Báo cáo khoa học: "When Specialists and Generalists Work Together: Overcoming Domain Dependence in Sentiment Tagging" pptx
... trained on a small in -domain training set. 290 2 Domain Adaptation in Sentiment Research Most text-level sentiment classifiers use standard machine learning techniques to learn and select fea- tures ... sentences using in -domain and out-of -domain training. Table 4 shows that in- domain training, as expected, consistently yields su- perior accuracy than out-of -domain...
Ngày tải lên: 31/03/2014, 00:20
... protein all-alpha domain, STAT protein DNA-binding domain and SH2 domain of stat6, and the zinc-finger domain, leucine-zipper domain and fork-head domain of foxp3. In addition, for stat6 and foxp3, there ... is shared by all FOX proteins, a leucine zipper domain and a C2H2 zinc finger domain, both of which are thought to help mediate DNA binding and may be involved i...
Ngày tải lên: 16/02/2014, 09:20
... mitochondria [15,30,31], and ornithine is exported to the cytosol to be converted into citrulline and arginine [31,32]. In plants, information on the localization of citrulline and arginine biosynthetic enzymes ... thermotolerance and insensitivity to inhibition by downstream products, cit- rulline and arginine. Results The enzyme involved in catalysis of the fifth step of citrul...
Ngày tải lên: 20/02/2014, 03:20
Báo cáo khoa học: Space, time and nitric oxide – neuronal nitric oxide synthase generates signal pulses pptx
... calmodulin and 2 mm CaCl 2 , or by mixing 3 lm solutions of nNOS, 1 mm arginine, 12 lm calmodulin and 100 lm CaCl 2 in air-saturated BTP at pH 7.5 with 1 mm NADPH. Data collection and preliminary ... heme intermediates provides an avenue for investigation of the time dependence of NO synthesis. Results Global model and NO inhibition The product NO inhibits NOS [22]. In iNOS and...
Ngày tải lên: 07/03/2014, 00:20
Báo cáo khóa học: O-acetylation and de-O-acetylation of sialic acids in human colorectal carcinoma docx
... found in porcine and bovine submandibular glands [9,21], is regulated by the relative activity of cytosolic OAE. Materials and methods Patient samples Tissue was obtained from patients undergoing ... colorectal carcinoma (Table 2). Interestingly, the level of Neu5,9Ac 2 in the resection margin obtained from two Stage IV patients was dramatically reduced in comparison with that obser...
Ngày tải lên: 07/03/2014, 14:20
Báo cáo khoa học: "Combining Acoustic and Pragmatic Features to Predict Recognition Performance in Spoken Dialogue Systems" pdf
... Randomly split the remaining data into an 80% training and 20% test set. 3. Run TiMBL with all possible parameter set- tings on the generated training and test sets and store the best performing ... that?”). Finally, the task features (TASK) reflect conflict- ing instructions in the domain. The feature taskCon- flict indicates a conflict if the current dialogue move type is a command an...
Ngày tải lên: 08/03/2014, 04:22
Báo cáo khoa học: Kinetic studies and molecular modelling attribute a crucial role in the specificity and stereoselectivity of penicillin acylase to the pair ArgA145-ArgB263 pdf
... binding subsite. Substrate binding induces conformational changes involving the ArgA145- PheA146 fragment of the protein chain, acting as a flap, first opening and then closing the groove [45]. The ... X-ray coordinates of amino acid residues in penicillin acylase [19] and AM1 docking calculations. The three N atoms of the side chain d-guanidino group of this residue are involved in H-b...
Ngày tải lên: 16/03/2014, 16:20
Tài liệu Báo cáo khoa học: Dissociation of DNA polymerase a-primase complex during meiosis in Coprinus cinereus pptx
... proteins. Immunostaining of meiotic C. cinereus nuclei Immunostaining of meiotic C. cinereus nuclei was perfomed as described in previous reports [29–31] with minor modi- fications. C. cinereus ... doi:10.1046/j.1432-1033.2003.03565.x allele, resulting in formation of the Holiday structure. After single-ended strand invasion and initial repair synthesis, crossover and noncrossover path...
Ngày tải lên: 20/02/2014, 11:20
Báo cáo khoa học: Characterization of the glutamyl endopeptidase from Staphylococcus aureus expressed in Escherichia coli pptx
... latter buffer at 37 °C overnight. Finally, nonhydrolysed azocasein in the polyacrylamide gel was stained with CBB. Immunoblotting Bacterial lysates containing recombinant proteins were pre- pared as reported ... 5-bromo-4-chloro-3-indolyl phosphate and nitroblue tetrazolium (Nakarai, Kyoto, Japan). N-terminal amino acid sequencing N-terminal amino acid sequences were determined after sepa...
Ngày tải lên: 16/03/2014, 06:20
Báo cáo khoa học: The 3-ureidopropionase of Caenorhabditis elegans, an enzyme involved in pyrimidine degradation pptx
... histidine to form the dipeptide carnosine. Carno- sine and other similar dipeptides containing nonprotein- ogenic amino acids can be found in excitable tissues, brain and skeletal muscles. The physiological ... electrophoresis of recombinant protein. In lane N, 2 lg of native protein were loaded onto the gel. In lane H, 5 lg of protein were incubated for 5 min at 40 °C before loadin...
Ngày tải lên: 23/03/2014, 03:20