Sensor Chip with Receptor Protein Complexes for Bioactive Agent Detection
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Solution Overview
Problem
Conventional environmental monitoring devices are limited by either being highly selective and missing potential harmful compounds or non-selective and providing irrelevant readings, leading to high false negatives and false positives in detecting bioactive agents in surrounding media.
Innovation Solution
A sensor chip with receptor protein complexes that can bind to bioactive agents, inducing detectable state changes, allowing for accurate detection of bioactive agents in a surrounding medium through a membrane permeable to these agents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional environmental monitoring devices use highly selective detection methods, then measurement precision for specific compounds is improved, but false negatives increase as potential harmful compounds are missed
Solution Approach 1:
The device segments the detection task by employing multiple independent sensor arrays, each tuned to detect different classes of bioactive agents. This segmentation allows the system to maintain high measurement precision for specific compound classes while collectively covering a broad spectrum of potential harmful agents, thereby reducing false negatives across different agent types.
Solution Approach 2:
The monitoring device achieves multi-functionality by integrating multiple sensor arrays with different selectivity profiles into a single system. This universal approach enables the device to detect various classes of bioactive agents simultaneously, maintaining high detection accuracy for each class while reducing overall false negatives through complementary detection capabilities.
2Reliability
If conventional environmental monitoring devices use non-selective detection methods, then coverage of potential harmful compounds is improved, but false positives increase due to irrelevant readings
Solution Approach 1:
The detection system is segmented into multiple specialized sensor arrays, each with specific selectivity for different agent classes. This segmentation maintains broad detection coverage across all agent types while improving reading accuracy for each specific class by dedicated sensors, thereby reducing false positives that would occur with purely non-selective methods.
Solution Approach 2:
Different regions of the detection system (sensor arrays) are assigned different local qualities or selectivity characteristics optimized for specific agent classes. This local quality approach ensures broad overall coverage while maintaining high precision in each local detection region, reducing false positives by matching sensor selectivity to target agent characteristics.
3Reliability
If receptor protein complexes are used to bind bioactive agents, then detection reliability is improved by reducing false positives and false negatives, but device complexity increases
Solution Approach 1:
The receptor protein complexes perform self-service by autonomously binding to their target bioactive agents based on natural molecular recognition mechanisms. This self-service capability reduces the need for complex external control systems, maintaining high detection reliability through inherent biological specificity while limiting the increase in overall device complexity.
Solution Approach 2:
Receptor protein complexes serve as intermediary elements between the target bioactive agents and the detection system. These intermediaries provide high reliability through their specific binding characteristics while allowing the use of relatively simple detection methods to read out the binding events, thus improving reliability without proportionally increasing device 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 sensor chip significantly reduces false positives and false negatives, enabling comprehensive and reliable detection of bioactive agents, improving the accuracy of environmental monitoring.
Implementation Method 1
a membrane separating the reaction cell from the surrounding medium and being permeable for the one or more bioactive agents
Implementation Method 2
the receptor protein complexes are configured to bind to the one or more bioactive agents in the reaction cell, such that a detectable state change of at least a part of the receptor protein complexes is induced
Data Source
AI summary
A sensor chip and a sensing device containing the sensor chip is provided. The sensing device is configured to detect one or more bioactive agents in a surrounding medium. The sensor chip includes a reaction cell containing a plurality of receptor protein complexes, and a membrane separating the reaction cell from the surrounding medium. The membrane is permeable to the bioactive agents and the receptor protein complexes are configured to bind to the bioactive agents within the reaction cell to induce a state change of the receptor protein complexes which is detected.