assembly and in situ polymerization of substrate supported planar lipid films

... spectra of (a) P-MWNTs and (b) F-MWNTs In situ Polymerization In situ polymerization of e-caprolactam in the presence of the F-MWNTs and the P-MWNTs was carried to prepare the F-MWNT/nylon-6 and ... and methanol, and were finally dried under a reduced pressure for days at 100 °C In situ Polymerization of the Nanocomposites In situ polymerization of e-caprolactam in the presence of F-MWNTs (or ... formation of extended chain crystals and is typically obtained from a process involving elongational flow [47] The reflections at 2h = 11 and 21° are -201/200/001 and 020 of the c form, respectively, and...

Ngày tải lên: 22/06/2014, 01:20

... Satoh, and Y Watanabe 1999a In situ analysis of nitrifying biofilms as determined by in situ hybridization and the use of microelectrodes Appl Environ Microbiol 65: 3182-3191 Okabe, S., H Satoh, and ... distributions of in situ nitrifying activities were determined The relationship between the spatial organization of nitrifying bacterial populations and the in situ activity of these populations within ... diversity of ammonia-oxidizing bacteria The phylogenetic microbial diversity of two types of nitrifying biofilms, a domestic wastewater and an autotrophic nitrifying biofilms, were determined by...

Ngày tải lên: 05/09/2013, 08:40

... Detection In Situ: Potentials and Pitfalls The development of techniques for in situ end-labeling (ISEL) of fragmented DNA has allowed the recognition of DNA damage in single cells both in vitro and in ... colorimetric and fluorescent staining of cultured cells and tissues is presented thereby allowing investigators to utilize the TUNEL staining procedure with a minimal investment in laboratory reagents and ... 3.3.3 Labeling of 5'-OH Ends of DNA Prepare a reaction tube by adding µL of 10× T4 kinase reaction buffer, µL of sample from step of Subheading 3.3.1., µL (50 Units) of T4 Kinase (New England BioLabs,...

Ngày tải lên: 11/04/2014, 09:47

... result in B-doped—intrinsic (p–i) type NWs, since the boron diffusion in silicon is negligible at 525°C [7], i.e., the B atoms incorporated in the lower half will not diffuse into the upper half of ... of the NWs from being implanted with P ions from the side This step effectively eliminates the possibility of lateral doping that is almost unavoidable in purely in- situ doping of NWs successively ... curves of three p–n NWs and a p–i (unimplanted) NW Please refer to Table for details of the NWs Inset of Fig 3a shows the I–V curve of the substrate in the same voltage range b Semi-log plot of the...

Ngày tải lên: 22/06/2014, 00:20

... (MgSO4) and 0.5 mM guanosine 5¢-triphosphate sodium salt hydrate (GTP) Polymerization of tubulin into MTs was induced by thawing a 100 ll aliquot of stock tubulin, then adding mM MgSO4 and mM ... to try and circumvent the potential issue of salt co-deposition during the drying of protein solutions, as well as probing the in uence of the screening of the surface charges by ions in solution ... 2:135–143 considering the structure of fluid flow inside the drying droplet Flow lines are indeed present that are mostly attributed to the joint action of contact line pinning and evaporation [32],...

Ngày tải lên: 22/06/2014, 18:20

... (MgSO4) and 0.5 mM guanosine 5¢-triphosphate sodium salt hydrate (GTP) Polymerization of tubulin into MTs was induced by thawing a 100 ll aliquot of stock tubulin, then adding mM MgSO4 and mM ... to try and circumvent the potential issue of salt co-deposition during the drying of protein solutions, as well as probing the in uence of the screening of the surface charges by ions in solution ... 2:135–143 considering the structure of fluid flow inside the drying droplet Flow lines are indeed present that are mostly attributed to the joint action of contact line pinning and evaporation [32],...

