of library designs. The helical wheel diagram looks down the axis from the N-terminus to the C-terminus. ... date [20]. AP-1 folding Further insight into the structural determinants of sta- bility arose by dissecting the folding pathway of four Jun-based leucine zipper varia...

Ngày tải lên: 18/02/2014, 13:20

... to the complete mineraliza- tion of the pyrrolidine ring of nicotine, which after oxidation by 6-hydroxy-l-nicotine oxidase, is cleaved off from the pyridine ring of nicotine in the form of CH 3 -4-aminobutyrate. ... expression of these genes depends on the presence of nicotine in the growth medium and we have determined the enzyme activities of the proteins....

Ngày tải lên: 19/02/2014, 07:20

... T n are the cumulative numbers of the bases A, C, G and T, respectively, occurring in the subsequence from the first base to the n-th base in the DNA sequence inspected. Here, z n is one of the compo- nents ... versa, indicating a mosaic structure of the chromosomes. A jump in the Àz 0 n curve indicates an increase of the G + C con- tent; whereas a drop do...

Ngày tải lên: 19/02/2014, 07:20

... investigate the develop- ment of neuropathology in SE [6]. Despite numerous studies clearly indicating the importance of enzyme activity in the epileptic phenomenon, the mechanisms by which these ... not die within 24 h of observation. Determination of lipid peroxidation and nitrite content For all of the experimental procedures, 10% (w ⁄ v) homo- genates of the ar...

Ngày tải lên: 19/02/2014, 16:20

... productive binding of steroid substrates: in the first, a (small) sub population of enzyme binds directly the steroid in the reactive conformation, with the remainder of the enzyme binding the unreactive conformation. ... unusual in having two histidine residues (rather than the His-Asn pair seen in OYE, MR and some of the other member proteins; Fig. 1B) in t...

Ngày tải lên: 20/02/2014, 02:21

... wild-type protein at 0 h). Nevertheless, it could also be explained by changes in translation or maturation of the protein. An increase was also observed in the rate of degradation of the remaining mutant ... of the signaling event. In particular, the rapid degradation of signaling proteins by the protea- some ⁄ ubiquitin system appears to play an important role i...

Ngày tải lên: 20/02/2014, 03:20

... 14.635 lmolÆmin )1 Æmg protein )1 . The inset in (A) repre- sents the linear transformation of the curve. (B) Mg 2+ dependency was determined as described in (A) in the presence of increasing concen- trations ... determined by incubating the diluted recombin- ant proteins in the standard reaction mixture in the presence of increasing concentrations of PP i (0.0...

Ngày tải lên: 20/02/2014, 11:20

... and control of the underlying applica- tion. Figure 1 shows screen shots of the COMIC interface. There are four main phases in the demonstra- tor. First, the user specifies the shape of their own ... Speech- plans: Generating evaluative responses in spoken dia- logue. In Proceedings of INLG 2002. Michael White. 2004. Reining in CCG chart realization. In Proceedings...

Ngày tải lên: 20/02/2014, 15:20