Sugar Concentration Measurement System Using Radiofrequency Sensor

Abstract

A sugar solution measurement system was developed based on the dielectric properties of the sucrose molecule. An ac conductivity and tan δ study as a function of the frequency was performed to find the suitable frequency range for the measuring system. The results indicate that it is possible to obtain a better response of the sensor using the frequencies as the maxima peak in tan δ appears. Developed setup for sucrose solution was appropriate to measure in a 0.15 to 1 g/mL range with an experimental error of about 3%. The proposed system improves the measurement time over some other methods.

mmW Rotman Lens-Based Sensing: An Investigation Study

“…The polarity correlator implements both operations of Equations (1) and (2). In our development, the pulse fidelity factor is used to measure the similarity between two preprocessed responses produced by the Rotman lens at three different glucose concentrations (m,n = 1, 2, 3).…”

“…Due to the success rate of these devices in sensing minute changes, the instrument and material characterization industry is working hard to improve the existing tools. The RF sensors are utilized in sensing tiny changes, whether at the molecular level, like sensing glucose solution concentration [ 2 ], or at the physical level, by assisting in the daily living healthcare of patients and healthy beings alike [ 3 ]. This is to fulfill the requirements for characterizing materials in the field of food processing monitoring, agricultural research, seismic detection, and chemical composition and biosensor applications.…”

Sugar Detection in Aqueous Solution Using an SMS Fiber Device

“…Several approaches have been reported to measure sugar concentration, such as Raman spectroscopy coupled with neural networks [ 14 ]; the monitoring of the refractive index (RI) via reflectometric measurements [ 15 ]; induced fluorescence measurements [ 16 , 17 ]; and techniques based on radiofrequency [ 18 ], among others.…”