ArticleSensors (Basel, Switzerland)2019
Molecularly Imprinted Sol-Gel for TNT Detection with Optical Micro-Ring Resonator Sensor Chips.
Article in Sensors (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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Who cites it
5 citing papers in PubMed, 14 citations in OpenAlex.
- Sensitive Detection of Trace Explosives by a Self-Assembled Monolayer Sensor.Micromachines · 2023Article
- Interpol review of the analysis and detection of explosives and explosives residues.Forensic science international. Synergy · 2023Review
- Biofunctionalization of Multiplexed Silicon Photonic Biosensors.Biosensors · 2022Review
- Thermo-Optical Tuning Cascaded Double Ring Sensor with Large Measurement Range.Sensors (Basel, Switzerland) · 2020Article
- Molecular Imprinted Polymers Coupled to Photonic Structures in Biosensors: The State of Art.Sensors (Basel, Switzerland) · 2020Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A sensor for trinitrotoluene (TNT) detection was developed by using a combination of optical micro-ring technology and a receptor coating based on molecularly imprinted sol-gel layers. Two techniques for deposition of receptor layers were compared: Airbrush technology and electrospray ionization. A concentration of less than 5 ppb for TNT in the gas-phase, using electrospray deposition of the receptor layer, was detected. The cross-sensitivities to organic substances and further nitro-based explosives were compared. As a result, the sensitivity to TNT is about one order of magnitude higher in comparison to the explosives 2,4-dinitrotoluene (DNT) or 1,3-dinitrobenzene (DNB) and about four orders of magnitude higher than the organic substances phenol, ethanol, and acetone. The signal response of the sensor is fast, and the compact sensor design enables the deposition of different receptor layers on multiple optical micro-rings on one chip, which allows a more precise analysis and reduction of side effects and false alarms.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.