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Wyniki wyszukiwania dla: chitosan, platinum catalyst, carbonization
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XPS data of MXene catalyst
Dane BadawczeData contain results from XPS measurement of the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using 48% HF etching agent (MXene HF). The X-ray spectroscopy (XPS) measurements were conducted using Mg Ka (hn = 1253.6 eV) radiation in a Prevac (Poland) system equipped with a Scienta SES 2002 (Sweden) electron...
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XRD for molybdenum sulfide modified with nickel or platinum nanoparticles
Dane BadawczeThe presented data showcases the results of XRD analysis conducted on molybdenum sulfide modified with nickel or platinum nanoparticles . The MoS2 was prepared on the TiO2 nanotube substrates via a facile hydrothermal method, followed by the deposition by magnetron sputtering of Ni or Pt nanoparticles on the MoS2 surface. Structural characterization...
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Valorisation of bioplastics synthesised by liquefaction of celluloseusing hetero- and homogeneous catalysts
Dane BadawczeThe purpose of the present study was to test the effectiveness of a heterogeneous catalyst such as Nafion ion-exchange resin on the cellulose liquefaction process. The results obtained were compared with the bio-polyols obtained in a conventional way, using a homogeneous catalyst (sulfuric acid (VI)). Depending on the catalyst used and the temperature...
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Determination of changes in viscosity of chitosan solutions depending on shear rate.
Dane BadawczeThe rheological characteristics of chitosan solutions were based on viscosity measurements using a Brookfield viscometer, using LV SC4 - 25 spindles and shear rates from 4 to 53 s-1 (Fig. 1). Chitosan solutions with different molecular weights (low, medium and high) were prepared in concentrations from 1.5 to 3.0% in 0.5M acetic acid. The data allowed...
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TGA data of MXenes catalysts
Dane BadawczeData contain results from TGA measurement of the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using different etching agents, HF/HCl and HF/H2SO4 with different weight ratios (1:3, 1:4, and 1:5). The samples were labeled as MXene HF/HCl X:Y and MXene HF/H2SO4 X:Y, where X:Y means the acids weight ratios. ...
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XRD patterns of MXenes catalysts
Dane BadawczeData contain results from XRD measurements of the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using different etching agents, HF/HCl and HF/H2SO4 with different weight ratios (1:3, 1:4, and 1:5). The samples were labeled as MXene HF/HCl X:Y and MXene HF/H2SO4 X:Y, where X:Y means the acids weight ratios....
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Raman spectra of MXenes catalysts
Dane BadawczeData contain results from Raman spectroscopy of the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using different etching agents, HF/HCl and HF/H2SO4 with different weight ratios (1:3, 1:4, and 1:5). The samples were labeled as MXene HF/HCl X:Y and MXene HF/H2SO4 X:Y, where X:Y means the acids weight ratios. ...
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SEM images of MXene catalysts
Dane BadawczeData contain results SEM measurements of the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using different etching agents, HF/HCl and HF/H2SO4 with different weight ratios (1:3, 1:4, and 1:5). The samples were labeled as MXene HF/HCl X:Y and MXene HF/H2SO4 X:Y, where X:Y means the acids weight ratios. MAX...
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The influence of chitosan hydrogels on the morphology of L929 cells
Dane BadawczeRepresentative image at 20x magnification of L929 cells following 24 h of treatment with chitosan derivatives: chitosan dissolved in carbonic acid, chitosan dissolved in carbonic acid endotoxin free, chitosan dissolved in hydroacetic acid at 1:3 diluent factor. The scale bar is 100 µm; Microscope Olympus IX83, Tokyo, Japan).
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Cytotoxicity of chitosan hydrogels aginst L929 cells
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds to the cytotoxicity of chitosan compounds (dissolved in carbonic acid, dissolved in carbonic acid endotoxin free, and dissolved in hydroxyacetic acid) aginst adult mouse fibroblast L929 cells. The experiments were carried out according to the ISO 10993-5:2009(E)...
