aerosol flow reactor method for the synthesis of multicomponent drug nano and microparticles
a novel method for the synthesis of titania nanotubes using
... effusion of the [TiF6 ]2− ions The faster rate of formation of TiO2 nanotubes using ultrasonic waves can be explained by the faster mobility of the F− ions into the nanotubular reaction channel and ... lower band gap of carbon-doped titania nanotubes compared with N2 - and O2 annealed nanotubes The lower the band gap of the titania S.K Mohapatra et al / Journal of Catalysis 246 (2007) 362–369 nanotubes, ... titania nanotubes prepared by the sonoelectrochemical method using ethylene glycol were found to be highly promising for water-splitting compared with others These methods for the synthesis of highly...
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a novel method for the synthesis of cao nanoparticle
... emulsions for detoxification of pesticides suitable process for synthesis of nanoparticles [1] Certain disadvantages exist with the use is using of Co-Precipitation method [28, 29] of these adsorbents ... makes them the potential the reduction rate of metal ions and the materials for the decomposition applications agglomeration process of metal atoms It was These intriguing properties within the ... the present behavior Recent investigations have explored work, the synthesis of CaO nanoparticles by the promising decomposition applications of Co-Precipitation in the absence and presence nanosized...
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solgel based hydrothermal method for the synthesis of 3d flowerlike zno microstructures
... is produced after a hydrothermal treatment time of h, and further increasing the hydrothermal treatment time makes the diameters of the nanosheets more uniform and the flower-like ZnO more defined ... we report the further use of this facile, low-cost, green solgel-based hydrothermal method and an investigation of the dependence of the morphology evolution of the self-assembled flower-like ... (e) and XRD (f) patterns of the ZnO sample synthesized at 120 ƕC for 17 h hydrothermal treatment Fig SEM images of the time-dependent evolution in the formation of 3D flower-like ZnO synthesized...
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Advantages and challenges of the spray drying technology for the production of pure drug particles and drug loaded polymeric carriers
... flurbiprofen powder due to transformation of the drug from a crystalline to an amorphous form and the reduction of the size to the nanoscale When these NPs were orally administered to rats, the AUC of ... 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 medium, h is the thickness of the diffusion layer SC and CS is the saturation ... advantages and challenges of the spray-drying method for the production of pure drug particles and drug- loaded polymeric particles and discusses the potential of this technique and the more advanced...
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Báo cáo khoa học: Mycobacterium tuberculosis possesses a functional enzyme for the synthesis of vitamin C, L-gulono-1,4-lactone dehydrogenase doc
... [9] The presence of multiple GST-containing bands of about 30 kDa (Fig 1, lane 5) suggests that an important portion of the fusion protein was degraded by the host proteases On the other hand, ... (ALO1), which catalyzes the last step in the biosynthesis of erythroascorbic acid in yeasts, resulted in attenuated virulence of the Candida albicans mutant [42] If synthesized by the Rv1771 l-gulono1,4-lactone ... junction between the GST tag and the Rv1771 sequence Upon h of induction of the pDEST15_Rv1771 E coli strain with isopropyl-b-dthiogalactopyranoside (IPTG) at 37 °C, the yield of the recombinant...
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INTERNATIONAL STANDARD Microbiology of food and animal feeding stuffs — Horizontal method for the detection of Salmonella spp docx
... drops of the creatine solution, three drops of the ethanolic solution of 1-naphthol and then two drops of the potassium hydroxide solution; shake after the addition of each reagent The formation of ... taken of all information then available regarding the extent to which this horizontal method has been followed and the reasons for deviations from this method in the case of particular products The ... at 37 °C and leave for several minutes (approximately min) Add 0,25 ml of the reagent for detection of β -galactosidase and mix Replace the tube in the water bath set at 37 °C and leave for 24...
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Báo cáo Y học: Guanosine diphosphate-4-keto-6-deoxy-D-mannose reductase in the pathway for the synthesis of GDP-6-deoxy-D-talose in Actinobacillus actinomycetemcomitans potx
... mixture The signals for H2¢ of the nucleotide moieties overlapped that of HOD, and the H5¢¢ and H6¢¢ signals of the sugar moieties of GDP-a-D-mannose also overlapped The signals for the sugar ... cloned and characterized the gene clusters responsible for the biosynthesis of SPAs of A actinomycetemcomitans serotypes a, b, c, d, and e [23,29,34–36] The gene cluster associated with the synthesis ... vacuum and heated at 80 °C for h to hydrolyse them; they were then dried to remove the water and HCl The pellets were converted into the corresponding D-(+)-2-octylglycoside acetate by the method of...
