Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Catalysis

Catalysis

The presence of a catalyst affects the rate of a chemical reaction. A catalyst is a substance that can increase the reaction rate without being consumed during the process. A basic comprehension of a catalysts’ role during chemical reactions can be understood from the concept of reaction mechanisms and energy diagrams.

You might also read

Related Articles

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

Sort by

Same author

Modeling and Parametrization of Size-Dependent Processes in Multiphase Aerosol Chemistry.

ACS ES&T air·2026

Same author

Heterogeneous reactions of nitrogen dioxide and guaiacol on indoor surface materials: surface adsorbed nitro-phenolic compound formation and gas-phase HONO yields.

Environmental science. Processes & impacts·2026

Same author

Cation-Assisted Surfactant Templating of DNA at the Air-Water Interface: New Insights into Nucleic Acid Surface Activity.

The journal of physical chemistry letters·2026

Same author

Evolution of the Composition and pH of Single Aqueous Aerosols Produced from Bulk Aqueous Sulfite Solutions.

The journal of physical chemistry. A·2026

Same author

Integrating Iron Isotope and Oxidation State Measurements with In Situ Vibrational Spectroscopy to Understand Iron Dissolution during Atmospheric Processing of Iron Oxides in Wildfire Smoke.

Environmental science & technology·2026

Same author

Revealing the Impact of pH on Lipase Structure and Surface Propensity at the Air-Water Interface and in Aqueous Aerosols.

The journal of physical chemistry letters·2026

Search research articles

Related Experiment Video

Updated: Oct 5, 2025

Synthesis and Characterization of Fe-doped Aluminosilicate Nanotubes with Enhanced Electron Conductive Properties

Synthesis and Characterization of Fe-doped Aluminosilicate Nanotubes with Enhanced Electron Conductive Properties

Published on: November 15, 2016

Monoethanolamine adsorption on oxide surfaces.

Amber N Rose¹, Eshani Hettiarachchi¹, Vicki H Grassian¹

¹Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA 92093, United States.

Journal of Colloid and Interface Science

|January 27, 2022

Summary

This study reveals how monoethanolamine (MEA), a chemical contaminant, interacts with titanium dioxide and iron oxide surfaces. Adsorption increases with pH and concentration but decreases with ionic strength, highlighting electrostatic influences.

Keywords:

Attenuated total reflectance Contaminants Iron oxide Monoethanolamine Surface adsorption Titanium dioxide

More Related Videos

Diffuse Reflectance Infrared Spectroscopic Identification of Dispersant/Particle Bonding Mechanisms in Functional Inks

Diffuse Reflectance Infrared Spectroscopic Identification of Dispersant/Particle Bonding Mechanisms in Functional Inks

Published on: May 8, 2015

Study of Short Peptide Adsorption on Solution Dispersed Inorganic Nanoparticles Using Depletion Method

Study of Short Peptide Adsorption on Solution Dispersed Inorganic Nanoparticles Using Depletion Method

Published on: April 11, 2020

Related Experiment Videos

Last Updated: Oct 5, 2025

Synthesis and Characterization of Fe-doped Aluminosilicate Nanotubes with Enhanced Electron Conductive Properties

Synthesis and Characterization of Fe-doped Aluminosilicate Nanotubes with Enhanced Electron Conductive Properties

Published on: November 15, 2016

Diffuse Reflectance Infrared Spectroscopic Identification of Dispersant/Particle Bonding Mechanisms in Functional Inks

Diffuse Reflectance Infrared Spectroscopic Identification of Dispersant/Particle Bonding Mechanisms in Functional Inks

Published on: May 8, 2015

Study of Short Peptide Adsorption on Solution Dispersed Inorganic Nanoparticles Using Depletion Method

Study of Short Peptide Adsorption on Solution Dispersed Inorganic Nanoparticles Using Depletion Method

Published on: April 11, 2020

Area of Science:

Environmental science
Geochemistry
Surface chemistry

Background:

Chemical contaminants pose risks to water quality.
Geochemical interfaces influence contaminant fate and transport.
Alkanolamines like MEA are common industrial chemicals.

Purpose of the Study:

Investigate the adsorption of monoethanolamine (MEA) on titanium dioxide (TiO2) and iron oxide (α-Fe2O3) nanoparticles.
Determine the impact of pH, concentration, and ionic strength on MEA adsorption.
Elucidate the surface chemistry and interaction mechanisms between MEA and oxide interfaces.

Main Methods:

Attenuated Total Reflectance Fourier Transform Infrared (ATR-FTIR) spectroscopy was employed.
Adsorption behavior was studied as a function of pH, concentration, and ionic strength.
Titanium dioxide (TiO2) and iron oxide (α-Fe2O3) nanoparticles were used as model oxide surfaces.

Main Results:

MEA adsorption on TiO2 and α-Fe2O3 increased with rising pH.
Adsorption extent increased with MEA concentration until saturation.
Adsorption decreased with increasing ionic strength, indicating electrostatic interactions.

Conclusions:

A mechanistic understanding of MEA interaction with TiO2 and α-Fe2O3 surfaces was developed.
Electrostatic forces play a significant role in MEA adsorption onto oxide surfaces.
The findings offer crucial insights into alkanolamine interactions with geochemical interfaces.