Geodesic
Studying modified porous medical membranes by atomic force microscopy
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 160 (2018) no. 1, pp. 81-88 Cet article a éte moissonné depuis la source Math-Net.Ru

Voir la notice du chapitre de livre

Polymeric membranes used in medicine and biotechnology, for example in hemodialysis and gas separation, and their modification have been studied. The object of the study is polysulfone porous membranes characterized by reproducible physical properties and well-controlled porosity. Modification of the membranes has been performed in a high-frequency electric discharge at low-pressure (18.4 Pa) in $\mathrm{Ar}$ and $\mathrm{CF}_4$ medium with an operating frequency of 13.56 MHz and a power of 1500 W. The morphology of the surface of porous polysulfone membranes before and after their treatment by low-temperature plasma has been studied by means of atomic-force microscopy. A Solver $\mathrm P47\mathrm H$ ($\mathrm{NT}$-$\mathrm{MDT}$) atomic force microscope with $\mathrm{NSG}20$-type cantilevers has been used in contact and semi-contact operating modes. The following differences in the structure and measured and analyzed phenomenological parameters of polysulfone membranes before and after plasma-based modification have been evolved: dependence of the RMS of roughness of the surface, amplitude of the heights, average arithmetic roughness on the scan scale. It has been revealed that the influence of a high-frequency plasma wave on polysulfone membranes smoothes its surface that indicates a decrease of surface porosity of these membranes and explains the decrease of water permeability and the subsequent increase of retention capacity. It has been shown that plasma treatment improves the hydrophilic surface properties of the internal surfaces of hollow fiber polysulfone membranes. Significant changes have been established in adhesion characteristics of a control set surfaces of polysulfone membranes and the modified ones.
Keywords: polysulfone membranes, atomic force microscopy, porous membranes, hollow fibers, high-frequency low-pressure plasma. 
@article{UZKU_2018_160_1_a7,
     author = {O. A. Konovalova and A. R. Khajdarova and R. G. Ibragimov and M. Kh. Salakhov},
     title = {Studying modified porous medical membranes by atomic force microscopy},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {81--88},
     year = {2018},
     volume = {160},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2018_160_1_a7/}
}
TY  - JOUR
AU  - O. A. Konovalova
AU  - A. R. Khajdarova
AU  - R. G. Ibragimov
AU  - M. Kh. Salakhov
TI  - Studying modified porous medical membranes by atomic force microscopy
JO  - Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
PY  - 2018
SP  - 81
EP  - 88
VL  - 160
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/UZKU_2018_160_1_a7/
LA  - ru
ID  - UZKU_2018_160_1_a7
ER  - 
%0 Journal Article
%A O. A. Konovalova
%A A. R. Khajdarova
%A R. G. Ibragimov
%A M. Kh. Salakhov
%T Studying modified porous medical membranes by atomic force microscopy
%J Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
%D 2018
%P 81-88
%V 160
%N 1
%U http://geodesic.mathdoc.fr/item/UZKU_2018_160_1_a7/
%G ru
%F UZKU_2018_160_1_a7
O. A. Konovalova; A. R. Khajdarova; R. G. Ibragimov; M. Kh. Salakhov. Studying modified porous medical membranes by atomic force microscopy. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 160 (2018) no. 1, pp. 81-88. http://geodesic.mathdoc.fr/item/UZKU_2018_160_1_a7/

[1] Zhao C., Xue J., Ran F., Sun S., “Modification of polyethersulfone membranes – A review of methods”, Prog. Mater. Sci., 58:1 (2013), 76–150 | DOI

[2] Borisov I., Ovcharova A., Bakhtin D., Bazhenov S., Volkov A., Ibragimov R., Gallyamov R., Bondarenko G., Mozhchil R., Bildyukevich A., Volkov V., “Development of polysulfone hollow fiber porous supports for high flux composite membranes: Air plasma and piranha etching”, Fibers, 5:1 (2017), 2–19 | DOI

[3] Bryjak M., Gancarz I., Pozniak G., Tylus W., “Modification of polysulfone membranes 4. Ammonia plasma treatment”, Eur. Polym. J., 38:4 (2002), 717–726 | DOI

[4] Gancarz I., Pozniak G., Bryjak M., “Modification of polysulfone membranes 1. $\mathrm{CO}_2$ plasma treatment”, Eur. Polym. J., 35:8 (1995), 1419–1428 | DOI

[5] Kim K. S., Lee K. H., Cho K., Park C. E., “Surface modification of polysulfone ultrafiltration membrane by oxygen plasma treatment”, J. Membr. Sci., 199:1–2 (2002), 135–145 | DOI

[6] Zhang X., Zhang Sh., Wang Yu., Zheng Yi, Han Yu, Lu Yin, “Polysulfone membrane treated with $\mathrm{NH}_3$-$\mathrm O_2$ plasma and its property”, High Perform. Polym., 30:9 (2018), 1139–1144 | DOI

[7] Mohammad A. W., Hilal N., Pei L. Y., Amin I. N. H. M., Raslan R., “Atomic force microscopy as a tool for asymmetric polymeric membrane characterization”, Sains Malays., 40:3 (2011), 237–244

[8] Konovalova O. A., Nalimov D. S., Zamaleev A. Z., Salakhov M. Kh., “Biocompatibility investigation of polypropylene endoprosthesis using atomic force microscopy”, World Appl. Sci. J., 21:7 (2013), 1089–1095 | DOI

[9] Kasper K., Herrmann K.-H., Dietz P., Hansma P. K., Inacker O., Lehmann H.-D., Rintelen Th., “Investigation of dialysis membranes with atomic force microscopy”, Ultramicroscopy, 42–44, Pt. 2 (1992), 1181–1188 | DOI

[10] Barzin J., Feng C., Khulbe K. C., Matsuura T., Madaeni S. S., Mirzadeh H., “Characterization of polyethersulfone hemodialysis membrane by ultrafiltration and atomic force microscopy”, J. Membr. Sci., 237:1–2 (2002), 77–85 | DOI

[11] Volkov V. V., Ibragimov R. G., Abdullin I. Sh., Gallyamov R. T., Ovcharova A. A., Bildyukevich A. V., “Modification of polysulfone porous hollow fiber membranes by air plasma treatment”, J. Phys.: Conf. Ser., 751:1 (2016), Art. 012028, 5 pp. | DOI