Abstract: A microfluidic sensing assembly may include a first structure supporting a sensor array, a second structure joined to the first structure and forming a microfluidic passage and a flat lens to focus light, following reflection of the light back and forth across the microfluidic passage, from the microfluidic passage onto the sensor array.

Abstract: Systems and methods for adaptive scanning in lidar sensors are provided. In some embodiments, a lidar device includes a plurality of channels and a plurality of transmitter-receiver optical subassemblies (TROSAs), with each TROSA including a respective subset of the plurality of channels. Each channel can be assigned to a firing group from a plurality of firing groups. Each firing group can include either one channel or no channels from any given TROSA from the plurality of TROSAs. The channels in each firing group can be configured to scan an environment during a respective window of time assigned to the firing group in a firing sequence.

Abstract: An example method for measuring deformability of a cell responsive to a pressure wave, consistent with the present disclosure, includes moving a cell of a sample into a cell probing chamber of a microfluidic device. While the cell is in the cell probing chamber, the method includes generating a pressure wave within the cell probing chamber by actuating a fluidic pump. The method further includes determining a deformability of the cell responsive to the pressure wave, using an imaging array synchronized with the actuation of the fluidic pump.

Abstract: An example method for measuring deformability of a cell, consistent with the present disclosure, includes detecting a single cell of a biologic sample in a cell probing chamber of a microfluidic device. The method includes isolating the cell in the cell probing chamber of the microfluidic device by terminating the flow of the biologic sample through the microfluidic device. The method further includes causing deformation of the cell by introducing ultrasonic waves into the cell probing chamber, and measuring deformability of the cell responsive to the introduction of the ultrasonic waves.

Abstract: A microfluidic sensing assembly may include a first structure supporting a sensor array, a second structure joined to the first structure and forming a microfluidic passage and a flat lens to focus light, following reflection of the light back and forth across the microfluidic passage, from the microfluidic passage onto the sensor array.

Abstract: An example method for measuring deformability of a cell, consistent with the present disclosure, includes detecting a single cell of a biologic sample in a cell probing chamber of a microfluidic device. The method includes isolating the cell in the cell probing chamber of the microfluidic device by terminating the flow of the biologic sample through the microfluidic device. The method further includes causing deformation of the cell by introducing ultrasonic waves into the cell probing chamber, and measuring deformability of the cell responsive to the introduction of the ultrasonic waves.

Abstract: An example method for measuring deformability of a cell responsive to a pressure wave, consistent with the present disclosure, includes moving a cell of a sample into a cell probing chamber of a microfluidic device. While the cell is in the cell probing chamber, the method includes generating a pressure wave within the cell probing chamber by actuating a fluidic pump. The method further includes determining a deformability of the cell responsive to the pressure wave, using an imaging array synchronized with the actuation of the fluidic pump.

Abstract: An integrated fluid ejection and spectroscopic sensing system may include a fluid ejector to eject a droplet of fluid through an ejection orifice towards a deposition site, a sensor array, a dispersive element to project light onto the sensor array. The dispersive element, the sensor and the fluid ejector are joined as part of an integrated unit.

Abstract: In example implementations, an apparatus is provided. The apparatus includes a moveable stage, a print cartridge, a camera, and a processor. The moveable stage is to hold a well plate. The print cartridge holder is to hold a print cartridge that includes a print die over the moveable stage. The camera is located above the movable stage and the print cartridge holder. The camera is positioned such that the movable stage and the print die are within a field of view of the camera. The processor is to calculate a first offset a first offset of the well plate and a second offset of the print die. The movement of the movable stage is controlled by the processor in accordance with the first offset and the second offset.

Abstract: In one example an apparatus can include a controller communicatively coupled to a droplet dispenser to deposit antibody fluid on a matrix of an immunoblotting array, the controller is to align the droplet dispenser with a protein band included in the matrix, instruct the droplet dispenser to deposit a first antibody fluid on to the protein band of the matrix, and instruct the droplet dispenser to deposit a second antibody fluid on to the protein band of the matrix, adjacent to the first antibody fluid.

