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

Gas Chromatography: Types of Detectors-II01:19

Gas Chromatography: Types of Detectors-II

489
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...
489
Flame Photometry: Overview01:02

Flame Photometry: Overview

767
Flame photometry, also known as flame emission spectrometry, is a technique used for the qualitative and quantitative analysis of elements present in a sample using a flame as the source of excitation energy. The concept of flame photometry was realized in the early 1860s by Kirchhoff and Bunsen, who discovered that specific elements emit characteristic radiation when excited in flames. The first instrument developed for this purpose was used to measure sodium (Na) in plant ash using a Bunsen...
767
Flame Photometry: Lab01:16

Flame Photometry: Lab

347
In a flame photometer, when a solution like potassium chloride is aspirated into the flame, the solvent evaporates, leaving behind dehydrated salt. This salt dissociates into free gaseous atoms in their ground state. Some of these atoms absorb energy from the flame, leading to their excitation. The excited atoms return to the ground state, emitting photons at characteristic wavelengths. Because only electronic transitions are involved, the resulting emission lines are very narrow. The intensity...
347
Gas Chromatography: Types of Detectors-I01:21

Gas Chromatography: Types of Detectors-I

578
There are different types of detectors used in gas chromatography, each with its own specific properties that make it suitable for detecting certain types of analytes. The most commonly used detectors in GC are thermal conductivity detector (TCD), flame ionization detector (FID), and electron capture detector (ECD).
TCD is the earliest and most widely used detector that operates by measuring the changes in the thermal conductivity of the carrier gas. When a sample compound enters the detector,...
578
High-Performance Liquid Chromatography: Types of Detectors01:15

High-Performance Liquid Chromatography: Types of Detectors

736
The role of the detectors in High-Performance Liquid Chromatography (HPLC) is to analyze the solutes as they exit from the chromatographic column. The detector recognizes the solute's property and generates corresponding electrical signals, which are converted into a readable graph of the detector's response versus elution time called a chromatogram at the computer. There are several types of HPLC detectors, each with its own advantages and limitations, depending on the analyte...
736
Gas Chromatography: Overview of Detectors01:13

Gas Chromatography: Overview of Detectors

744
Detectors in gas chromatography (GC) help identify and quantify the components of a mixture by translating chemical properties into measurable signals, which are displayed on a chromatogram. Detectors can be categorized into two main types: destructive and non-destructive.
A non-destructive detector allows a sample to be analyzed without altering or consuming it, meaning the sample can be collected after detection for further analysis. Examples include thermal conductivity detectors and...
744

You might also read

Related Articles

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

Sort by
Same author

Multicolor STED imaging of cells and extracellular vesicles using xanthene-conjugated polymer dots.

Journal of materials chemistry. B·2026
Same author

A New Method to Enhance Electrochemiluminescence of Imine-Based Covalent Organic Frameworks.

Journal of the American Chemical Society·2025
Same author

Multifunctional DNA Nanonets for a Novel Self-Powered Biosensor.

ACS sensors·2025
Same author

Highly Emissive BODIPY-Grafted Polymer Dots for Cellular and Tissular STED Imaging.

Precision chemistry·2025
Same author

Endogenous Electric Fields: A Natural Driver for Infrared-Activated Transparent Electronic Skin in Wound Healing.

Nano letters·2025
Same author

Multifunctional PTCA/GO for a Glucose-Driven Electrochemiluminescence Biosensor.

Nano letters·2025

Related Experiment Video

Updated: Aug 31, 2025

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing
10:42

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

6.3K

A Dual-Function Sensor for Highly Sensitive Detection of Flame and Humidity.

Zuocai Zhang1, Tianyun Lu1,2, Dan Yang3

  • 1Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of Material Science and Engineering, College of Chemistry and Chemical Engineering, College of Biology, Hunan University, Changsha, 410082, P. R. China.

Small (Weinheim an Der Bergstrasse, Germany)
|August 20, 2022
PubMed
Summary

This study introduces a novel dual-functional sensor using sustainable biological films (MSCG films) for rapid fire detection and humidity monitoring. These advanced sensors offer quick response times, enhancing safety in complex environments and enabling integration into portable electronics.

Keywords:
dual-function flame and humidity sensorshighly sensitivereadable sensorsreversibility

More Related Videos

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
09:03

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

7.2K
Combustion Characterization and Model Fuel Development for Micro-tubular Flame-assisted Fuel Cells
08:16

Combustion Characterization and Model Fuel Development for Micro-tubular Flame-assisted Fuel Cells

Published on: October 2, 2016

9.7K

Related Experiment Videos

Last Updated: Aug 31, 2025

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing
10:42

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

6.3K
A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
09:03

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

7.2K
Combustion Characterization and Model Fuel Development for Micro-tubular Flame-assisted Fuel Cells
08:16

Combustion Characterization and Model Fuel Development for Micro-tubular Flame-assisted Fuel Cells

Published on: October 2, 2016

9.7K

Area of Science:

  • Materials Science
  • Sensor Technology
  • Environmental Monitoring

Background:

  • Early warning sensors are critical for mitigating natural disasters like fires and floods.
  • Existing sensors often lack the sensitivity, speed, or durability required for complex, harsh environments.
  • Sustainable materials offer a promising avenue for developing advanced sensor technologies.

Purpose of the Study:

  • To design and develop a highly sensitive, readable, and dual-functional sensor for fast fire alarm and rapid humidity detection.
  • To utilize sustainable biological films (MSCG films) for sensor fabrication.
  • To evaluate the sensor's performance in terms of response time, stability, and applicability in diverse environmental conditions.

Main Methods:

  • Fabrication of MSCG films using grafted sisal nanofibers (MgC), silk nanofibers, graphene, and citric acid (CA).
  • Crosslinking the MSCG films with CA to enhance wet strength and thermal stability.
  • Testing the sensor's response to fire ignition (carbonization) and its temperature and humidity sensing capabilities.
  • Assembling the sensor into a versatile system for real-time monitoring.

Main Results:

  • MSCG films demonstrated excellent wet strength (128.8 MPa) after soaking in 100 °C water, indicating suitability for humid environments.
  • The dual-functional sensor achieved a rapid fire response time of 1 second, activating an alarm.
  • Ultrafast temperature response/recovery times (0.1 s/0.3 s) and a rapid humidity response time (0.9 s) were recorded.
  • The sensor system proved effective for real-time monitoring of fire and humidity.

Conclusions:

  • The developed MSCG-based dual-functional sensor offers a sustainable and high-performance solution for early warning systems.
  • Its rapid response times and durability make it suitable for critical applications in fire safety and environmental monitoring.
  • The sensor's potential for integration into consumer electronics opens new possibilities for ubiquitous environmental sensing.