loaded nitrogen doped tio2 photocatalysts for the degradation of aquatic pollutants under sun light
Modified titanium dioxide (tio2) photocatalysts for the degradation of organic pollutants in wastewater
... describes the fabrication of a solid solution, Bi1 2TiO20 , and its photoactivity for degradation of methanol under visible light irradiation The enhancement of the photoactivityof P25 TiO2 pellet ... products; 6) Transfer of products out of the pore structure to the exterior of the catalyst surface; 7) Transfer of products from the external surface of the catalyst to the bulk of the fluid Figure ... polycrystalline form On the other hand, the values of ψcat and ψan together with the surface physicochemical properties of the particles strongly influence the catalytic behavior of the semiconductor The...
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Development of bismuth based visible light driven photocatalysts for the degradation of organic pollutants
... where χ is the electronegativity of the semiconductor which is taken as the geometric mean of the electronegativities of the component elements of the semiconductor, Ee is the energy of the free ... photocatalytic degradation process, a component (the organic pollutant or the photocatalyst) absorbs the energy in the form of light with a certain wavelength, the transient electronic excited states of the ... in the presence of BiOI pH 350-3 217 Figure 6.22 Effect of the scavengers on the p-cresol degradation rate in the presence of BiOI pH 350-3 under visible light 217 Figure 6.23 Photocatalytic degradation...
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Báo cáo hóa học: " Mesoporous nitrogen-doped TiO2 sphere applied for quasi-solid-state dye-sensitized solar cell" doc
... nanoparticle The main goal of this study is to examine the effect of the plasma treatment and dithiol grafting on the binding of the gold nanoparticles to the polymer surface Surface properties of the ... transform infrared spectroscopy (FTIR), electrokinetic analysis were used for the characterization of surface chemistry of the modified polymer and atomic force microscopy (AFM) for the study of ... the gold nanoparticles Their “non-globular” shape in probably caused with the convolution of the tip with the sample’s surface For the sake of clarity, the 2D AFM images of PET treated by plasma,...
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báo cáo hóa học:" Increases in solar conversion efficiencies of the ZrO2 nanofiber-doped TiO2 photoelectrode for dye-sensitized solar cells" pot
... shows the FE-SEM images of the TiO2 film's surface and the wt.% ZrO2 nanofiberadded TiO2 film's surface In the ZrO2 nanofiber-added TiO2 film in Figure 2b, the ZrO2 nanofiber was shown at the surface ... surface of the TiO2 film, or the TiO2 film was studded with the ZrO2 nanofiber The TiO2 film's surface area was increased, and the dye adsorption contents became larger by the addition of the ZrO2 ... ZrO2 nanofiber -doped TiO2 film Figure BJH curve of TiO2 film (triangle) and wt.% ZrO2 nanofiber -doped TiO2 film (square) Figure UV-Vis spectrum of TiO2 film and ZrO2 nanofiber -doped TiO2 film...
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ag doped wo3-based powder sensor for the detection of no gas in air
... the concentration of NO and NO2 gases because of the low concentration, one of the roles of the Ag is apparent to provide surface for the conversion of NO to NO2 according to the literature [18] ... one of the roles of promoter may be to provide a surface for the catalytic conversion of NO to NO2 that are responsible for the high sensitivity associated with the promotion However, whether ... and was then diffracted onto the detector The detector collected data for all angles in the range 4±648, 2y, simultaneously Fig gives the diffraction spectra of the WO3 before and after the NO...
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Báo cáo y học: "In vitro model for the analysis of synovial fibroblast-mediated degradation of intact cartilage" pptx
... network to the main elements of interest The focus of the model was the representation of initial cartilage destruction, thereby reflecting the main features of early matrix degradation in RA under ... protein from the cartilage matrix was strongly augmented by the SFB, further underlining the contribution of SFB to the disruption of the cartilage matrix homeostasis Therefore, the COMP appearance ... established the modified, present form of the model, performed the real-time PCR, the immunohistochemistry and the respective data analyses and wrote the manuscript D Pohlers performed some of the experiments...
