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Patel DK, Jung E, Won SY, Priya S, Han SS. Nanocellulose-assisted mechanically tough hydrogel platforms for sustained drug delivery. Int J Biol Macromol 2024; 271:132374. [PMID: 38754669 DOI: 10.1016/j.ijbiomac.2024.132374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 04/22/2024] [Accepted: 05/12/2024] [Indexed: 05/18/2024]
Abstract
The controlled delivery of the desired bioactive molecules is required to achieve the maximum therapeutic effects with minimum side effects. Biopolymer-based hydrogels are ideal platforms for delivering the desired molecules owing to their superior biocompatibility, biodegradability, and low-immune response. However, the prolonged delivery of the drugs through biopolymer-based hydrogels is restricted due to their weak mechanical stability. We developed mechanically tough and biocompatible hydrogels to address these limitations using carboxymethyl chitosan, sodium alginate, and nanocellulose for sustained drug delivery. The hydrogels were cross-linked through calcium ions to enhance their mechanical strength. Nanocellulose-added hydrogels exhibited improved mechanical strength (Young's modulus; 23.36 → 30.7 kPa, Toughness; 1.39 → 5.65 MJm-3) than pure hydrogels. The composite hydrogels demonstrated increased recovery potential (66.9 → 84.5 %) due to the rapid reformation of damaged polymeric networks. The hydrogels were stable in an aqueous medium and demonstrated reduced swelling potential. The hydrogels have no adverse effects on embryonic murine fibroblast (3 T3), showing their biocompatibility. No bacterial growth was observed in hydrogels-treated groups, indicating their antibacterial characteristics. The sustained drug released was observed from nanocellulose-assisted hydrogel scaffolds compared to the pure polymer hydrogel scaffold. Thus, hydrogels have potential and could be used as a sustained drug carrier.
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Affiliation(s)
- Dinesh K Patel
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea
| | - Eunseo Jung
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea
| | - So-Yeon Won
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea
| | - Sahariya Priya
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea.
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2
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Wang C, Sun J, Long Y, Huang H, Song J, Wang R, Qu Y, Yang Z. A Self-Healing Gel with an Organic-Inorganic Network Structure for Mitigating Circulation Loss. Gels 2024; 10:93. [PMID: 38391423 PMCID: PMC10887993 DOI: 10.3390/gels10020093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 01/22/2024] [Accepted: 01/23/2024] [Indexed: 02/24/2024] Open
Abstract
Lost circulation control remains a challenge in drilling operations. Self-healing gels, capable of self-healing in fractures and forming entire gel block, exhibit excellent resilience and erosion resistance, thus finding extensive studies in lost circulation control. In this study, layered double hydroxide, Acrylic acid, 2-Acrylamido-2-methylpropane sulfonic acid, and CaCl2 were employed to synthesize organic-inorganic nanocomposite gel with self-healing properties. The chemical properties of nanocomposite gels were characterized using X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscope, X-ray photoelectron spectroscopy and thermogravimetric analysis. layered double hydroxide could be dispersed and exfoliated in the mixed solution of Acrylic acid and 2-Acrylamido-2-methylpropane sulfonic acid, and the swelling behavior, self-healing time, rheological properties, and mechanical performance of the nanocomposite gels were influenced by the addition of layered double hydroxide and Ca2+. Optimized nanocomposite gel AC6L3, at 90 °C, exhibits only a self-healing time of 3.5 h in bentonite mud, with a storage modulus of 4176 Pa, tensile strength of 6.02 kPa, and adhesive strength of 1.94 kPa. In comparison to conventional gel, the nanocomposite gel with self-healing capabilities demonstrated superior pressure-bearing capacity. Based on these characteristics, the nanocomposite gel proposed in this work hold promise as a candidate lost circulation material.
