Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Microbial Biosensors

Microbial Biosensors

Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...

Gas Chromatography: Types of Detectors-II

Gas Chromatography: Types of Detectors-II

In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...

You might also read

Related Articles

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

Sort by

Same author

Restricted accessed material-copper(II) ion imprinted polymer solid phase extraction combined with inductively coupled plasma-optical emission spectrometry for the determination of free Cu(II) in urine and serum samples.

Talanta·2013

Same author

Spin radical enhanced magnetocapacitance effect in intermolecular excited states.

The journal of physical chemistry. B·2013

Same author

Recent developments in stir bar sorptive extraction.

Analytical and bioanalytical chemistry·2013

Same author

Discovery of MK-8742: an HCV NS5A inhibitor with broad genotype activity.

ChemMedChem·2013

Same author

Magnetic polycarbonate microspheres for tumor-targeted delivery of tumor necrosis factor.

Drug delivery·2013

Same author

A study on validity of cortical alpha connectivity for schizophrenia.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2013

Search research articles

Related Experiment Video

Updated: Jun 12, 2026

Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO2-Ag Nanowires Made by Templated Electrodeposition

Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO₂-Ag Nanowires Made by Templated Electrodeposition

Published on: May 2, 2014

Single beta-AgVO3 nanowire H2S sensor.

Liqiang Mai¹, Lin Xu, Qian Gao

¹State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, China. mlq@cmliris.harvard.edu

|May 28, 2010

Summary

This summary is machine-generated.

This study details the electrical properties and hydrogen sulfide (H2S) gas sensing capabilities of a single beta-AgVO(3) nanowire. The novel material demonstrates threshold switching and effective H2S detection with rapid response and recovery times.

More Related Videos

Preparation of Silicon Nanowire Field-effect Transistor for Chemical and Biosensing Applications

Preparation of Silicon Nanowire Field-effect Transistor for Chemical and Biosensing Applications

Published on: April 21, 2016

A Polyaniline-based Sensor of Nucleic Acids

A Polyaniline-based Sensor of Nucleic Acids

Published on: November 1, 2016

Related Experiment Videos

Last Updated: Jun 12, 2026

Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO2-Ag Nanowires Made by Templated Electrodeposition

Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO₂-Ag Nanowires Made by Templated Electrodeposition

Published on: May 2, 2014

Preparation of Silicon Nanowire Field-effect Transistor for Chemical and Biosensing Applications

Preparation of Silicon Nanowire Field-effect Transistor for Chemical and Biosensing Applications

Published on: April 21, 2016

A Polyaniline-based Sensor of Nucleic Acids

A Polyaniline-based Sensor of Nucleic Acids

Published on: November 1, 2016

Area of Science:

Materials Science
Nanotechnology
Chemical Sensing

Background:

Silver vanadate (AgVO3) is a promising material for electronic applications.
Understanding the electrical transport properties of nanomaterials is crucial for device development.
Hydrogen sulfide (H2S) is a toxic gas requiring sensitive detection methods.

Purpose of the Study:

To investigate the electrical transport characteristics of individual beta-AgVO(3) nanowires.
To evaluate the H2S sensing performance of beta-AgVO(3) nanowire-based devices.
To explore the potential of beta-AgVO(3) as a sensing material for H2S gas.

Main Methods:

beta-AgVO(3) nanowires were synthesized using ultrasonic treatment and hydrothermal reactions.
Single nanowire devices were fabricated for electrical transport measurements.
H2S gas sensing properties were tested at various concentrations.

Main Results:

The beta-AgVO(3) nanowire exhibited a distinct "threshold switching" phenomenon.
High bias was required to transition the nanowire from a nonconductive to a conductive state, potentially due to nanoscale silver formation.
The material demonstrated effective H2S sensing with response and recovery times under 20 seconds.
Good selectivity and a low response concentration of 50 ppm were observed.

Conclusions:

Single beta-AgVO(3) nanowires display unique electrical switching behavior.
beta-AgVO(3) is a promising nanomaterial for sensitive and rapid H2S gas detection.
The observed threshold switching mechanism warrants further investigation for potential applications.