Báo cáo khoa học: "Differences in vegetation cover resulting from various methods of site preparation for pine plantations in South Africa" potx
Báo cáo khoa học: "Differences in vegetation cover resulting from various methods of site preparation for pine plantations in South Africa" potx
... alongit. In the experimental plots, vegetation was sur-Original articleDifferences in vegetation cover resulting from various methods of site preparation for pine plantations in ... composition, height, cover, and biomass of vegetation were examined in response to forest regeneration methods applied in exotic tree plantations of Pinus radiata in South Africa.The ... pitting, augering, rip-ping (subsoiling), and ripping and disk-ploughing.Pitting is the standard site preparation procedure in the region and involves digging a pit (45 cmwide...
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Tài liệu Báo cáo khoa học: Cell surface heparan sulfate proteoglycans Target and partners of the basic ®broblast growth factor in rat Sertoli cells pptx
... transcription factorsthat bind to AP-1 or FIN-1 o r that inactive b inding ortransactivation capacity of, for example, FIN-1 and USF-1,could explain activation or inhibition of FiRE. From ourresults, ... of bFGF (Eur. J. Biochem. 269) 509The bFGF binding requires speci®c motifs on highlysulfated HS chains. Sodium chlorate, in inducing structuralalteration of HS chains, prevents the bFGF binding. ... mM).Before RNA extraction, cells were incubated for 24 heither in the absence or in prese nce of FSH, dbcAMP,cholera toxin or bFGF, either in combination with FSH ordbcAMP or cholera toxin and...
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Báo cáo khoa học: "Cationized gelatin-HVJ envelope with sodium borocaptate improved the BNCT efficacy for liver tumors in vivo" pptx
... chemistry monitoring after systemic administration of HVJ-E complexesIndications of systemic injury were recorded, includingserum levels of total bilirubin (T. Bil), aspartate amino-transferase ... HVJ-E:Hemagglutinating Virus of Japan Envelope.AcknowledgementsThis work was supported in part by a grant for research and development of a Fixed Field Alternating Gradient Accelerator and DDS for BNCT from ... luciferase-expressing plasmids (50 μl;1.5 × 109particles) was incubated with tumor cells for 30 min, and then incubated for 30 min at 37°C. A fterwashing twice with PBS, the cells were incubated...
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Tài liệu Báo cáo khoa học: "Learning to Compose Effective Strategies from a Library of Dialogue Components" doc
... embed-ding the provision and gathering of information in e.g. social dialogue. In the latter category of dia-logue systems, a high level of naturalness of interac-tion and the occurrence of longer ... for information seeking spo-ken dialogue systems, and in particular the use of reinforcement learning methods to learn policies for action selection in dialogue management (seee.g. Levin et ... Rudary, Satinder Singh, and Martha E. Pollack.2004. Adaptive cognitive orthotics: Combining reinforce-ment learning and constraint-based temporal reasoning. Pro-ceedings of the 21st International...
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Báo cáo khoa học: Staphylococcus aureus elongation factor G – structure and analysis of a target for fusidic acid pdf
... surface of EF-G and forms part of the FA-binding site, it points to the opposite direction in our structure,interacting with Glu93 in helix BGand Tyr126 in helixCG in the core of the domain, ... theFA-binding pocket at the domain interface.Residues 666 and 670, within one b-strand of domain V, are also important for interdomain interac-tions. The N-terminal part of the strand interacts ... the FA-binding site Thr436 S. aureus [27,35] Ile A Domain III, in the turn after helix AIII. Hydrogenbonding to His457 in helix BIII. In the ribosomecomplex, lining the FA-binding site [22]Mutation...
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Báo cáo khoa học: A novel 2D-based approach to the discovery of candidate substrates for the metalloendopeptidase meprin pot
... acidic phospholipids inhibit intra-molecular association between the N- and C-terminalregions of vinculin, exposing actin-binding and proteinkinase C phosphorylation sites on serines 1033 and1045 ... select-ing for cysteine-containing peptides or glycoproteins)may allow for higher resolution capacity but at thecost of information loss. For example, using ICATlabelling, only pairs of intact peptides ... Acidicphospholipids inhibit the intramolecular associationbetween the N- and C-terminal regions of vinculin,exposing actin-binding and protein kinase C phosphory-lation sites. Biochem J 314,...
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Báo cáo khoa học: Cupiennin 1a, an antimicrobial peptide from the venom of the neotropical wandering spider Cupiennius salei, also inhibits the formation of nitric oxide by neuronal nitric oxide synthase pptx
... catalyticoxygenase domain that binds heme, tetrahydrobiopter- in and l-arginine; (b) a C-terminal reductase domainthat binds FMN, FAD and NADPH; and (c) an inter-vening CaM-binding region that regulates ... dif-ferent shape from that of Ca2+-CaM [10,11,25,26],and therefore adversely affects binding of CaM to theCa2+-CaM-binding domain of nNOS. CaM is notonly essential for the operation of nNOS and ... multidimensional NMR study of calmodulincomplexed with the binding domain of skeletal musclemyosin light-chain kinase: indication of a conforma-tional change in the central helix. Biochemistry...
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báo cáo khoa học: " A cluster randomized controlled trial comparing three methods of disseminating practice guidelines for children with croup [ISRCTN73394937]" pptx
... mailing plus a combination of interactive educational meetings, educational outreach visits,and reminders (intermediate intensity intervention), and a combination of mailing, interactive sessions,outreach ... reducing or maintaining the number of uncommon,severe clinical events such as intubation, respiratory andcardiac arrest, anoxic brain injury, or death.▪ by reducing, (in a prospective cohort of ... addressing the management of children withcroup. We have completed a draft of the guidelines.Remaining steps prior to completion of croup clinical practice guidelineWhen the guidelines are in final...
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Báo cáo khoa học: Differences in substrate specificities between cysteine protease CPB isoforms of Leishmania mexicana are mediated by a few amino acid changes potx
... role for the enzymes in the activation o f CPB in the parasite, as ProisthesecondaminoacidofthematuredomaininalloftheCPB isoenzymes for which the structure i s known.The variation of a mino ... The role of the C-terminal domainremains unc ertain. Roles in intracellular targeting to themegasomes, immune evasion and modulation of theCorrespondence to G. H. Coombs, Division of Infection ... of Arg at P1using all natural amino acids as previously reported for thesubsite specificity studies of rCPB2.8 [13]. Table 2 showsthe kinetic parameters for the hydrolysis of this series of peptides...
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Báo cáo khoa học: "Differences in the serum immunoglobulin concentrations between dairy and beef calves from birth to 14 days of age" pdf
... infections and other illnesses weremonitored continuously from birth up to 14 days of age.No clinical signs were observed in any one of the calves in both groups during the period. As was indicated, ... are various methods used in early assisted suckling, especially the amount and time of colostrum feeding after birth [6,16,17]. In view of theresults in the present study, the method employed for ... role in protection against intestinaldisease for several weeks following birth [13]. In calves, itis known that passive immunity also influences theoccurrence of respiratory disease during...
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