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Affiliation(s)
- Cheng Wang
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China
- CNPC Engineering Technology R&D Co., Ltd., Beijing 102206, China
| | - Jinsheng Sun
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China
- CNPC Engineering Technology R&D Co., Ltd., Beijing 102206, China
| | - Yifu Long
- CNPC Engineering Technology R&D Co., Ltd., Beijing 102206, China
| | - Hongjun Huang
- CNPC Engineering Technology R&D Co., Ltd., Beijing 102206, China
| | - Juye Song
- CNPC Great Wall Drilling Engineering Co., Ltd., Beijing 102206, China
| | - Ren Wang
- CNPC Engineering Technology R&D Co., Ltd., Beijing 102206, China
| | - Yuanzhi Qu
- CNPC Engineering Technology R&D Co., Ltd., Beijing 102206, China
| | - Zexing Yang
- CNPC Engineering Technology R&D Co., Ltd., Beijing 102206, China
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3
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Xie Y, Lv X, Li Y, Lv A, Sui X, Tian S, Jiang L, Li R, Sun S. Carbon Nanotubes and Silica@polyaniline Core-Shell Particles Synergistically Enhance the Toughness and Electrical Conductivity in Hydrophobic Associated Hydrogels. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:1299-1308. [PMID: 36630713 DOI: 10.1021/acs.langmuir.2c03128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Soft, conductive, and stretchable sensors are highly desirable in many applications, including artificial skin, biomonitoring patches, and so on. Recently, a combination of good electrical and mechanical properties was regarded as the most important evaluation criterion for judging whether hydrogel sensors are suitable for practical applications. Herein, we demonstrate a novel carboxylated carbon nanotube (MWCNT-COOH)-embedded P(AM/LMA)/SiO2@PANI hydrogel. The hydrogel benefits from a double-network structure (hydrogen bond cross-linking and hydrophobic connectivity network) due to the role of MWCNT-COOH and SiO2@PANI as cross-linkers, thus resulting in tough composite hydrogels. The obtained P(AM/LMA)/SiO2@PANI/MWCNT-COOH hydrogels exhibited high tensile strength (1939 kPa), super stretchability (3948.37%), and excellent strain sensitivity (gauge factor = 11.566 at 100-1100% strain). Obviously, MWCNT-COOH not only improved the electrical conductivity but also enhanced the mechanical properties of the hydrogel. Therefore, the integration of MWCNT-COOH and SiO2@PANI-based hydrogel strain sensors will display broad application in sophisticated intelligence, soft robotics, bionic prosthetics, personal health care, and other fields using inexpensive, green, and easily available biomass.
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Affiliation(s)
- Yuhui Xie
- School of Chemical Engineering, Changchun University of Technology, Changchun130012, China
- Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun130012, China
| | - Xue Lv
- School of Chemical Engineering, Changchun University of Technology, Changchun130012, China
- Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun130012, China
| | - Youqiang Li
- School of Chemical Engineering, Changchun University of Technology, Changchun130012, China
- Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun130012, China
| | - Aowei Lv
- School of Chemical Engineering, Changchun University of Technology, Changchun130012, China
- Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun130012, China
| | - Xinyi Sui
- School of Chemical Engineering, Changchun University of Technology, Changchun130012, China
- Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun130012, China
| | - Song Tian
- School of Chemical Engineering, Changchun University of Technology, Changchun130012, China
- Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun130012, China
| | - Li'an Jiang
- School of Chemical Engineering, Changchun University of Technology, Changchun130012, China
- Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun130012, China
| | - Ruifeng Li
- School of Chemical Engineering, Changchun University of Technology, Changchun130012, China
- Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun130012, China
| | - Shulin Sun
- School of Chemical Engineering, Changchun University of Technology, Changchun130012, China
- Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun130012, China
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Yu J, Feng Y, Sun D, Ren W, Shao C, Sun R. Highly Conductive and Mechanically Robust Cellulose Nanocomposite Hydrogels with Antifreezing and Antidehydration Performances for Flexible Humidity Sensors. ACS APPLIED MATERIALS & INTERFACES 2022; 14:10886-10897. [PMID: 35179371 DOI: 10.1021/acsami.2c00513] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Conductive hydrogels are emerging as an appealing material platform for flexible electronic devices owing to their attractive mechanical flexibility and conductive properties. However, the conventional water-based conductive hydrogels tend to inevitably freeze at subzero temperature and suffer from continuous water evaporation under ambient conditions, leading to a decrease in their electrical conductivities and mechanical properties. Thus, it is extremely necessary, but generally challenging, to create an antifreezing and antidehydration conductive gel for maintaining high and stable performances in terms of electrical conductivity and mechanical properties. Herein, we fabricated a cellulose nanofibril (CNF)-reinforced and highly ion-conductive organogel featuring excellent antifreezing and antidehydration performances by immersing it in the CaCl2/sorbitol solution for solvent displacement. The incorporation of a rigid CNF serving as a dynamic connected bridge provided a hierarchical honeycomb-like cellular structure for the obtained CS-nanocomposite (NC) organogel networks, facilitating significant mechanical reinforcement. The synergy effects of sorbitol and CaCl2 allowed high-performance integration with excellent antifreezing tolerance, antidehydration ability, and ionic conductivity. Strong hydrogen bonds were formed between water molecules and sorbitol molecules to impede the formation of ice crystals and water evaporation, thereby imparting the CS-NC organogels with extreme-temperature tolerance as low as -50 °C and pre-eminent antidehydration performance with over 90% weight retention. Furthermore, this CS-NC organogel exhibited high humidity sensitivity in a wide humidity detection range (23∼97% relative humidity) because of the ready formation of hydrogen bonds between water molecules and numerous hydrophilic groups in the binary solvent and elaborated polymer chains, which can be assembled as a stretchable humidity sensor to monitor human respiration with a fast response. This work provides a new prospect for fabricating intrinsically stretchable and high-performance humidity sensors using cellulose-based humidity-responsive materials for the emerging wearable applications.
