1995
DOI: 10.1021/ac00105a005
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Atrazine measurements using surface transverse wave devices

Abstract: We have developed a new kind of chemical sensor based on the surface transverse wave device. The sensor resembles a surface acoustic wave sensor with the addition of a metal grating between the transducers and a different crystal orientation. Unlike surface acoustic wave

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Cited by 71 publications
(43 citation statements)
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“…However, by selecting a different crystal orientation, it is possible to excite surface waves with purely shear horizontal particle displacements instead of Rayleigh waves. Thus, the STW device generates surface waves whose particle displacements are transverse to the wave propagation direction and parallel to the plane of the surface [44,45]. As shown in Figure 2-1, the STW device has a grating applied between the IDTs.…”
Section: Surface Transverse Wave (Stw) Devicesmentioning
confidence: 99%
See 2 more Smart Citations
“…However, by selecting a different crystal orientation, it is possible to excite surface waves with purely shear horizontal particle displacements instead of Rayleigh waves. Thus, the STW device generates surface waves whose particle displacements are transverse to the wave propagation direction and parallel to the plane of the surface [44,45]. As shown in Figure 2-1, the STW device has a grating applied between the IDTs.…”
Section: Surface Transverse Wave (Stw) Devicesmentioning
confidence: 99%
“…STW devices can be made with ST-cut quartz by orienting the propagation axis normal to the *-axis of the crystal (90° away from the propagation axis for Rayleigh-type SAWs) [44,46]. STW devices were designed for use in liquids and have been used for biosensor applications [44,45].…”
Section: Surface Transverse Wave (Stw) Devicesmentioning
confidence: 99%
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“…In the past years, various strategies for the production of biosensors on the basis of acoustic mass-sensitive sensors were studied extensively and described in detail in literature [14,[19][20][21]. These descriptions, however, focused on devices of own construction with gold structures that were adapted to the specific measurement problem.…”
Section: Shielding Layers For Commercially Available Saw Devicesmentioning
confidence: 99%
“…Other examples describe the use of pesticides [86,87], 2-phenyloxalones [88], thrombin inhibitor [71], and fluorescein [89] as immobilized recognition structures. The use of pesticides as haptens aims at the competitive detection of these pesticides in the environment.…”
Section: Affinity Sensors Based On Immunoreactionsmentioning
confidence: 99%