Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Solvents01:12

Solvents

71.3K
A solvent is a substance, most often a liquid, that can dissolve other substances. Here, the substance being dissolved is called a solute. When a solvent and a solute combine, they form a solution - a homogenous mixture of both the solvent and the solute. Water is a universal biological solvent. Its polar structure allows it to dissolve many other polar compounds. The ability of water to dissolve is governed by a balance between water molecules binding to each other and binding to the solute.
A...
71.3K
Titration in Nonaqueous Solvents01:16

Titration in Nonaqueous Solvents

1.4K
Most acid-base titrations are performed in an aqueous medium. In aqueous titrations, water competes with weaker acids or bases for proton donation or acceptance, leading to ambiguous endpoints in the titration curve. Water also affects the partial ionization of weak acids or bases. For example, water accepts a proton from acetic acid to form hydronium and acetate ions. The hydronium ion formed is a stronger acid than acetic acid, and the acetate ion is a stronger base than water. As a result,...
1.4K
Drug Absorption: Factors Affecting GI Absorption01:19

Drug Absorption: Factors Affecting GI Absorption

6.3K
The process of oral drug absorption can be influenced by several factors. Weakly acidic drugs tend to be absorbed more readily from the stomach due to their nonionized state. However, absorption may be less efficient in the upper intestine, where drugs are often ionized. Interestingly, despite the stomach's apparent advantage for drug absorption, its mucous layer can hinder diffusion. Its surface area is also smaller than the intestine's, which can further slow down the absorption rate.
6.3K
Absorption of Radiation01:05

Absorption of Radiation

1.3K
The rate of heat transfer by emitted radiation is described by the Stefan-Boltzmann law of radiation:
1.3K
Protein Absorption01:12

Protein Absorption

1.1K
Proteins in the gastrointestinal tract typically come from food, but they can also originate from disintegrated cells or secreted enzymes. In the stomach, the enzyme pepsin breaks down these proteins into polypeptides. The fragments then move into the duodenum as a semi-fluid mass called chyme. Pancreatic proteases, such as trypsin and chymotrypsin, and intestinal brush border enzymes like carboxypeptidases further dismantle the polypeptides into tripeptides, dipeptides, and free amino acids.
1.1K
Lipid Absorption01:24

Lipid Absorption

2.7K
Dietary triglycerides from chyme in the duodenum are mixed with bile salts produced by the liver to emulsify fats. As a result, large droplets are broken down into smaller ones, increasing the surface area for enzymatic action. Once emulsified, pancreatic lipases hydrolyze the triglycerides into free fatty acids and monoglycerides.
These breakdown products bind with bile salts and lecithin to form micelles, which quickly pass between microvilli to come in close contact with the apical...
2.7K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Bypassing First-Stage Degradation via Preconversion Interface Engineering in Iron Oxalate Anodes.

Langmuir : the ACS journal of surfaces and colloids·2026
Same author

Precise Synthesis of ∼1 nm Iridium Nanoclusters as a Catalyst for Efficient Oxygen Evolution.

Journal of the American Chemical Society·2026
Same author

Discovering CO<sub>2</sub>-Reactive Carbanions via Property-Guided Generative AI.

Journal of chemical information and modeling·2026
Same author

Anode-Free Lithium Metal Battery Enabled by Oxygen-Functionalized MWCNT and TiN Interlayer for Uniform Lithium Deposition.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Cyclodextrin-Derived Porous Liquids Enabled by In Situ Solvation Shell Formation.

Journal of the American Chemical Society·2026
Same author

Controlling Exsolution Dynamics in High-Entropy Oxides for Highly Active and Selective Acetylene Semi-Hydrogenation.

Angewandte Chemie (International ed. in English)·2026
Same journal

Stability constants of lanthanide-nitrate complexes in aqueous solutions: a theoretical study.

Physical chemistry chemical physics : PCCP·2026
Same journal

Lead-free Cs<sub>3</sub>MnCl<sub>5</sub> and CsMnCl<sub>3</sub> crystals: rapid on-chip crystallization, phase transition and fluorescence sensing applications.

Physical chemistry chemical physics : PCCP·2026
Same journal

F-Interstitial passivation preserves host-like optoelectronic properties in <sup>229</sup>Th:YLF nuclear-clock platforms.

Physical chemistry chemical physics : PCCP·2026
Same journal

Structural trends of tryptophan dimer: hydrogen bonding <i>versus</i> π-stacking from an energy decomposition analysis perspective.

