Báo cáo khoa học: "Determination of patient-specific internal gross tumor volumes for lung cancer using four-dimensional computed tomography" pptx

... delineating patient-specific internal gross target volumes (IGTV) from four-dimensional (4-D) computed tomography (CT) image data sets used in the planning of radiation treatment for lung cancers. Methods: ... delineation in lung cancer. Background Lung cancer remains the leading cause of cancer- related mortality. Conventional photon radiotherapy for lung ca...

Ngày tải lên: 09/08/2014, 09:22

... incubation of cells with MbCD for 5 min. Measurement was also performed after incubation of cells for 30 min with 5 mm MbCD; in both cases, no modification of the rate of MRP1- mediated efflux of GSH ... characteristic of the MRP1-mediated efflux of PIRA. However, further depletion yielded a decrease of the ratio. Effect of cholesterol depletion on the rate of MRP1-mediat...

Ngày tải lên: 30/03/2014, 09:20

... €/bag. The list of c osts for external and internal procedures is reported in Table 3 per bag. The cost of the implementation of the internal proce- dure was 144,24 € and included the cost of the box ... made of Polymethylmethacrylate (PMMA). The PMMA box of 24 × 24 × 5.5 cm 3 is large enough to accommodate a maximum of 4 bags of packed RBCs or 10 bags of platelets (Fi...

Ngày tải lên: 10/08/2014, 10:20

... useful tool for selecting patients who might benefit from breathing adapted RT. Keywords: Lung cancer, radiotherapy, 4D-CT, gating Introduction Lung cancer is the first cause of cancer death ... aiming to correct for tumor motion potentially leading to a better conformality of RT: tumor tracking, synchronizing the beam-on/beam-off time with respira- tory mo tion (gating),...

Ngày tải lên: 09/08/2014, 09:20

... the absence of the dimeric form of CTX, as the hetero- dimer was present in the case of TRX II. Observation of noncovalent protein–inhibitor complexes The formation of noncovalent protein–inhibitor ... obtained at each charge state for both the glycosylated and nonglycosylated protein forms. The same was observed for CTX. Therefore, the subsequent analyses for the calculation...

Ngày tải lên: 07/03/2014, 17:20

... suggesting that it can be useful for evaluating the reopening temperature for a DNA hairpin in a local region of DNA, and for comparing the reopening temperatures for a group of hairpin structures when ... of a hairpin structure formed in template DNA on DNA primer annealing and DNA polymerase-catalysed primer extension, a novel method for measuring the reopening temperature...

Ngày tải lên: 23/03/2014, 13:20

... deviation of triplicate assays. For the determination of apparent k cat values, experiments were performed at a saturating concentration of NADPH (200 l M ), over a wide range of concentrations of the ... values of )315 ± 5 mV for the oxidized/semiquinone cou- ple, and )365 ± 15 mV for the semiquinone/hydroquinone couple. Fig. 5. Spectral changes during redox titration of...

Ngày tải lên: 23/03/2014, 21:20

... 80-88% of words becomes syntactically unambiguous. The error rate of parser is 1-4% depending on the ambiguity rate of input. The main goal of this work is to elaborate an efficient parser for ... boundaries, and identification of syntactic func- tions of words. This article focuses on the last module in detail. Grammatical features of words are presented in the forms...

Ngày tải lên: 24/03/2014, 03:21

... are indebted to Professor J. C. Paulson for his gift of a2–3- sialyltransferase, to Professor H. Kessler for his support, to Dr S. Namirha for helpful discussion, and to B. Hofer for skilful technical assistance. ... plant Fig. 7. Illustration of major aspects of the conformational ensembles of sialylated derivatives of the biantennary nonasaccharide Bi9 (A) and of the dec...

Ngày tải lên: 30/03/2014, 13:20

... hydration for each enzyme, using the respective optimum metal ion cofactor, are similar. For example, the K m value of 41 lm and k cat of 450 s )1 were reported for MhpD with Mn 2+ cofactor [7], ... was followed: 94 °C for 2 min, followed by 30 cycles of 94 °C for 30 s, 50 °C for 30 s, and 68 °C for 1 min and finally 68 °C for 10 min. The amplified fragment was purified...

Ngày tải lên: 30/03/2014, 15:20