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212. Mechanically Robust Shape-Memory Organohydrogels Based on Silk Fibroin with Organogel Microinclusions of Various Sizes.
Y. Bas, O. Okay, Macromol. Mater. Eng. 2300129 (2023) pdf SI
211. Cryogelation reactions and cryogels: Principles and challenges.
O. Okay, Turk. J. Chem. 47, 910-926 (2023) pdf
210. Effects of Cryogenic Condition and Chemistry on the Properties of Synthetic and Biopolymer Cryogels.
G. Doser, E. Su, O.Okay, React. Funct. Polym. 190, 105635 (2023) pdf SI
209. Silk Fibroin Based Shape-Memory Organohydrogels with Semicrystalline Microinclusions.
C. B. Oral, B. Yetiskin, C. Cil, F. N. Kok, O. Okay. ACS Appl. Bio Mater. 6, 1594-1603 (2023) pdf SI
208. 4D Printing of Body Temperature-Responsive Hydrogels Based on Polyacrylic Acid with Shape-Memory and Self-Healing Abilities.
T. Abdullah, O. Okay. ACS Appl. Bio Mater. 6, 703-711 (2023) pdf SI
207. Mechanically Strong Superabsorbent Terpolymer Hydrogels Based on AMPS via Hydrogen-Bonding Interactions.
B. Sekizkardes, E. Su, O. Okay. ACS Appl. Polym. Mater. 5, 2043−2050 (2023) pdf SI
206. Roadmap to Design Mechanically Robust Copolymer Hydrogels Naturally Cross-Linked by Hydrogen Bonds.
C. Erkoc, E. Yildirim, M. Yurtsever, O. Okay, Macromolecules 55, 10576–10589 (2022) pdf SI
205. Sterilization studies of hydrogel nanocomposites designed for possible biomedical applications before in vivo research.
G. B. Sekitmen, E. Su, S. D. Gür, S. Ide, O. Okay, React. Funct. Polym. 180, 105393 (2022) pdf
204. Photocurable Methacrylated Silk Fibroin/Hyaluronic Acid Dual Macrocrosslinker System Generating Extracellular Matrix-Inspired Tough and Stretchable Hydrogels.
B. Yetiskin, B. Tavsanli, O. Okay, Macromol. Mater. Eng. 2200334 (2022) pdf SI
203. A silk fibroin cryogel building adaptive organohydrogels with switching mechanics and viscoelasticity.
B. Yetiskin, O. Okay, ACS Appl. Polym. Mater. 4, 7, 5234–5245 (2022) pdf SI
202. Polycyclic aromatic hydrocarbon accumulation performances of monophasic butyl rubber passive samplers.
O. E. Tureyen, S. D. Yakan, A. Yilmaz, B. Yetiskin, O. Okay, O. S. Okay, Environ. Process. 9, 34 (2022) pdf
201. Butyl rubber as a macro-cross-linker in the preparation of a shape-memory and self-healing polymer. .
B.Tavsanli, C. Bilici, P. Sungur, S. Ide, O. Okay, J. Rheo. 66, 1367-1378 (2022) pdf
200. Surface modification of graphene oxide for preparing self-healing nanocomposite hydrogels. .
E. B. Ceper, E. Su, O. Okay, O. Güney, Polym. Adv. Technol. 33, 2276-2288 (2022) pdf
199. Butyl rubber-based interpenetrating polymer networks with side chain crystallinity: Self-healing and shape-memory polymers with tunable thermal and mechanical properties.
E. Su, G. Bayazit, S. Ide, O. Okay, Eur. Polym. J. l68, 111098 (2022) pdf SI
198. Shape-memory semicrystalline interconnected IPNs based on various rubbers.
O. Akca, O. Okay, Macromol. Mater. Eng. 307, 2100776 (2022) pdf SI
197. Bisphosphonate-functionalized poly(amido amine) crosslinked 2-hydroxyethyl methacrylate hydrogel as tissue engineering scaffold .
M. N. Guven, B. Balaban,, G. Demirci, H. Y. Acar, O. Okay, D. Avci, Eur. Polym. J. 159, 110732 (2021). pdf
196. “Reentrant Conformation Transition in Hydrogels”
O. Okay, Gels 7, 98 (2021). pdf
195. “Solvent-free UV polymerization of n-octadecyl acrylate in butyl rubber: A simple way to produce tough and smart polymeric materials at ambient temperature”
E. Su, C. Bilici, G. Bayazit, S. Ide, O. Okay, ACS Appl. Mater. Interfaces 13, 21786–21799 (2021) pdf SI
194. “Behaviors of quenched polyampholytes in solution and gel state”
S. E. Kudaibergenov, O. Okay, Polym. Polym Adv Technol. 32, 2639–2654 (2021) (pdf )
193. “Performance of butyl rubber-based macroporous sorbents as passive samplers”
O. E. Tureyen, A. Yilmaz, S. D. Yakan, B. Yetiskin, O. Okay, O. S. Okay, Environ. Sci. Poll. Res. 28, 3766–3773 (2021) pdf SI
192. “How to design both mechanically strong and self-healable hydrogels?”
