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Related Concept Videos

Solvents01:12

Solvents

71.9K
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...
71.9K
Entropy and Solvation02:05

Entropy and Solvation

8.7K
The process of surrounding a solute with solvent is called solvation. It involves evenly distributing the solute within the solvent. The rule of thumb for determining a solvent for a given compound is that like dissolves like. A good solvent has molecular characteristics similar to those of the compound to be dissolved. For example, polar solutions dissolve polar solutes, and apolar solvents dissolve apolar solutes. A polar solvent is a solvent that has a high dielectric constant (ϵ...
8.7K
Volatilization01:10

Volatilization

6.3K
Volatilization gravimetry is an analytical technique that measures the mass lost due to the volatilization of the substance. This technique is used to estimate the amount of volatile material in a sample. To perform this method, heat a known amount of the sample to a high temperature in a crucible or other suitable vessel. The volatile substance in the sample evaporates, and the vapor is completely expelled from the crucible either by heating the sample or bubbling a stream of inert gas through...
6.3K
Ideal Solutions02:24

Ideal Solutions

23.2K
According to Raoult’s law, the partial vapor pressure of a solvent in a solution is equal or identical to the vapor pressure of the pure solvent multiplied by its mole fraction in the solution. However, Raoult's Law is only valid for ideal solutions. For a solution to be ideal, the solvent-solute interaction must be just as strong as a solvent-solvent or solute-solute interaction. This suggests that both the solute and the solvent would use the same amount of energy to escape to the...
23.2K
Chemical Shift: Internal References and Solvent Effects01:17

Chemical Shift: Internal References and Solvent Effects

1.6K
In an NMR sample, precise measurement of the absolute absorption frequencies of nuclei is difficult. A standard internal reference compound is added, and the frequency difference between the reference signal and sample signals is measured.
The internal reference compound generally used in NMR spectroscopy is tetramethylsilane (TMS). TMS is preferred because it is chemically inert, soluble in NMR solvents, and easily removable. Also, the highly shielded methyl protons in TMS yield an intense...
1.6K
Vapor Pressure Lowering03:28

Vapor Pressure Lowering

32.2K
The equilibrium vapor pressure of a liquid is the pressure exerted by its gaseous phase when vaporization and condensation are occurring at equal rates:
32.2K

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Related Experiment Video

Updated: Mar 18, 2026

Capturing Actively Produced Microbial Volatile Organic Compounds from Human-Associated Samples with Vacuum-Assisted Sorbent Extraction
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Capturing Actively Produced Microbial Volatile Organic Compounds from Human-Associated Samples with Vacuum-Assisted Sorbent Extraction

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What Makes a Designer Solvent Efficient for Capturing Volatile Organic Compounds?-A Molecular Perspective.

Sandipa Indra1, Ranga Subramanian2, Anil Kumar Singh1,3

  • 1Department of Chemistry, S.U. College, Hilsa, Patliputra University, Bihar, India.

Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry
|March 16, 2026
PubMed
Summary

Designer solvents, including ionic liquids and deep eutectic solvents, offer tunable options for capturing volatile organic compounds. Molecular insights guide the development of these green solvents for better air quality management.

Keywords:
air pollutantdeep eutectic systemsdesigner solventsvapor–liquid interfacevolatile organic compounds

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Unraveling Entropic Rate Acceleration Induced by Solvent Dynamics in Membrane Enzymes
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Fizzy Extraction of Volatile Organic Compounds Combined with Atmospheric Pressure Chemical Ionization Quadrupole Mass Spectrometry
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Area of Science:

  • Green Chemistry
  • Materials Science
  • Environmental Engineering

Background:

  • Conventional volatile organic compound (VOC) capture methods have limitations.
  • Designer solvents (DSs), such as room-temperature ionic liquids (RTILs) and deep eutectic solvents (DESs), show promise as alternatives.
  • DSs offer tunable properties for optimized VOC solubility and retention.

Purpose of the Study:

  • To summarize experimental and computational insights into molecular-level understanding of VOC absorption in DSs.
  • To highlight factors influencing VOC capture efficiency in RTILs and DESs.
  • To provide a framework for identifying optimal DSs for specific VOCs.

Main Methods:

  • Review of experimental and computational studies, including molecular dynamics (MD) simulations.
  • Analysis of interfacial structuring, solvation thermodynamics, and donor-acceptor chemistry.
  • Comparative analysis of RTILs and DESs for VOC absorption.

Main Results:

  • Tunability of DSs through functional group modification, hydrogen bonding, and additives optimizes VOC capture.
  • DSs enhance VOC uptake in porous hybrid materials, enabling integrated capture systems.
  • Molecular understanding reveals that interfacial structuring, solvation thermodynamics, and donor-acceptor chemistry are key to efficient VOC absorption.

Conclusions:

  • Despite advances, a fragmented molecular-level understanding limits predictive design of DSs.
  • Synergistic experimental-computational approaches are crucial for rational development of DSs.
  • DSs represent a promising avenue for green solvent technologies in air quality management and emission control.