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Lam KY, Lee CS, Pichika MR, Cheng SF, Hang Tan RY. Light-responsive polyurethanes: classification of light-responsive moieties, light-responsive reactions, and their applications. RSC Adv 2022; 12:15261-15283. [PMID: 35693222 PMCID: PMC9118056 DOI: 10.1039/d2ra01506d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 05/01/2022] [Indexed: 11/24/2022] Open
Abstract
Stimuli responsiveness has been an attractive feature of smart material design, wherein the chemical and physical properties of the material can be varied in response to small environmental change. Polyurethane (PU), a widely used synthetic polymer can be upgraded into a light-responsive smart polymer by introducing a light-sensitive moiety into the polymer matrix. For instance, azobenzene, spiropyran, and coumarin result in reversible light-induced reactions, while o-nitrobenzyl can result in irreversible light-induced reactions. These variations of light-stimulus properties endow PU with wide ranges of physical, mechanical, and chemical changes upon exposure to different wavelengths of light. PU responsiveness has rarely been reviewed even though it is known to be one of the most versatile polymers with diverse ranges of applications in household, automotive, electronic, construction, medical, and biomedical industries. This review focuses on the classes of light-responsive moieties used in PU systems, their synthesis, and the response mechanism of light-responsive PU-based materials, which also include dual- or multi-responsive light-responsive PU systems. The advantages and limitations of light-responsive PU are reviewed and challenges in the development of light-responsive PU are discussed.
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Affiliation(s)
- Ki Yan Lam
- School of Postgraduate, International Medical University No. 126, Jalan Jalil Perkasa 19, Bukit Jalil 57000 Kuala Lumpur Malaysia
| | - Choy Sin Lee
- Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University No. 126, Jalan Jalil Perkasa 19, Bukit Jalil 57000 Kuala Lumpur Malaysia
| | - Mallikarjuna Rao Pichika
- Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University No. 126, Jalan Jalil Perkasa 19, Bukit Jalil 57000 Kuala Lumpur Malaysia
- Centre for Bioactive Molecules and Drug Delivery, Institute for Research, Development and Innovation No. 126, Jalan Jalil Perkasa 19, Bukit Jalil 57000 Kuala Lumpur Malaysia
| | - Sit Foon Cheng
- Unit of Research on Lipids (URL), Department of Chemistry, Faculty of Science, University of Malaya Kuala Lumpur 50603 Malaysia
| | - Rachel Yie Hang Tan
- School of Postgraduate, International Medical University No. 126, Jalan Jalil Perkasa 19, Bukit Jalil 57000 Kuala Lumpur Malaysia
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Najeeb J, Farwa U, Ishaque F, Munir H, Rahdar A, Nazar MF, Zafar MN. Surfactant stabilized gold nanomaterials for environmental sensing applications - A review. ENVIRONMENTAL RESEARCH 2022; 208:112644. [PMID: 34979127 DOI: 10.1016/j.envres.2021.112644] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 12/11/2021] [Accepted: 12/27/2021] [Indexed: 06/14/2023]
Abstract
Surfactant stabilized Gold (Au) nanomaterials (NMs) have been documented extensively in recent years for numerous sensing applications in the academic literature. Despite the crucial role these surfactants play in the sensing applications, the comprehensive reviews that highlights the fundamentals associated with these assemblies and impact of these surfactants on the properties and sensing mechanisms are still quite scare. This review is an attempt in organizing the vast literature associated with this domain by providing critical insights into the fundamentals, preparation methodologies and sensing mechanisms of these surfactant stabilized Au NMs. For the simplification, the surfactants are divided into the typical and advanced surfactants and the Au NMs are classified into Au nanoparticles (NPs) and Au nanoclusters (NCs) depending upon the complexity in structure and size of the NMs respectively. The preparative methodologies are also elaborated for enhancing the understanding of the readers regarding such assemblies. The case studies regarding surfactant stabilized Au NMs were further divided into colorimetric sensors, surface plasmonic resonance (SPR) based sensors, luminescence-based sensors, and electrochemical/electrical sensors depending upon the property utilized by the sensor for the sensing of an analyte. Future perspectives are also discussed in detail for the researchers looking for further progress in that particular research domain.