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solvothermal reactions- an original route for the synthesis of novel materials
... appear to be important for either the synthesis of novel materials, the preparation of nanostructured particles for nanotechnologies or the elaboration of bio-inspired materials for applications in ... concentration of the precursors The interactions between reagents and solvent play an important role in the solvothermal reactions The selection of the solvent plays a key-role through the control of the ... lowered and the resulting morphology consists on spherical particles of CuInSe2 Consequently the nature of the solvent can act on the reactivity and the morphology of the resulting crystallites The...
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báo cáo hóa học:" A rapid method for the generation of uniform acellular bone explants: a technical note" pot
... performed most of the practical work, planned the experiments, analyzed the data and prepared the manuscript VB participated in the preparation of the bone cores and exposure of the samples to the ... different treatments, performed the microscopic analysis and helped with the planning and preparation of the manuscript PIF and AES participated in the cutting and staining of Page of the bone tissue ... in the planning of the experiments, data analysis and the preparation of the manuscript MJS supervised the study planning, data analysis and preparation of the manuscript All authors read and...
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báo cáo hóa học:" Mid-term results of ponseti method for the treatment of congenital idiopathic clubfoot (A study of 67 clubfeet with mean five year follow-up)" pot
... maximum score of 30 points for amount of pain; of 20 points each for level of activity and patient satisfaction; and of 10 points each for motion of the ankle and foot, position of the heel during ... relapse of the deformity Patient age at the time of relapse, bilateralism or unilateralism of the relapse foot, relapse foot deformity, treatment offered to relapsed foot, immediate results of the offered ... from the 13-24 weeks of the age group while beginning of the treatment, while was from the 25-36 weeks of the age at the initiation of the treatment Thus, relapse is more severe when occurred and...
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báo cáo hóa học:" Mid-term results of ponseti method for the treatment of congenital idiopathic clubfoot (A study of 67 clubfeet with mean five year follow-up)" docx
... maximum score of 30 points for amount of pain; of 20 points each for level of activity and patient satisfaction; and of 10 points each for motion of the ankle and foot, position of the heel during ... relapse of the deformity Patient age at the time of relapse, bilateralism or unilateralism of the relapse foot, relapse foot deformity, treatment offered to relapsed foot, immediate results of the offered ... from the 13-24 weeks of the age group while beginning of the treatment, while was from the 25-36 weeks of the age at the initiation of the treatment Thus, relapse is more severe when occurred and...
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Báo cáo hóa học: " A rapid, convenient, solventless green approach for the synthesis of oximes using grindstone chemistry" docx
... in the synthesis of oximes earlier In conclusion, the reported procedure is an interesting, extremely simple, suitable, fast, efficient, and novel method for the preparation of oximes The methodology ... [8] are some of the synthetic applications of oximes They are also useful for selective a-activation [9] and are extensively used as intermediates for the preparation of amides by the Beckmann ... with larger quantity of materials, these factors are particularly very important therein Over the years, many reagents and catalysts have been developed for the synthesis of oximes Basic aluminia...
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Báo cáo hóa học: " A quantum dots and superparamagnetic nanoparticle-based method for the detection of HPV DNA" ppt
... hybridization assay on the basis of the cutoff value Detection of HPV-16 with QDs and superparamagnetic nanoparticle-based hybridization The rationale of QDs and superparamagnetic nanoparticle-based ... and part of molecular diagnostic study LD conceived of the study, and participated in its design, performed the preparation of nanomaterials and the statistical analysis All authors read and approved ... report a novel detection method of HPV DNA combining the advantages of QDs and manipulability of superparamagnetic nanoparticles and validate it clinically Methods Collection of samples One hundred...
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Báo cáo hóa học: " An alternative route for the synthesis of silicon nanowires via porous anodic alumina masks" potx
... dimensions These nanoparticles necessarily have a size smaller than the pores of the AAO mask and will be responsible for the constant dimensions of the synthesized nanowires Figure shows the surface of ... inside the pores in contact with the Si surface Since the nanoparticle size of the patterned catalyst is uniform, the grown nanowires are also uniform in diameter The averaged pore size of the alumina ... structure of the membrane and before the treatment conditions allow the nanowires growth As can be seen there, the catalyst can be observed as small particles inside the porous structure of the mask...