Physical chemistry chemical physics : PCCP·2026
Same journal

Achieving high thermoelectric performance in Sb<sub>2</sub>Se<sub>3</sub>-alloyed GeTe through synergistic optimization of electrical and thermal transport.

Physical chemistry chemical physics : PCCP·2026
Same journal

Ultraviolet perfect absorption leveraging bound states in the continuum in an Al/SiO<sub>2</sub> hybrid system.

Physical chemistry chemical physics : PCCP·2026
See all related articles

Related Experiment Video

Updated: Feb 10, 2026

Preparation of Binary and Ternary Deep Eutectic Systems
06:15

Preparation of Binary and Ternary Deep Eutectic Systems

Published on: October 31, 2019

12.8K

SO2 absorption in EmimCl-TEG deep eutectic solvents.

Dezhong Yang1, Shaoze Zhang, De-En Jiang

  • 1School of Science, China University of Geosciences, Beijing 100083, China. yangdz@cugb.edu.cn.

Physical Chemistry Chemical Physics : PCCP
|May 24, 2018
PubMed
Summary
This summary is machine-generated.

Deep eutectic solvents (DESs) featuring 1-ethyl-3-methylimidazolium chloride and triethylene glycol demonstrate high sulfur dioxide (SO2) absorption. The optimal 6:1 ratio achieved the highest SO2 capture capacity among DESs, with reversible absorption and desorption.

More Related Videos

Preparation of Biopolymer Aerogels Using Green Solvents
08:13

Preparation of Biopolymer Aerogels Using Green Solvents

Published on: July 4, 2016

18.4K
Characterization of Biological Absorption Spectra Spanning the Visible to the Short-Wave Infrared
07:38

Characterization of Biological Absorption Spectra Spanning the Visible to the Short-Wave Infrared

Published on: January 10, 2025

3.2K

Related Experiment Videos

Last Updated: Feb 10, 2026

Preparation of Binary and Ternary Deep Eutectic Systems
06:15

Preparation of Binary and Ternary Deep Eutectic Systems

Published on: October 31, 2019

12.8K
Preparation of Biopolymer Aerogels Using Green Solvents
08:13

Preparation of Biopolymer Aerogels Using Green Solvents

Published on: July 4, 2016

18.4K
Characterization of Biological Absorption Spectra Spanning the Visible to the Short-Wave Infrared
07:38

Characterization of Biological Absorption Spectra Spanning the Visible to the Short-Wave Infrared

Published on: January 10, 2025

3.2K

Area of Science:

  • Green Chemistry
  • Materials Science

Background:

  • Deep eutectic solvents (DESs) are emerging as sustainable alternatives in various chemical applications.
  • Efficient capture and removal of sulfur dioxide (SO2) are critical for environmental protection and industrial processes.

Purpose of the Study:

  • To synthesize and characterize novel DESs based on 1-ethyl-3-methylimidazolium chloride (EmimCl) and triethylene glycol (TEG).
  • To evaluate the SO2 absorption capacity and desorption behavior of these EmimCl-TEG DESs.
  • To elucidate the interaction mechanisms governing SO2 capture in these DESs.

Main Methods:

  • Preparation of EmimCl-TEG DESs at varying molar ratios (6:1 to 1:1).
  • Fourier-transform infrared (FTIR) spectroscopy to analyze intermolecular interactions.
  • Theoretical calculations to understand hydrogen bonding and charge-transfer interactions.
  • SO2 absorption/desorption experiments under controlled temperature and pressure.

Main Results:

  • FTIR and theoretical studies confirmed hydrogen bonding between the C2-H of EmimCl and the hydroxyl group of TEG.
  • The EmimCl-TEG (6:1) DES exhibited the highest SO2 capture capacity (0.54 g SO2/g solvent) at 0.10 atm and 20 °C.
  • Theoretical calculations revealed that strong charge-transfer interactions between SO2 and the Cl- anion are key to high SO2 absorption.
  • Tunable SO2 desorption was achieved by adjusting EmimCl-TEG interactions, enabling multiple cycles.

Conclusions:

  • EmimCl-TEG DESs are highly effective for SO2 capture, with the 6:1 ratio showing superior performance.
  • The mechanism involves specific hydrogen bonding and significant charge-transfer interactions.
  • These recyclable DESs offer a promising avenue for efficient and sustainable SO2 management.