``in situ´´ another sword of damocles
báo cáo khoa học:" Recent technological developments: in situ histopathological interrogation of surgical tissues and resection margins" ppt
Ngày tải lên :
11/08/2014, 23:22
... consists of mainly of assessing the vascular pattern, inter-capillary distance, surface contour, colour, tone, and clarity of demarcation The accuracy of colposcopy for the detection of mucosal ... carcinoma on the basis of the clinical finding Such a progression of mucosal change cannot be detected because areas of suspected mucosal change may contain foci of varying degrees of dysplasia Regular ... of normal and abnormal mucosa were 0.85 Table 2: Interobserver reliability Number of observed agreements 37 (92.50% of the observations) Number of agreements expected by chance 20.0 (50.00% of...
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ANALYSIS OF MICROBIAL COMMUNITY STRUCTURE AND IN SITU ACTIVITY OF NITRIFYING BIOFILMS
Ngày tải lên :
05/09/2013, 08:40
... performed Fixation and Cryosectioning of Biofilm Samples Biofilm samples were taken at regular time intervals during the periods of the biofilm development The biofilm samples were fixed with freshly ... steady-state microprofiles of O2, NH4+, NO2-, and NO3- in the autotrophic nitrifying biofilm (B) The distribution and magnitude of the estimated specific rates of net consumption and production of NH4+, ... rates of NH4+, NO2-, and NO3- The biofilm surface was at a depth of zero The values are means of triplicate measurements Microelectrode Measurements Steady-state concentration profiles of O2,...
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Báo cáo khoa học: In situ proton NMR analysis of a-alkynoate biotransformations ppt
Ngày tải lên :
08/03/2014, 08:20
... consumption of the acetaldehyde added and the production of equal amounts of 3-hydroxypropanoate, while the concentration of transient 3-ketopropanoate was too low to be detected Addition of mM acetaldehyde ... metabolism (A) Spectrum of the substrate (B) Spectrum after 36 h Small amounts of acetealdehyde and 3-ketopropanoate were identified by the addition of standard solutions Larger amounts of acetate and ... and does not affect growth rates by means of isotopic effects [16] Addition of defined amounts of D2O, however, is useful to determine the incorporation of protons from the solvent into the products...
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micelle-assisted synthesis of polyaniline magnetite nanorods by in situ self - assembly process
Ngày tải lên :
20/03/2014, 13:04
... the decomposition of PANI As seen from the TGA curves, the rate of weight loss of PANI (curve a) is much fast, the residue of PANI is 44.06%; while the rate of weight loss of PANI/magnetite nanocomposites ... remarkable decrease of Ms values should be attributed to the formation of many magnetite particles absorbed on the surface of PANI nanorods As shown in Fig 4, the magnetic hysteresis loops of PANI/magnetite ... the ice-water bath Then, ml of X Ding et al / Journal of Colloid and Interface Science 320 (2008) 341–345 343 Fig Schematic illustration of the synthesis process of PANI/magnetite nanorod composites...
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Báo cáo khoa học: Identification of a preferred substrate peptide for transglutaminase 3 and detection of in situ activity in skin and hair follicles pdf
Ngày tải lên :
29/03/2014, 21:20
... specificity of Tgases and have expanded the range of application of the enzyme reaction [20] TGase 3, initially designated as an epidermal-type enzyme, is responsible for formation of the epidermis ... concerted reactions result in formation of the cornified envelope (CE), a specialized component consisting of covalent crosslinks of proteins beneath the plasma membrane of terminally differentiated keratinocytes ... localization of activated TGase 3, which was found to display a pattern distinct from that of TGase 1, was observed by the detection of in situ activities using this peptide Results Screening of candidate...
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in situ detection of dna damage, methods and protocols
Ngày tải lên :
11/04/2014, 09:47
... Nature of the Ends of the Fragments 3.3.1 Processing of Cells and Extraction of DNA Each flask should contain a minimum of 107 cells Remove the medium from each flask and set aside Add mL of trypsin/ ... cleavage of each strand of the DNA duplex is offset generating fragments with a 3' recess 1.1 The Nature of the DNA Fragments Endonucleases cleave DNA by attacking the phosphodiester bonds of the ... new microfuge tube Precipitate the DNA from this supernatant as in step Resuspend the precipitated DNA in 50 µL of TE buffer in a microfuge tube (see Note 19) 3.3.2 Labeling of 3'-OH Ends of DNA...
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in situ photography of picosecond laser ablation of nickel
Ngày tải lên :
06/05/2014, 08:55
... heating and expansion of the air adjacent to the heated surface The remainder of the photographs are for experiments above the phase explosion threshold fluence of 2.0 J/cm2 Results of ablation at an ... (2002) 118–123 Fig Transient microphotographs of ablation at average fluence of 3.1 J/cm2 Fig Transient microphotographs of ablation at average fluence of 5.3 J/cm2 D.A Willis, X Xu / Applied Surface ... that is mounted on a micrometer stage Moving the position of the prism changes the path length of the probe laser and the arrival time of the probe beam (with respect to the pump beam) at the...
