Results 31 to 40 of about 15,276 (298)

Can Deep Eutectic Solvents Sustain Oxygen Dependent Bioprocesses? – Measurements of Oxygen Transfer Rates [PDF]

open access: yes, 2021
The oxygen transfer rate (OTR) of dioxygen to solutions describing the transport of oxygen gas from the gaseous phase into the liquid phase of a reaction system over a given period is an important measure for biotechnological applications.
Lars-Erik, Meyer   +4 more
core   +1 more source

Estimation of efficiency of ultrasonic extraction using deep eutectic solvents for extraction of biologically active compounds from plant raw materials [PDF]

open access: yesE3S Web of Conferences
Deep eutectic solvents are novel media for the extraction of biologically active substances from plant row material. They are often used for ultrasonic extraction.
Koigerova Alena
doaj   +1 more source

Processing Polyelectrolyte Complexes with Deep Eutectic Solvents [PDF]

open access: yes, 2021
Polyelectrolyte complexes (PECs) formed from mixtures of polycations and polyanions are useful in a variety of applications and can be processed by the addition of salt.
YuLing Chen (11507832)   +3 more
core   +1 more source

Combining Deep Eutectic Solvents with TEMPO-based Polymer Electrodes: Influence of Molar Ratio on Electrode Performance [PDF]

open access: yes, 2022
For sustainable storage of electrical energy, all-organic batteries based on redox-active polymers promise to become an alternative to conventional lithium ion batteries.
Matthias, Uhl   +7 more
core   +1 more source

An acid-based DES as a novel catalyst for the synthesis of pyranopyrimidines

open access: yesScientific Reports, 2023
Deep eutectic solvents have countless advantages over normal solvents, and in addition to complying with the principles of green chemistry, depending on their nature, they can also act as catalysts. The use of deep eutectic solvents as acid catalysts has
Arezo Monem   +2 more
doaj   +1 more source

Alternative Assisted Extraction Methods of Phenolic Compounds Using NaDESs

open access: yesAntioxidants, 2023
A renewed understanding of eco-friendly principles is moving the industrial sector toward a shift in the utilization of less harmful solvents as a main strategy to improve manufacturing.
Mario Coscarella   +7 more
doaj   +1 more source

Electrochemical Evaluation of Tyrosinase Enzymatic Activity in Deep Eutectic Solvent and Aqueous Deep Eutectic Solvent

open access: yesSensors, 2023
The use of green, inexpensive, and biodegradable deep eutectic solvents as nonaqueous solvents and electrolytes could be a useful way to potentially improve the enzyme biosensor performance as well as a profitable strategy to extend their use in the gas phase.
Svigelj, Rossella   +2 more
openaire   +4 more sources

Assessment of the organocatalytic activity of chiral L-Proline-based Deep Eutectic Solvents based on their structural features [PDF]

open access: yes, 2020
The impact on the environment of polluting and volatile organic solvents represents nowadays a severe problem. In order to reduce the incidence on the environment of chemical applications, Deep Eutectic Solvents (DESs) represent a step ahead in this ...
Ramon D. J.   +15 more
core   +1 more source

Ultrasonic-assisted extraction of total flavonoids from guava leaves by natural deep eutectic solvents

open access: yesSiliao yanjiu, 2022
In the study, a highly and efficient extraction technique for determination of flavonoids from guava leaves using a combination of ultrasound-assisted extraction and deep eutectic solvents (DES) was developed. Using guava leaves as raw materials and deep
Li-rong JIANG   +7 more
doaj  

Alternative green solvents in sample preparation

open access: yesGreen Analytical Chemistry, 2022
Sample treatment is one of the most contaminant steps in the analytical process, mainly due to the high consumption of energy and petrol-based organic solvents, which involve a high environmental impact. One of the most promising strategies to reduce the
Sergio Armenta   +3 more
doaj   +1 more source

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