detection of zero subjects

Ngày tải lên: 31/03/2014, 21:20

Ngày tải lên: 18/06/2014, 19:20

... large inventory of normalized mathematical indexes of abnormality. It is the pattern of these mathematical indexes of abnormality, ob- tained from analysis of multiple cardiac cycles of the resting ... (0.86-0.903).(Figure 2). The coordinates of the curve confirmed that a cut-off score of 4.0 pro- vides the best combination of sensitivity and specific- ity for the prediction of relevant coronary stenosis ... assumptions about the distribution of the data (normal distribution) were not violated. Discussion The overall sensitivity of 91% and specificity of 85% of the MCG device in this meta-analysis...

Ngày tải lên: 03/11/2012, 10:58

Ngày tải lên: 05/09/2013, 08:40

... completely absent in sediment where high prevalence of bacteria was observed. Thus the negative results may be because of low detection efficiency Journal of Water and Environment Technology, Vol. 7, ... visualized by UV illumination. Evaluation of recovery rate of preparation method for viruses in sediment As a surrogate of RNA viruses, Sabin strain of Poliovirus type 1 was spiked into the sediment ... DISCUSSION Evaluation of recovery rate of preparation method for viruses in sediment Figure 4 shows recovery rates of RNA and DNA viruses. Recovery rate (geometric mean) of Poliovirus (RNA virus)...

Ngày tải lên: 05/09/2013, 10:15

Ngày tải lên: 05/09/2013, 10:15

Ngày tải lên: 26/10/2013, 17:15

... the combination of bands 5, 4 and 1 which is of great efficacy for the aims of our analysis. In Figures 1 and 2 the set of bands 5, 4 and 1 are depicted respectively for the month of May 1994 and ... algorithms for the detection of waste areas using LANDSAT TM images. It is worth of noting that the 30 meters spatial resolution of the Landsat-TM sensor makes the process of detecting waste ... and March 1997. The fusion of selected bands defines a three- dimensional feature space whose point coordinates represent the intensity values of each band; the detection of clusters in the feature...

Ngày tải lên: 16/01/2014, 16:33

... either 100 pg of DENV-1-, 1 ng of DENV-2-, 100 pg of DENV- 3- or 1 ng of DENV-4-infected C6 ⁄ 36 cells total RNA was used for cocktail PCR. The primer cocktail was composed of 100 nm each of 1G1P1, ... of a combination of 10 PCR primers to be used in a single high-sensitivity mixed PCR reaction for the detection of dengue virus. Pri- mer sequences were computed such that their probability of ... characterization of the virus. These results provide a demonstration of the high projected sensitivity of human-blind dengue primers and the operation of the primer cocktail strategy for dengue virus detection. ...

Ngày tải lên: 14/02/2014, 19:20

... the development of varia- tions of the traditional 2D-gel approach,and the applica- tion of these has resulted in the identification of potential new biomarkers for early detection of disease.Differential in-gel ... urine have proven to be a rich source of biomarkers for the early detection of cancer.The blood proteome changes constantly as a consequence of the perfusion of the diseased organ adding,subtracting ... Development of a novel proteomic approach for the detection of transitional cell carcinoma of the bladder in urine. Am. J. Pathol. 158, 1491–1502 (2001). 53. Petricoin, E. F. et al. Use of proteomic...

Ngày tải lên: 15/02/2014, 05:20

... identified by MRI. The l ack of histopathological correlation or microbiolo- gical tests of the adenopathies is another important lim- itation of the study, and MRI in the phase of expiration may show ... 11:243 http://www.biomedcentral.com/1471-2334/11/243 Page 6 of 7 RESEARCH ARTICLE Open Access Detection of Pulmonary tuberculosis: comparing MR imaging with HRCT Elisa Busi Rizzi 1* , Vincenzo Schinina’ 1 , Massimo Cristofaro 1 , Delia ... the two techniques in terms of identifying the location and distribution of the lung lesions, though the higher resolution of MRI did allow for better identification of parenchymal dishomogeneity,...

Ngày tải lên: 15/02/2014, 12:20

... the amplification of the 3¢ end of the b-gal gene. The presence of similar amounts of genomic DNA in the reactions was controlled by concomitant addition of primers that amplify a 200 bp region of the RNA ... isolation by FACS of living cells expressing low levels of antigen. Discussion The potential of scFvs for demonstrating the presence of targeted protein antigens in the cytoplasm of mam- malian ... intracellular forms of antigen. To analyze how these scFvs linked to EGFP or d1-EGFP behave in case of low and constant expres- sion of b-gal, we took advantage of the availability of two cell lines,...