Ngày tải lên: 22/06/2014, 22:20

... treatment of rheumatoid arthritis However, inadequate information is available on in situ expression of both COX-1 and COX-2 within the growth plate to correlate in vitro findings with the in situ situation ... chondrocytes in vitro and in situ Protein expression of COX-1 and COX-2 was studied using isoform-specific antibodies Both COX isoforms could be detected in all zones of the growth plate In cultured ... analysis and interpretation of data and was involved in drafting the manuscript CJK was involved in data interpretation, drafting the manuscript and revised it critically for the physiological and...

Ngày tải lên: 09/08/2014, 08:22

... arteries and veins to histamine and 5-HT in lung explants of guinea-pigs Br J Pharmacol 1998, 123:1525-1532 Martin C, Uhlig S, Ullrich V: Videomicroscopy of methacholineinduced contraction of individual ... airways, whereas veins where at a distance from them, and 2) arterial walls had a thick media and their inner lining was slightly wrinkled, whereas veins were thinner and wrinkles were inconspicuous ... indomethacin (10-5 M) or the combination of apamin and charybdotoxin (5 × 10-7 M and 10-7 M) which together inhibit EDHF release (18) For these experiments incubations were continued for 10 minutes...

Ngày tải lên: 12/08/2014, 16:20

... consisting of mechanical consolidation, sintering and extrusion Mechanical testing however often exhibits controversial results and the understanding on deformation behavior of fine grained/nc ... understand how these materials are sensitive to processing parameters and grain size effect on their deformation behaviors Contamination during milling and grain growth during secondary process of ... mechanochemical milling Synthesis of Mg-5wt%Al reinforced with 1wt% of in- situ formed AlN via mechanical milling and power metallurgy techniques Study of microstructures and mechanical properties of Mg MMCs...

Ngày tải lên: 14/09/2015, 14:10

... recovery during milling was confirmed by the corresponding low internal strain The internal strain during milling showed inverse grain size dependence Absence of dislocations within the grains of as ... and Zr and contamination to the extent of 10% is possible in Zr- and Ti- base alloys Milling in high purity argon or in vacuum or in a reducing medium such as toluene and performing powder handling ... Hwang et al [119] In the early stage of milling, deformation by twinning and re-twinning within the grains develops sub-grain boundaries, which eventually defined nanometre-sized grains A rapid decrease...

Ngày tải lên: 14/09/2015, 14:10

... powder increased with further milling Higher and distinct AlN peaks indicating higher 51 In- situ formation of Aluminium Nitride composite powder crystallinity of AlN particles could be observed in ... Morphology of Al powder and (b) structure of pyrazine In this study, in- situ formed AlN composite powder is obtained by milling the mixture of elemental Al with pyrazine (C4H4N2) which shows a ring-type ... shown in Figs 3.1(a) and (b) Due to the high concentration of nitrogen in parazine, relatively fast direct nitriding reaction compared to NH3 gas can be maintained during the milling process During...

Ngày tải lên: 14/09/2015, 14:10

... increasing milling duration, broadening of XRD peaks and declining in peak intensity are observed due to the reduction in grain size and introduction of microstrain during milling In Fig 4.1(b), intensities ... strengthening from grain refinement after 10h-MM is more pronounced for pure Mg indicating grain refinement strengthening mechanism dominates in the initial milling of 10h and 20h in the composite ... samples increase near to Tm of Mg matrix (650°C) after 40h of milling indicating no apparent influence of second phases and reinforcement on melting with longer milling duration It is interesting...

Ngày tải lên: 14/09/2015, 14:10

... following findings indicate the dominant role of grain boundary in deformation of 40h-MMed composite samples such as thermally activated unpinning of boundaries due to enhanced diffusivity in grain boundaries ... illustrated in Fig 5.4 Generally, gradual increase in ductility was observed with decreasing strain rate for all milling durations and increasing milling duration at all strain rates It is quite interesting ... stress of Hall-Petch strengthening as in dislocation unlocking from impurity or alloying atmosphere, or breaking of barriers in grain or dislocation structure could also cause the softening [48]...