O. Okay, Adv. Polym. Sci. 285, 21-62 (2020) pdf
191. “Self-healing and shape-memory hydrogels”
O. Okay, HJBC 48, 507-525 (2020) pdf
190. “Stretchable silk fibroin hydrogels”
C. B. Oral, B. Yetiskin, O. Okay, Int. J. Bio. Macromol. 161, 1371-1380 (2020) pdf SI
189. “Alendronate-functionalized poly(amido amine) cryogels of high-toughness for biomedical applications”
M. N. Guven, G. Demirci, S. Altuncu, U. Gulyuz, O. Okay, H.Y. Acar, D. Avci, Polymer 190, 122248, 1-11 (2020) pdf SI
188. “Highly stretchable and thermally healable polyampholyte hydrogels via hydrophobic modification”
G. Toleutay, E. Su, S. Kudaibergenov, O. Okay, Colloid Polym. Sci. 298, 273-284 (2020) pdf SI
187. Preparation of dextran cryogels for separation processes of binary dye and pesticide mixtures from aqueous solutions. B. Ari, B. Yetiskin, O. Okay, N. Sahiner, Polym. Eng. Sci. 60, 1890-1901 (2020) pdf SI
186. “Macroporous hyaluronic acid cryogels of high mechanical strength and flow-dependent viscoelasticity”
B. Tavsanli, O. Okay, Carbohyd. Polym. 229, 115458, 1-10 (2020) pdf SI
185. “Hydrophobically modified nanocomposite hydrogels with self-healing ability”
O. Akca, B. Yetiskin, O. Okay, J. Appl. Polym. Sci 137, 48853, 1 - 8 (2020) pdf
184. “Single-, double-, and triple-network macroporous rubbers as a passive sampler”
B. Yetiskin, O. E. Tureyen, A. Yilmaz, S. D. Yakan, O. S. Okay, O. Okay, ACS Appl. Mater. Interfaces 11, 28317−28326 (2019) pdf SI
183. “A self-healing and highly stretchable polyelectrolyte hydrogel via cooperative hydrogen-bonding as a superabsorbent polymer”
E. Su, M. Yurtsever, O. Okay, Macromolecules 52, 3257-3267 (2019) pdf SI
182. “One-step injectable and bioreducible poly(β-amino ester) hydrogels as controlled drug delivery platform”
H. B. Bingol, M. S. Altuncu, F. D. Demir, A. Ak, U. Gulyuz, H. Y. Acar, O. Okay, D. Avci, ACS Appl. Polym. Mater. 1, 1724−1734 (2019) pdf SI
181. “Cryogenic formation-structure-property relationships of poly(2-acrylamido-2-methyl-1-propanesulfonic acid) cryogels”
E. Su, O. Okay, Polymer 178, 121603, 1-9 (2019) pdf SI
180. “Cryogel composites based on hyaluronic acid and halloysite nanotubes as scaffold for tissue engineering”
S. S. Suner, S. Demirci, B. Yetiskin, R. Fakhrullin, E. Naumenko, O. Okay, R. S. Ayyala, N. Sahiner, Int. J. Bio. Macromol. 130, 627–635 (2019) pdf
179. “Semicrystalline physical hydrogels with shape-memory and self-healing properties”
O. Okay, J. Mater. Chem. B. 7, 1581-1596 (2019) pdf
178. “Mechanically robust and stretchable silk/hyaluronic acid hydrogels”
B. Tavsanli, O. Okay, Carbohyd. Polym. 208, 413-420 (2019) pdf SI
177. “Structure-property relationships of novel phosphonate-functionalized networks and gels of poly (b-amino esters)”
S. Altuncu, F. D. Duman, U. Gulyuz, H. Y. Acar, O. Okay, D. Avci, Eur. Polym. J. 113, 155-164 (2019) pdf SI
176. “Highly-Stretchable and Rapid Self-Recoverable Cryogels Based on Butyl Rubber as Reusable Sorbents”
S. Muslumova, B. Yetiskin, O. Okay, Gels 5, 1 (2019) pdf SI
175. “Semi-crystalline, three-segmented hybrid gels with multiple shape memory effect”
A. Argun, U. Gulyuz, O. Okay, Macromol. Symp. 385, 1800164 (2019) pdf
174. “High-strength and self-recoverable silk fibroin cryogels with anisotropic swelling and mechanical properties”
B. Yetiskin, O. Okay, Int. J. Bio. Macromol. 122, 1279-1289 (2019) pdf SI
173. “Monitoring the instant creation of a new fluorescent signal for evaluation of DNA conformation based on intercalation complex”
A. T. Uzumcu, O. Guney, O. Okay, J. Fluoresc. 28, 1325-1332 (2018) pdf SI
172. “Bisphosphonic acid functionalized crosslinkers to tailor hydrogel properties for biomedical applications”
M.N. Guven, M.S. Altuncu, T. Bal, D. Oran, U. Gulyuz, S. Kizilel, O. Okay, D. Avci,
ACS Omega, 3, 8638–8647 (2018) pdf SI
171. “Toughness improvement and anisotropy in semicrystalline physical hydrogels”
C. Bilici, D. Karaarslan, S. Ide, O. Okay, Polymer 151, 208–217 (2018) , pdf SI
170. “Interfacing soft and hard materials with triple-shape-memory and self-healing functions”
A. Argun, U. Gulyuz, O. Okay, Macromolecules 51, 2437-2446 (2018) pdf SI
169. “Highly stretchable DNA/clay hydrogels with self-healing ability”
A. T. Uzumcu, O. Guney, O. Okay, ACS Appl. Mater. Interfaces 10, 8296-8306 (2018) pdf SI
168. “Hybrid cross-linked poly(2-acrylamido-2-methyl-1-propanesulfonic acid) hydrogels with tunable viscoelastic, mechanical and self-healing properties”
E. Su, O. Okay, React. Funct. Polym. 123, 70-79 (2018) pdf SI
167. “Cryogelation within cryogels: Silk fibroin scaffolds with single-, double- and triple-network structures”
B. Yetiskin, C. Akinci, O. Okay, Polymer 128, 47-56 (2017) pdf SI
166. “Mechanically strong hyaluronic acid hydrogels with an interpenetrating network structure”
B. Tavsanli, O. Okay, Eur. Polym. J. 90, 185-195 (2017) pdf
165. “Yielding behavior of tough semicrystalline hydrogels”
C. Bilici, S. Ide, O. Okay, Macromolecules 50, 3647-3654 (2017) pdf SI
164. “High-strength silk fibroin scaffolds with anisotropic mechanical properties”
B. Yetiskin, O. Okay, Polymer 112, 61-70 (2017) pdf SI