Abstract: A single point sensing system may include a microscope having a field of view, a single-point sensor having a focal point, a stage to support a substance, an actuator to move at least one of the single-point sensor and the stage relative to one another, and in alignment controller. The alignment controller is to identify a location of the substance on the stage based upon signals from the microscope and output sensor alignment signals to the actuator to align the location of the substance on the stage with the focal point of the single-point sensor based upon the identified location of the substance.

Abstract: In one example in accordance with the present disclosure, a fluorescence detection system is described. The fluorescence detection system includes a microfluidic chamber to receive a sample containing a compound to be detected. An illumination system provides an excitation light to excite fluorophores in the microfluidic chamber. An outcoupler is disposed between the illumination system and the microfluidic chamber to diffuse the excitation light to fill the microfluidic chamber. The fluorescence detection system also includes a detection system to detect fluorescence generated by the excitation of the fluorophores in the microfluidic chamber.

Abstract: In example implementations, an apparatus is provided. The apparatus includes a moveable stage, a print cartridge, a camera, and a processor. The moveable stage is to hold a well plate. The print cartridge holder is to hold a print cartridge that includes a print die over the moveable stage. The camera is located above the movable stage and the print cartridge holder. The camera is positioned such that the movable stage and the print die are within a field of view of the camera. The processor is to calculate a first offset a first offset of the well plate and a second offset of the print die. The movement of the movable stage is controlled by the processor in accordance with the first offset and the second offset.

Abstract: A system and a method for imaging microfluidic ejectors during operation. An example provides a microscopy system, that includes a plurality of microfluidic ejectors. A mirror is disposed in a droplet path of the plurality of microfluidic ejectors, wherein the droplet path passes through an opening in the mirror. An optical system is focused on the plurality of microfluidic ejectors through the mirror, wherein the optical system comprises a camera.

Abstract: Systems and methods for adaptive scanning in lidar sensors are provided. In some embodiments, a lidar device includes a plurality of channels and a plurality of transmitter-receiver optical subassemblies (TROSAs), with each TROSA including a respective subset of the plurality of channels. Each channel can be assigned to a firing group from a plurality of firing groups. Each firing group can include either one channel or no channels from any given TROSA from the plurality of TROSAs. The channels in each firing group can be configured to scan an environment during a respective window of time assigned to the firing group in a firing sequence.

Abstract: An example apparatus includes a sampling layer to position microscopic objects thereon, a light encoding layer to encode light from passing through the microscopic objects of the sampling layer, the light encoding layer having a substantially flat form, and an imaging layer to capture an image of the sampling layer, the image being encoded by the light encoding layer.

Abstract: An example method for measuring deformability of a cell responsive to a pressure wave, consistent with the present disclosure, includes moving a cell of a sample into a cell probing chamber of a microfluidic device. While the cell is in the cell probing chamber, the method includes generating a pressure wave within the cell probing chamber by actuating a fluidic pump. The method further includes determining a deformability of the cell responsive to the pressure wave, using an imaging array synchronized with the actuation of the fluidic pump.

Abstract: An example method for measuring deformability of a cell via a pressure field, consistent with the present disclosure, includes flowing a biologic sample containing a plurality of cells along a first fluidic channel and into an intersection between the first fluidic channel and a second fluidic channel of a microfluidic device. The method includes introducing a pressure field at the intersection and into the first fluidic channel via the second fluidic channel and a plurality of apertures in a channel wall disposed in the intersection. The method further includes measuring deformability of a cell among the plurality of cells responsive to the introduction of the pressure field.

Abstract: A microfluidic sensing assembly may include a first structure supporting a sensor array, a second structure joined to the first structure and forming a microfluidic passage and a flat lens to focus light, following reflection of the light back and forth across the microfluidic passage, from the microfluidic passage onto the sensor array.

Abstract: An example method for measuring deformability of a cell, consistent with the present disclosure, includes detecting a single cell of a biologic sample in a cell probing chamber of a microfluidic device. The method includes isolating the cell in the cell probing chamber of the microfluidic device by terminating the flow of the biologic sample through the microfluidic device. The method further includes causing deformation of the cell by introducing ultrasonic waves into the cell probing chamber, and measuring deformability of the cell responsive to the introduction of the ultrasonic waves.