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22 results for “deep eutectic solvent”
Data for Stabilization of non-native folds and programmable protein gelation in compositionally designed deep eutectic solvents
<div> <p>Full set of data related to the publication "Stabilization of non-native folds and programmable protein gelation in compositionally designed deep eutectic solvents", published in ACS Nano with DOI:<a title="https://doi.org/10.1021/acsnano.4c01950" href="https://doi.org/10.1021/acsnano.4c01950">10.1021/acsnano.4c01950</a></p> <p> Full details on data treatment and logging are included in the file "DataLogging.pdf". All data use ASCII encoding in delimited .txt files.</p> <p> </p> </div>
Data for Hydration in Deep Eutectic Solvents Induces Non-monotonic Changes in the Conformation and Stability of Proteins
<p>This dataset contains the full set of data related to the publication "Hydration in Deep Eutectic Solvents Induces Non-monotonic Changes in the Conformation and Stability of Proteins", published in the Journal of the American Chemical Society 2022, 144 (51), 23657-23667; doi: 10.1021/jacs.2c11190. Full details on data treatment and logging are included in the file "DataLogging.pdf". All data use ASCII encoding in delimited .txt files.</p>
Data related to the publication "Efficient molecular dynamics simulations of deep eutectic solvents with first-principles accuracy using machine learning interatomic potentials"
<p>The training data sets, the trained machine learning models, and input scripts for the training and molecular dynamics simulations.</p>
A green extraction design for enhancing flavonoid compounds from the Ixora javanica flowers using a deep eutectic solvent
<p>In this study, an environmentally friendly extraction method for flavonoid compound from <em>Ixora javanica</em> as a new raw material candidate for herbal medicine and cosmetics, was developed. The objectives of the present work were to provide recommendations for the optimal extraction conditions and to investigate the effects of any extraction parameters on flavonoid yields from the <em>I. javanica</em> flower. The extraction process was performed using deep eutectic solvent (DES) (choline chloride and propylene glycol at molar ratio of 1:1) and ultrasound-assisted extraction (UAE) method. Both single-factor and response surface analyses using three-level and three-factor Box Behnken designs were conducted to obtain the optimum flavonoid concentrations. The results showed that the optimum extraction conditions for total flavonoids featured an extraction time of 40 min, 25% water content in DES, and a solid-to-liquid ratio of 1:25 g/mL. An extract obtained under optimum extraction conditions showed higher total flavonoid yields than an ethanolic extract which was used for comparison. Scanning electron microscope (SEM) images demonstrated that both of the solvents also showed different effects on the outer surface of the <em>I. javanica</em> flower during extraction process. In sum, our work succeeded in determining the optimum conditions for total flavonoids in the <em>I. javanica</em> flower using a green extraction method.</p>
Green Extraction of depsidones and depsides from H. physodes using Natural Deep Eutectic Solvents
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A green extraction design for enhancing flavonoid compounds from the Ixora javanica flowers using a deep eutectic solvent
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Deep eutectic solvent-based emulsification liquid-liquid microextraction coupled with HPLC-UV for the analysis of phenoxy acid herbicides in paddy field water samples
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Deep Eutectic Solvents: The Thruster De-cloggers
<p>• Led proposal development for utilizing Deep Eutectic Solvents (DES) to address fuel line obstructions<br>in rocket propulsion systems.</p> <p>• Conducted extensive analysis to optimize DES mixture for non-toxicity, low melting and freezing<br>points, and compatibility with liquid fuel, aiming to enhance thruster performance.</p> <p>• Designed proposal framework including small-scale simulations to project effectiveness of DES in<br>mitigating fuel obstruction and improving propellant flow into thrusters.</p> <p>• Proposed thorough testing plan for modified liquid propellant with DES to reduce clogging risks and<br>enhance mission success.</p>