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Affiliation(s)
- Jawayria Najeeb
- Department of Chemistry, University of Gujrat, Gujrat, 50700, Pakistan
| | - Umme Farwa
- Department of Chemistry, University of Gujrat, Gujrat, 50700, Pakistan
| | - Fatima Ishaque
- Department of Chemistry, University of Gujrat, Gujrat, 50700, Pakistan
| | - Hira Munir
- Department of Biochemistry and Biotechnology, University of Gujrat, Gujrat, 50700, Pakistan
| | - Abbas Rahdar
- Department of Physics, University of Zabol, Zabol, 98615-538, Iran
| | - Muhammad Faizan Nazar
- Department of Chemistry, Division of Science and Technology, University of Education Lahore, Multan Campus, 60700, Pakistan.
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Liu YX, Zhong H, Li XR, Bao ZL, Cheng ZP, Zhang YJ, Li CX. Fabrication of attapulgite-based dual responsive composite hydrogel and its efficient adsorption for methyl violet. ENVIRONMENTAL TECHNOLOGY 2022; 43:1480-1492. [PMID: 33070707 DOI: 10.1080/09593330.2020.1838623] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Accepted: 10/11/2020] [Indexed: 06/11/2023]
Abstract
In this work, attapulgite (ATP)-based dual sensitive poly (N-isopropylacrylamide-co-acrylic acid) composite hydrogel, P(NIPAM-co-AA)/ATP, was prepared by free radical polymerization. The prepared composite hydrogel was characterized via methods of scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), zeta potential analysis and Brunauer, Emmett, and Teller (BET) etc. The composite hydrogel showed pH and temperature sensitive behaviour, with lower critical solution temperature (LCST) of 35°C and highest swelling occurred at pH 8.0. The adsorption of methyl violet (MV) can be controlled by the hydrogel responsiveness, and 95.78% of MV can be removed at pH 8.0 and 35°C. The addition of a small amount of ATP (3 Wt%) can improve the swelling ratio and adsorption capacity. Kinetic analysis demonstrated that the experimental data were best fitted to the pseudo-second order model. Isotherm analysis showed that the equilibrium data followed Langmuir model with the adsorption capacity of 168.35 mg g-1. In addition, the composite hydrogel has high adsorption selectivity for cationic dyes, and MV-loaded hydrogel is easy to regenerate, which can be used for successive adsorption cycles. These results demonstrate that the composite hydrogel has potential application in dye wastewater treatment.
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Affiliation(s)
- Yi-Xin Liu
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, People's Republic of China
- Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, School of Chemistry & Chemical Engineering, Huaiyin Normal University, Huaian, People's Republic of China
| | - Hui Zhong
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, People's Republic of China
- Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, School of Chemistry & Chemical Engineering, Huaiyin Normal University, Huaian, People's Republic of China
| | - Xiao-Rong Li
- Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, School of Chemistry & Chemical Engineering, Huaiyin Normal University, Huaian, People's Republic of China
| | - Zhuan-Li Bao
- Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, School of Chemistry & Chemical Engineering, Huaiyin Normal University, Huaian, People's Republic of China
| | - Zhi-Peng Cheng
- Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, School of Chemistry & Chemical Engineering, Huaiyin Normal University, Huaian, People's Republic of China
| | - Yu-Jie Zhang
- Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, School of Chemistry & Chemical Engineering, Huaiyin Normal University, Huaian, People's Republic of China
| | - Chun-Xiang Li
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, People's Republic of China
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Senechal V, Rodriguez-Hernandez J, Drummond C. Electroresponsive Weak Polyelectrolyte Brushes. Macromolecules 2022. [DOI: 10.1021/acs.macromol.1c02377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | | | - Carlos Drummond
