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Related Concept Videos

Gas Chromatography: Types of Detectors-II01:19

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...

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Related Experiment Video

Updated: Jun 17, 2026

Electric Cell-Substrate Sensing for Real-Time Evaluation of Metal-Organic Framework Toxicological Profiles
04:53

Electric Cell-Substrate Sensing for Real-Time Evaluation of Metal-Organic Framework Toxicological Profiles

Published on: May 26, 2023

Metal-Organic Frameworks for Toxic Gas Sensing: From Molecular Engineering to Device Integration.

Samik Mallik1, Priyanka Rani1, Dipak K Goswami1,2

  • 1School of Nano Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.

ACS Applied Materials & Interfaces
|June 16, 2026
PubMed
Summary

Metal-organic frameworks (MOFs) are advanced materials for gas sensors. This review details MOF-based field-effect transistor (FET) sensors for detecting toxic industrial pollutants and chemical warfare agents.

Keywords:
Metal−organic frameworks (MOFs)chemical warfare agents (CWAs)industrial pollutantorganic field-effect transistors (OFETs)receptor integrationtoxic gas detection

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A Technical Guide for Performing Spectroscopic Measurements on Metal-Organic Frameworks
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A Technical Guide for Performing Spectroscopic Measurements on Metal-Organic Frameworks

Published on: April 28, 2023

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Last Updated: Jun 17, 2026

Electric Cell-Substrate Sensing for Real-Time Evaluation of Metal-Organic Framework Toxicological Profiles
04:53

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Published on: May 26, 2023

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Solvothermal Synthesis of MIL-96 and UiO-66-NH2 on Atomic Layer Deposited Metal Oxide Coatings on Fiber Mats

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A Technical Guide for Performing Spectroscopic Measurements on Metal-Organic Frameworks
10:13

A Technical Guide for Performing Spectroscopic Measurements on Metal-Organic Frameworks

Published on: April 28, 2023

Area of Science:

  • Materials Science
  • Chemical Engineering
  • Sensor Technology

Background:

  • Metal-organic frameworks (MOFs) offer tunable porosity, high surface area, and chemical versatility, making them promising for gas sensing.
  • There is a critical need for portable and selective sensors to detect industrial pollutants and chemical warfare agents.

Purpose of the Study:

  • To review the development of MOF films integrated with field-effect transistors (FETs), focusing on organic FETs (OFETs).
  • To connect molecular adsorption/diffusion processes to device-level charge transport and sensor response.
  • To outline design principles for MOF sensor development and discuss challenges and advances.

Main Methods:

  • Literature review of MOF film evolution and integration with FETs.
  • Analysis of molecular-level processes (adsorption, diffusion) and their impact on device performance.
  • Case studies (e.g., CPO-27-Ni OFETs for mustard simulants) to illustrate design principles.

Main Results:

  • MOF-FET sensors demonstrate potential for selective toxic gas detection.
  • Understanding molecular interactions is key to optimizing sensor response.
  • Advances include mixed-metal MOFs, hydrophobic modifications, and AI-guided discovery.

Conclusions:

  • MOF-semiconductor hybrids are crucial for next-generation toxic gas sensors.
  • Addressing challenges in conductivity, processability, and stability is essential for practical applications.
  • These sensors are vital for environmental, industrial, and defense applications.