Physicochemical properties (viscosity, electrical conductivity) of betaine based deep eutectic solvents
<p>New deep eutectic solvents (DES) based on betaine as a hydrogen bond acceptor and urea, lactic acid, glycerol, 1,2-propanediol, and xylitol as hydrogen bond donors have been prepared. Viscosity and electrical conductivity were investigated. </p>
A green method of extracting and recovering flavonoids from Acanthopanax senticosus using deep eutectic solvents
<p><span>In recent years, green extraction of bioactive compounds from herbal medicines has generated widespread interest. Deep eutectic solvents (DES) have widely replaced traditional organic solvents in the extraction process. In this study, the efficiencies of eight tailor-made DESs in extracting flavonoids from <i>Acanthopanax senticosus</i> (AS) were compared. Response surface methodology (RSM) was employed to optimize the influencing parameters including ultrasonic power, HBA-HBD ratio, water content, solid-liquid ratio, extraction temperature and extraction time. DES composed of glycerol and levulinic acid at a 1:1 ratio was established as the most suitable extraction medium. Optimal conditions were ultrasonic power of 500W, water content of 28%, solid-liquid ratio of 1:18 g·mL<sup>-1</sup>, extraction temperature of 55℃ and extraction time of 73 minutes. The extraction yield of AS total flavonoids reached 23.928±0.071 mg·g<sup>-1</sup>, which was 86.3% and 43.8% higher compared with traditional solvent soak and ethanol reflux extraction methods, respectively. Macroporous resin (D-101, HPD-600, S-8 and AB-8) was used to recover flavonoids from extracts. The AB-8 resin showed higher adsorption/desorption performance, with a recovery rate of total flavonoids of up to 71.56±0.256%. In addition, DES solvent could be efficiently recovered through this process and reused. In summary, ultrasonic-assisted DES combined with the macroporous resin enrichment method is exceptionally effective in extracting flavonoids from AS and provides a promising environmentally friendly and recyclable strategy for flavonoid extraction from natural plant sources.</span></p>
Fig. 3 in Stabilization of dhurrin biosynthetic enzymes from Sorghum bicolor using a natural deep eutectic solvent
Fig. 3. NADES-based stabilization of the dhurrin biosynthetic enzymes. A) Illustration of proteoliposomes comprising the POR2B, CYP79A1, CYP71E1 and UGT85B1 reconstituted in liposomes composed of phospholipids extracted from etiolated sorghum seedlings (Metabolon). B) Recovery of activity upon storage of enzymes in NADES and glycerol compared to buffer upon dilution displayed as relative conversion of tyrosine for the Metabolon samples and conversion of cyanohydrin to dhurrin for the UGT85B1 samples. Values are mean of three technical replicates± SD. C) Stability of dhurrin biosynthetic enzymes stored at room temperature in aqueous buffer, NADES and glycerol. Samples were diluted in buffer prior to activity assay. Values are mean of three technical replicates ±SD and fitted to a double exponential decay. D) Bar plot showing relative activity of the enzymes following incubation at various temperatures for 30 min in aqueous buffer, NADES and glycerol. Samples were diluted in buffer prior to activity assay. All values are mean of three independent technical replicates ± SD.
Fig. 2 in Stabilization of dhurrin biosynthetic enzymes from Sorghum bicolor using a natural deep eutectic solvent
Fig. 2. Dhurrin biosynthesis in the presence of different NADESs. A) Etiolated sorghum seedlings used for preparation of microsomes. B) Tyrosine conversion assay in microsomes at different NADES concentrations indicates an optimum at 5% NADES for both glucose:tartrate and glucose:malate. Values are mean of three technical replicates ± SD.
Fig. 1 in Stabilization of dhurrin biosynthetic enzymes from Sorghum bicolor using a natural deep eutectic solvent
Fig. 1. Formation of NADES derived from natural occurring metabolites in plants. A) Chemical structures of D-glucose, tartaric acid, malic acid, choline, glycerol and dhurrin. Mixtures of these metabolites were tested for their ability to form NADES and their potential role in stabilizing the dhurrin biosynthetic enzymes. B) Stoichiometric mixture of glucose and tartrate constitute a NADES with significantly lowered melting point compared to the individual components. C) Biosynthetic pathway of the natural product dhurrin in S. bicolor.
