sensing with nanotubes nanowires and nanoparticles
Polymer assisted synthesis of aligned amorphous silicon nanowires and their core shell structures with au nanoparticles
... SiNWs and the metal–SiNWs composite materials, and make the processes more cost-effective bin Yvon T64000), and X-ray photoelectron spectroscopy (XPS, Perkin–Elmer PHI-5702) Experimental Results and ... crystal silicon substrates (1 0) and (1 1), respectively, that sequentially cleaned with deionized water, ethanol, and acetone, to allow the formation of the polymer film with the thickness of 200 nm ... substrate with the assistance of PPC polymer, and simply fabricated SiNWs wrapped highly dispersed Au nanoparticles In our synthesis system, Si substrate is used as the source of SiNWs, and the...
Ngày tải lên: 16/03/2014, 15:06
Silicon carbide nanowires synthesized with phenolic resin and silicon powders
... are key factors for the formation of b-SiC nanowires This paper proposed a method to synthesize SiC nanowires with phenolic resin and silicon powders without using any metal catalysts The advantages ... preparation, the nanowires were first dispersed in ethanol under ultrasonic vibration over 15 and then placed onto standard carbon-coated copper grids Fig A typical SEM image of SiC nanowires Fig ... HRTEM lattice image and SAED pattern of SiC nanowires 755 respectively Fig 5a suggests that the stem of the bamboo-like SiC nanowire is amorphous SiC without stacking faults and planar defects...
Ngày tải lên: 16/03/2014, 15:20
gas - sensing properties of tin oxide doped with metal oxides and carbon
... response to ethanol gas and LPG compared with that of SnO2 doped with the other dopants Among carbon nanotubes- doped SnO2 sensors, the sensor doped with 0.1 wt% MWCNTs with a diameter ranging ... article in press as: N Van Hieu, et al., Gas -sensing properties of tin oxide doped with metal oxides and carbon nanotubes: A competitive sensor for ethanol and liquid petroleum gas, Sens Actuators ... -doped SnO2 sensors with varying PtO2 doping content Please cite this article in press as: N Van Hieu, et al., Gas -sensing properties of tin oxide doped with metal oxides and carbon nanotubes: A competitive...
Ngày tải lên: 19/03/2014, 16:48
semiconductor nanowires and nanotubes
... Ghosh, and A.D Stiff-Roberts SYNTHESIS ROUTES FOR LARGE VOLUMES OF NANOPARTICLES, Ombretta Masala and Ram Seshadri SEMICONDUCTOR NANOWIRES AND NANOTUBES, Matt Law, Joshua Goldberger, and Peidong ... only NANOWIRES AND NANOTUBES P1: FHD 105 Figure 13 (a) Thermal conductivities of 58 nm and 83 nm diameter single crystalline Si/SixGe1−x superlattice nanowires The value of x is ∼0.9–0.95 and ... surfaces of the nanowires and the substrate with self-assembled monolayers (SAMs), it is possible to control the attractive and repulsive interactions that dictate where and how nanowires attach...
Ngày tải lên: 20/03/2014, 13:07
titanium oxide nanotubes, nanofibers and nanowires
... well crystalline tubes with multiple shells of 1–5 layers, and a shell spacing is about 0.78 nm The tubes are hollow and Results and discussion 3.1 Nanotubes Titanium oxide nanotubes can be formed ... obtained nanowires The nanowires are almost uniform with a diameter of 5–10 nm and a length in the range of several micrometers to several tens micrometers Such nanowires can be synthesized with ... these nanosheets were often bent (Figs and 4) The Na+ ions attached in nanotubes and nanosheets could be exchanged and removed after washing with water and diluted acid solution Titanium in the...
Ngày tải lên: 20/03/2014, 13:11
Báo cáo hóa học: " Intermatrix synthesis: easy technique permitting preparation of polymer-stabilized nanoparticles with desired composition and structure" ppt
... towards H2O2 with (a) CuS-PSNPs-based amperometric sensors synthesized by in situ and ex situ IMS technique and (b) with Cu and CuS-PSNPs-based amperometric sensors freshly prepared and after days ... synthesis and characterization JM participated in the interpretation of the results MM and DNM conceived of the study, and participated in its design and coordination All authors read and approved ... Page of Figure TEM images and EDS spectra of core shell Pt@Cu- (a, b) and core sandwich Ru@Pt@Cu-PSMNPs(c, d) obtaining INP-based nanocomposites of tuneable compositions and structures One additional...