- CNRS, CRPP, UMR 5031, Univ. Bordeaux, F-33600 Pessac, France
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Sim XM, Chen C, Goto A. Polymer Coupling via Hetero-Disulfide Exchange and Its Applications to Rewritable Polymer Brushes. ACS APPLIED MATERIALS & INTERFACES 2021; 13:24183-24193. [PMID: 33982564 DOI: 10.1021/acsami.1c07195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
An iodide-terminated polymer (Polymer-I) is converted to a thiol-terminated polymer (Polymer-SH) using HSCH2CH2SH in a remarkably short time (10 min). Polymer-SH is further converted to a pyridyl disulfide-terminated polymer (Polymer-SS-Py). The hetero-coupling of Polymer-SH and Polymer-SS-Py is successfully achieved to quantitatively generate a polymer disulfide (Polymer-SS-Polymer). Exploiting this efficient hetero-coupling technique, Polymer-SH is attached (grafted) on a Py-SS-immobilized surface to generate a polymer brush via a disulfide (-SS-) linkage (writing process). The -SS- linkage is cleaved by the treatment with dithiothreitol (DTT) to detach the polymer from the surface (erasing process). Subsequently, another Polymer-SH is attached on the surface to generate another polymer brush (rewriting process). Thus, a writable, erasable, and rewritable polymer brush surface is achieved. Hydrophilic, hydrophobic, and super-hydrophobic polymers (Polymer-SH) are attached on the surface, tailoring the surface wettability in the writing-erasing-rewriting cycles. Polymer-SH is also attached on a chain-end Py-SS-functionalized polymer brush surface, generating a rewritable block copolymer brush surface. A patterned block copolymer brush surface is also obtained using photo-irradiation and a photo-mask in the erasing process. The metal-free synthetic procedure, accessibility to patterned brushes, and switchable surface properties via the writing-erasing-rewriting process are attractive features of the present approach.
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Affiliation(s)
- Xuan Ming Sim
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
| | - Chen Chen
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
| | - Atsushi Goto
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
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Shen T, Zhong L, Liu X, Zhang J, Zhang D, He K, Yuan C, Xu Y, Dai L. Decorating Au nanoparticles onto optimized P(
t
BA‐
co
‐DMAEMA) carriers for ameliorative catalytic capability. J Appl Polym Sci 2020. [DOI: 10.1002/app.48920] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Tong Shen
- Fujian Provincial Key Laboratory of Fire Retardant MaterialsCollege of Materials, Xiamen University Xiamen 361005 People's Republic of China
| | - Lina Zhong
- Research and Development DepartmentKZJ New Materials Group Co., Ltd. Xiamen 361101 People's Republic of China
| | - Xiaohui Liu
- Fujian Provincial Key Laboratory of Fire Retardant MaterialsCollege of Materials, Xiamen University Xiamen 361005 People's Republic of China
| | - Jiatian Zhang
- Fujian Provincial Key Laboratory of Fire Retardant MaterialsCollege of Materials, Xiamen University Xiamen 361005 People's Republic of China
| | - Dandan Zhang
- Fujian Provincial Key Laboratory of Fire Retardant MaterialsCollege of Materials, Xiamen University Xiamen 361005 People's Republic of China
| | - Kaibin He
- Fujian Provincial Key Laboratory of Fire Retardant MaterialsCollege of Materials, Xiamen University Xiamen 361005 People's Republic of China
| | - Conghui Yuan
- Fujian Provincial Key Laboratory of Fire Retardant MaterialsCollege of Materials, Xiamen University Xiamen 361005 People's Republic of China
| | - Yiting Xu
- Fujian Provincial Key Laboratory of Fire Retardant MaterialsCollege of Materials, Xiamen University Xiamen 361005 People's Republic of China
| | - Lizong Dai
- Fujian Provincial Key Laboratory of Fire Retardant MaterialsCollege of Materials, Xiamen University Xiamen 361005 People's Republic of China
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