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

You might also read

Related Articles

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

Sort by
Same author

Clinical Performance of International and Korean Genetic Testing Criteria for Hereditary Breast Cancer: A Large-Scale Cohort Analysis of 2,188 Individuals.

Journal of breast cancer·2026
Same author

Synergistic effects of family members as caregivers after acute hemorrhagic stroke in Jeju: a preliminary cohort study in Jeju, Korea.

BMC neurology·2026
Same author

Corrigendum to "Electrochemical and quantum chemical investigation on the adsorption behavior of a schiff base and its metal complex for corrosion protection of mild steel in 15 wt% HCl solution" [Heliyon Volume 10, Issue 23, December 2024, Article e40662].

Heliyon·2025
Same author

Impact of a 24-Week Mobile App-Based Human Coaching Program on Body Composition and Lipid Metabolism in Breast Cancer Survivors With Overweight or Obesity: Single-Arm Prospective Cohort Study.

JMIR mHealth and uHealth·2025
Same author

Chirality-Induced Suppression of Singlet Oxygen in Lithium-Oxygen Batteries with Extended Cycle Life.

Nano-micro letters·2025
Same author

Plasmon-Driven Reorientation of Interfacial Water for Wastewater Electrolysis with Light-Emitting Diode Illumination.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025

Related Experiment Video

Updated: May 10, 2026

Preparation of Functional Silica Using a Bioinspired Method
08:04

Preparation of Functional Silica Using a Bioinspired Method

Published on: August 1, 2018

Cu²⁺ sequestration by amine-functionalized silica nanotubes.

Young Gun Ko1, Hyun Jeong Lee, Hyun Chul Oh

  • 1Center for Urban Energy Systems, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 136-791, Republic of Korea.

Journal of Hazardous Materials
|July 2, 2013
PubMed
Summary

Amine-functionalized double-walled silica nanotubes (DWSNTs) effectively sequester copper ions (Cu2+) from aqueous solutions. This novel method combines adsorption and precipitation, forming copper hydroxide crystals on DWSNTs for superior heavy metal removal.

Keywords:
AdsorbentAmine typeAminosilaneCu(II) ion sequestrationDouble-walled silica nanotubes

More Related Videos

A Synthetic Methodology for Preparing Impregnated and Grafted Amine-Based Silica Composites for Carbon Capture
08:00

A Synthetic Methodology for Preparing Impregnated and Grafted Amine-Based Silica Composites for Carbon Capture

Published on: September 29, 2023

Imine Metathesis by Silica-Supported Catalysts Using the Methodology of Surface Organometallic Chemistry
09:37

Imine Metathesis by Silica-Supported Catalysts Using the Methodology of Surface Organometallic Chemistry

Published on: October 18, 2019

Related Experiment Videos

Last Updated: May 10, 2026

Preparation of Functional Silica Using a Bioinspired Method
08:04

Preparation of Functional Silica Using a Bioinspired Method

Published on: August 1, 2018

A Synthetic Methodology for Preparing Impregnated and Grafted Amine-Based Silica Composites for Carbon Capture
08:00

A Synthetic Methodology for Preparing Impregnated and Grafted Amine-Based Silica Composites for Carbon Capture

Published on: September 29, 2023

Imine Metathesis by Silica-Supported Catalysts Using the Methodology of Surface Organometallic Chemistry
09:37

Imine Metathesis by Silica-Supported Catalysts Using the Methodology of Surface Organometallic Chemistry

Published on: October 18, 2019

Area of Science:

  • Materials Science
  • Environmental Chemistry
  • Nanotechnology

Background:

  • Copper ion (Cu2+) contamination in aqueous solutions poses environmental and health risks.
  • Existing methods for Cu2+ removal often face limitations in efficiency and selectivity.
  • Nanomaterials offer unique properties for developing advanced remediation technologies.

Purpose of the Study:

  • To develop a novel and efficient method for Cu2+ sequestration from aqueous solutions.
  • To investigate the use of amine-functionalized double-walled silica nanotubes (DWSNTs) for heavy metal removal.
  • To elucidate the mechanism of Cu2+ adsorption and subsequent crystallization on DWSNTs.

Main Methods:

  • Synthesis of amine-functionalized DWSNTs with varying amine functionalities (primary, secondary, tertiary, di-, tri-amines).
  • Combined adsorption and precipitation approach for Cu2+ removal from aqueous solutions.
  • Characterization of functionalized DWSNTs and adsorbed species using FT-IR, FEG-SEM, HR-TEM, and XRD.

Main Results:

  • Amine-functionalized DWSNTs demonstrated significant Cu2+ sequestration capacity.
  • The adsorption capacity followed the order: tri-amine > di-amine > primary amine > secondary amine > tertiary amine.
  • Cu2+ ions were effectively converted into Cu(OH)2 crystals on the DWSNT surface, enhancing sequestration.

Conclusions:

  • Amine-functionalized DWSNTs provide a superior method for Cu2+ sequestration through a combined adsorption-crystallization mechanism.
  • The developed technique shows promise for efficient heavy metal removal from contaminated water.
  • This approach has potential applications in nanoparticle synthesis and as a metal catalyst supporter.