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Affiliation(s)
- Jie Yu
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Yufan Feng
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Dan Sun
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China
| | - Wenfeng Ren
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Changyou Shao
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Runcang Sun
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
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Huang G, Tang Z, Peng S, Zhang P, Sun T, Wei W, Zeng L, Guo H, Guo H, Meng G. Modification of Hydrophobic Hydrogels into a Strongly Adhesive and Tough Hydrogel by Electrostatic Interaction. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c01115] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Guang Huang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Zhuofu Tang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Shuaiwei Peng
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Ping Zhang
- Faculty of Science and Technology, University of Macau, E11, Avenida da Universidade, Taipa, Macau 999078, China
| | - Taolin Sun
- South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology, Guangzhou 510640, China
| | - Wentao Wei
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Liangpeng Zeng
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Honglei Guo
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Hui Guo
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Guozhe Meng
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
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6
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Zhang J, Wang Y, Wei Q, Wang Y, Lei M, Li M, Li D, Zhang L, Wu Y. Self-Healing Mechanism and Conductivity of the Hydrogel Flexible Sensors: A Review. Gels 2021; 7:216. [PMID: 34842713 PMCID: PMC8628684 DOI: 10.3390/gels7040216] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/11/2021] [Accepted: 11/12/2021] [Indexed: 12/19/2022] Open
Abstract
Sensors are devices that can capture changes in environmental parameters and convert them into electrical signals to output, which are widely used in all aspects of life. Flexible sensors, sensors made of flexible materials, not only overcome the limitations of the environment on detection devices but also expand the application of sensors in human health and biomedicine. Conductivity and flexibility are the most important parameters for flexible sensors, and hydrogels are currently considered to be an ideal matrix material due to their excellent flexibility and biocompatibility. In particular, compared with flexible sensors based on elastomers with a high modulus, the hydrogel sensor has better stretchability and can be tightly attached to the surface of objects. However, for hydrogel sensors, a poor mechanical lifetime is always an issue. To address this challenge, a self-healing hydrogel has been proposed. Currently, a large number of studies on the self-healing property have been performed, and numerous exciting results have been obtained, but there are few detailed reviews focusing on the self-healing mechanism and conductivity of hydrogel flexible sensors. This paper presents an overview of self-healing hydrogel flexible sensors, focusing on their self-healing mechanism and conductivity. Moreover, the advantages and disadvantages of different types of sensors have been summarized and discussed. Finally, the key issues and challenges for self-healing flexible sensors are also identified and discussed along with recommendations for the future.
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Affiliation(s)
- Juan Zhang
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710072, China; (J.Z.); (Y.W.); (M.L.); (M.L.); (D.L.); (L.Z.); (Y.W.)
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an 710072, China
| | - Yanen Wang
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710072, China; (J.Z.); (Y.W.); (M.L.); (M.L.); (D.L.); (L.Z.); (Y.W.)
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an 710072, China
| | - Qinghua Wei
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710072, China; (J.Z.); (Y.W.); (M.L.); (M.L.); (D.L.); (L.Z.); (Y.W.)
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an 710072, China
| | - Yanmei Wang
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710072, China; (J.Z.); (Y.W.); (M.L.); (M.L.); (D.L.); (L.Z.); (Y.W.)
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an 710072, China
| | - Mingju Lei
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710072, China; (J.Z.); (Y.W.); (M.L.); (M.L.); (D.L.); (L.Z.); (Y.W.)
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an 710072, China
| | - Mingyang Li
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710072, China; (J.Z.); (Y.W.); (M.L.); (M.L.); (D.L.); (L.Z.); (Y.W.)
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an 710072, China
| | - Dinghao Li
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710072, China; (J.Z.); (Y.W.); (M.L.); (M.L.); (D.L.); (L.Z.); (Y.W.)
