organosilicon polymers as precursors for ceramics

... as good when osteogenesis was less than two-thirds with no reconstruction required All other results were graded as poor Forty cases were judged as excellent, 17 cases as good, and 10 cases as ... under general anesthesia before skin incision The P(LA/CL) tube serving as a scaffold for the cells was the same as used for dogs Twenty-three tissueengineered conduits for extracardiac total cavopulmonary ... observed Forty-two weeks after transplantation, the defects were covered with 357 358 14 Biodegradable Polymers as Scaffolds for Tissue Engineering white soft tissue, in which metachromasia was partially...

Ngày tải lên: 25/10/2013, 08:20

Ngày tải lên: 09/05/2014, 17:02

... working at 1000 rpm was used for mechano-synthesis for hours Then, the resulting powder was mixed to 50% sodium chloride (99.9%) and further milled for 12 hours before washing the additives with ... catalysts for higher alcohol synthesis, Appl Catal A 311(2006) 204 [8] S.M de Linma and J.M Assaf, Ni-Fe catalysts based on perovskite-type oxides for dry reforming of methane to syngas, Catal ... content of the former is much higher (Table and Figs 6-7) The general consensus in literature is that a mixed Co-Cu based catalyst is active for the synthesis of higher alcohols from syngas as a distance...

Ngày tải lên: 22/03/2014, 09:20

... isotherm The use of polymers as corrosion inhibitors has attracted considerable attention recently Polymers are used as corrosion inhibitors because, through their functional groups they form complexes ... adsorption of the polymers on steel surfaces and the scale dispersion based on the formation of polymer-polymer complexes The present work presents a review of polymers as corrosion inhibitors for various ... efficiencies increased with the increase in inhibitor concentration Results obtained also reveal that the inhibitor behaves as anodic inhibitor [9] Two forms of polymers namely red form with molecular...

Ngày tải lên: 27/04/2015, 09:08

... agreement, which has it that ‘Learners’ motivation makes teaching and learning immeasurably easier and more pleasant, as well as more productive’ In the book entitled ‘Expectations about classrooms’, ... survey was feasible in the form of interviews, in which the writer would confer with other teachers from Hanoi School for Foreign Language Gifted Students about their experiences as well as opinions ... of social class may depend crucially on the setting; in language classrooms that emphasize on formal language learning, working class children are often less successful than middle class children...

Ngày tải lên: 07/09/2013, 13:06

... (micromolar) affinity As the bioassays on state, whereas [A10L]PnIA stabilizes a desensitized state fish and insects as well as intracranial injections into rats which, in the case of the a7[L247] ... caused an increase in potency as arise primarily from a3b2 and a3b4 nAChRs Activity on well as a shift in selectivity: while PnIA inhibited an a-BTXa7 nAChRs was excluded for two reasons: (a) EpI ... [21], as well as pharmacological studies such as those shown in (B) In slices, an a7* nAChR on adjacent glutamate terminals was found to indirectly influence dopamine release via the release of...

Ngày tải lên: 19/02/2014, 12:20

... 0.25 °CÆmin)1 was therefore preferred for subsequent experiments with GT TFOs Padlock formation with TC oligonucleotides The use of TC TFOs has not been previously described for the formation of ... 5350 Cleveland, OH, USA) (1 U for XmnI, 12 U for DraIII, 2.5 U for XbaI) and incubating for h at 37 °C Phosphatase was inactivated for 20 at 65 °C DNA was then ethanol precipitated and resuspended ... 3B), as observed for the GT oligonucleotides However, we noticed that a long heating in the acidic buffer resulted in plasmid nicking Therefore, a cooling rate of °CÆmin)1 was prefered for subsequent...

Ngày tải lên: 20/02/2014, 03:20

... reductase [29] and a weak competitive inhibitor for methylmalonyl-CoA mutase [44] 2¢-DeoxyAdoCbl is 31%, 17%, and 5–13% as active as AdoCbl for diol dehydratase [38,45], glycerol dehydratase [41], ... 302 400 m)1Æcm)1 for diol dehydratase and ethanolamine ammonia-lyase, respectively Based on the predicted molecular masses, e1%,280 was calculated to be 5.81 and 6.21 for the former and latter ... than that for AdoCbl was used, low but distinct coenzyme activity was observed with AdoMeCbl As shown in Table 1, its kcat value was about 0.27% that for AdoCbl, and the rate of mechanism-based inactivation...

Ngày tải lên: 07/03/2014, 21:20

... the basis for the rearrangement of the actin cytoskeleton by bacterial effectors like Salmonella invasion protein A (SipA) and C (SipC) Whereas SipA decreases the critical concentration for F-actin ... Arg–ADP-ribose bond in actin, which was catalyzed by C2 toxin, was cleaved by hydroxylamine, this was not the case for the ADP-ribose bond to actin catalyzed by TccC3 Mass spectrometric analysis of ... not accept polymerized actin as substrate [68] Actin as target for toxin modification Aeromonas salmonicida is a fish pathogen which produces the bifunctional Aeromonas exotoxin T (AexT) [69,70]...

Ngày tải lên: 14/03/2014, 22:20

... explain the formation of smaller droplets in the case of gold than in the case of indium on a bare silicon surface, i.e after desorption step for indium Without desorption step, indium forms smaller ... indium as solvent for CVD growth of silicon nanowires They treated the samples by H2 plasma after electrodeposition of indium nanoparticles to reduce the surface oxidation of the metals as well as ... droplets then preferentially formed Wire growth from an ordered array of gold droplets was successfully performed Acknowledgement The authors thank T Remmele for the TEM measurements References [1]...

