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Studies on polymer materials used in ophthalmological surgery as intraocular implants are presented in this paper. The material under investigation were brand new lenses provided by Alcon. The first lens, model SA60AT, was the basis structure, whereas the other one, model SN60AT, was a structure with an added modification in the form of a blue light chromophore. Results obtained with the use of the positron annihilation lifetime spectroscopy, as well as UV-vis-NIR methods, showed that the structure modified by the chromophore becomes more packed, while the results obtained by means of the UV-vis-NIR methods showed that the modification restricts the blue light transmission.
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Tom
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47--55
Opis fizyczny
Bibliogr. 20 poz., rys.
Twórcy
autor
- Institute of Physics, Jan Długosz University, al. Armii Krajowej 13/15, 42-200 Częstochowa, Poland
autor
- Komed Clinic, Sobieskiego 54, 42-200 Częstochowa, Poland
autor
- Institute of Physics, Jan Długosz University, al. Armii Krajowej 13/15, 42-200 Częstochowa, Poland
autor
- Institute of Physics, Jan Długosz University, al. Armii Krajowej 13/15, 42-200 Częstochowa, Poland
Bibliografia
- [1] VILARINHO P.M., ROSENWAKS Y., KINGON A., Scanning Probe Microscopy: Characterization, Nanofabrication and Device Application of Functional Materials, NATO Science Series, Kluwer Academic Publishers, Dordrecht/Boston/London, 2005, pp. 4–5.
- [2] BANERJEE S., TYAGI A.K., Functional Materials: Preparation, Processing and Applications, 1st Ed., Elsevier, London/Waltham, 2012.
- [3] THOMAS A., Functional materials: from hard to soft porous frameworks, Angewandte Chemie International Edition 49(45), 2010, pp. 8328–8344.
- [4] MCCABE J.F., WALLS A.W.G., Applied Dental Materials, 9th Ed., Blackwell Publishing, Oxford, 2008, pp. 225–244.
- [5] BASS M., Handbook of Optics, Vol. 3, 3rd Ed., McGraw-Hill, New York, 2010, Chapter 21.
- [6] CUTHBERTSON F.M., PEIRSON S.N., WULFF K., FOSTER R.G., DOWNES S.M., Blue light-filtering intraocular lenses: Review of potential benefits and side effects, Journal of Cataract and RefractiveSurgery 35(7), 2009, pp. 1281–1297.
- [7] JINKERSON D.L., Polymerizable yellow dyes and their use in ophthalmic lenses, American Patent, US5470932, November 28, 1995.
- [8] JEAN Y.C., VAN HORN J.D., WEI-SONG HUNG, KUIER-RARN LEE, Perspective of positron annihilation spectroscopy in polymers, Macromolecules 46(18), 2013, pp. 7133–7145.
- [9] MOGENSEN O.E., Positron Annihilation in Chemistry, Springer, Berlin/Heidelberg, 1995, pp. 1–5.
- [10] SHPOTYUK O., FILIPECKI J., INGRAM A., GOLOVCHAK R., VAKIV M., KLYM H., BALITSKA V., SHPOTYUK M.,
- KOZDRAS A., Positronics of subnanometer atomistic imperfections in solids as a high-informative structure characterization tool, Nanoscale Research Letters 10(1), 2015, article 77.
- [11] BOYKO O., SHPOTYUK Y., FILIPECKI J., Positron annihilation lifetime study of extended defects in semiconductor glasses and polymers, Physica Status Solidi (C) 10(1), 2013, pp. 121–124.
- [12] FILIPECKI J., KOCELA A., KORZEKWA P., MIEDZIŃSKI R., FILIPECKA K., GOLIS E., KORZEKWA W., Structural study of polymer hydrogel contact lenses by means of positron annihilation lifetime spectroscopy and UV-vis-NIR methods, Journal of Materials Science: Materials in Medicine 24(8), 2013, pp. 1837–1842.
- [13] ZHIYONG XIA, TREXLER M., FEI WU, YAN-CHING JEAN, VAN HORN J.D., Free-volume hole relaxation in molecularly oriented glassy polymers, Physical Review E 89(2), 2014, article 022603.
- [14] FILIPECKI J., CHAMERSKI K., BOYKO O., KOTYNIA K., Ageing phenomenon in acrylic polymer dental materials detected by means of positron annihilation lifetime spectroscopy, Polymers in Medicine 44(1), 2014, pp. 21–28.
- [15] TAO S.J., Positronium annihilation in molecular substances, The Journal of Chemical Physics 56(11), 1972, pp. 5499–5510.
- [16] ELDRUP M., LIGHTBODY D., SHERWOOD J.N., The temperature dependence of positron lifetimes in solid pivalic acid, Chemical Physics 63(1–2), 1981, pp. 51–58.
- [17] PETHRICK R.A., Positron annihilation – a probe for nanoscale voids and free volume?, Progress in Polymer Science 22(1), 1997, pp. 1–47.
- [18] NAMDARAN F.H., LEBOEUF A.R., Flexible, high refractive index polymers, American Patent, US5403901, April 4, 1995.
- [19] FILIPECKI J., GOLIS E., REBEN M., FILIPECKA K., KOCELA A., WASYLAK J., Positron life time spectroscopy as a method to study of the defect degree materials with disordered structure, Journal of Optoelectronics and Advanced Materials: Rapid Communications 7(11–12), 2013, pp. 1029–1031.
- [20] KANSY J., Microcomputer program for analysis of positron annihilation lifetime spectra, Nuclear Instruments and Methods in Physics Research Section A 374(2), 1996, pp. 235–244.
Uwagi
PL
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.
Typ dokumentu
Bibliografia
Identyfikator YADDA
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