Abstract: Aptamers configured to specifically bind to tetrahydrocannabinol and cannabidiol are disclosed, and biosensing methods and biosensor devices are described in which such aptamers are employed for detection of tetrahydrocannabinol and/or cannabidiol, with a limit of detection in the nanomolar range. In some example implementations, aptamer-based electrochemical biosensors are disclosed for sensitive and rapid detection of tetrahydrocannabinol and/or cannabidiol. Examples of microfluidic biosensors are disclosed that may be utilized in point-of-care settings.

Abstract: An image fusion method includes receiving a first image stream with a first frame rate, receiving a second image stream with a second frame rate, and fusing a first reused image frame of the first image stream with a set of second image frames of the second image stream respectively for outputting a set of fused image frames. At least one image frame of the first image stream has a timing offset from at least one corresponding image frame of the second image stream.

Abstract: An integrated substation is provided. The integrated substation includes a cabinet and at least one airflow driver. The cabinet has a high pressure room, a low pressure room, and an exchange room located between the high pressure room and the low pressure room. The exchange room and the high pressure room are separated from each other by a first inner wall, and the exchange room and the low pressure room are separated from each other by a second inner wall.

Abstract: An axle assembly comprising a support structure, a mounting plate, an electric motor module, a transmission module, and a wheel end assembly. The electric motor module extends from a first side of the mounting plate. The transmission module extends from the second side of the mounting plate. The wheel end assembly extends from the transmission module.

Abstract: A memory device and a manufacturing method thereof are provided. The memory device includes a magnetic tunneling junction (MTJ) and a spin Hall electrode (SHE). The MTJ includes a free layer, a reference layer and a barrier layer lying between the free layer and the reference layer. The SHE is in contact with the MTJ, and configured to convert a charge current to a spin current for programming the MTJ. The SHE is formed of an alloy comprising at least one heavy metal element and at least one light transition metal element. The heavy metal element is selected from metal elements with one or more valence electrons filling in 5d orbitals, and the light transition metal element is selected from transition metal elements with one or more valence electrons partially filling in 3d orbitals.

Abstract: A memory device and a manufacturing method thereof are provided. The memory device includes a magnetic tunneling junction (MTJ) and a spin Hall electrode (SHE). The MTJ includes a free layer, a reference layer and a barrier layer lying between the free layer and the reference layer. The SHE is in contact with the MTJ, and configured to convert a charge current to a spin current for programming the MTJ. The SHE is formed of an alloy comprising at least one heavy metal element and at least one light transition metal element. The heavy metal element is selected from metal elements with one or more valence electrons filling in 5 d orbitals, and the light transition metal element is selected from transition metal elements with one or more valence electrons partially filling in 3 d orbitals.

Abstract: The disclosure includes a convertible light device comprising a device housing, a battery pack removably coupled to the housing, and an elongate flexible light source detachably coupled to the device housing and electrically coupled to the battery pack, where the elongate flexible light source comprises a plurality of LEDs. In some embodiments, the convertible light device is configured to convert between a rope mode and a lantern mode. In the rope mode, the elongate flexible light source may be configured to extend from the device housing. In the lantern mode, the elongate flexible light source may be configured to wrap around the device housing.

Abstract: A controller of a buck-boost conversion circuit and a mode switching method thereof are provided. The controller control operations of multiple switches of the buck-boost conversion circuit to convert an input voltage into an output voltage and provide an output current. The controller includes a slope compensation circuit, a control loop, and a mode switching circuit. The slope compensation circuit generates a slope compensation signal according to a mode switching signal of a current cycle. The control loop is coupled to the slope compensation circuit and the switches respectively, and is configured to generate multiple switch control signals according to the slope compensation signal, a feedback voltage related to the output voltage, and a current sense signal related to the output current to control the operations of the switches respectively. The mode switching circuit is coupled to the slope compensation circuit and the control loop.

Abstract: An integrated substation is provided. The integrated substation includes a cabinet and at least one airflow driver. The cabinet has a high pressure room, a low pressure room, and an exchange room located between the high pressure room and the low pressure room. The exchange room and the high pressure room are separated from each other by a first inner wall, and the exchange room and the low pressure room are separated from each other by a second inner wall.

Abstract: The disclosure includes a convertible light device comprising a device housing, a battery pack removably coupled to the housing, and an elongate flexible light source detachably coupled to the device housing and electrically coupled to the battery pack, where the elongate flexible light source comprises a plurality of LEDs. In some embodiments, the convertible light device is configured to convert between a rope mode and a lantern mode. In the rope mode, the elongate flexible light source may be configured to extend from the device housing. In the lantern mode, the elongate flexible light source may be configured to wrap around the device housing.