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an 710072, China
| | - Longyu Zhang
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710072, China; (J.Z.); (Y.W.); (M.L.); (M.L.); (D.L.); (L.Z.); (Y.W.)
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an 710072, China
| | - Yu Wu
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710072, China; (J.Z.); (Y.W.); (M.L.); (M.L.); (D.L.); (L.Z.); (Y.W.)
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an 710072, China
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Wang T, Ren X, Bai Y, Liu L, Wu G. Adhesive and tough hydrogels promoted by quaternary chitosan for strain sensor. Carbohydr Polym 2021; 254:117298. [DOI: 10.1016/j.carbpol.2020.117298] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 10/09/2020] [Accepted: 10/19/2020] [Indexed: 12/11/2022]
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Guo J, Zhang K, Dai R, Nie M, Li Y, Wang Q. Flexible Sensor for Invisible Respiratory Monitoring via Construction of a 2D Stacked Micronetwork. ACS OMEGA 2020; 5:32806-32813. [PMID: 33376919 PMCID: PMC7758983 DOI: 10.1021/acsomega.0c05367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 12/02/2020] [Indexed: 06/12/2023]
Abstract
With the advent of 5G and the Internet of Things era, sensitive and stable sensors have begun to develop rapidly, which are important substantial fundaments of smart medical care. In this study, based on the positive temperature coefficient (PTC) in conductive polymer composites (CPC), a novel polyolefin elastomer (POE)/carbon fiber (CF) composite was prepared. By regulating the rheological behavior of the polymer matrix, we realized its controllable thermal expansion in the temperature field and finally realized the reversible construction-destruction of the conductive CF network. Under optimal molecular weight conditions, the POE/CF PTC sensor showed a high sensitivity of 0.11 °C-1 and stability. It was also demonstrated that the heat transfer efficiency of the composite material played an essential role in the sensitivity of the as-prepared PTC sensor. Most impressively, we have assembled an invisible respiratory monitoring device based on the POE/CF composite to achieve real-time monitoring of human breathing, which displayed wide potential prospects in thermal monitoring and provided good prospects for micron-scale functional composites.
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Janghela S, Devi S, Kambo N, Roy D, Eswara Prasad N. Understanding fluorometric interactions in ion-responsive sustainable polymer nanocomposite scaffolds. SOFT MATTER 2020; 16:8667-8676. [PMID: 32869046 DOI: 10.1039/d0sm00965b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The fluorescent colour in biodegradable and biocompatible flexible polymer nanocomposite gels was modulated in order to gain insight into the interfacial interactions of functional scaffolds with metal ions. The hybrid nanomaterials were introduced into the polymer matrix to obtain mechanically robust porous morphologies where the intrinsic luminescence matrix was found to critically enhance the threshold of the visual detection limits. The quenching of fluorescence intensity has been predominantly attributed to the interactions of functional receptors of luminescent nanofillers with respect to the chromophores of the fluorescent matrix. The chromium ion is selected to understand the change in fluorescence intensity of the nanocomposite gel with the degree of metal ion adsorption. The number of functional nanomaterials loaded into the matrix and the luminescence nature of the base polymer are varied with the purpose of gaining insight into the remote sensing mechanism of the colorimetric fluorescent probe.
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Affiliation(s)
- Shriram Janghela
- Directorate of Nanomaterials & Technologies, DMSRDE, Kanpur-13, India. and Department of Textile Technology, UPTTI, Kanpur-208001, India
| | - Sudeepa Devi
- Directorate of Nanomaterials & Technologies, DMSRDE, Kanpur-13, India.
| | - Neelu Kambo
- Department of Textile Technology, UPTTI, Kanpur-208001, India
| | - Debmalya Roy
- Directorate of Nanomaterials & Technologies, DMSRDE, Kanpur-13, India.
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Liu K, Wei S, Song L, Liu H, Wang T. Conductive Hydrogels-A Novel Material: Recent Advances and Future Perspectives. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:7269-7280. [PMID: 32574052 DOI: 10.1021/acs.jafc.0c00642] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A conductive hydrogel is a kind of polymer material having substantial potential applications with various properties, including high toughness, self-recoverability, electrical conductivity, transparency, freezing resistance, stimuli responsiveness, stretchability, self-healing, and strain sensitivity. Herein, according to the current research status of conductive hydrogels, properties of conductive hydrogels, preparation methods of different conductive hydrogels, and their application in different fields, such as sensor and actuator fabrication, biomedicine, and soft electronics, are introduced. Furthermore, the development direction and application prospects of conductive hydrogels are proposed.
