Uncovering the Green Frontier: Harnessing Deep Eutectic Solvents for Sustainable Bioanalysis

Shah, Priyanka A.; Shrivastav, Pranav S.; Sharma, Anuj S.; Chavda, Vishwajit

doi:10.4155/bio-2023-0088

Cited by 6 publications

(3 citation statements)

References 26 publications

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“…The above DES components are readily available, cost-effective, and environmentally friendly . In recent times, DESs have found applications in nanomaterial synthesis, processing, and functionalization. ,, ChCl-based DES are used to modify adsorbents to extract dyes, metal ions, and pesticides from solid/liquid matrices. − The adaptability of DES combinations, coupled with customizable composition and functionality, enables efficient exfoliation of 2D nanosheets and functionalization of both carbon–metallic nanomaterials . Despite recent studies showcasing surface-functionalized presynthesized graphene–iron nanohybrids using DESs for analytical purposes, there is a notable absence of studies exploring the potential of DESs as coupling agents for linking GO and TiO 2 .…”

Section: Introductionmentioning

confidence: 99%

“…27 In recent times, DESs have found applications in nanomaterial synthesis, processing, and functionalization. 4,28,29 ChCl-based DES are used to modify adsorbents to extract dyes, metal ions, and pesticides from solid/liquid matrices. 30−33 The adaptability of DES combinations, coupled with customizable composition and functionality, enables efficient exfoliation of 2D nanosheets and functionalization of both carbon−metallic nanomaterials.…”

Section: Introductionmentioning

confidence: 99%

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Deep Eutectic Solvent/Surfactant-Engineered GO@TiO₂ Advanced Material for Sustained and Ultrafast Adsorption of Hazardous Dye from Contaminated Aqueous Environment

Chavda,

Hirpara,

Rao

et al. 2024

ACS Appl. Eng. Mater.

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Hybrid carbon-based materials are in demand to achieve the desired activities in various fields. However, such materials lack aqueous dispersibility or mechanical strength, which can be addressed by certain modifiers such as surfactants, polymers, metal oxides, and deep eutectic solvents (DESs), among others. Dodecyl trimethylammonium bromide (DTAB) and a typical DES (reline; choline chloride/urea, 1:2) have been employed in conjunction with graphene oxide−titanium oxide nanocomposites (GO@TiO 2 NCs) to get advanced adsorbents (which are characterized by various physicochemical techniques). A model hazardous dye, methylene blue (MB), was used to study the adsorption potential of the above-developed material. The process was optimized in terms of the adsorbent dose, initial MB concentration, pH, and contact time. Various kinetic and adsorption isotherm models were used to analyze the data. Pseudosecond-order kinetics (R 2 = 0.999) has been followed by the Langmuir adsorption isotherm (R 2 = 0.998). Kinetics revealed that 100% MB adsorption was achieved with DES-based NC (DES-GO@TiO 2 ), which is better than that with both DTAB-based (DT-GO@TiO 2 ) and pure pristine material (GO@TiO 2 ). It is proposed that DES (reline) couples TiO 2 on the GO surface with an alternative route to drive MB from an aqueous background. Adsorption data were compared with other similar reported adsorbents, and it was found that the developed DES-based advanced material shows ultrafast MB adsorption (the rate of adsorption has been found to be 222 μg MB per gram of DES-GO@TiO 2 in 1 s). The sustainability and economy of the adsorbent were revealed by repeating numerous adsorption cycles (up to seven times) without losing the adsorption efficiency. The study can be applied in various chemical industries where color or coloring material is involved in the effluent. Further, other similar greener DESs should be used in order to develop sustainable structure−performance relationship for a safer environment.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Deep Eutectic Solvent/Surfactant-Engineered GO@TiO₂ Advanced Material for Sustained and Ultrafast Adsorption of Hazardous Dye from Contaminated Aqueous Environment

Chavda,

Hirpara,

Rao

et al. 2024

ACS Appl. Eng. Mater.

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“…Among several new solvents, deep eutectic solvents (DESs) have attracted the researchers interest in different fields due to their outstanding features including negligible environment and human toxicity, and have been also considered as “green solvents“ [ 32 ]. DESs are prepared as a result of combining two or more substances especially combinations of a hydrogen bond donors (HBDs) and acceptors (HBAs) with low melting points [ 33 ]. Besides, it has been discovered that DESs are useful tools for extracting various components [ 34 ] such as drugs, carbohydrates, proteins, and lipids [ 32 ].…”

Section: Introductionmentioning

confidence: 99%

Determination of indoxyl sulfate by spectrofluorimetric method in human plasma through extraction with deep eutectic solvent