Ngày tải lên: 14/09/2015, 14:11

... atoms, (ii) grain-boundary sliding and (iii) interfacial reaction for the sink and the creation of vacancies in grain boundaries Energy dissipated in both the grain-boundary sliding and interfacial ... fraction of second phase constituents, since the Mg grain size is in nanoscale and thus less likely for the reinforcement and in- situ formed particles to exist in the interior of the Mg grain, this ... logarithmic coordinates of  and  is shown in Fig 6.1 The relationship between stress and creep strain rate is not linear at different temperatures Two outstanding features of the influence of particles...

Ngày tải lên: 14/09/2015, 14:11

... grain sizes and then performing systematic tests under identical conditions of temperature and stress for the purpose of determining the values of the grain size sensitivity, and (c) performing ... temperature, and grain size is essential In the case of nc materials, this type of information may be obtained by (a) conducting creep tests over a wide range of strain rates (at least five orders of magnitude) ... tests and TEM microstructural examination can be performed on the pure Mg samples to confirm the diminishing effect of reinforcements (insitu formed second phase particles and/ or ex -situ reinforcement...

Ngày tải lên: 14/09/2015, 14:11

... EPOXIDATION OF STYRENE USING ONLINE RAMAN AND IN- SITU FTIR MONITORING TECHNIQUES QUAH CHEE WEE (B.Eng.(Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF CHEMICAL ... how interesting and fulfilling the actual experience can be Research can be utterly tedious and involves unassuming patience cum perseverance working towards making scientific contribution in ... Band Targeting and Corana’s Self-Annealing 3.5.3 Pure Component Spectra Reconstruction 3.5.4 Effect of Dosing on Concentration Profile 99 Chapter Results and Discussions 4.1 Interpretation of...

Ngày tải lên: 26/09/2015, 10:34

... lung, and kidney were fixed in 10% phosphate buffered formalin, embedded in paraffin, sectioned, and stained with hematoxylin and eosin (H&E) In vivo pharmacokinetics and bioavailability In vivo ... stability and toxicity of PANs, and further investigated the sustained release behavior in vivo of drug loading in PANs PA was firstly synthesized and characterized by FT-IR and 1H NMR, and then ... drug concentration of EPI and PA/EPI after i.v injection in rats at a single equivalent dose of 10 mg/kg Table 5.  Pharmacokinetic parameters of EPI and PA/EPI i.v injected in rats at the equivalent...

Ngày tải lên: 23/04/2013, 21:38

... separation in thin-coated capillaries containing nonpolymerized gel matrices and laser detection systems The introduction and removal of polymer from the capillaries, plus loading and running samples and ... a combination of such factors (Chapter 4) In such Analysis, sequencing and in vitro expression of PCR products 89 cases it is often possible to increase the sensitivity of the analysis in order ... exhausted the primer in excess continues to allow linear accumulation of one strand of DNA suitable for subsequent DNA sequencing Analysis, sequencing and in vitro expression of PCR products 99...

Ngày tải lên: 25/10/2013, 22:20

... residues known to be involved in binding and hydrolysis of the guanidino group of l-arginine by arginase are strictly conserved in the active site of the agmatinases [19] Moreover, modeling studies have ... group of the substrate, which makes the difference between arginine and agmatine Agmatine, which results from decarboxylation of arginine by arginine decarboxylase, is a metabolic intermediate in ... et al substrate l-arginine [11,13] Particularly interesting has been a possible role of arginase II in regulating the availability of l-arginine for nitric oxide synthesis in human penile and clitoral...

Ngày tải lên: 20/02/2014, 02:21

... this final pool of addresses This “global proposal” was discussed at the LACNIC X meeting in May 2007, in the APNIC 24 meeting in New Delhi in September, and in ARIN and RIPE meetings in October ... informed policy-making  Monitor IPv6 readiness, including by monitoring information on national peering points offering IPv6 connectivity, Internet Service Providers offering commercial IPv6 ... Overview of major initiatives in Internet addressing and routing to-date Internet routing and addressing have been revised over the years to support the expansion in the global use of Internet, with...

Ngày tải lên: 06/03/2014, 21:20