163. “Polyampholyte hydrogels formed via electrostatic and hydrophobic interactions”
E. Su, O. Okay, Eur. Polym. J. 88, 191-204 (2017) pdf SI
162. “Reversibility of strain stiffening in silk fibroin gels”
Z. Oztoprak, O. Okay. Int. J. Bio. Macromol. 95, 24-31 (2017) pdf SI
161. “Nanocomposite DNA hydrogels with temperature sensitivity”
A. T. Uzumcu, O. Guney, O. Okay. Polymer 100, 169-178 (2016) pdf SI
160. “Preparation and fracture process of high strength hyaluronic acid hydrogels cross-linked by ethylene glycol diglycidyl ether”
B. Tavsanli, O. Okay. React. Funct. Polym. 109, 42-51 (2016) pdf
159. “Melt-processable shape-memory hydrogels with self-healing ability of high mechanical strength”
C. Bilici, V. Can, U. Nöchel, M. Behl, A. Lendlein, O. Okay. Macromolecules 49, 7442-7449 (2016) pdf SI
158. “High-strength semi-crystalline hydrogels with self-healing and shape memory functions”
B. Kurt, U. Gulyuz, D. D. Demir, O. Okay, Eur. Polym. J. 81, 12-23 (2016) pdf SI
157. “Nanostructural Evolution and Self-Healing Mechanism of Micellar Hydrogels”
V. Can, Z. Kochovski, V. Reiter, N. Severin, M. Siebenbürger, B. Kent, J. Just, J. P. Rabe, M. Ballauff, O. Okay Macromolecules 49, 2281-2287 (2016) pdf SI
156. “Self-Healing Poly(acrylic acid) Hydrogels: Effect of Surfactant”
U. Gulyuz, O. Okay, Macromol. Symp. 358, 232–238 (2015) pdf
155. “Mechanically strong triple network hydrogels based on hyaluronan and poly(N,N-dimethylacrylamide)”
B. Tavsanli, V. Can, O. Okay, Soft Matter 11, 8517-8524 (2015) pdf SI
154. “Self-healing poly(N-isopropylacrylamide) hydrogels”
U. Gulyuz, O. Okay, Eur. Polym. J. 72, 12-22 (2015) pdf SI
153. “Self-healing hydrogels formed via hydrophobic interactions”
O. Okay, Adv. Polym. Sci. 268,101-142 (2015) pdf
152. “Preparation and physical properties of hyaluronic acid-based cryogels”
A. Strom, A. Larsson, O. Okay, J. Appl. Polym. Sci. 132, 42194 (2015) pdf
151. “Self-healing poly(acrylic acid) hydrogels with shape memory behavior of high mechanical strength”
U. Gulyuz, O. Okay, Macromolecules 47, 6889-6899 (2014) pdf SI
150. “Non-ionic double and triple network hydrogels of high mechanical strength”
A. Argun, V. Can, U. Altun, O. Okay, Macromolecules 47, 6430-6440 (2014) pdf SI
149. “Synthesis and structure–property relationships of cryogels”
O. Okay, V. I. Lozinsky, Adv. Polym. Sci. 263, 103-157 (2014) pdf
148. “Basic principles of cryotropic gelation”
V. I. Lozinsky, O. Okay, Adv. Polym. Sci. 263, 49-101 (2014) pdf
147. “Highly stretchable self-healing poly(N,N-dimethylacrylamide) hydrogels”
M. P. Algi, O. Okay, Eur. Polym. J. 59, 113-121 (2014) pdf SI
146. “Porous rubber cryogels: effect of the gel preparation temperature”
Z. Oztoprak, T. Hekimoglu, I. Karakutuk, D. C. Tuncaboylu, O. Okay, Polym. Bull. 71, 1983-1990 (2014) pdf
145. “Surfactant-induced healing of tough hydrogels formed via hydrophobic interactions”
A. Argun, M. P. Algi, D. C. Tuncaboylu, O. Okay, Colloid Polym. Sci. 292, 511-517 (2014) pdf
144. “Autonomic self-healing in covalently crosslinked hydrogels containing hydrophobic domains”
D. C. Tuncaboylu, A. Argun, M. P. Algi, O. Okay, Polymer 54 (23), 6381-6388 (2013) pdf
143. “Self-healing polyacrylic acid hydrogels”
U. Gulyuz, O. Okay, Soft Matter 9 (43), 10287-10293 (2013) pdf SI
142. “Shape memory hydrogels via micellar copolymerization of acrylic acid and n-octadecyl acrylate in aqueous media”
C. Bilici, O. Okay, Macromolecules 46, 3125-3131 (2013) pdf SI
141. “Tough interpenetrating Pluronic F127/polyacrylic acid hydrogels”
T. Baskan, D.C. Tuncaboylu, O. Okay, Polymer 54, 2979-2987 (2013) pdf SI
140. “Macroporous silk fibroin cryogels.”
F. Ak, Z. Oztoprak, I. Karakutuk, O. Okay, Biomacromolecules 14, 719-727 (2013) pdf SI
139. “Self-healing hydrogels formed in catanionic surfactant solutions.”
G. Akay, A. Hassan-Raeisi, D.C. Tuncaboylu, N. Orakdogen, S. Abdurrahmanoglu, W. Oppermann, O. Okay, Soft Matter 9, 2254-2261 (2013) pdf SI
138. “Swelling behavior of physical and chemical DNA hydrogels.”
P. Karacan P, H. Cakmak, O. Okay, J. Appl. Polym. Sci. 128, 3330-3337 (2013) pdf
137. “Ethidium bromide binding to DNA cryogels.”
P. Karacan, O. Okay, React. Funct. Polym. 73, 442-450 (2013) pdf SI
136. “Structure optimization of self-healing hydrogels formed via hydrophobic interactions.”
D. C. Tuncaboylu, A. Argun, M. Sahin, M.
Sari, O. Okay, Polymer 53 (24), 5513-5522 (2012) pdf SI
135. “Dynamics and large strain behavior of self-healing hydrogels with and without surfactants.”
D. C. Tuncaboylu, M. Sahin, A. Argun, W. Oppermann, O. Okay, Macromolecules 45 (4), 1991-2000 (2012) pdf SI
134. “Diepoxide-triggered conformational transition of silk fibroin: Formation of hydrogels.”
I. Karakutuk, F. Ak, O. Okay, Biomacromolecules 13 (4), 1122-1128 (2012) pdf SI
133. “Tough and self-healing hydrogels formed via hydrophobic interactions.”
D. C. Tuncaboylu, M. Sarý, W. Oppermann, O. Okay, Macromolecules 44, 4997-5005 (2011) pdf SI
132. “Macroporous, responsive DNA cryogel beads.”
N. Orakdogen, P. Karacan, O. Okay, React. Funct. Polym. 71, 782-790 (2011) pdf
131. “DNA hydrogels: New functional soft materials.”
