Fluorescence Reference Strip Calibration for Cross-Instrument Accuracy
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Solution Overview
Problem
Existing measurement systems using test strips experience variations in optical information due to differences in instruments, affecting measurement accuracy.
Innovation Solution
A determination system with a fluorescence determination element, light source, and control section that acquires calibration data and determines fluorescence information based on differences in instrument usage, using a fluorescence determination element with multiple fluorescent portions and a control section to correct measurement data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If optical measurement is performed using different instruments, then measurement coverage and versatility are improved, but measurement precision deteriorates due to instrument-induced variations in color tone and intensity
Solution Approach 1:
The patent introduces a fluorescence determination element as an intermediary standard between the light source and measurement system. This element contains multiple fluorescent portions with known characteristics that mediate the measurement process, allowing different instruments to reference the same standard and thereby maintain measurement precision across various devices
Solution Approach 2:
The system changes the measurement parameter from direct sample observation to observing the fluorescence determination element under standardized excitation. By controlling the excitation light parameters and measuring the fluorescence response of known portions, the system compensates for instrument variations and maintains accurate measurements across different devices
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 system corrects measurement data to account for instrument variations, ensuring consistent and accurate results across different devices.
Implementation Method 1
The fluorescence determination element has a predetermined plural number of fluorescent portions arranged at predetermined positions. The light source irradiates the fluorescence determination element with a single excitation light.
Data Source
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Figure 3A
AI summary
A determination system (10) including a fluorescence determination element (66), a light source (42), and a control section (100). The fluorescence determination element (66) has a predetermined plural number of fluorescent portions (66a to 66f) arranged at predetermined positions. The light source (42) irradiates the fluorescence determination element (66) with a single excitation light. The control section (100) includes an image acquisition unit (235) that acquires calibration data, which is image data from capturing the fluorescence determination element (66) irradiated by the light source (42), and a determination unit (245) that determines fluorescence information based on the calibration data.