Ngày tải lên: 16/03/2014, 15:17

... crystallization of the salt Therefore, residual amount of water was always available in the salt as well as in the as- received anhydrous EG No extra distillation was carried out to remove the residual ... atmosphere) for more than h inside the glove box Care was taken to ensure that no external water was added during the experiments In effect, the salt, glass wares and the electrodes were vacuum dried before ... source of water As the nanotubes formation was not uniform in the

Ngày tải lên: 19/03/2014, 16:48

... in part for this reason An ethnographic study of 292 low-income single mothers also identified mistrust for men as a salient obstacle to marriage for this subgroup (Edin, 2000) Perhaps as a result, ... than couples reliance on self-report data inadequate controls for unmeasured variables that may account for the associations between measured variables Summary Antecedents of Adolescent Relationships ... orientation The other four formats include RME as a component of a broader curriculum Summary xxiii For example, the national standards for family and consumer sciences (FACS) classes require that they...

Ngày tải lên: 23/03/2014, 03:20

... potential and was excluded from the panel For individual autoantigen assays, the sensitivity was between 8% and 34% for primary breast cancer and between 3% and 23% for DCIS The specificity was between ... and 98% for both types of breast cancer However, as a panel comprising six autoantigens, the sensitivity increased to 64% for primary breast cancer and to 45% for DCIS The specificity was 85% This ... can be detected in the asymptomatic stage of cancer, and in some cases, may be detectable as early as years before the onset of disease [43] Second, autoantibodies against TAAs are found in the...

Ngày tải lên: 23/03/2014, 04:20

... recover plastic packages, only the plastic fraction of the PPF was assessed The study compared the integral incineration of plastic in household waste to treatments in which 36% of the plastics was ... 1,600 65% plastic in waste incinerator Cement kiln 35% plastic in cement kiln 65% plastic in waste incinerator Waste 100% plastic in waste incinerator incinerator The routes of Subcoal® and cement ... MJ/kg for Subcoal® (dry), taking 2.44 MJ/kg for the evaporation enthalpy of water, as follows: 50% · 24.1 - 45% · 2.44 15 24.1 MJ kg for Subcoal® dry was calculated from 22.0, taking 2.44 MJ/kg for...

Ngày tải lên: 24/03/2014, 05:20

... guaranteed for the probabilistic components On the other hand CoNLL restricted itself to the easier attachment task and therefore provided the gold standard POS tag as part of the input data, whereas ... improve the overall labelled accuracy on a standard test set for German to 91.1%, a level which is as least as good as the results reported for alternative approaches to parsing German The result ... subordination for each word, the common measures of precision, recall and f-score all coincide; all three are summarized as accuracy here We measure the structural (i.e unlabelled) accuracy as the ratio...

Ngày tải lên: 31/03/2014, 01:20

... materials are low Tg elastomers The energetic polyformals are deemed not suitable for use as energetic binders on their own but may find use as copolymers with suitable low Tg elastomeric monomers ... elastomer with low glass transition temperature Tg(NIMMO) and a solid, high-melting polymer (BAMO) Owing to the requirement for energetic elastomers, the high-energy BAMO has been evaluated as ... liquid prepolymers Their application as energetic binders has not therefore been productive although the principle of using an energetic isocyanate to crosslink energetic polymers of other classes...

Ngày tải lên: 09/05/2014, 17:01

... 1,4-dicarbonyl precursors has been widely employed in the synthesis of pyrrole, pyrazoles, and their derivatives as important intermediates for pharmaceutical and fine chemical industry, as well as for ... crystals (71% based on 2,6-napthalenedicarboxylic acid) was collected as IRMOF-8 - Purple cubic crystals (25% based on benzimidazole) was collected as ZIF-9 - Deep purple crystals (88% based on 1,3,5-benzenetricarboxylic ... technologies such as XRD, SEM, TEM, TGA, nitrogen adsorption/desorption isotherm, FT-IR, and AAS 2.2 Application of MOF in catalysis The IRMOF-8 was assessed for its activity as a solid acid catalyst...

Ngày tải lên: 10/05/2014, 21:59

... excluded from the analysis Levels of plasma proteins at baseline, and ratios to baseline levels at indicated times, were assessed for potential associations with measures of clinical outcome, including ... C1D14:D1 Disease control (RECIST) defined as complete or partial response or stable disease > 12 weeks; no disease control defined as stable disease < 12 weeks or progressive disease *Significant ... at baseline At baseline, the median (range) concentration of soluble proteins was: 54.9 (20.2-466.3) pg/mL for VEGF-A, 822.2 (334.5-3,216.5) pg/mL for VEGF-C, 7,068 (4,572.5-13,667.5) pg/mL for...

Ngày tải lên: 18/06/2014, 22:20

... study found that DNA structural features such as bendability and A-philicity served as preferred integration sites [22] The present study was performed to assess the role of matrix attachment regions ... It has been reported that MARs occur every 10-kb in the mammalian genome [34,41] Based on this report, a Monte Carlo simulation was performed where the mean distance to the closest MAR was computed ... observed for SL3-3 and MLV (p < 0.01) In fact, the distribution of MoFe2 insertions in relation to MARs was consistent with the expectation for random integration The same analysis was then performed...

Ngày tải lên: 19/06/2014, 08:20