Shafiee,

Dastmalchi,

Gharekhani

et al. 2024

BMC Chemistry

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A rapid and efficient analytical method was established to quantify indoxyl sulfate (IS) in plasma through extraction technique with a deep eutectic solvent (DES) and spectrofluorimetric method. DES (choline chloride: urea) was mixed with plasma samples for the extraction of IS, followed by the addition of dipotassium hydrogen phosphate (K2HPO4) solution to form an aqueous two-phase system. The fluorescence intensity of IS which was first extracted to the DES-rich-phase and then back-extracted into the salt-rich-phase, was measured by spectrofluorimetric method. Some key factors such as pH, centrifugation speed and time, the volume ratio of DES/salt, and salt concentration were optimized. Under the optimized conditions, the suggested method had a dynamic range between 20 and 160 µg/mL with a coefficient of determination (R2) of 0.99. Precision (relative standard deviation) was less than 15% and accuracy (% relative recovery) was ± 15% at the nominal concentration level. In addition, results showed that IS levels in real samples were higher than 40 µg/mL which was compatible with reported IS levels in end-stage renal disease (ESRD) patients. Overall, all the results reflect the fact that the presented analytical method can potentially be used for the determination of IS in real plasma samples.

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Deep eutectic solvent engineered GO/ZrO₂ nanofiller for mixed matrix membranes: An efficient hydrogen gas separation

Chavda,

Patel,

Patel

et al. 2024

J of Applied Polymer Sci

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This study explores fabrication and characterization of mixed matrix membranes (MMMs) for gas separation, employing a cost‐effective solution casting method. Polycarbonate (PC) and polystyrene (PS) blends are combined with graphene oxide (GO) and zirconium dioxide (ZrO2) nanofillers, with and without a deep eutectic solvent (DES) obtained through hydrogen bond exchange. Various MMMs compositions (2–20 wt%) are systematically examined using diverse characterization techniques, including differential scanning calorimetry, thermogravimetric analysis, Fourier transform infrared spectroscopy, scanning electron microscopy, porosity determination, and water contact angle analysis. The MMMs exhibit enhanced gas permeability and selectivity, surpassing conventional membrane materials. Notably, H2 gas permeability reaches outstanding levels, with the composition PC/PS‐DES‐GO/ZrO2 at 20 wt% (PBC20‐IV) demonstrating the highest value of 86.32 Barrer. This superior performance is attributed to the unique properties of ZrO2, increased sorption capacity of GO, and enhanced thermal stability due to DES. Permeability data for CO2, N2, O2, and CH4 also show significant values, aligning with the observed trends in H2 permeability. Robeson's plot for the H2/CO2 gas pair surpasses the 2008 upper bound, placing the MMMs in a novel category for gas separation membranes. The incorporation of DES‐modified nanofiller blend composites presents a promising strategy for the potential production of pure hydrogen.

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Uncovering the Green Frontier: Harnessing Deep Eutectic Solvents for Sustainable Bioanalysis

Cited by 6 publications

References 26 publications

Deep Eutectic Solvent/Surfactant-Engineered GO@TiO₂ Advanced Material for Sustained and Ultrafast Adsorption of Hazardous Dye from Contaminated Aqueous Environment

Deep Eutectic Solvent/Surfactant-Engineered GO@TiO₂ Advanced Material for Sustained and Ultrafast Adsorption of Hazardous Dye from Contaminated Aqueous Environment

Determination of indoxyl sulfate by spectrofluorimetric method in human plasma through extraction with deep eutectic solvent

Deep eutectic solvent engineered GO/ZrO₂ nanofiller for mixed matrix membranes: An efficient hydrogen gas separation

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Uncovering the Green Frontier: Harnessing Deep Eutectic Solvents for Sustainable Bioanalysis

Cited by 6 publications

References 26 publications

Deep Eutectic Solvent/Surfactant-Engineered GO@TiO2 Advanced Material for Sustained and Ultrafast Adsorption of Hazardous Dye from Contaminated Aqueous Environment

Deep Eutectic Solvent/Surfactant-Engineered GO@TiO2 Advanced Material for Sustained and Ultrafast Adsorption of Hazardous Dye from Contaminated Aqueous Environment

Determination of indoxyl sulfate by spectrofluorimetric method in human plasma through extraction with deep eutectic solvent

Deep eutectic solvent engineered GO/ZrO2 nanofiller for mixed matrix membranes: An efficient hydrogen gas separation

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Resources

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Deep Eutectic Solvent/Surfactant-Engineered GO@TiO₂ Advanced Material for Sustained and Ultrafast Adsorption of Hazardous Dye from Contaminated Aqueous Environment

Deep Eutectic Solvent/Surfactant-Engineered GO@TiO₂ Advanced Material for Sustained and Ultrafast Adsorption of Hazardous Dye from Contaminated Aqueous Environment

Deep eutectic solvent engineered GO/ZrO₂ nanofiller for mixed matrix membranes: An efficient hydrogen gas separation