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Báo cáo hóa học: "Prognostic Impact of MiR-155 in Non-Small Cell Lung Cancer Evaluated by in Situ Hybridization" pot
Ngày tải lên :
18/06/2014, 16:20
... Department of Oncology, University Hospital of North Norway, Tromso, Norway 2Institute of Clinical Medicine, University of Tromso, Tromso, Norway 3Department of Pathology, University Hospital of North ... al Journal of Translational Medicine 2011, 9:6 http://www.translational-medicine.com/content/9/1/6 Page of by the log rank test DSS was determined from the date of surgery to the time of lung cancer ... 4Institute of Medical Biology, University of Tromso, Tromso, Norway 5Department of Pathology, Nordland Central Hospital, Bodo, Norway Authors’ contributions TD participated in the design of the study,...
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báo cáo hóa học:" Assessing mechanical integrity of spinal fusion by in situ endochondral osteoinduction in the murine model" potx
Ngày tải lên :
20/06/2014, 04:20
... imply the induction of directed formation of bone essential for spinal arthrodesis [10] Often heterotopic bone bridging transverse processes of the vertebrae was not capable of restricting intervertebral ... testing Of note, it is unclear what effect, if any, fixation has on the mechanical attributes of the tissue For mechanical testing spines were first cast in the center of a × × cm block of dental ... was directed parallel to the long dimension of the plastic pieces Palpation Integrity of the fusions was qualitatively confirmed after removal of soft tissues with bleach and manual palpation...
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báo cáo hóa học:" Assessing mechanical integrity of spinal fusion by in situ endochondral osteoinduction in the murine model" pptx
Ngày tải lên :
20/06/2014, 07:20
... imply the induction of directed formation of bone essential for spinal arthrodesis [10] Often heterotopic bone bridging transverse processes of the vertebrae was not capable of restricting intervertebral ... testing Of note, it is unclear what effect, if any, fixation has on the mechanical attributes of the tissue For mechanical testing spines were first cast in the center of a × × cm block of dental ... was directed parallel to the long dimension of the plastic pieces Palpation Integrity of the fusions was qualitatively confirmed after removal of soft tissues with bleach and manual palpation...
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báo cáo hóa học:" Squamous cell carcinoma in situ arising in mature cystic teratoma of the ovary: a case report" ppt
Ngày tải lên :
20/06/2014, 07:20
... care of the patient SB: participated in the writing of article MR and LG: realized the histopathologic analysis HM: participated in the writing of article HE: Validated content and form of the ... Zakkouri et al Journal of Ovarian Research 2011, 4:5 http://www.ovarianresearch.com/content/4/1/5 Page of in mature cystic teratoma of the ovary: systematic review and analysis of published data Lancet ... Oncology, National Institute of Oncology, Rabat, Morocco 2Laboratory of Histopathology “Hassan”, Rabat, Morocco Authors’ contributions FAZ: participated in the care of the patient and wrote the...
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Báo cáo hóa học: " In situ Control of Si/Ge Growth on Stripe-Patterned Substrates Using Reflection High-Energy Electron " potx
Ngày tải lên :
21/06/2014, 08:20
... stages of growth with a rate of -10°C/sec, and then transferred under UHV to the attached STM chamber Imaging was performed at tunneling currents of around 0.1 nA and applied sample bias of 2–4 ... have been found to be one of the major low-energy surfaces of silicon [21, 22], meaning that the sidewall facettation leads to a lowering of the total surface energy of the system After 20 nm ... depicted below the ridges and filling of the grooves (see STM image of Fig 3), which decreases the amount of (001) surface area on the stripes Toward the end of buffer growth at 520°C, however,...
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báo cáo hóa học:" Reduction of graphene oxide by an in-situ photoelectrochemical method in a dye-sensitized solar cell assembly" ppt
Ngày tải lên :
21/06/2014, 17:20
... method [24] In brief, 1.6 g of nanocrystalline TiO2 and 0.7 g of ethyl cellulose were suspended with mL of terpilenol Five layers of 20-nm-sized TiO2 particles and two layers of 400-nm-sized TiO2 particles ... ST, Ruoff RS: Synthesis of graphene-based nanosheets via chemical reduction of exfoliated graphite oxide Carbon 2007, 45:1558-1565 Park S, Ruoff RS: Chemical methods for the production of graphenes ... (b) TEM and (c) HRTEM images of RGO Figure Mechanism of in-situ photoelectrochemical reduction of GO in a DSSC assembly Table Percentages of oxygen-containing groups of GO and RGO from XPS data...