O. Okay, J. Polym. Sci. B: Polymer Phys. 49, 551-556 (2011) pdf
130. “Solution cross-linked natural rubber (NR) / clay aerogel composites.”
T. Pojanavaraphan, L. Liu, D. Ceylan, O. Okay, R. Magaraphan, D. A. Schiraldi, Macromolecules 44, 923-931 (2011) pdf SI
129. “Dodecyl methacrylate as a crosslinker in the preparation of tough polyacrylamide hydrogels.”
S. Abdurrahmanoglu, M. Cilingir, O. Okay, Polymer 52, 694-699 (2011) pdf SI
128. “Self-oscillating pH-responsive cryogels as possible candidates of soft materials for generating mechanical energy”
C. Bilici, S. Karayel, T.T. Demir, O. Okay, J. Appl. Polym. Sci. 118, 2981-2988 (2010) pdf
127. “Macroporous rubber gels as reusable sorbents for the removal of oil from surface waters”
I. Karakutuk, O. Okay, React. Funct. Polym. 70, 585-595 (2010) pdf
126. “Evidence of strain hardening in DNA gels”
N. Orakdogen, B. Erman, O. Okay, Macromolecules 43 (3), 1530-1538 (2010) pdf SI
125. “Effect of nanoscale interactions on the rheological behavior of polymer – clay nanocomposite hydrogels”
S. Abdurrahmanoglu, O. Okay, J. Appl. Polym. Sci. 116, 2328-2335 (2010) pdf
124. “Hierarchically macroporous cryogels of polyisobutylene and silica nanoparticles”
D.C. Tuncaboylu, O. Okay, Langmuir 26 (10), 7574–7581 (2010) pdf SI
123. “Design of high-toughness polyacrylamide hydrogels by hydrophobic modification”
S. Abdurrahmanoglu, V. Can, O. Okay, Polymer 50, 5449-5455 (2009) pdf SI
122. “Formation of hydrogels by simultaneous denaturation and cross-linking of DNA”
F. Topuz, O. Okay, Biomacromolecules 10, 2652-2661 (2009) pdf SI
121. “Preparation and characterization of single-hole macroporous organogel particles of high toughness and superfast responsivity”
D.C. Tuncaboylu, O. Okay O, Eur. Polym. J. 45 (7), 2033-2042 (2009) pdf
120. “Evaluation of butyl rubber as sorbent material for the removal of oil and polycyclic aromatic hydrocarbons from seawater”
D. Ceylan, S. Dogu, B.Karacik, S.D. Yakan, O.S. Okay, O. Okay, Environ. Sci. Technol. 43 (10), 3846-3852 (2009) pdf SI
119. “Macroporous hydrogel beads of high toughness and superfast responsivity”
F. Topuz, O. Okay, React. Funct. Polym. 69, 273-280 (2009) pdf
118. “Collapse of acrylamide-based polyampholyte hydrogels in water”
S. Dogu, M. Kilic, O. Okay, J. Appl. Polym. Sci. 113, 1375-1382 (2009) pdf
117. “Rheological behavior of responsive DNA hydrogels”
F. Topuz, O. Okay, Macromolecules 41, 8847-8854 (2008) pdf SI
116. “Homogeneous poly(acrylamide) hydrogels made by large size, flexible dimethacrylate crosslinkers”
S. Abdurrahmanoglu, O. Okay, Macromolecules 41, 7759-7761 (2008) pdf SI
115. “Tough organogels based on polyisobutylene with aligned porous structures”
S. Dogu, O. Okay, Polymer 49, 4626-4634 (2008) pdf
114. “Formation of macroporous poly(acrylamide) hydrogels in DMSO/water mixture: Transition from cryogelation to phase separation copolymerization”
M. M. Ozmen, O. Okay, React. Funct. Polym 68, 1467-1475 (2008) pdf
113. “Preparation of Homogeneous Hydrogels by Controlling the Crosslinker Reactivity and Availability”
S. Abdurrahmanoglu, O. Okay, J. Macromol. Sci. A: Pure and Appl. Chem. 45, 769-775 (2008) pdf
112. “Equilibrium swelling behavior and elastic properties of polymer-clay nanocomposite hydrogels”
S. Abdurrahmanoglu, V. Can, O. Okay, J. Appl. Polym. Sci. 109, 3714-3724 (2008) pdf
111. “Preparation of macroporous poly(acrylamide) hydrogels in DMSO/water mixture at subzero temperatures“
M.M. Ozmen, M.V. Dinu, O. Okay, Polymer Bull. 60, 169-180 (2008) pdf
110. “Macroporous polyisobutylene gels: A novel tough organogel with superfast responsivity”
D. Ceylan, O. Okay, Macromolecules 40, 8742-8749 (2007) pdf
109. “Unusual swelling behavior of polymer-clay nanocomposite hydrogels”
V. Can, S. Abdurrahmanoglu, O. Okay, Polymer 48, 5016-5023 (2007) pdf
108. “Preparation of homogeneous polyacrylamide hydrogels by free-radical crosslinking copolymerization”
E. A. Kuru, N. Orakdogen, O. Okay, Eur. Polym. J. 43, 2913-2921 (2007) pdf
107. “Preparation of Macroporous Acrylamide-based Hydrogels: Cryogelation under Isothermal Conditions”
M.
