RF Glucose Sensor Using Polarized Carbon Nano Channel
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Solution Overview
Problem
Current glucose measurement technologies, such as electrochemistry and light emitting materials, face challenges in sensitivity and efficiency, particularly in accurately measuring glucose concentrations using radio frequency sensing apparatuses.
Innovation Solution
A radio frequency sensing apparatus is developed, featuring a protecting layer, a channel forming layer using polarized carbon-based nano materials, and a sensing layer with poly aminophenyl boronic acid, which forms a channel through dielectric phoresis and measures glucose concentration based on electrical characteristics like S-parameter and RLGC values.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If electrochemistry or light emitting materials are used for glucose measurement, then glucose concentration can be measured, but sensitivity and efficiency are insufficient
Solution Approach 1:
The patent changes the measurement parameter from electrochemical or optical signals to radio frequency electrical signals. By applying RF signals to the channel forming layer and measuring electrical characteristics (S-parameters, RLGC values), the system achieves higher sensitivity and accuracy in glucose concentration detection without the limitations of conventional electrochemical methods
Solution Approach 2:
The patent uses a composite channel forming layer combining polarized carbon-based nano materials (graphene or CNTs) with a dielectric material. This composite structure enables both the formation of a functional channel for glucose sensing and the measurement of electrical characteristics at radio frequencies, simultaneously improving measurement precision and reliability
2Measurement precision
If radio frequency is applied to electrodes for glucose sensing, then measurement sensitivity improves, but electron migration occurs causing dielectric loss
Solution Approach 1:
The patent introduces a protecting layer as an intermediary between the substrate and the channel forming layer. This protecting layer, made of high-resistance silicon oxide, prevents electron migration to the substrate while allowing the radio frequency signals to pass through and interact with the channel forming layer, thus maintaining measurement sensitivity without dielectric loss
Solution Approach 2:
The channel forming layer serves multiple functions: it forms a functional channel for glucose sensing, acts as a dielectric for RF signal transmission, and enables measurement of electrical characteristics. This multi-functionality allows the system to achieve high sensitivity glucose detection while managing dielectric loss through proper material selection
3Measurement precision
If conventional glucose sensors are used, then glucose measurement is possible, but device size is large preventing portable applications
Solution Approach 1:
The patent replaces conventional electrochemical or optical sensing mechanisms with radio frequency electrical signal-based measurement. This substitution enables miniaturization because RF sensing requires smaller electrode structures and can be integrated into compact circuits, allowing portable glucose monitoring devices while maintaining measurement precision
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 apparatus effectively senses glucose concentration with high sensitivity and accuracy, reducing dielectric loss and enabling miniaturization for portable applications, allowing for self-diagnosis without additional materials.
Implementation Method 1
the channel forming layer is further configured to form the channel based on a dielectric phoresis scheme
Implementation Method 2
the polarized carbon-based nano material is configured to migrate toward the field using a dipole moment in the channel forming layer
Implementation Method 3
a protecting layer configured to protect a substrate from migration of electrons occurring as the radio frequency is applied to a first electrode and a second electrode
Implementation Method 4
the h-BN layer being configured to decrease a dielectric loss of electrons within a range of the applied radio frequency
Implementation Method 5
the sensed concentration of glucose being based on an electrical characteristic value that is measured in a first electrode and a second electrode
Data Source
AI summary
A sensing apparatus using a radio frequency and a manufacturing method thereof is provided. A sensing apparatus using a radio frequency includes a protecting layer configured to protect a substrate from migration of electrons occurring as the radio frequency is applied to a first electrode and a second electrode, a channel forming layer configured to form a channel based on a field between the first electrode and the second electrode, the channel forming layer using a polarized carbon-based nano material to form the channel, and a sensing layer configured to sense glucose using a medium material that is attached on the carbon-based nano material.