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Affiliation(s)
- Kaiquan Liu
- State Key Laboratory of Biobased Material and Green Papermaking (LBMP), Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, People's Republic of China
- Key Laboratory of Shandong Microbial Engineering, College of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, People's Republic of China
| | - Shan Wei
- State Key Laboratory of Biobased Material and Green Papermaking (LBMP), Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, People's Republic of China
- Key Laboratory of Shandong Microbial Engineering, College of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, People's Republic of China
| | - Longxiang Song
- State Key Laboratory of Biobased Material and Green Papermaking (LBMP), Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, People's Republic of China
- Key Laboratory of Shandong Microbial Engineering, College of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, People's Republic of China
| | - Hongling Liu
- State Key Laboratory of Biobased Material and Green Papermaking (LBMP), Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, People's Republic of China
- Key Laboratory of Shandong Microbial Engineering, College of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, People's Republic of China
| | - Tengfei Wang
- State Key Laboratory of Biobased Material and Green Papermaking (LBMP), Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, People's Republic of China
- Key Laboratory of Shandong Microbial Engineering, College of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, People's Republic of China
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11
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Sedighi A, Taheri RA, Montazer M. High-Performance Electromagnetic Interference Shielding Electrodes/Substrates for Wearable Electronics. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c02141] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Ali Sedighi
- Graphene and Advanced Materials Laboratory (Gamlab), Advanced Materials and Processes Institute, Amirkabir University of Technology, Tehran 1591634311, Iran
| | - Ramezan Ali Taheri
- Nanobiotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran 1815944153, Iran
| | - Majid Montazer
- Textile Department, Amirkabir Nanotechnology Research Institute (ANTRI), Amirkabir University of Technology, Tehran 1591634311, Iran
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12
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Shao L, Li Y, Ma Z, Bai Y, Wang J, Zeng P, Gong P, Shi F, Ji Z, Qiao Y, Xu R, Xu J, Zhang G, Wang C, Ma J. Highly Sensitive Strain Sensor Based on a Stretchable and Conductive Poly(vinyl alcohol)/Phytic Acid/NH 2-POSS Hydrogel with a 3D Microporous Structure. ACS APPLIED MATERIALS & INTERFACES 2020; 12:26496-26508. [PMID: 32406670 DOI: 10.1021/acsami.0c07717] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Conductive hydrogel-based wearable strain sensors with tough, stretchable, self-recoverable, and highly sensitive properties are highly demanded for applications in electronic skin and human-machine interface. However, currently, hydrogel-based strain sensors put forward higher requirements on their biocompatibility, mechanical strength, and sensitivity. Herein, we report a poly(vinyl alcohol)/phytic acid/amino-polyhedral oligomeric silsesquioxane (PVA/PA/NH2-POSS) conductive composite hydrogel prepared via a facile freeze-thaw cycle method. Within this hydrogel, PA acts as a cross-linking agent and ionizes hydrogen ions to endow the material with ionic conductivity, while NH2-POSS acts as a second cross-linking agent by increasing the cross-linking density of the three-dimensional network structure. The effect of the content of NH2-POSS is investigated, and the composite hydrogel with 2 wt % NH2-POSS displays a uniform and dense three-dimensional (3D) network microporous structure, high conductivity of 2.41 S/m, and tensile strength and elongation at break of 361 kPa and 363%, respectively. This hydrogel is biocompatible and has demonstrated the application as a strain sensor monitoring different human movements. The assembled sensor is stretchable, self-recoverable, and highly sensitive with fast response time (220 ms) and excellent sensitivity (GF = 3.44).
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Affiliation(s)
- Liang Shao
- College of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Ying Li
- College of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Zhonglei Ma
- College of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Yang Bai
- College of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Jie Wang
- College of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Peiyun Zeng
- College of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Pin Gong
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Fuxiong Shi
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Zhanyou Ji
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Yang Qiao
- College of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Ran Xu
- College of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Juanjuan Xu
- College of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Guohong Zhang
- Department of Machine Intelligence and Systems Engineering, Faculty of Systems Science and Technology, Akita Prefectural University, Yurihonjo City 0150055, Japan
| | - Caiyun Wang
- Intelligent Polymer Research Institute, ARC Centre of Excellence for Electromaterials Science, AIIM Facility, University of Wollongong, Innovation Campus, Keiraville, NSW 2500, Australia
| | - Jianzhong Ma
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
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Self-Healable and Remoldable Transparent Polyurethane Film with High Dielectric Constant from the Synergistic Effect between Lithium Salt and Ionic Liquid. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.9b06977] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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