Báo cáo khoa học: "High grade B-cell gastric lymphoma with complete pathologic remission after eradication of helicobacter pylori infection: Report of a case and review of the literature" pdf

... eradication of helicobacter pylori infection: Report of a case and review of the literatureLuigi Cavanna*1, Raffaella Pagani1, Pietro Seghini1, Adriano Zangrandi2 and Carlo Paties2Address: ... effect of eradication of Helicobacter pylori as firstline therapy in gastric high grade gastric lymphoma: 22 of a total of 38 (57.9%) enrolled patients obtained complete remission. Data of the ... partial remission after eradication treatment, gained complete regression of lymphoma after chemotherapy [15,22].Because of the advanced age, additional chemotherapywas postponed in a patient; "wait and...

Báo cáo khoa học: "Combining a Statistical Language Model with Logistic Regression to Predict the Lexical and Syntactic Difﬁculty of Texts for FFL" potx

... textbooks as a corpus. With the appearance of the CEFR, FFL textbooks have undergone a kind of standardisation and their levels have been clari-fied. It is thus feasible to gather a large number of documents ... as a corpus for the creation of various automatically generated exercises.However, the strength of the Internet is also itsmain flaw : there are so many texts available to the teacher that he ... Collins-Thompson et al. (2005) presented a variation of a multinomial naive Bayesian classifier they called the “Smoothed Unigram” model. We retainedfrom their work the use of language models in-stead of word...

Báo cáo khoa học: "Low grade papillary transitional cell carcinoma pelvic recurrence masquerading as high grade invasive carcinoma, ten years after radical cystectomy" pptx

... material and patient, editing of the manuscript and approval of final draft. AM – providedstudy material and patient, editing of the manuscript and approval of final draft. PM – Conception and design, ... study material and patient, data analysis and inter-pretation and preparation and editing of manuscript. Allauthors read and approved the final manuscript.ConsentWritten informed consent was ... similarities of the above cases in the liter-ature to our case. To our knowledge our case is the firstreported case of a non-invasive low grade urothelial carci-noma treated with cystectomy with a late...

Tài liệu Báo cáo khoa học: High-afﬁnity ligand binding by wild-type/mutant heteromeric complexes of the mannose pptx

... wild-type and mutant receptorsare binding ligand independently. The tables indicate the amounts of the various cDNAs transfected into cells for each condition and apply to the data shown both above and ... Schematic diagram of soluble 1-15 and 1-15 R 2A mutantMyc epitope-tagged receptors, co-immunoprecipitation and ligandbinding analysis of soluble 1-15 and 1-15R 2A mutant FLAG and Myc epitope-tagged ... and Widaman fellowships; the Dr Fred W. Upson Grant-in-aid award through the University of NebraskaMedical Center and the NASA Space GrantFellowship. M. A. Hartman was the recipient of pre-doctoral...

Tài liệu Báo cáo khoa học: High affinity copper binding by stefin B (cystatin B) and its role in the inhibition of amyloid fibrillation docx

... ste-fin B and the P79S mutant of the variant atboth pH 7 and pH 5. Each panel is a plot of heat change on ligand addition (kcalÆmole)1)against the ligand ⁄ stefin molar ratio for one of the proteins ... generated or absorbed as the ligand-macromolecule reaction occured. A binding isothermwas fitted to the data, expressed in terms of the heat changeper mole of ligand against the ligand to macromoleculeratio. ... fivestrands wrapping around an a- helix. The far UV CDspectra in Fig. 4A reveal small differences in intensity and shape between stefins A and B and the P79Smutant. The two isoforms of stefin B have...

Tài liệu Báo cáo khoa học: A novel nuclear DNA helicase with high speciﬁc activity from Pisum sativum catalytically translocates in the 3¢ﬁ5¢ direction docx

... 2A, lane 4) and ssDNA-dependentATPase activity (data not shown) sedimented togetherbetween alcohol dehydrogenase and BSA (fraction 11) and gave a molecular mass of 120 kDa with a sedimen-tation ... enzyme and with heat-denatured substrate, respectively. The rest of the lanes represent active fractions. The smears at the bottom of the gel in panels (A) and (B) are due to the action of nucleases ... 6C), daunorubicin (Fig. 6D), and nogala-mycin (Fig. 6E) in the standard helicase reactions. The titration curve is plotted as a graph and shown on the left side of the autoradiogram of the gel...

Tài liệu Báo cáo khoa học: High activity of human butyrylcholinesterase at low pH in the presence of excess butyrylthiocholine pptx

... particular, most of the essential features of the catalyticsite (i.e. a catalytic triad of Ser-His-Glu, an oxyanion hole, a p-cation-binding site, and an acyl-binding pocket) are the same in AChE and ... wild-type and mutants of human BuChE [11,15,16], as well as substrate activation inwild-type and mutants of human and Bungarus fasciatusAChE at low pH [14]. The term substrate activationdescribes the ... is2.16 A ˚). The carbonyl carbon of the butyrate adopts a partial tetrahedral character. Such a distortion results from the strong polarization of the C–O bond by the dipoles of the oxyanion...

Báo cáo khoa học: High negative charge-to-size ratio in polyphosphates and heparin regulates factor VII-activating protease pdf

... activation.PolyP can amplify coagulation by activation of the contact factor pathway, as well as activation of factor V, inhibition of the anticoagulant function of tissue factor pathway inhibitor (TFPI), and ... polyphosphate, the platelet-derived material was a weak activator of FSAP. Hence, negativelycharged polymers with a high charge-to-size ratio are responsible for the activation of FSAP, and also act as ... charge than unfrac-tionated heparin, and exhibits a stronger ability tobind to and activate FSAP [25].Chondroitin sulfate, dermatan sulfate and polysialicacid also have a less negative charge...

Báo cáo khoa học: High resolution structure and catalysis of O-acetylserine sulfhydrylase isozyme B from Escherichia coli pot

... random crystal contacts, they still outline the available conformational space and, most probably, the induced ﬁt motions during the reaction. The conformational changes are also reﬂected in the B-factor ... complexed with the substrate analog citrate,has been determined at 1.33 A ˚resolution by X-ray diffraction analysis. The C1-carboxylate of citrate was bound at the carboxylate position of O-acetylserine, ... whereas the C6-carboxylate adopted two conformations. The activity of the enzyme and of several active center mutants was deter-mined using an assay based on O-acetylserine and thio-nitrobenzoate(TNB)....

Báo cáo khoa học: "High Frequency Word Entrainment in Spoken Dialogue" ppt

... engage in conversation, they adapt the way they speak to their conversational partner. Forexample, they often adopt a certain way of describ-ing something based upon the way their conversa-tional ... success and overall quality, aswell as to participants’ evaluation of their conversa-tional partners. Pickering and Garrod (2004) pro-pose that the automatic alignment at many levels of linguistic ... suggestsfuture areas of investigation.Our other correlations reveal that turn exchangescharacterized by overlaps are reliably associated with entrainment in usage of afﬁrmative cue word,ﬁlled pauses and...

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