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Báo cáo hóa học: " Effect of ion implantation energy for the synthesis of Ge nanocrystals in SiN films with HfO2/SiO2 stack tunnel dielectrics for memory application" pot
... varying the implantation parameters and annealing condition The dependence of implantation energy for the formation and evolution of Ge-NCs in these stack structures were studied further Experimental ... the investigation of this study, an implantation energy of keV seems to be the optimum parameter for a particular dose of 1.5 × 1016 cm-2 and SiN/HfO2/SiO2 stack for the evolution of Ge-NCs and ... analyzed the results, and prepared the draft of the manuscript Moreover, AS and CB participated in the coordination of study All authors read and approved the final manuscript Competing interests The...
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báo cáo hóa học:" Minireview: Transaminases for the synthesis of enantiopure beta-amino acids" doc
... necessity for external cofactor recycling and the enzymes’ high enantioselectivity and reaction rate For the synthesis of enantiopure β-amino acids only a limited number of TAs are available Therefore ... site of the apoenzyme forming the internal aldimine Upon contact with the substrate, the bond between cofactor and apoenzyme dissolves, and PLP forms a Schiff base with the substrate ( =the external ... potential for the synthesis of optically pure βamino acids These pyridoxal 5’-dependent enzymes catalyze the transfer of an amino group from a donor substrate to an acceptor, thus enabling the synthesis...
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Báo cáo hóa học: " A Temperature Window for the Synthesis of Single-Walled Carbon Nanotubes by Catalytic Chemical Vapor Deposition of CH4 over Mo2-Fe10/MgO Catalyst" pptx
... to the formula [14], the peaks at 147 and 169 cm-1 correspond to the SWCNTs with diameter of 1.59 and 1.38 nm, respectively The TEM image (Fig 3b) reveals that the product consists of single and ... cm-1), the radial breath modes (RBM) which represent the existence of SWCNTs are hardly shown The data show no SWCNTs are formed and there are only poorly multi-walled carbon nanotubes (MWCNTs) and ... put into the quartz tube The temperature was raised to the setting value in Ar atmosphere at a flow rate of 200 mL/min before CH4 was introduced into the reactor at 60 mL/min for 30 min, then CH4...
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Báo cáo hóa học: " A Versatile Route for the Synthesis of Nickel Oxide Nanostructures Without Organics at Low Temperature" doc
... producing hazardous waste Therefore, the technique could be extended and expanded to provide a general simple and convenient strategy for the synthesis of nanostructures of other functional materials ... conduction band and holes in valence band There is a sharp band in the PL spectra of NiO nanoparticles and nano owers at 380 and 490 nm, respectively The visible emission is related to the defects-related ... to the synthesis of NiO nanoparticles and nano owers by a soft reaction of nickel powder and water without using organic dispersant or capping agent To the best of our knowledge, this is the...
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Báo cáo hóa học: "Single step process for the synthesis of carbon nanotubes and metal/alloy-filled multiwalled carbon nanotubes" docx
... spectra of the alloy-filled MWNTs (Fig 2a) showed the presence of Zr, Cr, Fe and Ni; the constituents of the alloy, with a composition comparable to that of the initial alloy used for the preparation ... band), mainly due to defects [20] is also observed Raman spectra for SWNTs show the presence of RBM, at 388.9 cm–1, in addition to the G- and Dbands The increase in the intensity of D-band for ... nucleation sites for the growth of carbon nanotubes There could be a further reduction in the catalyst particle size during the hydrogen treatment before the carbon deposition Further, the nickel or...
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A FUNCTIONAL-ANALYTIC METHOD FOR THE STUDY OF DIFFERENCE EQUATIONS EUGENIA N. PETROPOULOU AND potx
... equations of three and four variables The aim of this paper is to present the generalization of this functional-analytic method for the study of linear and nonlinear partial difference equations of p ... see [11] and the references therein) Also, by assuring the existence of a solution of a difference equation in the space or , we obtain information regarding the asymptotic behavior of the unknown ... sketch of the main ideas used in the proofs of our main results, see the beginning of Section 3.) By use of this method, the linear or nonlinear difference equation under consideration is transformed...
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