Ngày tải lên: 19/02/2014, 18:20

... Statistics of the BioScope corpus. The 2nd and 3d columns show the total number of cues within the datasets; the 4th and 5th columns show the percentage of negated and spec- ulative sentences. 70% of ... neighboring identical siblings of type *scope* or * are replaced by a single node of the corresponding type. Figure 3 shows an example of this transformation. (a) The children of nodes JJ/NN/NN are pruned ... children (starting from the root of the subtree) to the rule pattern subtree. Nodes of type *scope* and * match any number of nodes, similar to the semantics of Regex Kleene star (*). 5 Results As...

Ngày tải lên: 20/02/2014, 04:20

... re- call of 55.1%, a precision of 71.9% and a resulting F-measure of 62.4% for the detection of the class nonreferential. The overall classification accuracy was 75.1%. The advantage of using ... a mi- nority of all instances of it. Evans (2001) reports that his corpus of approx. 370.000 words from the SUSANNE corpus and the BNC contains 3.171 examples of it, approx. 29% of which are ... variety of genres. They count 2.337 instances of it, 646 of which (28%) are non- referential. Finally, Clemente et al. (2004) report that in the GENIA corpus of medical abstracts the percentage of...

Ngày tải lên: 22/02/2014, 02:20

... precision of judgments by the default evidence of DL0 drops in this case, but that of DL1 does not. Therefore, our method is better than the original one even if the number of elements of the ... errors P= R= number number of detected errors of real errors in detected errors number of errors in the tezt 2PR F- P+R (1) 3.2 Use of the identifying strength of the written word The ... advantage that the size of DL1 is smaller. The size of the decision list has no relation to the precision and the recall, but a small decision list has advantages of efficiency of calculation and...

Ngày tải lên: 22/02/2014, 03:20

... president of the National Academy of Sciences. The National Academy of Engineering was established in 1964, under the charter of the National Academy of Sciences, as a parallel organization of outstanding engineers. ... potential of FFDM through the use of “soft-copy” image analysis (on a computer screen as opposed to film), difficulties remain with regard to the limited resolution and bright- ness of the soft-copy ... all women regardless of when their tumor is found, early detection will be looked upon as the best hope for reducing the heavy toll of this disease. The early detection of cervical cancer by...

Ngày tải lên: 05/03/2014, 12:20

... means our PACC model has a sensitivity of 100%, a specificity of 67%, a positive predictive value of 86% and a negative predictive value of 100%. Volatile analysis of the PACC model Based on the PLS-DA, ... by quantification of water vapour in breath samples while the soft ionization technique allows easy analysis of high moisture samples such as breath. IMS has the disadvantage of not knowing what chemical ... presence of P. aeruginosa. We could not identify one single VOC that was repre- sentative for the presence of P. aeruginosa presence. In our study, the presence and absence of a library of 61 VOCs...

Ngày tải lên: 05/03/2014, 21:20

... mouthrinse in the detection of oral cancer and precancer. J Oral Pathol Med 1996;25(3):97–103. 53. Onofre MA, Sposto MR, Navarro CM. Reliability of toluidine blue application in the detection of oral epithelial ... potential areas of loss of autofluorescence that might be indicative of cyto- logic and/or molecular changes indicative of premalignan- cy. Nineteen of 20 tumors demonstrated loss of autofluorescence ... conventional oral soft tissue examination for the detection of dysplasia: a pilot study. Quintessence Int 2004;35(5):378–84. 58. Ram S, Siar CH. Chemiluminescence as a diagnostic aid in the detection of oral...

Ngày tải lên: 06/03/2014, 02:21

... statistical software (SPSS Inc, Chicago, IL, USA). Results Figure 1 summarizes the results of our TB detection pro- gram from the time of patient admission to initiation of treatment under our cough-officer-screening ... Acute cough is a complication of many diseases [20], so our Figure 1 Flow chart summary of TB detection by cough officer screening (COS) from the time of admission to the time of treatment. Stage I: ... 10:238 http://www.biomedcentral.com/1471-2458/10/238 Page 4 of 7 Discussion The results of this study of our COS program indicate that the delay of the healthcare system in responding to TB depends on the population of patients who are...

Ngày tải lên: 06/03/2014, 04:20