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

IR Frequency Region: Fingerprint Region01:03

IR Frequency Region: Fingerprint Region

1.7K
IR spectra are divided into two main regions: the diagnostic region and the fingerprint region. The diagnostic region of the spectrum lies above 1500 cm−1. The absorptions resulting from single-bond vibrations of the N–H, C–H, and O–H stretch at higher wavenumbers and appear on the left side of the spectrum. The stretching absorptions of the C≡C and C≡N occur between 2100–2300 cm−1. In contrast, those arising from stretching absorptions of the...
1.7K
Olfaction01:25

Olfaction

47.7K
The sense of smell is achieved through the activities of the olfactory system. It starts when an airborne odorant enters the nasal cavity and reaches olfactory epithelium (OE). The OE is protected by a thin layer of mucus, which also serves the purpose of dissolving more complex compounds into simpler chemical odorants. The size of the OE and the density of sensory neurons varies among species; in humans, the OE is only about 9-10 cm2.
The olfactory receptors are embedded in the cilia of the...
47.7K
¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)01:20

¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)

1.5K
When proton-coupled carbon-13 spectra are simplified by a broadband proton decoupling technique, structural information about the coupled protons is lost. Distortionless enhancement by polarization transfer (DEPT) is a technique that provides information on the number of hydrogens attached to each carbon in a molecule. While the DEPT experiment utilizes complex pulse sequences, the pulse delay and flip angle are specifically manipulated. The resulting signals have different phases depending on...
1.5K

You might also read

Related Articles

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

Sort by
Same author

Switching from insertion to conversion for multielectron aqueous vanadium batteries.

Nature materials·2026
Same author

Targeting microglial circMBNL1 unlocks a novel nanomedicine therapeutic strategy for major depressive disorder.

Journal of nanobiotechnology·2026
Same author

Latest Insights and New Horizons: Recent Advances on Metal-Organic Framework-Driven Sensors for Rapid Early Warning of Mycotoxins in Foods.

Journal of agricultural and food chemistry·2026
Same author

Global, regional, and national incidence, mortality, DALY, and prevalence rates of orofacial clefts in children and adolescents from 1990 to 2021, with predictions to 2050.

Archives of medical science : AMS·2026
Same author

Determination of HOMO-LUMO Energy Levels of Carbon Dots via Electron Transfer Kinetics and Marcus Theory.

Molecules (Basel, Switzerland)·2026
Same author

Towards a unified molecular mechanism for ligand-dependent activation of NR4A-RXR heterodimers.

eLife·2026

Related Experiment Video

Updated: Dec 12, 2025

Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography
10:14

Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography

Published on: September 2, 2020

5.3K

Ternary Fingerprints with Reference Odor for Fluctuation-Enhanced Sensing.

Xiaoyu Yu1,2, Laszlo B Kish3, Jean-Luc Seguin4

  • 1Department of Biological and Agricultural Engineering, Texas A&M University, College Station, TX 77843-2117, USA.

Biosensors
|August 14, 2020
PubMed
Summary
This summary is machine-generated.

This study introduces an improved fluctuation-enhanced sensing (FES) method using ternary fingerprinting with a reference odor. This enhances information entropy for more sensitive and accurate odor detection, as demonstrated in bacterial odor analysis.

Keywords:
cow manure bacteriafluctuation enhanced sensingodor sensing, trinary fingerprints

More Related Videos

Real-time In Vitro Monitoring of Odorant Receptor Activation by an Odorant in the Vapor Phase
09:53

Real-time In Vitro Monitoring of Odorant Receptor Activation by an Odorant in the Vapor Phase

Published on: April 23, 2019

7.4K
Controlled Odor Mimic Permeation Systems for Olfactory Training and Field Testing
05:54

Controlled Odor Mimic Permeation Systems for Olfactory Training and Field Testing

Published on: January 28, 2021

4.9K

Related Experiment Videos

Last Updated: Dec 12, 2025

Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography
10:14

Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography

Published on: September 2, 2020

5.3K
Real-time In Vitro Monitoring of Odorant Receptor Activation by an Odorant in the Vapor Phase
09:53

Real-time In Vitro Monitoring of Odorant Receptor Activation by an Odorant in the Vapor Phase

Published on: April 23, 2019

7.4K
Controlled Odor Mimic Permeation Systems for Olfactory Training and Field Testing
05:54

Controlled Odor Mimic Permeation Systems for Olfactory Training and Field Testing

Published on: January 28, 2021

4.9K

Area of Science:

  • Analytical Chemistry
  • Sensor Technology
  • Biotechnology

Background:

  • Traditional fluctuation-enhanced sensing (FES) relies on binary fingerprinting with ±1 values.
  • Existing methods may lack the sensitivity and information richness for complex odor analysis.
  • Odor sensing is crucial for environmental monitoring and diagnostics.

Purpose of the Study:

  • To introduce an improved method for fluctuation-enhanced sensing (FES).
  • To enhance the information entropy of sensor fingerprints for increased sensitivity.
  • To demonstrate the utility of the improved method in analyzing bacterial odors.

Main Methods:

  • Developed a ternary fingerprinting method for FES, expanding from binary (±1) to ternary (-1, 0, +1) values.
  • Incorporated a reference odor spectrum to establish a relative baseline for fingerprinting.
  • The '0' value in the ternary system signifies spectral slope similarity to the reference odor.

Main Results:

  • The ternary fingerprinting method, utilizing a reference odor, significantly increases information entropy.
  • This enhancement allows for more nuanced and informative sensor responses.
  • The method was successfully applied to differentiate bacterial odors in cow manure isolates.

Conclusions:

  • The novel ternary fingerprinting approach offers improved performance for fluctuation-enhanced sensing.
  • Relative referencing enhances the discriminative power of sensor fingerprints.
  • This advanced FES technique shows promise for sensitive and specific odor detection applications.