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A multi-parameter decoupling method with a Lamb wave sensor for improving the selectivity of label-free liquid detection.

Zhou L, Wu Y, Xuan M, Manceau JF, Bastien F - Sensors (Basel) (2012)

Bottom Line: We found they can play very different roles in the detections.Here, the A(0) mode is used to identify the density of the detected liquid and with this density value we obtained the viscosity by the amplitude shifts of the S(0) mode.This could be a way to distinguish an unknown liquid with high sensitivity or to solve the problem of selectivity of label-free detection on biosensors.

View Article: PubMed Central - PubMed

Affiliation: Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, China. zhoulq@sibet.ac.cn

ABSTRACT
In this paper, a liquid multi-parameter decoupling method with only one Lamb wave sensor is presented. In a Lamb wave sensor, antisymmetric modes (A(01) mode for low frequency, A(03) mode for high frequency) and symmetric modes (S(0) mode) are used to detect multiple parameters of a liquid, such as its density, sound velocity, and viscosity. We found they can play very different roles in the detections. For example, the A(01) mode is very sensitive to the liquid's density but the A(03) mode is sensitive to the sound velocity. Here, the A(0) mode is used to identify the density of the detected liquid and with this density value we obtained the viscosity by the amplitude shifts of the S(0) mode. This could be a way to distinguish an unknown liquid with high sensitivity or to solve the problem of selectivity of label-free detection on biosensors.

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Related in: MedlinePlus

The decoupled density and sound velocity of NaCl solutions and other solutions using measurements in A01 mode and A03 mode.
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f5-sensors-12-10369: The decoupled density and sound velocity of NaCl solutions and other solutions using measurements in A01 mode and A03 mode.

Mentions: The first decoupled result using Equation (1) is the NaCl solution with different concentrations, as measured in Figure 3. Comparing the measured density and sound velocity with the values from the literature [32], the two results are close, as shown in Figure 5.


A multi-parameter decoupling method with a Lamb wave sensor for improving the selectivity of label-free liquid detection.

Zhou L, Wu Y, Xuan M, Manceau JF, Bastien F - Sensors (Basel) (2012)

The decoupled density and sound velocity of NaCl solutions and other solutions using measurements in A01 mode and A03 mode.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3472832&req=5

f5-sensors-12-10369: The decoupled density and sound velocity of NaCl solutions and other solutions using measurements in A01 mode and A03 mode.
Mentions: The first decoupled result using Equation (1) is the NaCl solution with different concentrations, as measured in Figure 3. Comparing the measured density and sound velocity with the values from the literature [32], the two results are close, as shown in Figure 5.

Bottom Line: We found they can play very different roles in the detections.Here, the A(0) mode is used to identify the density of the detected liquid and with this density value we obtained the viscosity by the amplitude shifts of the S(0) mode.This could be a way to distinguish an unknown liquid with high sensitivity or to solve the problem of selectivity of label-free detection on biosensors.

View Article: PubMed Central - PubMed

Affiliation: Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, China. zhoulq@sibet.ac.cn

ABSTRACT
In this paper, a liquid multi-parameter decoupling method with only one Lamb wave sensor is presented. In a Lamb wave sensor, antisymmetric modes (A(01) mode for low frequency, A(03) mode for high frequency) and symmetric modes (S(0) mode) are used to detect multiple parameters of a liquid, such as its density, sound velocity, and viscosity. We found they can play very different roles in the detections. For example, the A(01) mode is very sensitive to the liquid's density but the A(03) mode is sensitive to the sound velocity. Here, the A(0) mode is used to identify the density of the detected liquid and with this density value we obtained the viscosity by the amplitude shifts of the S(0) mode. This could be a way to distinguish an unknown liquid with high sensitivity or to solve the problem of selectivity of label-free detection on biosensors.

Show MeSH
Related in: MedlinePlus