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The Motivation for Alcohol Reward: Predictors of Progressive-Ratio Intravenous Alcohol Self-Administration in Humans

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Development of the DADSS* Breath Alcohol Sensor System for Automobiles: Technical Design and Human Participant

Kianna Pirooz¹, Timothy Allen¹, Rebecca Spicer²

¹KEA Technologies Inc., 1 Monarch Drive Suite 100, Littleton, MA 01640, USA.

Sensors (Basel, Switzerland)

|May 13, 2026

Summary

A new contactless breath alcohol sensor system, the Driver Alcohol Detection System for Safety (DADSS), shows strong correlation with blood alcohol content. This technology could significantly reduce drunk driving incidents by integrating sensors into all vehicles.

Keywords:

BAC BrAC alcohol automobile drunk driving ethanol human impairment

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Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Published on: February 6, 2019

Area of Science:

Public Health
Biomedical Engineering
Analytical Chemistry

Background:

Alcohol-related traffic fatalities remain a significant global public health issue.
Current ignition interlock devices are reactive, only used after a Driving Under the Influence (DUI) conviction.
A proactive, integrated solution is needed to prevent drunk driving before it occurs.

Purpose of the Study:

To develop and validate a novel, contactless breath alcohol sensor system for integration into vehicles.
To assess the accuracy and reliability of the Driver Alcohol Detection System for Safety (DADSS) in measuring breath alcohol concentration.
To evaluate the potential of the DADSS system in reducing drunk driving.

Main Methods:

Utilized mid-infrared spectroscopy to concurrently measure alcohol and carbon dioxide (CO2) in breath samples.
Developed a contactless system that does not require forced exhalation.
Validated the DADSS system in a laboratory setting with 70 volunteers, collecting simultaneous breath and blood samples across various alcohol doses.

Main Results:

The DADSS system demonstrated a strong correlation with blood alcohol concentration (BAC) measurements.
Achieved an overall Pearson correlation coefficient of 0.8875 across a wide alcohol concentration range (0-220 mg/dL).
The contactless method proved effective in accurately quantifying diluted breath alcohol samples.

Conclusions:

The DADSS breath alcohol sensor system shows high accuracy and reliability for real-time monitoring.
Integration of the DADSS system into vehicles offers a promising technological solution to prevent drunk driving.
This technology has the potential to significantly enhance road safety and reduce alcohol-related traffic incidents.