Ngày tải lên: 21/06/2014, 04:20
Báo cáo hóa học: " Bi-Functional Silica Nanoparticles Doped with Iron Oxide and CdTe Prepared by a Facile Method" doc
... doped with iron oxide nanoparticles and CdTe QDs by this protocol for the first time The preparation procedure was shown in Scheme 1, iron oxide nanoparticles were first coated with silica and then ... core–shell nanoparticles were collected by centrifugation and the silica coated iron oxide nanoparticles were denoted as FS nanoparticles The surfaces of FS nanoparticles were modified with amino ... centrifugation and it was denoted as FSC nanoparticles The prepared FSC nanoparticles were further coated with an outer silica layer After being dispersed in mL of H2O and mL of ethanol, lL of APTMS and...
Ngày tải lên: 22/06/2014, 00:20
báo cáo khoa học: "Optimized labeling of bone marrow mesenchymal cells with superparamagnetic iron oxide nanoparticles and in vivo visualization by magnetic resonance imaging" ppsx
... coverslips coated with 0.2% gelatin, washed twice with warm PBS and fixed for 20 in 4% paraformaldehyde at 37ºC After fixation, the cells were washed twice with PBS and incubated with Perls’ reagent ... grown and fixed as described above The cells were washed three times with PBS with 0.1% Triton X-100, incubated with 5% normal goat serum (Sigma-Aldrich) in PBS for 30 min, and then incubated with ... labeled with Feridex and PLL for or 24 hrs (G) MSCs labeled with Feridex and protamine for or 24 hrs (H) Measurements of proliferative capacity of MSCs incubated with FeProt complexes for hrs and...
Ngày tải lên: 11/08/2014, 00:22
Creating Cool Web Sites with HTML, XHTML, and CSS
... Web Sites with HTML, XHTML, and CSS Dave Taylor Creating Cool Web Sites with HTML, XHTML, and CSS Creating Cool Web Sites with HTML, XHTML, and CSS Dave Taylor Creating Cool Web Sites with HTML, ... Publishing logo and related trade dress are trademarks or registered trademarks of John Wiley & Sons, Inc and/ or its affiliates, in the United States and other countries, and may not be used without ... Web Sites with HTML, XHTML, and CSS is an introduction to HTML, XHTML, and Cascading Style Sheets HTML is the HyperText Markup Language, and it’s the language that enables you to create and publish...
Ngày tải lên: 27/08/2012, 09:03
Báo cáo y học: "Special considerations in the treatment of patients with bipolar disorder and medical co-morbidities"
... associated with risperidone, quetiapine and ziprasidone, and more frequently with clozapine and olanzapine [26,27] http://www.general-hospital-psychiatry.com/content/3/1/7 Of note, those with baseline ... 50% in patients with CHF [41] Women with obesity and polycystic ovaries or hyperandrogenism treated with valproate have also been shown to have elevations in serum triglycerides and low HDL to ... patients with cancer and has been found to have an antiemetic effect [82], as well as reducing pain scores and opioid requirements in patients with uncontrolled cancer pain associated with cognitive...
Ngày tải lên: 25/10/2012, 10:51
Báo cáo y học: "Characterization of erythrovirus B19 genomes isolated in liver tissues from patients with fulminant hepatitis and biliary atresia who underwent liver transplantation"
... AAA GC-3', nt 2143-2162) and PV1R for the 1st PCR and PV6 (sense, 5'-GGC GCC TGG AAC ACT GAA AC-3', nt 2208-2227) and PV2R for the 2nd PCR; for fragment C (1297 bp), PV1 and PV3R (sense, 5'-TAC ... detected in 10 of 28 (35.7%) patients with fulminant hepatitis and of 19 (36.8%) patients with BA, respectively (statistically not significant) Except for two infants with fulminant hepatitis who were ... 14 isolates of the B19 genome (10 isolates with nearly full-length sequences (4561 bp) that covered the complete genes of NS1, VP1 and VP2 and isolates with only one short sequence in the NS1)...
Ngày tải lên: 26/10/2012, 10:03
Mobile 3D Graphics with OpenGL ES and M3G
... display list invocation commands (CallList and CallLists; see section 5.4), and the EdgeFlag command Executing any other GL command between the execution of Begin and the corresponding execution ... commands set the s coordinate to the provided single argument while setting t and r to and q to Similarly, TexCoord2 sets s and t to the specified values, r to and q to 1; TexCoord3 sets s, t, and ... augmented with a bit indicating whether or not the edge beginning on that vertex is boundary or non-boundary 2.6.3 GL Commands within Begin/End The only GL commands that are allowed within any...