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Báo cáo khoa học: "Transarterial chemoembolisation (TACE) using irinotecan-loaded beads for the treatment of unresectable metastases to the liver in patients with colorectal cancer: an interim report" pdf
... date of diagnosis of metastases was 3.4 years the median survival time from the start of TACE treatment was 1.34 years The median survival time of the palliative group was 1.4 years, of the symptomatic ... assessment of tumor response was performed for all patients by the Principal Investigator at University of Louisville When there was a discrepancy, the Registry PI and the site PI reexamined the data ... patient The average age of the 207 patients was 68.8 years (range, 39.4-83.5 years) Of these, 158 were treated for palliation, 35 to reduce symptoms, and 14 as adjuvant therapy The chemotherapy...
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catalytic activity and reaction mechanism of au,tio2 for the reduction of nox by propene
... Activity of the catalysts for the oxidation of NO to NO2 50 Figure 4-4 XRD patterns of singles and mixtures of 1%Au /TiO2 and MOx (M=Ce, Mn) 51 Figure 4-5 The TPD profiles of the ... investigate the reaction mechanism of the SCR by propene over Au /TiO2 To understand the mechanistic effect of the additional CeO2 and Mn2O3 This thesis consists of seven chapters, and the summary of each ... function of temperature Since the anatase type of the support exhibited the better performance in the HCSCR, the effect of gold content was investigated in the case of Au/Ti7 catalysts These catalysts...
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design, synthesis, and biological evaluation of new anti-cancer nitrogen-containing combretastatins and novel cysteine protease inhibitors for the treatment of chagas
... Methology suitable for the radiosynthesis of the E isomer of CA-1 121 4.16 Radiosynthesis of the E isomer of CA-1 123 4.17 Scale-up synthesis of OXi8007 124 4.18 Proposed nitrogen containing ... among the most important of which is the formation of the mitotic spindle, involved in the alignment of replicated chromosomes to the equatorial plane to promote further segregation of the chromosomes ... General Section 38 Synthesis of Nitrogen- Based Combretastatin A-4 39 Synthesis of Nitrogen- Based Combretastatin A-1 49 Synthesis of a Combretastatin A-1 Analogue 62 Synthesis of Nitrogen- Based Epoxide...
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Advantages and challenges of the spray drying technology for the production of pure drug particles and drug loaded polymeric carriers
... of a substance in solution, t is the time, dC/dt is the PT dissolution rate, D is the diffusion coefficient of the substance, S is the surface area of RI the solid, V is the total volume of the ... in mice to evaluate the effect of the formulation components and the spray-drying process on the PT immunogenicity of the HAC1 vaccine Based on the in vitro evaluation of the antigen RI content ... particles with the desired properties In the latter case, the advantage of water is associated with the non-toxicity and the reduction of the risk of explosion [1,114] Furthermore, mixtures of water...
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Exploring hybrid ni catalysts on doped ceria supports for the autothermal reforming of surrogate liquid fuel
... direct reforming of the hydrocarbon fuels The other is to carry out desulphurization of the hydrocarbon fuels prior to the reforming process The first method is very critical for the reforming catalysts ... could promote the performance of the reforming catalysts by facilitating the gasification of the adsorbed species Thus it is of great interest to employ ceria or doped- ceria as the support material ... Nevertheless, it is for sure that the fuel will crack into smaller molecules then the reforming reaction would take action This is also why the study of methane steam reforming could help understanding...
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The development and study of titanium dioxide based buoyant composite photocatalyts for improved applications in photocatalytic degradation of organic pollutants in aqueous solutions
... Light I The intensity of the light after the transmission media I0 The intensity of the light before the transmission media Ii The intensity of light with a specific wavelength IR Infrared k The ... activity of metal ion doped TiO2 decreased The activities were in the order of TiO2 > Fe3+ /TiO2 >W6+ /TiO2 > Ce4+ /TiO2 > Zr4+ /TiO2 > V5+ /TiO2 ~ Cu2+ /TiO2 The authors considered the doped metal ions ... visible light irradiation, the degradation performance increased with the increase of the immobilized TiO2 film thickness, but the degradation performance remained unchanged when under the UV light...
