Báo cáo khoa học: "The effect of external beam radiotherapy volume on locoregional control in patients with locoregionally advanced or recurrent nonanaplastic thyroid cancer" ppsx

... 5:69http://www.ro-journal.com/content/5/1/69Page 5 of 8RESEARC H Open AccessThe effect of external beam radiotherapy volume on locoregional control in patients with locoregionally advanced or recurrent nonanaplastic thyroid ... patients treated with external beam radiotherapy (EBRT) for locoregionally advanced or recurrent nonanaplastic thyroid cancer and analyzed the effect of EBRT volume on locoregional control. Methods: ... our institutional outcomes of patients treated with EBRT for locally advanced or recurrent nonanaplastic thyroid cancer and analyzed the effect of EBRT volume on locoregional control. Methods Patients Between...

Báo cáo khoa học: "The effect of domain and text type on text prediction quality" pptx

... dif-ferent portions of the test data, we also evaluated acombination of both corpora on our test set: Wecreated training corpora consisting of the Medi-cal Wikipedia corpus, complemented by 90% of the ... text predic-tion algorithm in an online care platform: an on- line community for patients seeking informationabout their illness. In this speciﬁc case the targetgroup is patients with language ... evaluated in a leave-one-out set-ting (359 times training on 358 questions andevaluating on the remaining questions). In order to create the ‘medical Wikipedia’ cor-pus, we consulted the category...

Tài liệu Báo cáo khoa học: The effect of small molecules in modulating the chaperone activity of aB-crystallin against ordered and disordered protein aggregation pdf

... methods of binding (or bindingmodes) in order to prevent the aggregation of stressedproteins. Some of these binding modes (or bindingsites) are favoured by phosphorylation or interaction with ... chaperone activity of aB-crystallin againstdisordered (amorphous) and ordered (amyloid ﬁbril)forms of protein aggregation. We report that the effect of these additives on the chaperone action of ... guanidiniumgroup, is able to interact with a number of functionalgroups, including the aromatic side chains of someamino acids, through a stacking mechanism [42]. Theinteraction of arginine with...

Tài liệu Báo cáo khóa học: The effect of mutations surrounding and within the active site on the catalytic activity of ricin A chain pptx

... challenged with increasing concentrations of toxin at 37 °C for 4 h. Remaining proteinsynthesis after this time was measured by the incorporation of (35S)methionine. Symbols indicate the mean of four ... Allsubstitutions were conﬁrmed by DNA sequencing.Expression and puriﬁcation of ricin A chain variantsA single colony of Escherichia coli JM101 transformed with the pUTA vector [14] containing the ... make a forked interaction with both of the phosphodiester backbones of the target adenine and of the preceding guanine residue in the GAGA motif [10].Substitution of Arg134 with Ala or Gln abolished...

Tài liệu Báo cáo khoa học: "The Effect of Pitch Accenting on Pronoun Referent Resolution" ppt

... interpreted for what they say about attentional salience. One determiner of whether attentional or propositional effects are dominant is the type of information provided by the accented constituent. ... strictest interpretation of either centering or intonation theories, should not occur the case of pitch accented pronominals. Centering theories would be hard pressed to pre- dict pitch accents on ... Because nonpronominals contribute discourse content, pitch accented nonpronominals are mainly in- terpreted with respect to the mutual beliefs, that is, for their propositional content. However,...

Báo cáo khoa học: The effect of replacing the axial methionine ligand with a lysine residue in cytochrome c-550 from Paracoccus versutus assessed by X-ray crystallography and unfolding ppt

... position in conformer B so as to maintain itsH-bonding interactions (Fig. 4D). Effect of the M100K mutation on the stability of the native stateThe effect on protein stability upon introduction of ... reﬂection of the more basic f-amino group of the coordinating K100, with the H-bonded watermolecule found in the X-ray structure increasing theelectron donating power of the coordinating aminogroup ... absence of the 695-nm band, indicative of Met-Sd-iron coordination. Upon titrating increasing amounts of guanidinium hydrochloride (GdmHCl) the proteinunfolds resulting in the perturbation of...

Báo cáo khoa học: The effect of heme on the conformational stability of micro-myoglobin doc

... contact sites [5]. Recent studies have indicatedthat a fragment corresponding to such a portion of thestructure is capable of folding into a functional heme-binding unit forming a complex with ... 2007)doi:10.1111/j.1742-4658.2007.06176.xMicro-myoglobin, the isolated heme-binding subdomain of myoglobin, is avaluable model system for the investigation of heme recognition and bind-ing by proteins, and provides an example of protein folding ... Antonini E & Brunori M (1971) Hemoglobin andMyoglobin in their Reactions with Ligands. NorthHolland Publishers Co., Amsterdam.5 Go M (1981) Correlation of DNA exonic regions with protein...

Báo cáo khoa học: "The Effect of Translation Quality in MT-Based Cross-Language Information Retrieval" pptx

... Jian Zhang, and Ming Zhou. 2000. On the Use of Words and N-grams for Chinese Information Retrieval. In Proc. of the Fifth International Workshop on Information Retrieval with Asian Languages ... explored the effect of translation resources such as bilingual wordlists or parallel corpora on CLIR performance. Xu and Weischedel (2000) measured CLIR performance as a function of bilingual ... construction for the Beijing-Kowloon Railroad, including location, construction status, span or length. </top> Figure 1. Example of TREC Topic 5.2 Query Formulation & Evaluation...

Báo cáo khoa học: The effect of zinc oxide nanoparticles on the structure of the periplasmic domain of the Vibrio cholerae ToxR protein pot

... data were analyzedusing a simple one-site binding model using microcalorigin 7.0 software (OriginLab Corporation, Northampton,MA) provided with the instrument. The binding constants(K), enthalpy ... effect of salt on the ToxRp–NP inter-action, with the protein retaining more of its secondarystructures in the presence of salt than in its absence(Fig. 7), indicating the inhibitory role of salt ... recogni-tion, the ionic strength of the medium would beexpected to have an effect on the binding [43]. Tostudy the effect of ionic strength on the conformation of ToxRp in the presence of ZnO...

Báo cáo khoa học: The effect of pH on the initial rate kinetics of the dimeric biliverdin-IXa reductase from the cyanobacterium Synechocystis PCC6803 pptx

... the inhibition constant for the slope effect. For inhi-bition constants involving intercept effects, the reciprocal of the apparent Vmaxwas plotted against the concentration of inhibitory ... product and the inhibition constant for the inter-cept effect (Kii) was determined from the intersection on theinhibitor concentration axis. For pH studies, determination of pK values has ... 4).Bilirubin exhibits mixed inhibition against NADH atnonsaturating levels of biliverdin and mixed inhibitionagainst biliverdin at saturating levels of NADH (datanot shown). Inhibition constants...

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