Fluorescent Opioid Detection Probe for Rapid Field Screening
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Solution Overview
Problem
Current methods for detecting opioid contamination, such as immunoassays and wipe tests, are inadequate for rapid identification of large-area contamination and suffer from limitations in sensitivity, reproducibility, and efficacy, particularly in field settings where immediate real-time detection is necessary.
Innovation Solution
A fluorescent dye molecule that emits light in the presence of opioid analytes, allowing for immediate detection without the need for washing or removal of unbound species, using UV light to stimulate fluorescence and provide a dose-dependent measure of opioid concentration, even in the presence of interfering substances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If immunoassays and wipe tests are used for opioid detection, then detection capability is provided, but sensitivity and reproducibility are insufficient for rapid field identification
Solution Approach 1:
The patent replaces complex mechanical immunoassay systems with a simplified fluorescent probe system that uses UV light excitation and fluorescence emission detection, enabling rapid field-based opioid detection without requiring incubation or washing steps
Solution Approach 2:
The invention changes the detection parameter from signal intensity measurement in immunoassays to fluorescence emission wavelength and intensity measurement, providing both rapid detection and high sensitivity through fluorescent probe binding to opioid molecules
2Area of stationary object
If conventional detection methods are used, then opioid screening is possible, but they cannot identify large-area contamination and require complex laboratory infrastructure
Solution Approach 1:
The patent extracts the detection function from complex laboratory infrastructure and concentrates it into a portable fluorescent probe system that can be applied directly to surfaces, enabling field-based detection of large-area contamination
Solution Approach 2:
The fluorescent probe system is self-contained and requires no external laboratory equipment - the UV light source and fluorescence detection can be performed portably, making the system self-sufficient for field operations
3Reliability
If washing steps are included in the detection process, then unbound species are removed, but detection time is extended and field applicability is reduced
Solution Approach 1:
The invention extracts and eliminates the washing step from the detection protocol by using fluorescent probes that bind specifically to opioid molecules, allowing direct detection without removing unbound species through washing
Solution Approach 2:
The patent skips the time-consuming washing and incubation steps of conventional immunoassays, providing rapid detection through immediate fluorescence emission upon UV light excitation
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enables high sensitivity and real-time detection of opioids like fentanyl, morphine, and cocaine on surfaces or in samples, meeting government and law enforcement thresholds, with the ability to distinguish between opioid compounds and interfering substances.
Implementation Method 1
A fluorescent dye molecule that emits light in the presence of opioid analytes, allowing for immediate detection without the need for washing or removal of unbound species, using UV light to stimulate fluorescence
Implementation Method 2
adding a composition comprising a photochromic dye to a sample having an opioid compound to form a reacted product; illuminating an electromagnetic ray having a wavelength between about 100 nm to about 600 nm on the photochromic dye
Data Source
AI summary
In an embodiment, a method comprising: adding a composition comprising a photochromic dye to a sample having an opioid compound to form a reacted product; illuminating an electromagnetic ray having a wavelength between about 100 nm to about 600 nm on the photochromic dye; and detecting the opioid compound in the sample.