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AFM images of the platinum (111) single crystal surface as delivered, without the polishing treatment
Dane BadawczePlatinum (111) single crystal surface images as delivered, without polishing treatment. Topographic measurements in contact mode. NTEGRA Prima (NT-MDT) device. CSG probe 10.
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The effect of chitosan concentration and molecular weight on endotoxin content
Dane BadawczeThe dataset includes results to determine the effect of chitosan concentration and molecular weight on endotoxin content as well as the effect of purification methods. The endotoxin concentration was determined using the PyroGene Recombinant Factor C Endpoint Fluorescent Assay. Chitosan 0.6% in 0.1M glycolic acid from Chemat LMW, MMW, and HMW were used...
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Adsorption and desorption of N2 measurement of MXenes catalysts
Dane BadawczeData contain results from adsorption and desorption of N2 measurement of the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using different etching agents, HF/HCl and HF/H2SO4 with different weight ratios (1:3, 1:4, and 1:5). The samples were labeled as MXene HF/HCl X:Y and MXene HF/H2SO4 X:Y, where X:Y...
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Determination of changes in viscosity of chitosan cosmetic preparations depending on shear rate.
Dane BadawczeThe rheological characteristics of chitosan were made on the basis of a viscosity measurement using a Brookfield viscometer, using LV SC4 - 25 spindles and shear rates from 0.3 to 32 s-1 (Fig. 1). Chitosan solutions at 1% concentrations in acetic acid were prepared. The samples were subjected to storage tests.
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The viscometric evaluation of the gelation rate the chitosan-metal oxide hydrogel systems.
Dane BadawczeThe dataset shows the change in the viscosity of a hydrogel medium over time. Viscometric measurement was used as a universal method for determining the cross-linking rate of chitosan hydrogel using metal oxides or other solutions with a negative net charge. The method was prepared as a method of predicting the kinetics of additive manufacturing using...
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The results of the assessment of the degree of deacetylation, antimicrobial activity and cytotoxicity of chitosan materials
Dane BadawczeDane prezentują wyniki pomiarowe stopnia deacetylacji 5 komerycjnych chitozanów, które przetwarzane dwiema metodami oceniono pod kątem aktywności przeciwdrobnoustrojowej i cytotoksyczności względem modelowej linii fibroblastów mysich L929. Ocenie porównawczej poddano materiały chitozanowe otrzymywane klasyczną metodą rozpuszczania w roztworze...
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The influence of the type of composition of PVA-chitosan blends on stability at elevated temperature
Dane BadawczeThe dataset shows the results of a visual evaluation of chitosan and polyvinyl alcohol composites. The composites were prepared by combining chitosan water solutions, dissolved in selected acids, and polyvinyl alcohol solution, freeze drying, and heating at 150°C dry composites. The results confirm that the chitosan / PVA composites, in which the first...
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Raman spectra of PCMCA-X (potassium citrate derived porous carbon materials obtained at various temperatures of carbonization)
Dane BadawczeThese data contain Raman spectra of PCMCA-700 (potassium citrate derived porous carbon materials obtained at 700°C ), PCMCA-800 (potassium citrate derived porous carbon materials obtained at 800°C ), PCMCA-900 (potassium citrate derived porous carbon materials obtained at 900°C ). The D peak at 1340 cm−1 and the G peak at 1592 cm−1 can be seen in all...
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Evaluation of antimicrobial activity of porous composites based on chitosan/poly (vinyl alcohol)
Dane BadawczeThe dataset contains the results of microbiological tests of composite porous materials whose activity was assessed for their ability to reduce the number of Escherichia coli and Staphylococcus aureus strain, representing the Gram (-) and Gram (+) bacteria, respectively.
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CO2 adsorption isotherms on PCMCA-X (potassium citrate derived porous carbon materials obtained at various temperatures of carbonization)
Dane BadawczeThis dataset contains static CO2 adsorption isotherms on PCMCA-700 (potassium citrate derived porous carbon material obtained at 700 °C), PCMCA-800 (potassium citrate derived porous carbon material obtained at 800 °C), PCMCA -900 (potassium citrate derived porous carbon material obtained at 900 °C) adsorbents.