Examples of the disclosure relate to a transducer array. The transducer array includes a monolithic crystal, a first array of electrodes provided on a first surface of the monolithic crystal, and a second array of electrodes provided on a second surface of the monolithic crystal. The second surface is an opposing surface to the first surface. The transducer array also comprises a plurality of oscillators wherein the plurality of oscillators include sections of the monolithic crystal that are positioned between opposing portions of an electrode from the first array and portions of an electrode from the second array.

A MEMS device for detecting particulate and gases in the air, comprising: a first semiconductor body; a second semiconductor body with a first surface facing a first surface of the first semiconductor body; and a first spacer element and a second spacer element, which extend between the first surfaces of the semiconductor bodies so as to arrange them at a distance apart from one another and define a first duct. The MEMS device further comprises at least one of the following: a first particulate sensor comprising a first emitter unit for generating acoustic waves in the first duct, and a first particulate-detection unit for detecting the particulate, the first emitter unit and the first particulate-detection unit facing one another through the first duct; and a first gas sensor, which faces the first duct and is configured to detect said gases in the air present in the first duct.

A gas sensor (100,200) includes at least one sensor device including a surface acoustic wave (SAW) device (110) or a quartz crystal microbalance (QCM) device (210), and a layer of metal organic framework (MOF) material (120,220) disposed on each of the at least one sensor device. The at least one sensor device is structured to sense a change in mass of the MOF material.

A gas sensor comprises a substrate, a first semiconductor-based sensor element for determining the density and/or viscosity of a gas, which element is arranged above the substrate and which has a resonant element, and a cover arranged above the first sensor element, wherein the substrate and/or the cover has an opening to allow the passage of a gas to the first sensor element.

A detection device, a detecting method for the detection device, and a detecting system are provided. The detection device includes: a first interdigital transducer and a second interdigital transducer, wherein the first interdigital transducer is arranged opposite to the second interdigital transducer, and a surface wave of the first interdigital transducer is transmitted in a direction toward the second interdigital transducer; and a reaction layer arranged between the first interdigital transducer and the second interdigital transducer.

Various liquid cells for use in surface acoustic wave-based sensors are disclosed. The sensor can include a substrate, at least one sensor element, and at least one pair of electrical components. The electrical components can be located on opposite ends of the sensor element. The liquid cell can include a top layer that is configured to cover at least a portion of the pair of electrical components. The liquid cell can also include a fluidic channel. The fluidic channel can be configured to receive a liquid media and is arranged not intersect with any of the pair of electrical components. The liquid cell can also include a plurality of peripheral walls that are configured to form a plurality of air pockets. Each of the plurality of air pockets are configured to form virtual non-physical walls to prevent the liquid media from contacting the at least one sensor element.

Disclose herein is a portable platform based on a direct digital synthesizer (DDS) is investigated for the orthogonal SAW sensor, integrating signal synthesis, gain control, phase/amplitude measurement, and data processing in a small, portable electronic system. The disclosed platform allows for simultaneous removal of non-specific binding proteins, and mixing, as well as improved incubation time.

The invention relates to a test kit which is designed for bioanalysis, in particular for an immunoassay. The test kit comprises at least one measuring sensor (M) for the quantitative detection of a substance and at least one reference sensor (R1, R2, R3) which is already supplied with the substance in a defined manner. In the method for analyzing a test kit, the measuring sensor (M) is read and a measurement value for a concentration, a substance quantity, or a mass is obtained, wherein the read value of the at least one measuring sensor (M) is scaled using the read values of the at least one reference sensor (R1, R2, R3), or a measured value which corresponds to the read value is obtained by means of a compensation curve which puts the read values of the reference sensors (R1, R2, R3) into relationship with the defined supply of the substance to the reference sensors (R1, R2, R3).

An air-conditioning apparatus includes a drain pan that receives water, and a detector including an ultrasonic sensor that emits and receives ultrasonic waves. The detector analyzes a response signal from the ultrasonic sensor to detect a contaminant generated in the drain pan. A bottom flat surface portion that forms a bottom of the drain pan is located parallel to a flat surface portion that forms a receiving surface of the ultrasonic sensor.

Various embodiments of an interconnect device and modules and systems that utilize such interconnect device are disclosed. In one or more embodiments, the interconnect device can include a printed circuit board (PCB). The PCB can include a substrate forming a resiliently deflectable element, a conductive material disposed on the substrate, and an electrical contact disposed on the resiliently deflectable element and electrically coupled to the conductive material. The interconnect device can also include a connector that includes a connecting pin configured to electrically couple with the electrical contact of the resiliently deflectable element of the PCB and cause the resiliently deflectable element to deflect when the element contacts the connecting pin.