M. Ozmen, M. V. Dinu, E. S. Dragan,
O. Okay, J. Macromol.
Sci. A: Pure and Appl. Chem. 44, 1195-1202 (2007) pdf
N. Orakdogen N, and O. Okay, J. Appl. Polym. Sci. 103, 3228-3237 (2007) pdf
N. Orakdogen, and O. Okay, Polymer Bulletin 57, 631-641 (2006) pdf
M.M. Ozmen, and O. Okay, J. Macromol. Sci. A: Pure and Appl. Chem. 43, 1215-1225 (2006) pdf
D. Ceylan, V. Can, and O. Okay, J. Macromol. Sci. A: Pure and Appl. Chem. 43, 1635-1649 (2006) pdf
98. “Effect of initial monomer concentration on the equilibrium swelling and elasticity of hydrogels”
N. Orakdogen, and O. Okay, Eur. Polym. J. 42 (2006) pdf
97. “Swelling-deswelling kinetics of poly(N-isopropylacrylamide) hydrogels formed in PEG solutions”
Y. Dogu, and O. Okay, J. Appl. Polym. Sci. 99, 37-44 (2006) pdf
96. “Reentrant conformation transition in poly(N,N-dimethylacrylamide) hydrogels in water-organic solvent mixtures”
N. Orakdogen, and O. Okay, Polymer 47, 561-568 (2006) pdf
95. “Suppression of inhomogeneities in hydrogels formed by free-radical crosslinking copolymerization”
94. “Superfast responsive ionic hydrogels with contrallable pore size”
M.M. Ozmen, and O. Okay, Polymer 46, 8119-8127 (2005) pdf
93. “Shake gels based on Laponite-PEO mixtures: Effect of polymer molecular weight”
V. Can, and O. Okay, Designed Monomers Polymers 8, 453-462 (2005) pdf
92. “Molecular weight development during thiol-ene photopolymerizations”
O. Okay, S.K. Reddy, and C.N. Bowman, Macromolecules 38, 4501-4511 (2005) pdf
91. “Kinetic modeling of thiol-ene reactions with both step and chain growth aspects”
O. Okay, and C.N. Bowman, Macromol. Theory Simul. 14, 267-277 (2005) pdf
90. “Spatial inhomogeneity in poly(acrylic acid) hydrogels”
Yazici, and O. Okay, Polymer 46, 2595-2602 (2005) pdf
89. “Effect of spatial gel inhomogeneity on the elastic modulus of strong polyelectrolyte hydrogels”
Ozdogan, and O. Okay, Polymer Bull. 54, 435-442 (2005) pdf
88. “Non-Gaussian elasticity of poly(2-acrylamido-2-methylpropane sulfonic acid) gels”
M.M. Ozmen, and O.
Okay, Polymer Bull. 52, 83-90 (2004) pdf
87. “Swelling, elasticity and spatial inhomogeneity of poly(N,N-dimethylacrylamide) hydrogels formed at various polymer concentrations”
N. Gundogan, O. Okay and W. Oppermann, Macromol. Chem. Phys. 205, 814-823 (2004) pdf
86. “Effect of swelling on spatial inhomogeneity in poly(acrylamide) gels formed at various monomer concentrations”
M.Y. Kýzýlay, and O. Okay, Polymer 45, 2576-2576 (2004) pdf
85. “Swelling and elasticity of poly(N-isopropylacrylamide-co-4-vinylbenzenesulfonic acid sodium salt) hydrogels”
N. Gundogan, D. Melekaslan, and O. Okay, J. Appl. Polym. Sci. 94, 135-141 (2004) pdf
84. “Minimization of spatial inhomogeneity in polystyrene gels formed by free-radical mechanism”
H. Cerid, and O. Okay, Eur. Polym. J. 40, 579-587 (2004) pdf
83. “Swelling and elasticity of hydrogels based on a poly(ethylene oxide) macroinimer”
D. Melekaslan, F. Kasapoglu, K. Ito, Y. Yagci, and O. Okay, Polymer International 53, 237-242 (2004) pdf
82. “Non-Gaussian elasticity of swollen poly(N-isopropylacrylamide) gels at high charge densities”
N. Gundogan, D. Melekaslan, and O. Okay, Eur. Polym. J. 39, 2209-2216 (2003) pdf
81. “Effect of hydrolysis on spatial inhomogeneity in poly(acrylamide) gels of various crosslink densities”
M.Y. Kýzýlay, and O. Okay, Polymer 44, 5239-5250 (2003) pdf
80. “Elasticity of poly(acrylamide) gel beads”
D. Melekaslan, N. Gundogan, and O. Okay, Polymer Bull. 50, 287-294 (2003) pdf
79. “Swelling behavior of strong polyelectrolyte poly(N-t-butyl acrylamide-co-acrylamide) hydrogels”
M.M. Ozmen, and O. Okay, Eur. Polym. J. 39, 877-886 (2003) pdf
78. “Effect of initial monomer concentration on spatial inhomogeneity in poly(acrylamide) gels”
M.Y. Kýzýlay, and O. Okay, Macromolecules 36, 6856-6862 (2003) pdf
77. “Swelling and elasticity of poly(N-isopropylacrylamide) gels immersed in the melt of poly(ethylene glycol) chains”
D. Melekaslan, N. Gundogan, and O. Okay, Polymer 44, 2281-2288 (2003) pdf
76. “Temperature dependent swelling behavior of ionic poly(N-isopropylacrylamide) gels in PEG solutions”
D. Melekaslan, and O. Okay, Polymer Bull. 49, 181-188 (2002) pdf
75. “Temperature sensitive poly(N-t-butyl acrylamide-co-acrylamide) hydrogels: synthesis and swelling behavior”
V. Ozturk, and O. Okay, Polymer 43, 5017-5026 (2002) pdf
74. “Rubber elasticity of poly(N-isopropylacrylamide) gels at various charge densities”
N. Gundogan, D. Melekaslan, and O. Okay, Macromolecules 35, 5616-5622 (2002) pdf
73. “Macroporous poly(N-isopropylacrylamide) networks”
C. Sayil, and O. Okay, Polymer Bull. 48, 499-506 (2002) pdf
72. “Swelling and mechanical properties of solution crosslinked poly(isobutylene) gels”
S. Durmaz, S. Fank, and O. Okay, Macromol. Chem. Phys. 203, 663-672 (2002) pdf
71. “Real time temperature and photon transmission measurements for monitoring phase separation during the formation of poly(N-isopropylacrylamide) gels”
S. Kara, O. Okay, and O. Pekcan, J. Appl. Polym. Sci. 86, 3589- 3595 (2002) pdf
