Drug detection method and device and computer storage medium

Through the technology of combining terahertz chips and metamaterials, the drug solution concentration is determined using the resonant peak offset, which solves the high cost, time-consuming and error problems of existing drug detection technologies, and achieves fast and accurate liquid drug detection.

CN120084752APending Publication Date: 2025-06-03SHENZHEN INST OF TERAHERTZ TECH & INNOVATION
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Patent Information

Application Number
CN202510117688.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2025-06-03

AI Technical Summary

Technical Problem

The existing drug testing technology has problems such as high cost, long time-consuming, large errors in the test result, and difficulty in quickly detecting liquid drugs.

Method used

Using terahertz chip combined with metamaterial technology, the time domain signals of the blank and sample terahertz chip are obtained, and the frequency domain spectral signals are obtained are obtained by using Fourier transform, and the resonance peak offset is compared to determine the concentration of the drug solution.

Benefits of technology

It realizes rapid qualitative and quantitative detection of liquid drug solutions, with simple operation, small sample sampling volume, no other chemical reagents required, and overcomes the problems of high cost, time-consuming and large errors of traditional methods.

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Abstract

The invention provides a drug detection method and device and a computer storage medium, the drug detection method comprises the steps that a blank terahertz chip and a sample terahertz chip are obtained, and the terahertz chip comprises a substrate and a metamaterial growing on the substrate; obtaining a terahertz reference time domain signal of the blank terahertz chip and obtaining a terahertz sample time domain signal of the sample terahertz chip; performing Fourier transform on the terahertz reference time domain signal to obtain a terahertz reference frequency domain spectrum signal; performing Fourier transform on the terahertz sample time domain signal to obtain a terahertz sample frequency domain spectrum signal; comparing the terahertz reference frequency domain spectrum signal with the terahertz sample frequency domain spectrum signal to obtain harmonic peak offset; and determining the drug solution concentration of the sample based on the harmonic peak offset. In this way, rapid qualitative and quantitative detection of the liquid drug solution can be achieved, and the method is easy to operate, small in sample sampling amount and easy to operate.
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