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2 article(s) from Pańczyk, Tomasz

The inhibition effect of water on the purification of natural gas with nanoporous graphene membranes

Krzysztof Nieszporek,
Tomasz Pańczyk and
Jolanta Nieszporek

Beilstein J. Nanotechnol. 2018, 9, 1906–1916, doi:10.3762/bjnano.9.182

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Figure 1: The simulation box.

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Figure 2: Atomic charges for nanopores HH (top), NHH (middle) and NN (bottom). The charges of the remaining c...

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Figure 3: The influence of water on the number of methane and nitrogen molecules passing through an HH nanopo...

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Figure 4: The average number of water molecules as a function of the distance of O_w atoms from the center of ...

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Figure 5: The influence of water on the number of methane and nitrogen molecules passing through an NHH nanop...

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Figure 6: The number of water molecules plotted as a function of the distance of O_w atoms from the center of ...

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Figure 7: The influence of water on the number of methane and nitrogen molecules passing through NN nanopore.

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Figure 8: The number of water molecules plotted as a function of the distance of O_w atoms from the center of ...

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Figure 9: Radial distribution function of O_w–O_w pairs and the cumulative number of water molecules for the NN...

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Figure 10: The extracted frame from the simulation trajectory of the separation of CH₄ + N₂ + 200 H₂O with an ...

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Figure 11: The temperature influence on the number of molecules passing across the pore as a function of the s...

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Figure 12: The temperature effect on the number of water molecules as a function of the distance of O_w atoms f...

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Figure 13: The influence of the number of water molecules present in the gaseous mixture on the number of CH₄ ...

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Figure 14: Hydrogen-bond correlation functions for hydrogen bridges between water and nitrogen atoms located i...

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Figure 15: Semi-logarithmic plot of the reactive flux correlation functions k(t) for hydrogen bridges between ...

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Figure 16: Temperature influence on (a) the hydrogen bond distance and (b) the angle distribution in water for...

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Figure 17: Evolution in time of the average angle between four vectors designated by four carbon atoms in ever...

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Figure 18: Time evolution of the second kind of deviation. Data were determined from the simulation trajectory...

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Full Research Paper

Published 02 Jul 2018

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Dispersion of single-wall carbon nanotubes with supramolecular Congo red – properties of the complexes and mechanism of the interaction

Anna Jagusiak,
Barbara Piekarska,
Tomasz Pańczyk,
Małgorzata Jemioła-Rzemińska,
Elżbieta Bielańska,
Barbara Stopa,
Grzegorz Zemanek,
Janina Rybarska,
Irena Roterman and
Leszek Konieczny

Beilstein J. Nanotechnol. 2017, 8, 636–648, doi:10.3762/bjnano.8.68

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Figure 1: Absorption spectra of free Congo red (A) and SWNT-bound Congo red (D) (0.05 M Tris/HCl buffer, pH 7...

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Figure 2: Congo red structure: (A) at physiological pH; (B) ionization of the amino groups at acidic pH and c...

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Figure 3: Binding of CR to SWNTs in solutions of different ionic strength. All samples were in a 0.05 M Tris-...

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Figure 4: Binding of an increasing amount of CR by a constant amount of SWNTs (0.1 or 1 mg).

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Figure 5: SWNT–CR complexes formed at different CR/SWNT ratios. Macroscopic images of complexes filtered on P...

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Figure 6: Calorimetric profiles obtained for free CR and CR bound to SWNTs: (A) 2 mg/mL CR; (B) 5 mg/mL CR. T...

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Figure 7: Precipitation of the SWNT–CR complex upon incubation at increasing temperature; (A) absorption spec...

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Figure 8: Dynamic light scattering (DLS) measurements: comparison of SWNT–CR complexes and sodium cholate dis...

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Figure 9: Transmission electron microscope images. (A) SWNTs dispersed by sodium cholate; the diameter of the...

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Figure 10: Scanning electron microscope images. (A) undispersed, raw SWNTs; (B) SWNT–CR complexes formed at hi...

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Figure 11: AFM analyses of sodium cholate dispersed SWNTs (1) and SWNT–CR complexes (2); maps of mechanical pa...

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Figure 12: Diameter of nanotubes as measurements of height (AFM cross section analysis): (A) the diameter of a...

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Full Research Paper

Published 16 Mar 2017

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