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Polymer Congress 2018
Polymer Sciences
ISSN: 2471-9935
Page 72
June 04-05, 2018
London, UK
4
th
Edition of International Conference on
Polymer Science and
Technology
Momen S A Abdelaty, Polym Sci 2018, Volume 4
DOI: 10.4172/2471-9935-C2-012
I
n recent study we established hydrogel bilayers with non-
responsive and functional dual responsive thin films. Here,
we will discuss a new strategy of hydrogel bilayers thin films
depending on thermo- responsive and functional Thermo-
pH dual responsive layers. Vanillin acrylate (VA) monomer
has been synthetized and evaluated in one step reaction.
Environmental functional photo-cross-linker polymers were
synthetized by the copolymerization of N-isoprpylacrylamide,
(5, 10 and 15 mole %) (VA) and (2, 5 and 10 mole %) photo-
cross-linkers. Otherwise, three different mole ratios (2, 5
and 10 mol %) of thermo- responsive photo-cross-linkers
polymers were prepared by copolymerization of (NIPAAm)
and (DIMAAm). Polymers were characterized by 1HNMR, FTIR,
UV, gel permeation chromatography (GPC) and differential
scanning calorimetery (DSC). Lower critical solution
temperatures (Tc) were determined by UV.vis.Spectroscopy
and micro-DSC. Hydrogel bilayer was formed by spin coating
of polymer solution of poly (N-isopropylacryamide-Co-
malimide) layer A over gold with adhesion promoter, and then
cross-linked by UV- irradiation. The next layer was formed by
spin coating of polymer solution poly (N-isopropylacryamide-
Co-malimide-Co-VA) layer B over layer A, and then cross-
linked by UV-irradiation. The swelling properties and Tc were
determined by SPR/OW. The study aims to establish biosensor
hydrogel thin films through the active aldehyde group used
for immobilization of biological molecules with amino group
e.g.
amino acids, proteins, DNA and RNA. The responsive-
responsive bilayer have a highly sensitivity than one sensitive
layer the gel vessel can easily release the target molecule by
changing the surrounding environment.
Recent Publications
1. Abdelaty MSA, Environmental Functional Photo-Cross-
Linked Hydrogel Bilayer Thin Films from Vanillin.
J Polym Environ 3:1- 14 (2017).
doi.org/10.1007/s10924-017-1126-y
2. Abdelaty MSA, Preparation and Characterization
of New Environmental Functional Polymers Based
on Vanillin and Nisopropylacrylamide for Post
Polymerization. J Polym Environ 3:1-11 (2017). doi.
org/10.1007/s10924-017-0960-2
3. Abdelaty MSA and Kuckling D Synthesis and
Characterization of New Functional Photo-Cross-
Linkable Smart Polymers Containing Vanillin
Derivatives. Gels 2:1-13 (2016).
4. Young-Jin K and Yukiko T. M Thermo-responsive
polymers and their application as smart biomaterials.
J. Mater. Chem. B 5, 4307-4321 (2017). DOI:10.1039/
C7TB00157F
5. Deshmukh PK, Ramani KP, Singh SS, Tekade AR,
Chatap VKPatil, GB, and Bari SB. Stimuli-sensitive
layer-by-layer (LbL) self-assembly systems: targeting
and biosensory applications. J. Control. Release, 166:
294-306 (2013). doi: 10.1016/j.jconrel.2012.12.033
Biography
Momen S.A. Abdelaty is Assistant Professor at Chemistry department,
Faculty of Science, Al-Azhar University. He has finished his bachelor
in general chemistry at Al-Azhar University. Mater thesis in polymer
chemistry has been finished at Chemistry department, Faculty of Science,
Al- Azhar University. He has granted PhD scholarship in University of
Paderborn Germany from 2008-2012 with the group of Professor Dr. Dirk
Kuckling. The project title was photo-cross-linked polymers and hydrogel
thin film. After that he has followed postdoc scholarship with the same
group. Till now he is working as Assistant Professor in polymer chemistry
at Chemistry department, Faculty of Science, Al-Azhar University.
abdelatymomen@yahoo.comResponsive-responsive assembly functional photo-cross-linked
hydrogel bilayer thin films from poly (n-isoprpylacrylamide-co-
vanillin acrylate-co- malimide): Synthesis, characterizations
and spr- ow for swelling properties
Momen S A Abdelaty
Al Azhar University, Egypt