70. “Volume phase transition of polymer networks in polymeric solvents”
O. Okay, and N. Gundogan, Macromol. Theory Simul. 11, 287-292 (2002) pdf
69. “Reentrant phase transition of poly(N-isopropylacrylamide) gels in polymer solutions: Thermodynamic analysis”
N. Gundogan, and O. Okay, J. Appl. Polym. Sci. 85, 801-813 (2002) pdf
68. “Charge density dependence of elastic modulus of strong polyelectrolyte hydrogels”
O. Okay, and S. Durmaz, Polymer 43, 1215-1221 (2002) pdf
67. “Swelling-shrinking hysteresis of poly(N-isopropyl)acrylamide) gels in sodium dodecylbenzenesulfonate solutions”
C. Sayil, and O. Okay, J. Appl. Polym. Sci. 83, 1228-1232 (2002) pdf
66. “Inhomogeneities in poly(acrylamide) gels: Position-dependent elastic modulus measurements”
S. Durmaz, and O. Okay, Polymer Bull. 46, 409 - 418 (2001) pdf
65. “Macroporous poly(N-isopropyl) acrylamide networks: Formation conditions”
C. Sayil, and O. Okay, Polymer 42, 7639 - 7652 (2001) pdf
64. “Elastic behavior of solution crosslinked poly(isobutylene) gels under large compression”
M.N. Ince, B. Erman, O. Okay, and S. Durmaz, Polymer 42, 3771-3777 (2001) pdf
63. “Reentrant phase transition of strong polyelectrolyte poly(N-isopropylacrylamide) gels in PEG solutions”
D. Melekaslan, and O. Okay, Macromol. Chem. Phys. 202,304 - 312 (2001) pdf
62. “In situ photon transmission technique for monitoring phase separation in real time during gelation”
S. Kara, O. Okay, and O. Pekcan, Polymer Bull. 45, 281-285 (2000) pdf
61. “The effect of preparation temperature on the swelling behavior of poly(N-isopropylacrylamide) gels”
C. Sayil, and O. Okay, Polymer Bull. 45, 175-182 (2000) pdf
60. “Swelling of strong polyelectrolyte hydrogels in polymer solutions: Effect of ion pair formation on the polymer collapse”
D. Melekaslan, and O. Okay, Polymer 41, 5737-5747 (2000) pdf
59. “Macroporous Copolymer Networks”
O. Okay, Progress in Polymer Science 25, 711-779 (2000) pdf
58. “Solution crosslinked poly(isobutylene) gels: synthesis and swelling behavior”
O. Okay, S. Durmaz, and B. Erman, Macromolecules 33, 4822-4827 (2000) pdf
57. “Acrylamide / 2-acrylamido- 2- methyl propane sulfonic acid sodium salt -based hydrogels: Synthesis and characterization”
S. Durmaz, and O. Okay, Polymer 41, 3693-3704 (2000) pdf
56. “Gel growth in free-radical crosslinking copolymerization: Effect of inactive gel radicals”
O. Okay, Macromol. Theory Simul. 9, 354-361 (2000) pdf
55. “Phase separation during the formation of poly(acrylamide) hydrogels”
S. Durmaz, and O. Okay, Polymer 41, 5729-5735 (2000) pdf
54. “Swelling Behavior of Poly(acrylamide-co-sodium acrylate) Hydrogels in Aqueous Salt Solutions: Theory versus Experiments”
O. Okay, and S.B. Sariisik, Eur. Polym. J. 36, 393-399 (2000) pdf
53. “Heterogeneities during the formation of poly(sodium acrylate) hydrogels”
O. Okay, Y. Yilmaz, D. Kaya, M. Keskinel, and O. Pekcan, Polymer Bull. 43, 425-431 (1999) pdf
52. “Observation of critical opalescence in free radical crosslinking copolymerization of styrene and divinylbenzene by fluorescence method”
O. Pekcan, D. Kaya, and O. Okay, Eur. Polym. J. 35, 2025-2029 (1999) pdf
51. “Formation of Macroporous Styrene - Divinylbenzene Copolymer Networks: Theory versus Experiments”
O. Okay, J. Appl. Polym. Sci. 74, 2181-2195 (1999) pdf
50. “Free-radical Crosslinking Copolymerization of Styrene and Divinylbenzene: Real Time Monitoring of the Gel Effect Using Fluorescence Probe”
O. Okay, D. Kaya, and O. Pekcan, Polymer 40, 6179-6187 (1999) pdf
49. “Phase Separation in Free-Radical Crosslinking Copolymerization: Formation of Heterogeneous Polymer Networks”
O. Okay, Polymer 40, 4117-4129 (1999) pdf
48. “Pore memory of Macroporous Styrene -Divinylbenzene Copolymer Beads”
E. Erbay, and O. Okay, J. Appl. Polym. Sci. 71, 1055-1062 (1999) pdf
47. “Macroporous Styrene - Divinylbenzene Copolymers: Formation of Stable Porous Structures during the Copolymerization”
E. Erbay, and O. Okay, Polymer Bull. 41, 379-385 (1998) pdf
46. “Swelling Behavior of Anionic Acrylamide-based Hydrogels in Aqueous Salt Solutions: Comparison of Experiment with Theory”
O. Okay, S.B. Sariisik, and S.D. Zor, J. Appl. Polym. Sci. 70, 567-575 (1998) pdf
45. “Heterogeneities in polyacrylamide gels immersed in acetone- water mixtures”
O. Okay, and U. Akkan, Polymer Bull. 41, 363-370 (1998) pdf
44. “Swelling of polyacrylamide gels in polyacrylamide solutions”
N. Kayaman, O. Okay, and B.M. Baysal, J. Polym. Sci., Polym. Phys. Ed., 36, 1313-1320 (1998) pdf
43. “Effects of Cyclization and Electrostatic Interactions on the Termination Rate of Macroradicals in Free-Radical Crosslinking Copolymerization”
M. Keskinel, and O. Okay, Polymer Bull. 40, 491- 498 (1998) pdf
42. “Microgels- intramolecularly crosslinked macromolecules with a globular structure”
W. Funke, O. Okay, and B. Joos-Muller, Advances in Polymer Science 136,139-234 (1998) pdf
41. “Structure and protein separation efficiency of poly(N-isopropylacrylamide) gels: Effect of synthesis conditions”
