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

Microbial Leaching01:27

Microbial Leaching

209
Microbial leaching, also known as bioleaching, is an environmentally favorable method for extracting metals from low-grade ores using specific microorganisms. This biotechnological approach is particularly valuable for mining operations targeting copper, gold, and uranium, where traditional extraction methods may be economically or environmentally impractical.Copper Leaching and Microbial CatalysisIn copper bioleaching, crushed ore is arranged into heaps and irrigated with a dilute sulfuric...
209
Acid Mine Drainage01:19

Acid Mine Drainage

101
Mining activities that disturb sulfide-rich rocks, particularly those containing pyrite (FeS₂), initiate a cascade of geochemical and microbiological processes with serious environmental implications. When exposed to air and water, pyrite undergoes oxidation, releasing sulfate, ultimately forming sulfuric acid and mobilizing heavy metals into surrounding water systems. This phenomenon, known as acid mine drainage (AMD), results in low pH waters laden with toxic elements that threaten...
101
Crystal Field Theory - Octahedral Complexes02:58

Crystal Field Theory - Octahedral Complexes

28.4K
Crystal Field Theory
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
CFT focuses on...
28.4K

You might also read

Related Articles

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

Sort by
Same author

A single freeze cycle redirects iron mineral transformation.

Science (New York, N.Y.)·2026
Same author

Effects of Iron-Organic Matter Colloids on Transport of Rare Earth Elements in Saturated Porous Medium.

Environmental science & technology·2026
Same author

Stabilization of U(V) and U(VI) in Goethite Formed by Recrystallization of Fe-Oxyhydroxysulfates.

Environmental science & technology·2026
Same author

Elucidating the Geochemical Dynamics of Arsenite and Pyrite in Aquatic Systems.

Environmental science & technology·2025
Same author

Water Film-Mediated Hydrolysis of Pyrophosphate on a Nanosized Mn Oxide.

Langmuir : the ACS journal of surfaces and colloids·2025
Same author

Ice as a kinetic and mechanistic driver of oxalate-promoted iron oxyhydroxide dissolution.

Proceedings of the National Academy of Sciences of the United States of America·2025

Related Experiment Video

Updated: Apr 24, 2026

An Experimental Protocol for Studying Mineral Effects on Organic Hydrothermal Transformations
06:50

An Experimental Protocol for Studying Mineral Effects on Organic Hydrothermal Transformations

Published on: August 8, 2018

5.3K

Ice amplifies ligand-controlled mineral dissolution in microscale hot spots.

Tao Chen1, Tao Luo1, Tra My Bui Thi2

  • 1Department of Chemistry, Umeå University, Umeå SE-901 87, Sweden.

Proceedings of the National Academy of Sciences of the United States of America
|April 22, 2026
PubMed
Summary

Ice accelerates mineral dissolution in cold regions by concentrating reactive minerals and anions. This process, driven by freeze concentration, impacts iron release and biogeochemical cycles in warming polar and alpine environments.

Keywords:
dissolutiongoethiteiceinterfacesiron

More Related Videos

Reservoir Condition Pore-scale Imaging of Multiple Fluid Phases Using X-ray Microtomography
08:02

Reservoir Condition Pore-scale Imaging of Multiple Fluid Phases Using X-ray Microtomography

Published on: February 25, 2015

15.3K
Author Spotlight: Unraveling the Role of Earthworms in Enhancing Mineral Weathering for CO2 Removal
07:22

Author Spotlight: Unraveling the Role of Earthworms in Enhancing Mineral Weathering for CO2 Removal

Published on: November 10, 2023

4.0K

Related Experiment Videos

Last Updated: Apr 24, 2026

An Experimental Protocol for Studying Mineral Effects on Organic Hydrothermal Transformations
06:50

An Experimental Protocol for Studying Mineral Effects on Organic Hydrothermal Transformations

Published on: August 8, 2018

5.3K
Reservoir Condition Pore-scale Imaging of Multiple Fluid Phases Using X-ray Microtomography
08:02

Reservoir Condition Pore-scale Imaging of Multiple Fluid Phases Using X-ray Microtomography

Published on: February 25, 2015

15.3K
Author Spotlight: Unraveling the Role of Earthworms in Enhancing Mineral Weathering for CO2 Removal
07:22

Author Spotlight: Unraveling the Role of Earthworms in Enhancing Mineral Weathering for CO2 Removal

Published on: November 10, 2023

4.0K

Area of Science:

  • Geochemistry
  • Environmental Science
  • Cryosphere Science

Background:

  • Cold-region ecosystems are sensitive to climate change.
  • Geochemical processes in these regions are poorly understood.
  • Ice-driven reactions can significantly influence ecosystem functions.

Purpose of the Study:

  • To investigate how ice influences mineral dissolution.
  • To understand the role of freeze concentration in creating reactive hot spots.
  • To assess the impact of different anions on ice-enhanced mineral dissolution.

Main Methods:

  • Used goethite nanoparticles as a model iron oxide.
  • Studied reactions with chloride, fluoride, and sulfate anions.
  • Investigated dissolution rates in both ice and liquid water phases.
  • Analyzed reactions occurring below the eutectic temperature.

Main Results:

  • Ice systematically enhances mineral dissolution via freeze concentration.
  • Dissolution rates correlate with anion binding affinity, with fluoride showing the greatest enhancement.
  • Reactions occur in microscale liquid water pockets within ice.
  • Ice enhanced dissolution rates for all tested reactive ligands.

Conclusions:

  • Ice acts as a dynamic medium promoting iron release in cold environments.
  • This mechanism has significant implications for nutrient availability and carbon cycling.
  • Findings are crucial for understanding biogeochemical feedbacks in warming polar and alpine regions.