Báo cáo khoa học: "Sentence and Expression Level Annotation of Opinions in User-Generated Discourse" potx

... Scot- land. Minqing Hu and Bing Liu. 2004. Mining and sum- marizing customer reviews. In KDD’04: Proceed- ings of the Tenth ACM SIGKDD International Con- ference on Knowledge Discovery and Data Mining, pages ... years. Opinion mining spans a va- riety of subtasks including: creating opinion word lexicons (Esuli and Sebastiani, 2006; Ding et al., 2008), identifying opinion expres...

Ngày tải lên: 16/03/2014, 23:20

... 3B). Effect of quercetin on the copper-induced lipid peroxidation in preoxidized LDL In order to evaluate the effect of quercetin on the Cu 2+ - induced LPO in pre-oxidized LDL, LDL were first incuba- tedwithCu 2+ and ... This powerful antioxidant interaction of quercetin and urate can be partially explained by the interception of reactive species, chelation of transition m...

Ngày tải lên: 23/03/2014, 12:20

... NH 4 + , AMP and Fru(2,6)P 2 were determined in the presence of 2 mM Fru6P and 0.8 mM ATP, and with lyophilized coupling enzymes (i.e. in the absence of contaminating ammonium). The number of independent ... emphasizing that, owing to the multitude of variables involved in determining flux and interme- diary concentrations, which have to be kept constant during the experi...

Ngày tải lên: 30/03/2014, 11:20

... Li R, Hartley L & Robb L (2001) Cloning of rat inter- leukin 11 and interleukin 11 receptor alpha chain and analysis of their expression in rat uterus in the peri- implantation period. Reproduction ... changes in mRNA levels were not a result of a general change in the amount of mRNA loaded. Following stringent washing, membranes were put into an X-ray cassette with...

Ngày tải lên: 07/03/2014, 16:20

... a biochemical and molecular level and the encoding genes have been cloned. Biosynthesis takes place mainly in chloroplasts and peroxisomes, initiating after the release of the precursor linolen ic ... spread of defense responses after local induction. For instance, in tomato and potato plants the production of proteinase inhibitors (PI) as an inducib le defense r esponse a...

Ngày tải lên: 16/03/2014, 18:20

... protein involved in anthocyanin transport in vacuoles and a type I CHI, and their roles have been confirmed by in vivo and in vitro studies. The expression levels of all the genes involved in anthocyanin ... GST-like gene involved in vacuole transport of anthocyanin rescued the lesion of anthocyanin accumulation in tt19, indicating a function of PfGST1 in vacuol...

Ngày tải lên: 23/03/2014, 07:20

... C and D, which extends beyond the coding region (Fig. 3), and the relevance of the region of 529 bp in cardosin A expression may explain the ineffectiveness of the cardosin D flanking region in ... pro- tein in several plant species [50]. Repeats of the dinu- cleotide G ⁄ A were reported to bind to the basic pentacysteine protein, and may be involved in the regulation...

Ngày tải lên: 30/03/2014, 09:20

... cloning and expression of murine L -fucokinase and GDP- L -fucose pyrophosphorylase. Murine L -fucokinase is expressed as two transcripts of 3057 and 3270 base pairs, encoding proteins of 1019 and ... displaying two putative splice variants [Fig. 2]. Expression of fucokinase cDNAs The two splice variants of fucokinase were subcloned into the XbaI site of a pQM vector c...

Ngày tải lên: 30/03/2014, 13:20

... (G) Sinus gland axonal arborizations containing D-Trp4 VIH (green) and D-Phe3 CHH (red). (H) Enlargement of axon terminals in the sinus gland with labelling as in (G). Peptidyl isomerization in ... chirality of a single aminoacyl resi- due within a peptide chain is a subtle and intriguing mechanism that remains poorly known to date, and which leads to structural and function...

Ngày tải lên: 18/02/2014, 11:20

... mRNA and protein levels of key pro- fibrotic proteins like PDGFR-a and -b, TGFb1, and TIMP-1 and -2 in the liver of transgenic mice. PDGF-C treatment increased both mRNA and protein levels of the ... cells, indicating the possibility of PDGF- D ⁄ PDGFR-b constituting an autocrine loop, and PDGF-B acting in a paracrine manner to promote proliferation and migration of...

Ngày tải lên: 19/02/2014, 07:20