Transdermal Biosensor Using Nanocellulose and Enzyme
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional electronic-based alcohol sensing devices are prone to errors, expensive to produce, and have environmental impacts due to manufacturing processes, while they also raise concerns about data privacy and material waste.
Innovation Solution
A biodegradable transdermal biosensor using nanocellulose, an enzyme like alcohol oxidase, and a luminescent material that reacts to ethanol vapor or liquid, eliminating the need for electronic circuitry and providing a visible indication of blood alcohol concentration without requiring electronic detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electronic-based alcohol sensing devices are used, then alcohol consumption can be monitored, but the devices are prone to errors, expensive to produce, and have environmental impacts
Solution Approach 1:
The patent replaces electronic-based sensing systems with a chemical-biological system. The biosensor uses an enzyme (alcohol oxidase) that chemically reacts with ethanol to produce hydrogen peroxide, which then triggers a luminescent reaction. This substitution eliminates electronic circuitry, sensors, and associated manufacturing complexity while improving reliability through specific biochemical reactions that are less prone to environmental interference and errors.
Solution Approach 2:
The biosensor is designed as a disposable, single-use device with a simple structure that can be mass-produced at low cost. The housing contains pre-loaded enzyme and luminescent materials that are discarded after one use, eliminating the need for expensive, complex electronic components that require maintenance, calibration, and quality control. This approach significantly reduces manufacturing costs while ensuring consistent performance.
2Reliability
If electronic-based alcohol sensing devices are used, then alcohol consumption can be monitored, but manufacturing processes negatively impact the environment
Solution Approach 1:
The patent replaces electronic-based sensing systems with a chemical-biological system. The biosensor uses an enzyme (alcohol oxidase) that chemically reacts with ethanol to produce hydrogen peroxide, which then triggers a luminescent reaction. This substitution eliminates electronic circuitry, sensors, and associated manufacturing complexity while improving reliability through specific biochemical reactions that are less prone to environmental interference and errors.
Solution Approach 2:
The biosensor is designed as a disposable, single-use device with a simple structure that can be mass-produced at low cost. The housing contains pre-loaded enzyme and luminescent materials that are discarded after one use, eliminating the need for expensive, complex electronic components that require maintenance, calibration, and quality control. This approach significantly reduces manufacturing costs while ensuring consistent performance.
3Reliability
If electronic-based alcohol sensing devices are used, then alcohol consumption can be monitored, but data privacy concerns arise
Solution Approach 1:
The patent replaces electronic-based sensing systems with a chemical-biological system. The biosensor uses an enzyme (alcohol oxidase) that chemically reacts with ethanol to produce hydrogen peroxide, which then triggers a luminescent reaction. This substitution eliminates electronic circuitry, sensors, and associated manufacturing complexity while improving reliability through specific biochemical reactions that are less prone to environmental interference and errors.
Solution Approach 2:
The biosensor is designed as a disposable, single-use device with a simple structure that can be mass-produced at low cost. The housing contains pre-loaded enzyme and luminescent materials that are discarded after one use, eliminating the need for expensive, complex electronic components that require maintenance, calibration, and quality control. This approach significantly reduces manufacturing costs while ensuring consistent performance.
4Object-generated harmful factors
If a biodegradable biosensor is used, then environmental pollution is reduced, but the device must be simple in structure
Solution Approach 1:
The biosensor employs a composite material structure where nanocellulose serves as the housing material, providing both structural integrity and biodegradability. The nanocellulose matrix encapsulates the enzyme and luminescent materials, creating a unified composite that degrades environmentally friendly while maintaining functional complexity through the integrated biochemical reaction system.
Solution Approach 2:
The nanocellulose housing material provides a porous structure that allows ethanol vapor to diffuse into the biosensor while maintaining structural integrity. The porous nature of nanocellulose enables gas permeability for the target analyte while providing a framework that can encapsulate and protect the enzyme and luminescent materials, achieving both simplicity and functional complexity.
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 biosensor effectively and accurately monitors alcohol consumption, reducing environmental pollution, material waste, and privacy concerns by providing a discreet, cost-effective, and reliable means to prevent drunk driving and promote responsible drinking.
Implementation Method 1
an enzyme entrapped within the nanocellulose material that produces a chemical or biological product when exposed to a vapor or liquid
Implementation Method 2
the chemical or biological product of the reaction with the enzyme comprises hydrogen peroxide
Implementation Method 3
the luminescent material comprises an oxalate and a fluorophore, wherein the resulting luminescent material is a chemiluminescent or bioluminescent material
Implementation Method 4
the luminescent material comprises an oxalate and a fluorophore, wherein the resulting luminescent material is a chemiluminescent or bioluminescent material
Implementation Method 5
the nanocellulose material comprises bacterial nanocellulose. In some implementations, the bacterial nanocellulose immobilizes the enzyme within the bacterial nanocellulose
Implementation Method 6
the recessed portion is configured to capture the vapor or liquid evaporating from the skin surface of the wearer
Data Source
AI summary
The disclosed technology includes device, systems, and methods for detecting an analyte using a biosensor. In some implementations, the biosensor may be a transdermal biosensor including a housing material, a nanocellulose material disposed within the housing material, an enzyme entrapped within the nanocellulose material that produces a chemical or biological product when exposed to a vapor or liquid, and a luminescent material within the nanocellulose material that emits visible light upon a chemical or biological reaction with the chemical or biological product.