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

Sample Preparation for Analysis: Advanced Techniques01:08

Sample Preparation for Analysis: Advanced Techniques

1.2K
Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
1.2K
Sample Preparation for Analysis: Overview01:21

Sample Preparation for Analysis: Overview

2.3K
Sample preparation is an essential step in the analytical process. It involves preparing a sample so that it can be analyzed accurately. The goal is to extract the analyte, the substance you want to measure, from the sample while removing any components that may interfere with the analysis. Sample preparation techniques vary depending on the physical state of the sample.
Bulk or large solid samples are typically reduced in size using grinding, crushing, or milling techniques to increase the...
2.3K
Extraction: Advanced Methods00:56

Extraction: Advanced Methods

1.0K
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...
1.0K

You might also read

Related Articles

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

Sort by
Same author

Sales-based veterinary antimicrobial consumption in food-producing animals in Korea: A population correction unit-based analysis and comparison with Europe.

Preventive veterinary medicine·2026
Same author

Predictions of Oncotype DX<sup>®</sup> High-Risk Classification Using Magnetic Resonance Imaging-Based Intratumoral Heterogeneity.

Bioengineering (Basel, Switzerland)·2026
Same author

Optimization of polyethylene glycol-based isolation of exosomes from mesenchymal stem cells for regenerative medicine applications.

Stem cell research & therapy·2026
Same author

Water-Solubilized Curcuminoids Suppress Influenza A Virus Replication and Ameliorate Virus-Induced T-Cell Immune Dysfunction and Inflammatory Responses.

Microorganisms·2026
Same author

Evaluation of Physicochemical Changes in Hard-Boiled Eggs Stored at Different Temperatures.

Food science of animal resources·2026
Same author

Label free multimodal optical imaging of metabolic heterogeneity in aging by integrating SRS, MPF, FLIM, and SHG.

bioRxiv : the preprint server for biology·2026

Related Experiment Video

Updated: Jan 9, 2026

Speciation and Bioavailability Measurements of Environmental Plutonium Using Diffusion in Thin Films
12:22

Speciation and Bioavailability Measurements of Environmental Plutonium Using Diffusion in Thin Films

Published on: November 9, 2015

11.8K

Method development for plutonium detection in seawater: Selective extraction and sample preparation using actinide

Ji-Young Park1, Dayeong Lee1, Ranhee Park2

  • 1Environmental Radioactivity Assessment Team, Korea Atomic Energy Research Institute, 989-111 Daedeok-daero, Yuseong-gu, Daejeon 30434, Republic of Korea.

Journal of Chromatography. A
|December 1, 2025
PubMed
Summary
This summary is machine-generated.

A new method rapidly determines plutonium in seawater using microwave digestion and specialized resins, reducing analysis time to ~7 hours. This offers a high-throughput solution for marine environmental monitoring and emergency response.

Keywords:
Actinide resinMarine radioactivityPlutonium isotopesRadioactivity monitoringSelective extraction

More Related Videos

Automated 90Sr Separation and Preconcentration in a Lab-on-Valve System at Ppq Level
08:53

Automated 90Sr Separation and Preconcentration in a Lab-on-Valve System at Ppq Level

Published on: June 6, 2018

8.3K
Separation of Uranium and Thorium for 230Th-U Dating of Submarine Hydrothermal Sulfides
08:43

Separation of Uranium and Thorium for 230Th-U Dating of Submarine Hydrothermal Sulfides

Published on: May 20, 2019

7.2K

Related Experiment Videos

Last Updated: Jan 9, 2026

Speciation and Bioavailability Measurements of Environmental Plutonium Using Diffusion in Thin Films
12:22

Speciation and Bioavailability Measurements of Environmental Plutonium Using Diffusion in Thin Films

Published on: November 9, 2015

11.8K
Automated 90Sr Separation and Preconcentration in a Lab-on-Valve System at Ppq Level
08:53

Automated 90Sr Separation and Preconcentration in a Lab-on-Valve System at Ppq Level

Published on: June 6, 2018

8.3K
Separation of Uranium and Thorium for 230Th-U Dating of Submarine Hydrothermal Sulfides
08:43

Separation of Uranium and Thorium for 230Th-U Dating of Submarine Hydrothermal Sulfides

Published on: May 20, 2019

7.2K

Area of Science:

  • Environmental Chemistry
  • Radiochemistry
  • Analytical Chemistry

Background:

  • Conventional plutonium determination in seawater is time-consuming (1-2 days) and labor-intensive due to multiple coprecipitation steps.
  • Existing methods face limitations in speed and efficiency for analyzing large-volume marine samples.
  • Accurate monitoring of plutonium isotopes in marine environments is crucial for nuclear safety and environmental protection.

Purpose of the Study:

  • To develop a rapid, efficient, and reliable analytical method for plutonium determination in large-volume seawater samples.
  • To overcome the limitations of conventional coprecipitation techniques by reducing analysis time and labor.
  • To establish a versatile platform for emergency response and routine environmental monitoring of actinides in marine systems.

Main Methods:

  • Integration of microwave-assisted acid digestion, CaF2/LaF3 coprecipitation, and TEVA extraction chromatography with actinide-selective resin (AN-resin).
  • Optimization using seawater pre-equilibrated with 239Pu and 242Pu as internal tracers for efficient Pu separation and oxidation state maintenance.
  • Validation using 20 L seawater samples, achieving high recoveries and accuracy.

Main Results:

  • Achieved high recoveries (86.2 ± 4.4% for 239Pu, 90.5 ± 4.5% for 242Pu) with excellent analytical accuracy (96.7%) and precision (3.1% RSD).
  • Significantly reduced total pretreatment time to approximately 7 hours, including a 2-hour preconcentration step.
  • Established low detection limits (0.03-0.05 μBq/kg) and confirmed method robustness through interlaboratory comparisons and field application.

Conclusions:

  • The developed method offers a high-throughput, reliable alternative to conventional plutonium analysis in large-volume seawater.
  • It significantly reduces analysis time and labor while maintaining high accuracy and precision.
  • The method is suitable for emergency preparedness and routine environmental monitoring of plutonium and other actinides in marine ecosystems.