Ngày tải lên: 03/11/2012, 11:23
Propelling Business Growth With A Secure And Continuous Information Infrastructure
... tape and validated Application: restored from tape and validated Data: restored from tape and validated Connectivity: restored and validated Redundancy of data: recover lost transaction and ... tape and validated Application: restored from tape and validated Data: restored from tape and validated Connectivity: restored and validated Redundancy of data: recover lost transaction and ... Storage and Management Challenges Information stored on disk arrays ~ 70% IT budget growth ~ - 5% IT environment getting more complex SLA’s continue to expand and tighten Protection and security...
Ngày tải lên: 24/04/2013, 20:04
Improvement of nutrient removal and phosphorus recovery in the anaerobic/oxic/anoxic process combined with sludge ozonation and phosphorus adsorption
... process with ozonation and phosphorus adsorption: A, previous study (Suzuki et al., 2006); B, this study - 136 - Journal of Water and Environment Technology, Vol 7, No 2, 2009 MATERIALS AND METHODS ... NO2-N, and PO4-P were measured with a TRAACS 2000 (Bran+Luebbe, Japan) RESULTS AND DISCUSSION The A/O/A process combined with the microbubble ozonation system and the phosphorus adsorption column ... Kuba, T., van Loosdrecht, M.C.M and Heijnen, J.J (1996) Phosphorus and nitrogen removal with minimal COD requirement by integration of denitrifying dephosphatation and nitrification in a two-sludge...
Ngày tải lên: 05/09/2013, 09:38
Nitrogen Dynamics and Biomass Production in a Vertical Flow Constructed Wetland Cultivated with Forage Rice and their Mathematical Modeling
... (3) where NHi and NOi represent NH4-N and NO2+3-N in the ith layer [g-N/m2], respectively, and Nrice is the rice nitrogen [g-N/m2] The terms radv,NH,i and radv,NO,i are the NH4-N and NO2+3-N inflow ... production and water treatment and a detailed understanding of the nitrogen dynamics in VF constructed wetlands CONCLUSIONS In the experimental pots replicating VF constructed wetlands, a variety ... study The apparent density and porosity of the ando soil were 0.44×106 g/m3 and 0.676 m3/m3, respectively Gravels (diameter = ca to cm) were put into the gravel zone, and unwoven cloths were installed...
Ngày tải lên: 05/09/2013, 09:38
An experimental investigation of performance and exhaust emission of a diesel engine fuelled with Jatropha biodiesel and its blends
... unreacted remainder of methanol and catalyst which if not removed can react and damage storing and fuel carrying parts During washing ester present react with water and can form soap Two to three ... energy consumption and thermal efficiency were calculated The emissions such as CO, HC, and NOx were measured using exhaust gas analyzer and smoke with smoke meter These performance and emission characteristics ... economic yield can be considered to range between 0.75 and 2.00 kg/plant and 4.00 and 6.00 MT per hectare per year depending on agro-climatic zone and agriculture practices One hectare of plantation...
Ngày tải lên: 05/09/2013, 16:11
Reporting with Web Services and Mobile Devices.
... REPORTING WITH WEB SERVICES AND MOBILE DEVICES //declare connection, command and other related objects SqlConnection conReport = new SqlConnection(cnString); SqlCommand cmdReport = new SqlCommand(); ... reader and populate the dataset cmdReport.CommandType = CommandType.Text; cmdReport.Connection = conReport; cmdReport.CommandText = "Select TOP * FROM Dbo Itinerary"; //read data from command object ... REPORTING WITH WEB SERVICES AND MOBILE DEVICES Figure 6-9 The final look of the dtItinerary data table Step 2: Designing the Report Layout All right, we have our dataset in place with the data table and...
Ngày tải lên: 05/10/2013, 08:48
Extended Web Services Security with WS-Security and WS-Secure Conversation
... communications with multiple round trips (by using the security context token) The difference between secure conversation and standard secure message exchange (with WS-Security and WS-Policy) is that a standard ... on-demand secure communication session with a Web service The session may be required for the duration of one request, or for several back -and- forth requests and responses between the client and ... tab, and click the Add button Name this policy MutualCertificatePolicy and click OK 143 701xCH07.qxd 144 7/17/06 1:23 PM Page 144 CHAPTER ■ EXTENDED WEB SERVICES SECURITY WITH WS-SECURITY AND...
Ngày tải lên: 05/10/2013, 08:48