N. Kayaman, D. Kazan, A. Erarslan, O. Okay, and B.M. Baysal, J. Appl. Polym. Sci. 67, 805-814 (1998). pdf
40. "Phase transition of hydrolyzed polyacrylamide gels in PEG solutions"
N. Kayaman, O. Okay, and B.M. Baysal, Turk. J. Chem. 21, 346-352 (1997) pdf
39. “Effects of cyclization and pendant vinyl group reactivity on the swelling behavior of polyacrylamide gels”
O. Okay, N.K. Balimtas, and H.J. Naghash, Polymer Bull. 39, 233-239 (1997) pdf
38. “Swelling of polyacrylamide gels in aqueous solutions of ethylene glycol oligomers”
N. Kayaman, O. Okay, and B.M. Baysal, Polymer Gels and Networks 5, 339-356 (1997) pdf
37. “Real time monitoring of polymerization rate of methyl methacrylate using fluorescence probe”
O. Pekcan, Y. Yilmaz, and O. Okay, Polymer 38, 1693-1698 (1997) pdf
36. “Gel formation by chain crosslinking photopolymerization of methyl methacrylate and ethylene glycol dimethacrylate”
H.J. Naghash, O. Okay, and Y. Yagci, Polymer 38, 1187-1196 (1997) pdf
35. “Phase transition of polyacrylamide gels in PEG solutions”
N. Kayaman, O. Okay, and B.M. Baysal, Polymer Gels and Networks 5, 167-184 (1997) pdf
34. “Critical properties for gelation in free-radical crosslinking polymerization”
O. Okay, Turk. J. Phys. 20, 27-32 (1996)
33. “Determination of reaction activation energy during gelation in free-radical crosslinking copolymerization using the steady-state fluorescence method”
O. Pekcan, Y. Yilmaz, and O. Okay, J. Appl. Polym. Sci. 61, 2279-2284 (1996) pdf
32. “Size distribution of polymers during the photoinitiated free-radical copolymerization of methyl methacrylate and ethylene glycol dimethacrylate”
H.J. Naghash, O. Okay, and Y. Yagci, Polymer Bull. 37, 207-213 (1996) pdf
31. “Kinetics of emulsifier-free emulsion polymerization of methyl methacrylate”
T. Tanrisever, O. Okay, and I.C. Sonmezoglu, J. Appl. Polym. Sci. 61, 485-493 (1996) pdf
30. “In situ fluorescence experiments to test the reliability of random bond and site bond percolation models during sol-gel transition in free-radical crosslinking copolymerization”
O. Pekcan, Y. Yilmaz, and O. Okay, Polymer 37, 2049-2053 (1996) pdf
29. “Formation and structure of polyacrylamide gels”
H.J. Naghash, and O. Okay, J. Appl. Polym. Sci. 60, 971-979 (1996) pdf
28. “Effect of diluents on the porous structure of crosslinked polymethyl methacrylate beads”
Kucuk, A. Kuyulu, and O. Okay, Polymer Bull. 35, 511-516 (1995) pdf
27. “Critical properties for gelation in free-radical crosslinking copolymerization”
O. Okay, H.J. Naghash, and O. Pekcan, Macromol. Theory & Simul. 4, 967-981 (1995) pdf
26. “Free radical crosslinking copolymerization. Effect of cyclization on diffusion-controlled termination at low conversion”
O. Okay, H.J. Naghash, and I. Capek, Polymer 36, 2413-2419 (1995) pdf
25. “Cyclization and Reduced Pendant Vinyl Group Reactivity during the Free-radical Crosslinking Polymerization of 1,4-Divinylbenzene”
O. Okay, M. Kurz, K. Lutz, and W. Funke, Macromolecules 28, 2728 - 2737 (1995) pdf
24. “Gel Formation in Free-radical Crosslinking Copolymerization”
H.J. Naghash, O. Okay, and H. Yildirim, J. Appl. Polym. Sci. 56, 477 - 483 (1995) pdf
23. “Pendant Vinyl Group Reactivity during the Free-radical Copolymerization of Methyl Methacrylate and Ethylene Glycol Dimethacrylate”
O. Okay, and H.J. Naghash, Polymer Bull. 33, 665 - 672 (1994) pdf
22. “Fluorescence Technique to Study Sol-Gel Transition in the Free-radical Crosslinking Copolymerization of Methyl Methacrylate and Ethylene Glycol Dimethacrylate”
O. Pekcan, Y. Yilmaz, and O. Okay, Chem. Phys. Lett. 229, 537-540 (1994) pdf
21. “Kinetics of Gelation in Free-radical Crosslinking Copolymerization”
O. Okay, Polymer 35, 2613 - 2618 (1994) pdf
20. “Gel Properties in Free-radical Crosslinking Copolymerization: A Kinetic Approach”
O. Okay, Makromol. Chem. Theory and Simul. 3, 417 - 427 (1994) pdf
19. “Kinetic Modelling of Network Formation and Properties in Free-radical Copolymerization”
O. Okay, Polymer 35, 796 - 807 (1994) pdf
18. “Intramolecularly Crosslinked Macromolecules - Formation and Structure, Characterization and Particle Properties”
W. Funke, H. Bauer, B. Joos, J. Kaczun, B. Kleiner, U. Leibelt,
and O. Okay, Polymer International 30, 519 - 523 (1993)
17. “Synthesis and Formation Mechanism of Porous 2-Hydroxyethyl Methacrylate - Ethylene Glycol Dimethacrylate Copolymer Beads”
O. Okay, and C. Gurun, J. Appl. Polym. Sci. 46, 401-410 (1992) pdf
16. “Formation and Structural Characteristics of Porous Ethylene Glycol Dimethacrylate Networks”
O. Okay, and C. Gurun, J. Appl. Polym. Sci. 46, 421-434 (1992) pdf
15. “Steric Stabilization of Reactive Microgels from 1,4-Divinylbenzene”
O. Okay, and W. Funke, Makromol. Chem. Rapid Commun. 11, 583-587 (1990) pdf
14. “Conditions of Microgel Formation in the Anionic Polymerization of 1,4-Divinylbenzene”
O. Okay, and W. Funke, Makromol. Chem. 191, 1565-1573 (1990) pdf
13. “Anionic Dispersion Polymerization of 1,4-Divinylbenzene”
O. Okay, and W. Funke, Macromolecules 23, 2623-2628 (1990) pdf