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Báo cáo y học: " Derivation and preliminary validation of an administrative claims-based algorithm for the effectiveness of medications for rheumatoid arthritis"
... on the prevalence in the population, and more reflective of the test itself, lessening the impact of any unique features of the VA population Moreover, we might expect that the PPV and NPV of the ... NC) Results The characteristics of the VARA participants measured at the start of each treatment episode were evaluated Because the characteristics of VARA patients at the start of non-biologic ... contrast to other RA therapies where the drugs are typically discontinued if they are not effective Because of similarities in both the descriptive characteristics of the study populations of biologic...
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Báo cáo y học: "Clinical Strategy for the Management of Solid Pseudopapillary Tumor of the Pancreas: Aggressive or Less"
... attempted for three SPT patients in whom the mass was located in the portion of body or tail of the pancreas For tumors of SPT located in the neck and body of the pancreas, resection of the midportion ... midportion of the pancreas and the mass with preserving the rim of the head and tail portion can be achieved However, for the patient in whom the mass was located within the head of the pancreas, ... 311 Fig The CT scan indicated the typical internal or capsular calcification in the SPT Once the diagnosis of SPT is made, surgery is the first choice of treatment, since other adjuvant therapies,...
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Báo cáo y học: "Endoscopic Facet Debridement for the treatment of facet arthritic pain – a novel new technique
... median period of pain relief being months The range of relief for the radiofrequency group was from zero days to 16 months for all 26 patients who underwent the radiofrequency procedure Of the 14 patients ... 100% relief of their pain in 86% of the patients with a median relief period of months The range of relief varied from zero days to up to 13 months for the facet injection group None of the lumbar ... that the direct visualization of the joint allows better de-innervation of the joint and removal of the entire end-plate receptors that adhere to the bone and capsular tissue Limitations of the...
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Báo cáo y học: "Endoscopic thoracic laminoforaminoplasty for the treatment of thoracic radiculopathy: report of 12 case"
... laminoforaminoplasty, should decrease the risk of major adverse events, allow for same day hospital discharge, and decrease the need for postoperative analgesia and immobility [5] [6] In the current ... and neural structures increases the risk of adverse events with invasive approaches Open surgical correction is the current standard of care for foraminal stenosis of cervical and lumbar vertebrae ... follow-up Results The author acknowledges that there are no conflicts of interest or financial benefits with the results of the study All twelve patients (10 males, females) completed the surgery without...
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Báo cáo y học: "Thioglycosides as inhibitors of hSGLT1 and hSGLT2: Potential therapeutic agents for the control of hyperglycemia in diabetes"
... system, in the distal segment of the tubule Inhibition of glucose reabsorption in the kidney, mediated by the SGLT cotransport system, represents a promising therapeutic target for the control of hyperglycemia ... larvae of beetles (Chrysomelidae) Their synthesis has been previously described [31-33] For the purpose of the present study the thioglycosides used were selected and grouped based on their differences ... IC50 values of 30 µM for hSGLT1 and 10 µM for hSGLT2, while thioglycoside VII showed IC50 values of 15 µM for hSGLT1 and 88 µM for hSGLT2 These data confirm the strong inhibitory effects of thioglycoside...
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Báo cáo y học: "Comparison of a Two-Lead, Computerized, Resting ECG Signal Analysis Device, the MultiFunction-CardioGramsm or MCG (a.k.a. 3DMP), to Quantitative Coronary Angiography for the Detection of Relevant Coronary Artery Stenosis (70%)
... large inventory of normalized mathematical indexes of abnormality It is the pattern of these mathematical indexes of abnormality, obtained from analysis of multiple cardiac cycles of the resting ... Moreover, to assess the performance of the prediction of stenosis independent of the prevalence of stenosis, the positive and negative likelihood ratios (LR) were calculated [24] A value of p
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A research proposal submitted in partial fulfillment of the requirements for the degree of Master of Business Administration
... with the supermarkets Along with the actual evaluations of the stores’ performance, the research tries to uncover the shoppers’ expectations of this kind of store In addition, the demographic profile ... level of 90% (app.D, p 84-86) 4.1.10 Demographic profile of supermarkets’ non-users and heavy-users The demographic profile of heavy users in the sample is similar to the profile described for the ... of the store by evaluating the store in terms of the factors comprising the choice criteria Based on the evaluation, the consumer 18 forms a degree of preference for the store If preference exceeds...
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