Abstract: Some implementations of the disclosure relate to an imaging system including one or more image sensors and a Z-stage. The imaging system is configured to perform operations including: capturing, using the one or more image sensors, a first image of a first pair of spots projected at a first sample location of a sample; determining whether or not the first image of the first pair of spots is valid; and when the first image is determined to be valid: obtaining, based on the first image, a current separation distance measurement of the first pair of spots; and controlling, based at least on the current separation distance measurement, the Z-stage to focus the imaging system at the first sample location.

Abstract: An apparatus includes a flow cell, an imaging assembly, and a processor. The flow cell includes a channel and a plurality of reaction sites. The imaging assembly is operable to receive light emitted from the reaction sites in response to an excitation light. The processor is configured to drive relative movement between at least a portion of the imaging assembly and the flow cell along a continuous range of motion to thereby enable the imaging assembly to capture images along the length of the channel. The processor is also configured to activate the imaging assembly to capture one or more calibration images of one or more calibration regions of the channel, during a first portion of the continuous range of motion. The processor is also configured to activate the imaging assembly to capture images of the reaction sites during a second portion of the continuous range of motion.

Abstract: A system is provided for distributing pesticide into the interior walls of a building includes an injection port in a wall of a building, connected to a manifold to which a large number of flexible tubing members, having discharge openings spaced along the length of the tubing members, are attached. The system may include a wheeled vehicle with separate vessels containing pesticide and inert gas under pressure connected to an injection gun. A flow meter is electrically connected to a data processor which records and prints information with respect to the amount of pesticide distributed into the wall. In a preferred embodiment, a device which emits an audible signal is attached at downstream portions of the tubing members to enable service personnel inside the building to confirm that fluid is indeed passing through each of the tubing members.

Abstract: A system is provided for distributing pesticide into the interior walls of a building includes an injection port in a wall of a building, connected to a manifold to which a large number of flexible tubing members, having discharge openings spaced along the length of the tubing members, are attached. The system may include a wheeled vehicle with separate vessels containing pesticide and inert gas under pressure connected to an injection gun. A flow meter is electrically connected to a data processor which records and prints information with respect to the amount of pesticide distributed into the wall.

Abstract: An integrated pesticide applicating system utilizes lengths of small diameter closed end flexible tubing with periodically spaced perforations having open ends terminating at junction boxes which are serviced on a periodic basis by certified pest control technicians utilizing expanding chemicals that are administered in measured quantities to provide a residual pest control block in concealed areas of a building. Externally mounted junction boxes provide a pest control method in which the chemicals can be applied without the necessity of access to the interior of the building by the servicing technician. Tubing perforations are preferably conically shaped.

Abstract: An integrated pesticide applicating system utilizes lengths of small diameter closed end flexible tubing with periodically spaced perforations having open ends terminating at junction boxes which are serviced on a periodic basis by certified pest control technicians utilizing expanding chemicals that are administered in measured quantities to provide a residual pest control block in concealed areas of a building. Externally mounted junction boxes provide a pest control method in which the chemicals can be applied without the necessity of access to the interior of the building by the servicing technician. Tubing perforations are preferably conically shaped.