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

Publisher Correction: Chemical efflux imaging using an annular nanosensor array for in situ bladder cancer detection.

Nature nanotechnology·2026
Same author

Toward autonomous robotic-assisted and microrobotic surgery.

Science advances·2026
Same author

Ambient stability and surface adhesion of 2D polyaramid nanofilms.

Faraday discussions·2026
Same author

Structural, Compositional, and Dielectric State Profiling in Label-Free Single-Cell Monitoring.

Small methods·2026
Same author

Chemical efflux imaging using an annular nanosensor array for in situ bladder cancer detection.

Nature nanotechnology·2026
Same author

DNA Assembly Templated by Chiral Nanotube Lattices: From Helix to Rings.

Journal of the American Chemical Society·2026

Related Experiment Video

Updated: Jul 12, 2025

Engineering Molecular Recognition with Bio-mimetic Polymers on Single Walled Carbon Nanotubes
09:28

Engineering Molecular Recognition with Bio-mimetic Polymers on Single Walled Carbon Nanotubes

Published on: January 10, 2017

8.2K

Single-Molecule Methane Sensing Using Palladium-Functionalized nIR Fluorescent Single-Walled Carbon Nanotubes.

Xun Gong1, Seon-Yeong Kwak2, Soo-Yeon Cho3

  • 1Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.

ACS Sensors
|October 24, 2023
PubMed
Summary
This summary is machine-generated.

Researchers developed new nanosensors using DNA-wrapped carbon nanotubes to detect methane (CH4) at low concentrations. This advancement offers a sensitive method for environmental methane monitoring with a detection limit of 0.7 ppb.

Keywords:
CH4SWCNT conjugationpalladium nanoparticlesensorsingle-walled carbon nanotubes

More Related Videos

Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering
09:12

Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering

Published on: June 1, 2016

9.2K
Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions
12:20

Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions

Published on: July 22, 2013

18.3K

Related Experiment Videos

Last Updated: Jul 12, 2025

Engineering Molecular Recognition with Bio-mimetic Polymers on Single Walled Carbon Nanotubes
09:28

Engineering Molecular Recognition with Bio-mimetic Polymers on Single Walled Carbon Nanotubes

Published on: January 10, 2017

8.2K
Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering
09:12

Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering

Published on: June 1, 2016

9.2K
Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions
12:20

Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions

Published on: July 22, 2013

18.3K

Area of Science:

  • Environmental Science
  • Materials Science
  • Nanotechnology

Background:

  • Methane (CH4) is a potent greenhouse gas, driving interest in sensitive detection methods.
  • Nanosensor technology, especially fluorescent single-walled carbon nanotube (SWCNT) arrays, shows promise for single-molecule detection limits.
  • Developing robust methods to interpret sensor signals from gas interactions is crucial.

Purpose of the Study:

  • To synthesize and characterize novel single-molecule sensors for methane detection.
  • To investigate the use of Pd-conjugated DNA-wrapped SWCNTs for CH4 sensing.
  • To advance computational methods for analyzing sensor fluctuations.

Main Methods:

  • Synthesis of Pd-conjugated ss(GT)15-DNA-wrapped SWCNTs as near-infrared (nIR) fluorescent sensors.
  • Characterization using X-ray photoelectron spectroscopy (XPS) and spectrophotometry.
  • Analysis of nIR fluctuations upon exposure to 8-26 ppb CH4, separating high- and low-frequency components.

Main Results:

  • Demonstrated spectral changes indicating Pd oxidation state transitions.
  • Successfully detected CH4 in the ppb range using nIR fluorescence fluctuations.
  • Achieved a consistent detection limit of 0.7 ppb by aggregating low-frequency components from sensor arrays.

Conclusions:

  • Developed effective Pd-conjugated DNA-SWCNT sensors for CH4.
  • Established a method for analyzing sensor data to achieve low detection limits.
  • Advanced the potential for environmental methane sensing using nanosensor technology.