A review on synthesis and applications of polyaniline and polypyrrole hydrogels

Riaz, Ufana; Singh, Naveen G; Srambikal, Fathimath Rashnas; Fatima, Sadaf

doi:10.1007/s00289-022-04120-6

Cited by 24 publications

(18 citation statements)

References 115 publications

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“…The electrochemical properties of PANI hydrogels were mentioned in roughly 33% of the articles and almost 18% of the research has been published in journals of chemical engineering. 29 1.4.1 Biomedical applications. The incorporation of PANI into the hydrogel matrix allows reduction of mismatch at the interface with biological cells and tissues, and the movement of nutrients, medicines, and metabolites.…”

Section: Applications Of Pani Based Hydrogelsmentioning

confidence: 99%

“…22 CPHs have also been utilized in designing energy storage devices, 23 microbial fuel cells, 24 and molecular/bioelectronics devices. 25 Among the several conducting polymers, polypyrrole (PPy), 26 polythiophene (PTh), 27 polyethylenedioxy thiophene (PEDOT), 28 polyaniline (PANI) 29 has been extensively investigated due to its ease of processibility, the ability to exist in various redox forms. Lately, PANI has been widely explored for its potential application as a supercapacitor and also in designing microbial fuel cells.…”

Section: Introductionmentioning

confidence: 99%

“…Approximately 503 publications are available on PANI hydrogels in the year 2021 with a total of 5386 citations. 29 Among the disciplines, almost 185 articles are published under Materials Chemistry discipline, while 135 articles are published under Physical Chemistry category and around 76 articles are available under the nanoscience/nanotechnology category, Fig. 1 .…”

Section: Introductionmentioning

confidence: 99%

“…The electrochemical properties of PANI hydrogels were mentioned in roughly 33% of the articles and almost 18% of the research has been published in journals of chemical engineering. 29 …”

Section: Introductionmentioning

confidence: 99%

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A short review on the synthesis and advance applications of polyaniline hydrogels

2022

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Section: Applications Of Pani Based Hydrogelsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…The electrochemical properties of PANI hydrogels were mentioned in roughly 33% of the articles and almost 18% of the research has been published in journals of chemical engineering. 29 …”

Section: Introductionmentioning

confidence: 99%

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A short review on the synthesis and advance applications of polyaniline hydrogels

2022

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“…e biocompatibility, biodegradability, and antiproliferative power of the polyaniline against pathogenic bacteria, as well as its conjugation capacity with biologically active molecules, have led to its use in enzymatic biosensors for triglyceride detection, support for enzyme immobilization, controlled drug release systems, tissue engineering, arti cial muscles, and nerve growth and regeneration [3][4][5]. e reversible volumetric changes that polyaniline undergoes under controlled electrical pulses, on the other hand, have been used in the fabrication of actuators, as well as other biomedical applications [3][4][5][6]. A gel is a three-dimensional network of exible chains made up of segments that are connected in a speci c pattern and swollen by a liquid.…”

Section: Introductionmentioning

confidence: 99%

Bioactivation of Polyaniline for Biomedical Applications and Metal Oxide Composites

Omran¹

2022

Journal of Chemistry

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In this work, the oxidative chemical synthesis of polyaniline (PANI) in the presence of glutamic acid (GA) is presented, using ammonium persulfate (APS) as the oxidizing agent. Syntheses were performed by varying the molar ratio of aniline:amino acid:oxidant. The products of the different reactions were characterized by SEM, TEM, and FTIR techniques. It was observed that the molar ratio of aniline:amino acid:oxidant used in the synthesis determines the composition and conformation of the resulting polymer and its morphological and electrochemical properties. Composite hydrogels were prepared by incorporating the drug-loaded PANI nanofibers in situ through polymerization and cross-linking of acrylamide. TEM images of the cross-section of the hydrogel revealed the formation of a three-dimensional system of the polyaniline nanofibers maintained by the insulating matrix of the polyacrylamide hydrogel. The in vitro release of the drug from the hydrogels composed of polyacrylamide/polyaniline against buffer solutions at different pH and temperature was studied, using orbital agitation. Finally, considering the potential of hydrogels composed of polyacrylamide/polyaniline for the controlled release of drugs, a study was conducted to evaluate their cytotoxicity against normal mouse subcutaneous tissue cells.

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Emerging Sustainable Structural Materials by Assembling Cellulose Nanofibers

Yang,

Yue,

Liu

et al. 2024

Advanced Materials

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Under the guidance of the carbon peaking and carbon neutrality goals, the urgency for green ecological construction and the depletion of nonrenewable resources highlight the importance of the research and development of sustainable new materials. Cellulose nanofiber (CNF) is the most abundant natural nanoscale building block widely existing on Earth. CNF has unique intrinsic physical properties, such as low density, low coefficient of thermal expansion, high strength, and high modulus, which is an ideal candidate with outstanding potential for constructing sustainable materials. In recent years, CNF‐based structural material has emerged as a sustainable lightweight material with properties very different from traditional structural materials. Here, to comprehensively introduce the assembly of structural materials based on CNF, it starts with an overview of different forms of CNF‐based materials, including fibers, films, hydrogels, aerogels, and structural materials. Next, the challenges that need to be overcome in preparing CNF‐based structural materials are discussed, their assembly methods are introduced, and an in‐depth analysis of the advantages of the CNF‐based hydrogel assembly strategy to fabricate structural materials is conducted. Finally, the unique properties of emerging CNF‐based structural materials are summarized and concluded with an outlook on their design and functionalization, potentially paving the way toward new opportunities.

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A review on synthesis and applications of polyaniline and polypyrrole hydrogels

Cited by 24 publications

References 115 publications

A short review on the synthesis and advance applications of polyaniline hydrogels

A short review on the synthesis and advance applications of polyaniline hydrogels

Bioactivation of Polyaniline for Biomedical Applications and Metal Oxide Composites

Emerging Sustainable Structural Materials by Assembling Cellulose Nanofibers

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