References
- Battez, A. H.; González, R.; Viesca, J.; Fernández, J.; Fernández, J. D.; Machado, A.; Chou, R.; Riba, J. CuO, ZrO2 and ZnO Nanoparticles as Antiwear Additive in Oil Lubricants. Wear 2008, 265, 422‒428.
- Humayun, M.; Khan, A.; Zada, A.; Khan, M.; Qureshi, M. N.; Hussain, Z. Synthesis and Physicochemical Characterization of ZnO-Porphyrin Based Hybrid Materials. J. Chem. Soc. Pak. 2014, 36, 639‒646.
- Segets, D.; Gradl, J.; Taylor, R. K.; Vassilev, V.; Peukert, W. Analysis of Optical Absorbance Spectra for the Determination of ZnO Nanoparticle Size Distribution, Solubility, and Surface Energy. ACS Nano. 2009, 3, 1703–1710. DOI: https://doi.org/10.1021/nn900223b.
- Chaari, M.; Matoussi, A. Electrical Conduction and Dielectric Studies of ZnO Pellets. Physica B: Condens. Matter 2012, 407, 3441–3447.
- Ludi, B.; Niederberger, M. Zinc Oxide Nanoparticles: Chemical Mechanisms and Classical and Non-Classical Crystallization. Dalton Trans. 2013, 42, 12554–12568. DOI: https://doi.org/10.1039/c3dt50610j.
- Sirousazar, M.; Forough, M.; Farhadi, K.; Shaabani, Y.; Molaei, R. Hydrogels: Properties, Preparation, Characterization and Biomedical, Applications in Tissue Engineering, Drug, Delivery and Wound Care. In Advanced Healthcare Materials, Tiwari, A., Ed.; John Wiley & Sons, Inc.: Hoboken, NJ, 2014; pp. 295–357.
- Jafarigol, E.; Salehi, M. B.; Mortaheb, H. Synergetic Effects of Additives on Structural Properties of Acrylamide-Based Hydrogel. J. Dispers. Sci. Technol. 2020. DOI: https://doi.org/10.1080/01932691.2020.1721012.
- Farooqi, Z. H.; Khan, H. U.; Shah, S. M.; Siddiq, M. Stability of Poly(N-Isopropylacrylamide-co-Acrylic Acid) Polymer Microgels under Various Conditions of Temperature, pH and Salt Concentration. Arab. J. Chem. 2017, 10, 329–335. DOI: https://doi.org/10.1016/j.arabjc.2013.07.031.
- Lee, K. Y. Chitosan and Its Derivatives for Gene Delivery. Macromol. Res. 2007, 15, 195–201. DOI: https://doi.org/10.1007/BF03218774.
- Lee, C. F.; Wen, C. J.; Lin, C. L.; Chiu, W. Y. Morphology and Temperature Responsiveness–Swelling Relationship of Poly (N‐Isopropylamide–Chitosan) Copolymers and Their Application to Drug Release. J. Polym. Sci. A Polym. Chem. 2004, 42, 3029–3037. DOI: https://doi.org/10.1002/pola.20085.
- Kim, S. Y.; Cho, S. M.; Lee, Y. M.; Kim, S. J. Thermo‐ and pH‐Responsive Behaviors of Graft Copolymer and Blend Based on Chitosan and N‐Isopropylacrylamide. J. Appl. Polym. Sci. 2000, 78, 1381–1391. DOI: https://doi.org/10.1002/1097-4628(20001114)78:7<1381::AID-APP90>3.0.CO;2-M.
- Begum, R.; Naseem, K.; Ahmed, E.; Sharif, A.; Farooqi, Z. H. Simultaneous Catalytic Reduction of Nitroarenes Using Silvernanoparticles Fabricated in Poly(N-Isopropylacrylamide-Acrylicacid-Acrylamide) Microgels. Colloids Surf. A 2016, 511, 17–26. DOI: https://doi.org/10.1016/j.colsurfa.2016.09.076.
- Farooqi, Z. H.; Naseem, K.; Ijaz, A.; Begum, R. Engineering of Silver Nanoparticle Fabricated Poly (N-Isopropylacrylamide-co-Acrylic Acid) Microgels for Rapid Catalytic Reduction of Nitrobenzene. J. Polym. Eng. 2016, 36, 87–96. DOI: https://doi.org/10.1515/polyeng-2015-0082.
