báo cáo khoa học: "Biomimetic poly(amidoamine) hydrogels as synthetic materials for cell culture" potx

... purposes)Journal of NanobiotechnologyOpen AccessResearchBiomimetic poly(amidoamine) hydrogels as synthetic materials for cell cultureEmanuela Jacchetti1,4, Elisa Emilitri2,4, Simona Rodighiero4, ... for promoting cell adhesion.Results: A systematic comparative study of the response of an epithelial cell line was performedon hydrogels with agmatine and on non-functionalized amphoteric poly(amidoamine) ... such as cell microarray orcells on chips, require reliable support materials with goodbiocompatibility and cell adhesion, preferentially disposa-ble and simple to use [1,2]. Among synthetic materials, hydrogels...

Báo cáo khoa học: "Exploiting Syntactic Patterns as Clues in Zero-Anaphora Resolution" potx

... machine learning-based approaches toantecedent identification can be classified as ei-ther the candidate-wise classification approach orthe preference-based approach. In the former ap-proach ... anaphor indirectly as aby-product of the search for its antecedent. Ifan appropriate candidate antecedent is found, theanaphor is classified as anaphoric; otherwise, it isclassified as non-anaphoric. ... there-fore build a separate component for each sub-task, adopting Iida et al. (2005)’s selection-then-classification model for each component:1. Intra-sentential antecedent identification:For...

Báo cáo khoa học: "Regular tree grammars as a formalism for scope underspeciﬁcation" docx

... rules for USRs of increasingsizes in the Rondane treebank (see Sect. 4.3); thebars represent the number of sentences for USRs of acertain size. Even for the most ambiguous sentence,which has ... production for thesame subgraph, and is therefore rather complex.4.2 Redundancy elimination as languageintersectionWe now deﬁne a new algorithm for redundancy elim-ination. It is based on the ... The new algo-rithm dramatically outperforms KT06: In total, it re-duces 96% of all USRs completely, whereas KT06was complete only for 40%. This increase in com-pleteness is partially due...

Báo cáo khoa học: Hyaluronan–CD44 interactions as potential targets for cancer therapy pptx

... overproduction of HA in cancer cells,such as ﬁbrosarcomas, breast cancer, mesotheliomasand prostate cancer, transfected with HAS1, HAS2and HAS3 genes, triggered intracellular signaling path-ways ... responsible for maintaining thetumor and, possibly, for the formation of new tumorsat metastatic loci. CD44 has been identiﬁed as animportant marker of such a population of cancer stemcells in breast, ... known for its role inthe metastatic cascade, as this interaction regulatesthe ability of malignant cells to activate receptor tyro-sine kinases, and to stimulate migration, invasion ofbasement...

Báo cáo khoa học: "Near infrared analysis as a tool for rapid screening of some major wood characteristics in a eucalyptus breeding program" ppsx

... the reference technique measure-ment, i.e. SEL was close to the SD for the set of samples (ta-ble X), was detrimental to the LS measurement. Highlyefficient measurement techniques and very ... shrinkageswere measured in green (undried) samples and ovendried samples(6% moisture content). Shrinkage was measured using a special de-vice based on a non-contact laser-optical displacement measure-ment ... (InfraSoft International).A 16/32 sequence (16 measurements of the reference ceramicthen 32 measurements of the sample) was obtained for each sample.The absorbance spectrum, represented as a...

báo cáo khoa học: "Nanopores: maltoporin channel as a sensor for maltodextrin and lambda-phage" pdf

... the outer cell wall a number of sophisticated channels called porins. One of them, maltoporin, is a passive specificchannel for the maltodextrin uptake. This channel was also named LamB as the ... outer cell wall. Under stress, e.g. incase of lack of nutrition, the pure diffusion process is tooslow and the bacteria need to improve the efficiency of thetranslocation. For those cases, ... in the Mal-toporin recognition process [13].A typical set-up for conductance measurements is shownin figure 1. The measurement cell consists of two cham-bers separated by a hole (less than...

Báo cáo khoa hoc:" Exclusion of PINK1 as candidate gene for the late-onset form of Parkinson''''s disease in two European populations" pps

... play a role as susceptibilityalleles for sporadic PD[9,10]. The question arises as towhether the PINK1 gene is also a candidate gene for late-onset forms of Parkinson's disease, similar ... number not for citation purposes)Journal of Negative Results in BioMedicineOpen AccessResearchExclusion of PINK1 as candidate gene for the late-onset form of Parkinson's disease in two ... fre-quencies in cases and controls and show here that theQ115L variant was not associated with late-onset PD inour study. These findings correspond to previously pub-lished data of no leading association...

Báo cáo khoa học: Linking pseudouridine synthases to growth, development and cell competition potx

... Cell number was calculated by counting the number of tricomes (each cell has a single tricome) for the selectedarea of each compartment, shaded in orange for the A compartment and in azure for ... apoptotic cells. As is evident, Cas3staining revealed large areas of apoptoticcells localized in the V (unsilenced) compart-ment. These apoptotic foci were composedof GFP-labelled dorsal cells, ... synthase may act as an effectorof Notch signalling may be of more general relevance, as Notch controls cell differentiation in many tissues,regulating binary cell fate decisions and stem cell maintenance...

Báo cáo khoa học: Optimization of an Escherichia coli system for cell-free synthesis of selectively 15N-labelled proteins for rapid analysis by NMR spectroscopy pdf

... activity was observed except for [15N]Asp, where an enzyme in the cell extract efficientlyconverted Asp fi Asn. This activity was suppressed byreplacing the normally high levels of potassium glutamate ... plasmid DNA(pBH964, as described above), 150 U of RNase inhibitorand 93 lgÆmL)1of T7 RNAP. For labelling with[15N]Glu, ammonium or potassium acetate (200 mM)was used instead of potassium ... BL21(DE3)/pLysS/pBH964 as a standard for comparison with protein production usingthe cell- free system. The co nstruction of the s-CYPA geneand plasmid pBH964, as well as the procedure for purification...

Báo cáo khoa học: "Reducing Wrong Labels in Distant Supervision for Relation Extraction" potx

... training data was Xrs for 12 relations and thetest data was that for the remaining 12 relations. Thetraining data was used to calibrate parameters (seethe following subsection for details). ... methods:Baseline: This method assigns relation r to a pat-tern when the pattern is mentioned with at least oneentity pair corresponding to relation r in Freebase.This method is based on the DS assumption.Ratio-based ... LDend ifend for return LDtypes to distinguish the sentences that express differ-ent relations with the same dependency path, such as “ABBA was formed in Stockholm.” and “ABBAwas formed in 1970.”Our...

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