12. “Formation and Structural Characteristics of Loosely Crosslinked Styrene-Divinylbenzene Networks”
O. Okay, Makromol. Chem. 189, 2201-2217 (1988) pdf
11. “Styrene-Divinylbenzene Copolymers VII. Stability of the Porous Structures Formed in Toluene-Cyclohexanol Mixtures”
O. Okay, Angew. Makromol. Chem. 157, 15-21 (1988) pdf
10. “Styrene-Divinylbenzene Copolymers VI. Porosity Formation in the Presence of Toluene-Cyclohexanol Mixtures as Inert Diluents”
O. Okay, Angew. Makromol. Chem. 157, 1-13 (1988) pdf
9. “Styrene-Divinylbenzene Copolymers V. Inhomogeneity in the Structure and Average Degree of Swelling”
O. Okay, Angew. Makromol. Chem. 153, 125-134 (1987) pdf
8. “Porous Maleic Anhydride-Styrene-Divinylbenzene Copolymer Beads”
O. Okay, J. Appl. Polym. Sci. 34, 307-317 (1987) pdf
7. “Styrene-Divinylbenzene Copolymers IV. Porosity Changes During Chloromethylation”
O. Okay, Angew. Makromol. Chem. 143, 209-214 (1986) pdf
6. “Heterogeneous Styrene-Divinylbenzene Copolymers. Stability Conditions of the Porous Structures”
O. Okay, J. Appl. Polym. Sci. 32, 5533-5542 (1986) pdf
5. “Heterogeneous Styrene-Divinylbenzene Copolymers in Collapsed and Reexpanded States”
O. Okay, and T.I. Balkas, J. Appl. Polym. Sci. 31, 1785-1795 (1986) pdf
4. “Phase Separation in the Synthesis of Styrene-Divinylbenzene Copolymers with Di-2-ethylhexyl Phthalate as Diluent”
O. Okay, E. Soner, A. Gungor, and T.I. Balkas, J. Appl. Polym. Sci. 30, 2065-2074 (1985) pdf
3. “Boron Pollution in the Simav River, Turkey and Various Methods of Boron Removal”
O. Okay, H. Guclu, E. Soner, and T.I. Balkas, Water Research 19, 857 - 862 (1985) pdf
2. “Stark basische Ionenaustauscher auf Guanidiniumsalz-Formaldehyd-Aceton-Basis”
O. Okay, and H. Schindlbauer,
Angew. Makromol. Chem. 127,
203-209 (1984) pdf
1. “Wasserlösliche Kationisch Modifizierte
Copolymere mit Acrylamid”
O. Okay, and H. Schindlbauer, Angew. Makromol. Chem. 122, 21-31 (1984) pdf
BOOKS
2. “Self-Healing and Self-Recovering Hydrogels”
C. Creton, O. Okay (eds.) Advances in Polymer
Science 285, Springer,
2020.
1. “Polymeric Cryogels: Macroporous Gels with Remarkable Properties”
O. Okay (ed.) Advances in Polymer Science
263, Springer, 2014.
BOOK
CHAPTERS
3. “General properties of hydrogels”
O. Okay, in G. Gerlach and K.-F. Arndt, eds., Hydrogel sensors and actuators, Springer Series on Chemical Sensors and Biosensors, Vol. 6, pp. , Springer, 2009. pdf
2. “Production of macroporous polymeric materials by phase separation polymerization”
O. Okay, in B. Mattiasson, A. Kumar, and I. Y. Galaev, eds., Macroporous polymers: Production, properties and biotechnological/biomedical application, CRC Press, Taylor and Francis Group, Boca Raton, FL, 2009.
1. “Macroporous hydrogels from smart polymers”,
O. Okay, in B. Mattiasson and I. Galaev, eds., Smart Polymers: Production, Study and Application in Biotechnology and Biomedicine, 2nd edition, pp. 269-299, CRC Press, Taylor and Francis, Boca Raton, FL, 2007.
5. "Production of self-healable and shape memory butyl rubber” (Kendi kendini onarabilen ve þekil hafýzalý butil kauçuk üretimi)
O. Okay, C. Bilici,
T. C. Patent Basvurusu, 18/06/2019 (2019)
4. "Production of macroporous reusable
rubber sorbent for removal organic pollutants from water” (Organik kirleticilerin
sulardan uzaklaþtýrýlmasý için makrogözenekli, tekrar kullanýlabilir kauçuk sorbent üretimi)
O. Okay, I. Karakutuk, D. Ceylan, O.S. Okay,
T. C. Patent, TR200909456 (2009)
3. “Preparation of novel macroporous sorbents and use of them for the removal
of oil spills from surface waters” (Petrol
döküntülerinin yüzey sularýndan uzaklaþtýrýlmasý için yeni bir
makrogözenekli sorbent üretimi ve uygulamasý)
O. Okay, and D. Ceylan,
T. C. Patent, TR20070001790 20070321 (2007)
2. “Biyolojik çözeltilerin konsantre edilmesi için sicakliga duyarli polimerik jel kürecikleri üretimi”
N. Kayaman, O. Okay, D. Kazan, A. Erarslan, and B.M. Baysal,
T. C. Patent No: TR9600295 B, (1996)
1. “Superabsorbent materials based on butyl rubber: Process for making said
materials and use of them”
B. Erman, O. Okay, and S. Durmaz,
International Patent, Patent Number WO0148042 A1, AU2470800, Publication Date: 2001-07-05
11. Okay, O., Kimya Bölümlerinin bilimsel baþarýsý, makale
Cumhuriyet Bilim Teknik, Sayý 1050 (4.05.2007).
10. Okay, O., Olgun, H., Karakoc, F., Ayar, R., Okay, D., 21-23/04/2001 Hasandaðý Týrmanýþý
MAM Gündem, Sayý 35, Mayýs-Haziran 2001, Sayfa 9-11 (GEZÝ)
9. Kaya, D., Okay, O., Pekcan, Ö., Real Time Monitoring of the Gel Effect in Free-Radical Crosslinking Copolymerization of Styrene and Divinylbenzene Using Fluorescence Probe
Turkish Journal of Physics 23, 179 (1999)
8. Pekcan, Ö., Yilmaz, Y., Okay, O., Fluorescence technique for studying the sol-gel transition in free-radical crosslinking copolymerization of methyl methacrylate and ethylene glycol dimethacrylate, abstract,
Turkish Journal of Physics 20, 70 (1996)
7. Okay, O., Teknoloji mi? Temel Arastirma mi?, makale
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