- Rehman, T. U.; Bibi, S.; Khan, M.; Ali, I.; Shah, L. A.; Khan, A.; Ateeq, M. Fabrication of Stable Superabsorbent Hydrogels for Successful Removal of Crystal Violet from Waste Water. RSC Adv. 2019, 9, 40051–40061. DOI: https://doi.org/10.1039/C9RA08079A.
- Shah, L. A.; Syed, M.; Siddiq, M. Fabrication of Ag and Au Nanoparticles in Cross-Linked Polymer Microgels for Their Comparative Catalytic Study. Mater Sci-Poland 2017, 35, 651–659.
- Bibi, F.; Ajmal, M.; Naseer, F.; Farooqi, Z. H.; Siddiq, M. Preparation of Magnetic Microgels for Catalytic Reduction of 4-Nitrophenol and Removal of Methylene Blue from Aqueous Medium. Int. J. Environ. Sci. Technol. 2018, 15, 863–874. DOI: https://doi.org/10.1007/s13762-017-1446-4.
- Bai, S.; Wu, C.; Gawlitza, K.; Von Klitzing, R.; Ansorge-Schumacher, M. B.; Wang, D. Using Hydrogel Microparticles to Transfer Hydrophilic Nanoparticles and Enzymes to Organic Media via Stepwise Solvent Exchange. Langmuir 2010, 26, 12980–12987. DOI: https://doi.org/10.1021/la102042m.
- Sivakumaran, D.; Maitland, D.; Hoare, T. Injectable Microgel-Hydrogel Composites for Prolonged Small-Molecule Drug Delivery. Biomacromolecules 2011, 12, 4112–4120. DOI: https://doi.org/10.1021/bm201170h.
- Brown, A. C.; Stabenfeldt, S. E.; Ahn, B.; Hannan, R. T.; Dhada, K. S.; Herman, E. S.; Stefanelli, V.; Guzzetta, N.; Alexeev, A.; Lam, W. A.; et al. Ultrasoft Microgels Displaying Emergent Platelet-Like Behaviours. Nat. Mater. 2014, 13, 1108–1114. DOI: https://doi.org/10.1038/nmat4066.
- Zhou, X.; Zhou, Y.; Nie, J.; Ji, Z.; Xu, J.; Zhang, X.; Du, B. Thermosensitive Ionic Microgels via Surfactant-Free Emulsion Copolymerization and In Situ Quaternization Cross-Linking. ACS Appl Mater Interfaces 2014, 6, 4498–4513. DOI: https://doi.org/10.1021/am500291n.
- Begum, R.; Farooqi, Z. H.; Khan, S. R. Poly(N-Isopropylacrylamide-Acrylic Acid) Copolymer Microgels for Various Applications: A Review. Int. J. Polym. Mater. 2016, 65, 841–852. DOI: https://doi.org/10.1080/00914037.2016.1180607.
- Wu, S.; Dzubiella, J.; Kaiser, J.; Drechsler, M.; Guo, X.; Ballauff, M.; Lu, Y. Thermosensitive Au-PNIPA Yolk-Shell Nanoparticles With Tunable Selectivity for Catalysis. Angew. Chem. Int. Ed. Engl. 2012, 51, 2229–2233. DOI: https://doi.org/10.1002/anie.201106515.
- Rasib, S. Z. M.; Akil, H. M.; Khan, A.; Hamid, Z. A. A. Controlled Release Studies through Chitosan-Based Hydrogel Synthesized at Different Polymerization Stages. Int. J. Biol. Macromol. 2019, 128, 531–536.
- Shah, L. A. Developing Ag-Tercopolymer Microgels for the Catalytic Reduction of p- Nitrophenol and EosinY throughout the Entire pH Range. J. Mol. Liq. 2019, 288, 111045–111051. DOI: https://doi.org/10.1016/j.molliq.2019.111045.
- Khan, A.; Sajjad, M.; Khan, E.; Akil, H. M.; Shah, L. A.; Farooqi, Z. H. Synthesis, Characterization and Physiochemical Investigation of Chitosan-Based Multi-Responsive Copolymeric Hydrogels. J. Polym. Res. 2017, 24, 170–183.
- Khan, M. S.; Khan, G. T.; Khan, A.; Shakoor, A. Synthesis and Characterization of CdS-P(NIPAM-co-MAA) Hybrid Micro Gels. J. Chem. Soc. Pak. 2014, 36, 305–310.
- Javed, R.; Shah, L. A.; Sayed, M.; Khan, M. S. Uptake of Heavy Metal Ions from Aqueous Media by Hydrogels and Their Conversion to Nanoparticles for Generation of a Catalyst System: Two-Fold Application Study. RSC Adv. 2018, 8, 14787–14797. DOI: https://doi.org/10.1039/C8RA00578H.