Fig. 3 in The phenolic profile extracted from the desiccation-tolerant medicinal shrub Myrothamnus flabellifolia using Natural Deep Eutectic Solvents varies according to the solvation conditions
Fig. 3. Heatmap and dendrogram based on Euclidean distance and Ward's clustering algorithm. FSG = fructose–sucrose–glucose; Glu_ChCl = glucose–choline chloride; Pro_Mal = proline–malic acid; Su_Ca = sucrose–citric acid.
Figure 1 in The phenolic profile extracted from the desiccation-tolerant medicinal shrub Myrothamnus flabellifolia using Natural Deep Eutectic Solvents varies according to the solvation conditions
Figure 1. Principal component analysis scores plot indicating the sample groupings of the different NaDES extracts. This analysis was based only on the putative phenolic compounds. FSG = fructose–sucrose–glucose; Glu_ChCl = glucose– choline chloride; Pro_Mal = proline–malic acid; Su_Ca = sucrose–citric acid.
Fig. 4 in The phenolic profile extracted from the desiccation-tolerant medicinal shrub Myrothamnus flabellifolia using Natural Deep Eutectic Solvents varies according to the solvation conditions
Fig. 4. PCA biplot of the anthocyanins determined by HPLC. FSG = fructose–sucrose–glucose; Glu_ChCl = glucose–choline chloride; Pro_Mal = proline–malic acid; Su_Ca = sucrose–citric acid.
Fig. 5 in The phenolic profile extracted from the desiccation-tolerant medicinal shrub Myrothamnus flabellifolia using Natural Deep Eutectic Solvents varies according to the solvation conditions
Fig. 5. Bar plots showing the concentrations of the anthocyanins detected using HPLC in the different NaDES extracts. Values are based on the mean of three replicates. The error bars represent the standard deviation.
Assessing Sustainability Potential of Spent Lithium-ion Battery Mining using Deep Eutectic Solvents
<p>This dataset provides technical advantages/disadvantages, economic inputs/outputs, and life cycle environmental impacts of solvometallurgy (deep eutectic solvents), pyrometallurgy, and hydrometallurgy systems for critical metals recycling from spent lithium-ion battery.</p>
Deep desulfurisation performance of thiophene with deep eutectic solvents loaded carbon nanotubes composites
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The physicochemical and thermal properties of deep eutectic solvent with different hydrogen bond donor (alpha hydroxy acid and polyol)
<p><span>Deep eutectic solvents (DESs) are a novel class of solvents that have gathered interest due to their unique properties particularly in its application of biomass fractionation. It is critical to study its properties from an engineering standpoint because of its importance in mass transfer, fluid mechanics, modelling, simulation and equipment design. The comparison of physicochemical and thermal properties of DESs has not been thoroughly investigated, particularly when a different functional group, such as alpha hydroxy acid (lactic acid, LA) or polyol (glycerol, Gly), is used as the hydrogen bond donor (HBD). Furthermore, understanding how molar ratios affect properties is crucial since they may be fine-tuned to meet the needs of specific applications. Thus, the purpose of this study is to determine the physicochemical properties (viscosity, density, refractive index and pH) and the thermal properties (freezing point and decomposition temperature) of DESs with different HBD functional groups (LA and Gly) at various molar ratios (1:2–1:10). The HBD's functional groups and molar ratio change significantly impacted the properties due to hydrogen bonding sites and strength, alkyl chain length and molecular weight and electrostatic and dispersion interactions. The correlation between DESs molar ratios and properties is not always linearly due to eutectic phenomena.</span></p>
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International Brain Laboratory public data
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