Abstract: The disclosure includes a convertible light device comprising a device housing, a battery pack removably coupled to the housing, and an elongate flexible light source detachably coupled to the device housing and electrically coupled to the battery pack, where the elongate flexible light source comprises a plurality of LEDs. In some embodiments, the convertible light device is configured to convert between a rope mode and a lantern mode. In the rope mode, the elongate flexible light, source may be configured to extend from the device housing. In the lantern mode, the elongate flexible light source may be configured to wrap around the device housing.

Abstract: A current sensing circuit includes a filtering circuit, an amplifier, a first resistor, a first transistor and a second transistor. The filtering circuit is coupled to two terminals of a sensing resistor. The amplifier has a first input terminal, a second input terminal and an output terminal. The second input terminal is coupled to the filtering circuit. The first resistor is coupled between the filtering circuit and the first input terminal of amplifier. A control terminal of the first transistor is coupled to the output terminal of amplifier, and its first terminal is coupled to the first input terminal of amplifier and its second terminal is grounded through a second resistor. A control terminal of the second transistor is coupled to the output terminal of amplifier, and its first terminal is coupled to the second input terminal of amplifier and its second terminal is grounded through a third resistor.

Abstract: A current sensing circuit includes a filtering circuit, an amplifier, a first resistor, a first transistor and a second transistor. The filtering circuit is coupled to two terminals of a sensing resistor. The amplifier has a first input terminal, a second input terminal and an output terminal. The second input terminal is coupled to the filtering circuit. The first resistor is coupled between the filtering circuit and the first input terminal of amplifier. A control terminal of the first transistor is coupled to the output terminal of amplifier, and its first terminal is coupled to the first input terminal of amplifier and its second terminal is grounded through a second resistor. A control terminal of the second transistor is coupled to the output terminal of amplifier, and its first terminal is coupled to the second input terminal of amplifier and its second terminal is grounded through a third resistor.

Abstract: The disclosure includes a convertible light device comprising a device housing, a battery pack removably coupled to the housing, and an elongate flexible light source detachably coupled to the device housing and electrically coupled to the battery pack, where the elongate flexible light source comprises a plurality of LEDs. In some embodiments, the convertible light device is configured to convert between a rope mode and a lantern mode. In the rope mode, the elongate flexible light source may be configured to extend from the device housing. In the lantern mode, the elongate flexible light source may be configured to wrap around the device housing.

Abstract: A contactless connector includes: a light emitter for emitting light; a light-transmitting member at least partially covering the light emitter; and an alignment mechanism that enables an alignment error between the light emitter and a light receiver on another contactless connector to be not greater than 5 microns; wherein the light-transmitting member includes a mating surface that is matched with an opposite surface of the another contactless connector and there is an elastic member on the opposite surface of the another contactless connector to adjust alignment of the alignment mechanism.

Abstract: The disclosure includes a convertible light device comprising a housing, a battery pack coupled to the housing, and an elongate flexible light source detachably coupled to the housing and electrically coupled to the battery pack, where the elongate flexible light source comprises a plurality of LEDs. In some embodiments, the convertible light device is configured to convert between a rope mode and a lantern mode. In the rope mode, the elongate flexible light source may be configured to extend from the housing and couple to an external anchor. In the lantern mode, the elongate flexible light source may be configured to wrap around the housing.

Abstract: A memory device and a manufacturing method thereof are provided. The memory device includes a magnetic tunneling junction (MTJ) and a spin Hall electrode (SHE). The MTJ includes a free layer, a reference layer and a barrier layer lying between the free layer and the reference layer. The SHE is in contact with the MTJ, and configured to convert a charge current to a spin current for programming the MTJ. The SHE is formed of an alloy comprising at least one heavy metal element and at least one light transition metal element. The heavy metal element is selected from metal elements with one or more valence electrons filling in 5d orbitals, and the light transition metal element is selected from transition metal elements with one or more valence electrons partially filling in 3d orbitals.

Abstract: Disclosed are devices and methods useful for confined-channel digital microfluidics that combine high-throughput droplet generators with digital microfluidic for droplet manipulation. The present disclosure also provides an off-chip sensing system for droplet tracking.

Abstract: A planetary gear set having a planet shaft that extends from a planet gear carrier into a hole in a planet gear. At least one set of bearing rollers may be received inside the hole and may rotatably support the planet gear on the planet shaft. A first shaft thrust washer may extend between the planet gear carrier and a set of bearing rollers.

Abstract: The disclosure includes a convertible light device comprising a housing, a battery pack coupled to the housing, and an elongate flexible light source detachably coupled to the housing and electrically coupled to the battery pack, where the elongate flexible light source comprises a plurality of LEDs. In some embodiments, the convertible light device is configured to convert between a rope mode and a lantern mode. In the rope mode, the elongate flexible light source may be configured to extend from the housing and couple to an external anchor. In the lantern mode, the elongate flexible light source may be configured to wrap around the housing.