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Báo cáo khoa học: " Counting colonies of clonogenic assays by using densitometric software" pot

Báo cáo khoa học:

Báo cáo khoa học: " Counting colonies of clonogenic assays by using densitometric software" pot

... BioMed CentralPage 1 of 3(page number not for citation purposes)Radiation OncologyOpen AccessMethodology Counting colonies of clonogenic assays by using densitometric softwareMaximilian Niyazi*1, ... 50 cells which canoften only be determined microscopically. The process of counting colonies is very extensive workand so we developed software that is able to count the colonies automatically ... is ableto evaluate the clonogenic assays by using densitometric methods and other special parameters. This revealedhighly fitting results which were compared to manualcountings with the microscope.Procedure...
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Báo cáo khoa học:

Báo cáo khoa học: "Feedback Cleaning of Machine Translation Rules Using Automatic Evaluation" pot

... achieved by each of the following five methods was measured.1. BaselineThe MT results using the base rule set.2. Cutoff by FrequencyLow-frequency rules that appeared in the train-ing corpus less often ... ScoreNumber of RulesNumber of IterationsTest Corpus BLEU ScoreEvaluation Corpus BLEU ScoreNumber of RulesFigure 5: Relationship between Number of Itera-tions and BLEU Scores/Number of Rules2. ... input sentence, thesentence is first parsed by using source patterns of the transfer rules. Next, a tree structure of the tar-get language is generated by mapping the sourcepatterns to the corresponding...
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Tài liệu Báo cáo khoa học: Metabolic control of mitochondrial properties by adenine nucleotide translocator determines palmitoyl-CoA effects Implications for a mechanism linking obesity and type 2 diabetes pdf

Tài liệu Báo cáo khoa học: Metabolic control of mitochondrial properties by adenine nucleotide translocator determines palmitoyl-CoA effects Implications for a mechanism linking obesity and type 2 diabetes pdf

... control of fluxes and inter-mediates of oxidative phosphorylation not only by theANT but also by other components of oxidative phos-phorylation. Furthermore, we tested parts of the abovehypothesis ... adversely affect cellular function by directeffects on a variety of enzymes and induction of apoptosis [4].Tight regulation of intracellular concentrations of free LCACs by acyl-CoA-binding protein ... acknowledge this, using modular kinetic analysis, we established that the pri-mary cause of the effects of palmitoyl-CoA was inhibi-tion of the ANT. Assessment of the metabolic control of fluxes and...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "Unsupervised Segmentation of Chinese Text by Use of Branching Entropy" pdf

... 0.6 0.7 0.8 0.9 1 10 100 1000 10000 100000 1e+06size(KB)recallprecision434Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions, pages 428–435,Sydney, July 2006.c2006...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "Automatic Evaluation of Machine Translation Quality Using Longest Common Subsequence and Skip-Bigram Statistics" doc

... construction of N-best translation lexicons from parallel text. Melamed (1995) used the ratio (LCSR) between the length of the LCS of two words and the length of the longer word of the two ... score over N sets of N-1 refer-ences. The final score is the average of the N best scores using N different sets of N-1 references. The Jackknifing procedure is adopted since we often need to ... low recall by a factor of e(1-|r|/|c|), it would be nice if we can use the traditional recall measure that has been a well known measure in NLP as suggested by Melamed (2003). Of course...
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Báo cáo khoa học: Heterologous synthesis of cytochrome c¢ by Escherichia coli is not dependent on the System I cytochrome c biogenesis machinery ppt

Báo cáo khoa học: Heterologous synthesis of cytochrome c¢ by Escherichia coli is not dependent on the System I cytochrome c biogenesis machinery ppt

... harvested.Periplasmic extracts of these cells were obtained by the coldosmotic shock method [31], and then subjected toSDS ⁄ PAGE, followed by heme staining of the gels in orderto detect holo-cytochromes ... Determina-tion of the secondary structures of proteins by circulardichroism and optical rotatory dispersion. Biochemistry11, 4120–4131.16 Ren Z, Meyer T & McRee DE (1993) Atomic structure of a cytochrome ... the absence of pEC86do not confer the cytochrome c biogenesis ability tothe PH c552protein. This is possibly a result of theshortage of Ccm proteins, because the expression of ccm genes...
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Báo cáo khoa học: Increased expression of c-Fos by extracellular signal-regulated kinase activation under sustained oxidative stress elicits BimEL upregulation and hepatocyte apoptosis pot

Báo cáo khoa học: Increased expression of c-Fos by extracellular signal-regulated kinase activation under sustained oxidative stress elicits BimEL upregulation and hepatocyte apoptosis pot

... increased levels of c-Fos and basallevels of c-Jun. This idea is supported by the results of the ChIP assay, which indicated that both c-Fos andFig. 2. Increases in the expression of total and ... wasaccompanied by increased expression of BimEL, following activation of extracellular signal-regulated kinase. The aim of this study was to charac-terize the mechanism underlying hepatocyte apoptosis by ... apoptosis by knockdown of c-Fos or c-Jun. After transfection of c-Fos or c-Jun siRNA into hepatocytes,cells were incubated for 14 h, and then further incubated in the presence or absence of ATZ...
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Báo cáo khoa học: Dual modulation of prothrombin activation by the cyclopentapeptide plactin pptx

Báo cáo khoa học: Dual modulation of prothrombin activation by the cyclopentapeptide plactin pptx

... 3.Partial purification of plactin cofactor frombovine plasmaCitrated bovine platelet-poor plasma (490 mL) was frac-tionated using the method described by Cohn et al. [25].Most of the cofactor activity ... syn-thesized by mixing 1 mL of plactin-14 (1 mgÆmL)1inwater), 1 mL of dansyl chloride (4 mgÆ mL)1in acetone)and 90 mg of NaCO3overnight at ambient temperature.Plactin-14–Sepharose was prepared by ... previously [23]. Radio-iodination of scu-PA and prothrombin was performed by the IODO-GEN method [24], using carrier-free Na125Itoaspecific activity of 2000–3000 cpmÆ ng)1 of protein.Buffers used...
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Báo cáo khoa học:

Báo cáo khoa học: "Extracting Paraphrases of Technical Terms from Noisy Parallel Software Corpora" pot

... technique on top of theirs. The following provides a summary of their technique.Two types of paraphrase patterns are defined:(1) Syntactic patterns which consist of the POStags of the phrases. ... collection of software bug re-ports. Most large software projects have bug track-ing systems, e.g., Bugzilla1, to help global users todescribe and report the bugs they encounter when using the software. ... Set Our bug report corpus is built fromOpenOffice2. OpenOffice is a well-known opensource software which has similar functionalitiesas Microsoft Of ce. We use the bug reports thatare submitted...
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Báo cáo khoa học: Functional analysis of disease-causing mutations in human galactokinase potx

Báo cáo khoa học: Functional analysis of disease-causing mutations in human galactokinase potx

... inhibition studiesThe nature and magnitude of the inhibition by the productgalactose 1-phosphate was determined by observing theeffect of increasing concentrations of the compound on theapparent turnover ... in lens fibre cells cause the uptake of water by osmosis, swelling of the cells, cells lysis andultimately cataracts. The condition is treated by removal of galactose and lactose from the diet.Galactokinase ... (Fig. 3) with a turnover number (kcat )of8 .7s)1,Km,gal of 970 lMand Km,ATP of 34 lM. These values are of the same order of magnitude as previously reported for theyeast [23], rat [18,19]...
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