Antioxidant Sensor Multi-Wavelength Signal Normalization
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Solution Overview
Problem
Current methods lack a non-invasive and efficient way to determine antioxidant levels in the body, which is crucial for maintaining health against oxidative stress-related diseases.
Innovation Solution
An antioxidant sensor system that uses multiple light sources emitting different wavelengths to measure hemoglobin and antioxidant signals, with a processor normalizing and preprocessing these signals to determine antioxidant levels and provide guidance for increasing antioxidant intake.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple light sources with different wavelengths are used to measure both hemoglobin and antioxidant signals, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple light sources (first light source for hemoglobin measurement, second light source for baseline measurement, third light source for antioxidant measurement) into a single integrated sensor device. This merging approach enables simultaneous acquisition of multiple signals needed for accurate antioxidant level determination while maintaining a unified device structure rather than separate measurement systems
Solution Approach 2:
The sensor device performs multiple functions using different wavelength light sources: the first light source measures hemoglobin concentration, the second light source provides baseline signal for normalization, and the third light source measures antioxidant levels. This multi-functionality allows the single device to comprehensively assess both hemoglobin and antioxidant parameters, improving overall measurement precision
2Measurement precision
If signal normalization and preprocessing are performed to eliminate hemoglobin interference, then measurement precision is improved, but processing complexity increases
Solution Approach 1:
The patent performs preliminary signal processing by acquiring a baseline signal using the second light source before measuring the antioxidant signal. This baseline signal is used to normalize subsequent measurements, preemptively eliminating interference from hemoglobin and other factors. The normalization process (subtracting or dividing by the baseline signal) prepares the data in advance for more accurate antioxidant level determination
Solution Approach 2:
The signal processing algorithm extracts and removes the hemoglobin interference component from the antioxidant signal by using the baseline signal obtained from the second light source. By separating and eliminating this interfering component, the system isolates the pure antioxidant signal for accurate measurement, effectively taking out the harmful interference
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
Enables non-invasive, accurate determination of antioxidant levels, guiding users to enhance their antioxidant intake and potentially prevent oxidative stress-related diseases.
Implementation Method 1
a light receiver configured to receive light reflected or scattered from the object
Implementation Method 2
a light receiver configured to receive light reflected or scattered from the object
Data Source
AI summary
An antioxidant sensor includes a first light source configured to emit light having a first wavelength onto an object; a second light source configured to emit light having a second wavelength onto the object; a third light source configured to emit light having a third wavelength onto the object, the first wavelength, the second wavelength, and the third wavelength being different from each other; a light receiver configured to receive light reflected or scattered from the object; and a processor configured to obtain a hemoglobin index by driving the first light source and the second light source, and to obtain an antioxidant signal of the object by driving the third light source based on the obtained hemoglobin index satisfying a condition.