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

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...
Extraction: Advanced Methods00:56

Extraction: Advanced Methods

Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is formed in...
Microbial Bioremediation of Uranium01:25

Microbial Bioremediation of Uranium

Microorganisms play a critical role in the transformation and immobilization of uranium in contaminated environments through four main pathways: bioreduction, biosorption, bioaccumulation, and biomineralization. These mechanisms reduce uranium’s toxicity and prevent its migration through groundwater systems, offering sustainable approaches for in situ bioremediation.Bioreduction of UraniumBioreduction is driven by anaerobic bacteria such as certain strains of Geobacter and Shewanella, which use...
Acid Mine Drainage01:19

Acid Mine Drainage

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 aquatic...

You might also read

Related Articles

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

Sort by
Same author

First-in-human study of the dual A<sub>2</sub><sub>A</sub>/A<sub>2</sub><sub>B</sub> adenosine receptor antagonist muvadenant (M1069) in patients with advanced solid tumors.

ESMO open·2026
Same author

Associations of diarrhea and bovine respiratory disease with growth, feed intake, and mortality during the preweaning period of Holsteins and beef-on-dairy calves.

Journal of dairy science·2025
Same author

<i>Loci</i> Identification of a N-acyl Homoserine Lactone Type Quorum Sensing System and a New LysR-type Transcriptional Regulator Associated with Antimicrobial Activity and Swarming in <i>Burkholderia Gladioli</i> UAPS07070.

Open life sciences·2021
Same author

An on-lattice agent-based Monte Carlo model simulating the growth kinetics of multicellular tumor spheroids.

Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB)·2020
Same author

Synergistic arsenic(v) and lead(ii) retention on synthetic jarosite. I. Simultaneous structural incorporation behaviour and mechanism.

Environmental science. Processes & impacts·2017
Same author

A longitudinal communication approach in advanced lung cancer: A qualitative study of patients', relatives' and staff's perspectives.

European journal of cancer care·2017

Related Experiment Video

Updated: Jul 6, 2026

Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil
12:03

Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil

Published on: September 1, 2020

Solid-phase control on lead bioaccessibility in smelter-impacted soils.

F M Romero1, M Villalobos, R Aguirre

  • 1Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacan, 04510, Mexico D.F., Mexico. fmrch@geologia.unam.mx

Archives of Environmental Contamination and Toxicology
|March 6, 2008
PubMed
Summary
This summary is machine-generated.

Smelter activities in Mexico contaminated soils with lead (Pb). Despite high total Pb, low solubility of identified lead arsenate and other Pb phases resulted in low lead bioaccessibility, posing less risk than expected.

More Related Videos

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae
10:20

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae

Published on: July 10, 2015

Dissolved Solute Sampling Across an Oxic-Anoxic Soil-Water Interface Using Microdialysis Profilers
11:43

Dissolved Solute Sampling Across an Oxic-Anoxic Soil-Water Interface Using Microdialysis Profilers

Published on: March 24, 2023

Related Experiment Videos

Last Updated: Jul 6, 2026

Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil
12:03

Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil

Published on: September 1, 2020

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae
10:20

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae

Published on: July 10, 2015

Dissolved Solute Sampling Across an Oxic-Anoxic Soil-Water Interface Using Microdialysis Profilers
11:43

Dissolved Solute Sampling Across an Oxic-Anoxic Soil-Water Interface Using Microdialysis Profilers

Published on: March 24, 2023

Area of Science:

  • Environmental Science
  • Geochemistry
  • Toxicology

Background:

  • Smelter activities in San Luis Potosi, Mexico, led to significant lead (Pb) soil contamination in a residential area.
  • Total Pb concentrations exceeded Mexican environmental regulations (400 mg/kg), raising health and environmental concerns.

Purpose of the Study:

  • To identify the solid-phase controls on lead (Pb) bioaccessibility in smelter-impacted soils.
  • To correlate Pb mineralogy and solubility with measured bioaccessibility.

Main Methods:

  • Soil sampling across a 30-hectare area.
  • Analysis of total Pb concentrations and water-soluble Pb.
  • X-ray diffraction and electron microscopy for mineral phase identification.
  • Lead bioaccessibility assessments.

Main Results:

  • Soils exhibited low water-soluble lead (<0.1 mg/L) and bioaccessibility (2.4-20.5%).
  • Identified Pb phases included galena (PbS), anglesite (PbSO(4)), and a significant lead arsenate phase.
  • Measured Pb solubility aligned with the low solubility of identified Pb minerals.

Conclusions:

  • The presence of low-solubility lead arsenate and other Pb phases controls Pb bioaccessibility in these soils.
  • Despite high total Pb concentrations, the mineralogy limits Pb bioavailability, reducing immediate health risks.
  • Findings are crucial for understanding environmental contamination from smelter activities.