Neoteric deep eutectic solvents: history, recent developments, and catalytic applications

Shaibuna, M.; Theresa, Letcy V.

doi:10.1039/d1sm01797g

Cited by 46 publications

(52 citation statements)

References 208 publications

(361 reference statements)

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“…Eutectic mixtures and deep eutectic solvents (DESs) have recently emerged as low-cost electrolytes for a myriad of technological applications. , Sharing many features of costly ionic liquids (ILs), such as low vapor pressure, high ionic conductivity, and good thermal stability, eutectic mixtures offer fresh opportunities for designing adaptive materials . The immobilization of eutectic solvents into polymer supports renders soft ionic materials called eutectogels that are being actively developed for healthcare monitoring, bioelectrodes, wearable sensors, and other biomedical applications. , In this vein, eutectogels from synthetic polymers, such as poly(vinyl alcohol), , poly(acrylic acid), − poly(acrylamide), , poly(1-vinylimidazole), and waterborne polyurethane, , have found multiple applications recently.…”

Section: Introductionmentioning

confidence: 99%

Natural, Biocompatible, and 3D-Printable Gelatin Eutectogels Reinforced with Tannic Acid-Coated Cellulose Nanocrystals for Sensitive Strain Sensors

Mercadal

Romero

Montesinos

et al. 2023

ACS Appl. Electron. Mater.

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Ionic gels from eutectic mixtures are attracting extensive interest in bioelectronics owing to their nonvolatile nature, low cost, and inherently high ionic conductivity. Biodegradable electronics made of biopolymers envisage a promising future in this field, but unfortunately, they often feature poor mechanics. Herein, we explored tannic acid-decorated cellulose nanocrystals (TA@CNC) as dynamic nanofillers of biocompatible eutectogels based on gelatin and a eutectic mixture composed of choline chloride and ethylene glycol (ethaline). Small concentrations of TA@CNC (up to 1–2 wt %) allow increasing by two-fold the strength (30 kPa) and stretchability (180%) of the eutectogels while improving their ionic conductivity (105 mS·m–1). The reversible physical network of the protein and multiple hydrogen bonding interactions with tannic acid endow these eutectogels with good self-adhesiveness, suitable gel-to-sol transition for 3D printing, and recyclability. We further used the cellulose nanocomposite eutectogels as skin-conformal electrodes for monitoring different motions of the human body with excellent sensitivity in the open air thanks to the low volatility of ethaline. All in all, these results demonstrate a facile strategy to boost the properties of biopolymer eutectogels using inexpensive and renewable raw materials as rigid nanoreinforcers.

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Section: Introductionmentioning

confidence: 99%

Natural, Biocompatible, and 3D-Printable Gelatin Eutectogels Reinforced with Tannic Acid-Coated Cellulose Nanocrystals for Sensitive Strain Sensors

Mercadal

Romero

Montesinos

et al. 2023

ACS Appl. Electron. Mater.

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“…They possess low-melting eutectic mixtures with physicochemical properties similar to ionic liquids (ILs), such as low volatility, wide liquid range, and high tunability. [1][2][3] In contrast to the ILs that suffer from high cost, inferior biocompatibility, and complicated fabrication processes, DESs have superior properties of low cost, good biocompatibility, and easy synthesis. [4][5][6] Recently, eutectogels synthesized by embedding DESs into solid frameworks, such as polymer matrices, have been gaining more and more attention.…”

Section: Introductionmentioning

confidence: 99%

Encapsulating eutectogels for stretchable humidity-resistant strain sensors

Wan

et al. 2023

Soft Matter

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“…Therefore, DESs have gradually gained attention as a new type of green solvent [25,26]. DESs are generally comprised of two or more components consisting of hydrogen bond acceptors (HBAs), such as quaternary ammonium salts, with hydrogen bond donors (HBDs), such as amides, carboxylic acids, or polyols [27,28]. These solvents are characterized by having a lower melting point compared to their individual components due to the charge delocalization that is contributed to the formation of hydrogen bonding [29,30].…”

Section: Introductionmentioning

confidence: 99%

Advances of responsive deep eutectic solvents and application in extraction and separation of bioactive compounds

Zhang

Gul

et al. 2023

J of Separation Science

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In recent years, it has been found that changing ambient conditions (CO2/N2, temperature, pH) can trigger a switchable phase transition of deep eutectic solvents, and such solvents are known as responsive deep eutectic solvents. In this work, we present the development history, properties, and preparation of responsive deep eutectic solvents, followed by the application of responsive deep eutectic solvents in the extraction and separation of bioactive compounds are presented. Importantly, the mechanism of responsive deep eutectic solvents in the extraction of bioactive compounds is discussed. Finally, the challenges and prospects of responsive deep eutectic solvents in the extraction and separation of bioactive compounds are proposed. Responsive deep eutectic solvents are considered green and efficient solvents. Some methods for extraction and separation of bioactive compounds by responsive deep eutectic solvents can increase the possibility of recycling the deep eutectic solvents, and provide higher efficiency in the extraction and separation field. It is hoped that this will provide a reference for the green and sustainable extraction and separation of various bioactive compounds.

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Neoteric deep eutectic solvents: history, recent developments, and catalytic applications

Abstract: Deep eutectic solvents (DESs) are the modified versions of ionic liquids (ILs) and are formed by the fusion of polar components (liquids or solids) via hydrogen bonding interactions. DESs are...

Cited by 46 publications

References 208 publications

Natural, Biocompatible, and 3D-Printable Gelatin Eutectogels Reinforced with Tannic Acid-Coated Cellulose Nanocrystals for Sensitive Strain Sensors

Natural, Biocompatible, and 3D-Printable Gelatin Eutectogels Reinforced with Tannic Acid-Coated Cellulose Nanocrystals for Sensitive Strain Sensors

Encapsulating eutectogels for stretchable humidity-resistant strain sensors

Advances of responsive deep eutectic solvents and application in extraction and separation of bioactive compounds

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