- Begum, R.; Farooqi, Z. H.; Naseem, K.; Ali, F.; Batool, M.; Xiao, J.; Irfan, A. Applications of UV/Vis Spectroscopy in Characterization and Catalytic Activity of Noble Metal Nanoparticles Fabricated in Responsive Polymer Microgels: A Review. Crit. Rev. Anal. Chem. 2018, 48, 503–516. DOI: https://doi.org/10.1080/10408347.2018.1451299.
- Khan, A. Preparation and Characterization of N-Isopropylacrylamide/Acrylic Acid Copolymer Core-Shell Microgel Particles. J. Colloid Interface Sci. 2007, 313, 697–704. DOI: https://doi.org/10.1016/j.jcis.2007.05.027.
- Contreras-Caceres, R.; Sanchez-Iglesias, A.; Karg, M.; Pastoriza-Santos, I.; Perez-Juste, J.; Pacifico, J.; Hellweg, T.; Fernandez-Barbero, A.; Liz-Marzan, L. M. Encapsulation and Growth of Gold Nanoparticles in Thermoresponsive Microgels. Adv. Mater. 2008, 20, 1666–1670.
- Begum, R.; Farooqi, Z. H.; Butt, Z.; Wu, Q.; Wu, W.; Irfan, A. Engineering of Responsive Polymer Based Nano-Reactors for Facile Mass Transport and Enhanced Catalytic Degradation of 4-Nitrophenol. J. Environ. Sci. 2018, 72, 43–52. DOI: https://doi.org/10.1016/j.jes.2017.12.003.
- Farooqi, Z. H.; Tariq, N.; Begum, R.; Khan, S. R.; Iqbal, Z.; Khan, A. Fabrication of Silver Nanoparticles in Poly (N-Isopropylacrylamide-co-Allylacetic Acid) Microgels for Catalytic Reduction of Nitroarenes. Turk. J. Chem. 2015, 39, 576–588.
- Cao, Z.; Du, B.; Chen, T.; Nie, J.; Xu, J.; Fan, Z. Preparation and Properties of Thermo-Sensitive Organic/Inorganic Hybrid Microgels. Langmuir 2008, 24, 12771–12778. DOI: https://doi.org/10.1021/la802087n.
- Giussi, J. M.; Velasco, M. I.; Longo, G. S.; Acosta, R. H.; Azzaroni, O. Unusual Temperature-Induced Swelling of Ionizable Poly(N-Isopropylacrylamide)-Based Microgels: Experimental and Theoretical Insights into Its Molecular Origin. Soft Matter. 2015, 11, 8879–8886. DOI: https://doi.org/10.1039/c5sm01853f.
- Du, X.; He, J.; Zhu, J.; Sun, L.; An, S. Ag-Deposited Silica-Coated Fe3O4 Magnetic Nanoparticles Catalyzed Reduction of p-Nitrophenol. Appl. Surf. Sci. 2012, 258, 2717–2723. DOI: https://doi.org/10.1016/j.apsusc.2011.10.122.
- Butun, S.; Sahiner, N. A Versatile Hydrogel Template for Metal Nano Particle Preparation and Their Use in Catalysis. Polymer 2011, 52, 4834–4840.
- Zhai, Z.; Wu, Q.; Li, J.; Zhou, B.; Shen, J.; Farooqi, Z. H.; Wu, W. Enhanced Catalysis of Gold Nanoparticles in Microgels upon on Site Altering the Gold–Polymer Interface Interaction. J. Catal. 2019, 369, 462–468. DOI: https://doi.org/10.1016/j.jcat.2018.10.037.
- Gu, S.; Wunder, S.; Lu, Y.; Ballauff, M.; Fenger, R.; Rademann, K.; Jaquet, B.; Zaccone, A. Kinetic Analysis of the Catalytic Reduction of 4-Nitrophenol by Metallic Nanoparticles. J. Phys. Chem. C 2014, 118, 18618–18625.
- Khan, S. R.; Farooqi, Z. H.; Ajmal, M.; Siddiq, M.; Khan, A. Synthesis, Characterization, and Silver Nanoparticles Fabrication in N-Isopropylacrylamide-Based Polymer Microgels for Rapid Degradation of P-Nitrophenol. J. Dispers. Sci. Technol. 2013, 34, 1324–1333. DOI: https://doi.org/10.1080/01932691.2012.744690.