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Báo cáo hóa học: " In Situ Mineralization of Magnetite Nanoparticles in Chitosan Hydrogel" ppt
Ngày tải lên :
21/06/2014, 20:20
... This chelation effect of CS–Fe complex is the base of mineralization of magnetite in chitosan hydrogel, as demonstrated in this article Also, XPS can provide the Fe content of the CS–Fe complex, ... Degradation of magnetite/chitosan composite by H2O2 caused slight oxidation of mineralized magnetite nanoparticles, which induced a slight increase of d by 0.06 approximately However, because of the ... coated by a thin layer of chitosan Moreover, the TEM morphology of mineralized magnetite nanoparticles proved the existence of chitosan layer In order to obtain the amount of chitosan layer on...
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Báo cáo hóa học: " In Situ Loading of Basic Fibroblast Growth Factor Within Porous Silica Nanoparticles for a Prolonged Release" ppt
Ngày tải lên :
22/06/2014, 00:20
... profile of bFGF refers to the relatively released concentration of (C*/C0 ) as a function of t Here, C* represents the concentration of released bFGF in PBS at predetermined intervals of time ... viability (% of control) as a function of the concentration of MSNs during the period from day to day is shown in Fig The cell viability (% of control) are obtained by normalizing the value of the ... internalization of pure MSNs (50 lg/mL) was Cell viability (% of control) 180% Fig Confocal microscope image of the uptake of MSNs in cell (FITC from cell stain solution are absorbed on the surface of MSN...
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Báo cáo hóa học: " In Situ Generation of Two-Dimensional Au–Pt Core–Shell Nanoparticle Assemblies" pptx
Ngày tải lên :
22/06/2014, 00:20
... formation of Au–Pt NP assembly over a larger area, without much long range ordering An average height of 7.4 ± 1.3 nm is obtained for the Au–Pt NPs from the analysis of a number of AFM images of different ... analysis software Surface coverage of different nanoparticles was estimated by analyzing the mean grain area and number of grains present in a typical lm lm (total area = lm2) AFM image of the respective ... 62 deposition of Pt layer onto preformed self-assembled seed Au NPs on silicon surfaces through the reduction of PtCl62- in presence of NH2OH as the mild reducing agent [14] In another recent...
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Báo cáo hóa học: " A Novel Method to Fabricate Silicon Nanowire p–n Junctions by a Combination of Ion Implantation and in-situ Doping" docx
Ngày tải lên :
22/06/2014, 00:20
... The inset of Fig 3a shows the I–V curve of the substrate of the NW As can be seen from Fig 3a, all the p–n NWs show excellent rectifying characteristics with an ON/OFF current ratio of 168, 120, ... curve of the substrate in the same voltage range b Semi-log plot of the I–V curves in Fig 3a For extracting the ideality factors of the p–n junctions, the linear regions of the curves of the ... of Fig The measured electrical current–voltage (I–V) characteristics from the NWs a I–V curves of three p–n NWs and a p–i (unimplanted) NW Please refer to Table for details of the NWs Inset of...
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Báo cáo hóa học: " In situ Polymerization of Multi-Walled Carbon Nanotube/Nylon-6 Nanocomposites and Their Electrospun Nanofibers" pot
Ngày tải lên :
22/06/2014, 01:20
... temperature of weight loss of the P-MWNTs occurred at 600 °C while that of the F-MWNTs occurred at 460 °C The early weight loss of the F-MWNTs could be attributed to the stripping off of aromatic ... homogeneous dispersion of CNTs, the efficient and more or less destructive chemical modification of CNTs would be the best option [23] The aligned CNTs have been synthesized by the deposition of CNTs onto ... nanofibers with acid-treated MWNTs, and studied the effect of collector speed on the morphologies of the nanofibers and the crystal structures of the nylon-6 In the present study, we employed the aromatic...
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Báo cáo hóa học: " Double In Situ Approach for the Preparation of Polymer Nanocomposite with Multi-functionality" potx
Ngày tải lên :
22/06/2014, 01:20
... mL of water and 52 mL of BuOH The actual volume of water removed was 184 mL and of BuOH was 50 mL Thus, the extent of the reaction was more than 96% Transmission electron microscope images of ... Effective control of the hydrolysis is thus a prime difficulty In the present approach, based on our previous work, we take advantage of the continuous generation of small quantities of water produced ... us (Dr De-Yi Wang) would like to thank the supports of Innovation funds of Students of Sichuan University and the EPSRC (UK) for the provision of a visiting fellowship References A Fujishima, K...
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In situ EC - AFM study of effect of lignin on performance ppsx
Ngày tải lên :
05/07/2014, 20:21
... a potential of À1200 mV All tests were performed at a temperature of 25 8C An outline of these cell preparation processes is also shown in Fig 2.4 EC-AFM observation with oxidation of the electrodes ... developed an understanding of the mechanism of the lignin that is based on both an adsorbed form of the lignin on the electrode surface and its in¯uence on the diffusion of lead ions during the ... the sparse deposition of lead sulfate crystals shown in image (D) of Fig A model of the lignin effect is illustrated in Fig 6d±g The drawing (d) represents the initial effect of lignin When absorbed...
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