Abstract: The disclosure relates to devices and methods for analyzing particles in a sample. In various embodiments, the present disclosure provides devices and methods for cytometry and additional analysis. In various embodiments, the present disclosure provides a cartridge device and a reader instrument device, wherein the reader instrument device receives, operates, and/or actuates the cartridge device. In various embodiments, the present disclosure provides a method of using a device as disclosed herein for analyzing particles in a sample.

Abstract: A method for analyzing biological samples is disclosed herein. In an embodiment, the method includes receiving a fluid sample into a cartridge device, which comprises: a fluidic chamber; at least one microfluidic channel in fluid communication with the fluidic chamber; and a venting port configured to apply a pneumatic force to the fluidic chamber; and inserting the cartridge device into a reader device to perform measurements, wherein the cartridge device is positioned in a vertical or tilted position such that at least a portion of the fluid sample inside the fluidic chamber is pulled by gravity in a direction away from the venting port or towards the bottom of the fluidic chamber.

Abstract: The disclosure relates to devices and methods for analyzing particles in a sample. In various embodiments, the present disclosure provides devices and methods for cytometry and additional analysis. In various embodiments, the present disclosure provides a cartridge device and a reader instrument device, wherein the reader instrument device receives, operates, and/or actuates the cartridge device. In various embodiments, the present disclosure provides a method of using a device as disclosed herein for analyzing particles in a sample.

Abstract: Devices and methods for analyzing a sample are disclosed. In various embodiments, the present disclosure provides devices and methods for preparing a serial dilution of a sample. In various embodiments, the present disclosure provides devices and methods for preparing a serial dilution of a sample and conducting sample analysis. In various embodiments, the present disclosure provides a cartridge device and a reader instrument device. The reader instrument device receives, operates, and/or actuates the cartridge device to prepare a serial dilution of a sample and conduct sample analysis.

Abstract: Devices and methods for measuring analytes and target particles in a sample are disclosed. In some embodiments, the disclosure provides a cartridge device. In other embodiments, the disclosure provides a method of using a cartridge device as disclosed herein for analyzing analytes and target particles in a sample. In further embodiments, the disclosure provides an analyzer including a cartridge device and a control unit device. The control unit device is configured to receive, operate, and/or actuate the cartridge device. In some embodiments, the disclosure provides a method of using an analyzer as disclosed herein for analyzing analytes and target particles in a sample.

Abstract: The disclosure provides devices, device systems, and methods for analyzing cells (e.g., blood cells) or particles in a sample. In some embodiments, the disclosure provides various devices and device systems including: a light source; a collecting lens; and one, two, or more detectors. In other embodiments, the devices and device systems include a flow cell or a cartridge device with a flow cell. In further embodiments, the disclosure provides various methods including the steps of: using a light source to emit an irradiation light; using the irradiation light to illuminate a sample flow; using a collecting lens to collect both scattered light and fluorescent light from the sample flow; and using one, two, or more detectors to detect the collected scattered light and fluorescent light. Optionally, these methods include using a flow cell to form a sample flow.

Abstract: The disclosure relates to devices and methods for analyzing blood cells in a sample. In various embodiments, the present disclosure provides devices and methods of performing complete blood count (CBC) testing. In various embodiments, the present disclosure provides a cartridge device and a reader instrument device, wherein the reader instrument device receives, operates, and/or actuates the cartridge device. In various embodiments, the present disclosure provides a method of using a device as disclosed herein for analyzing blood cells in a sample.

Abstract: The disclosure relates to devices and methods for analyzing particles in a sample. In various embodiments, the present disclosure provides devices and methods for cytometry and additional analysis. In various embodiments, the present disclosure provides a cartridge device and a reader instrument device, wherein the reader instrument device receives, operates, and/or actuates the cartridge device. In various embodiments, the present disclosure provides a method of using a device as disclosed herein for analyzing particles in a sample.

Abstract: The present disclosure relates to new types of fluid packaging devices and methods of making and using such fluid packaging devices. In various embodiments, the present disclosure provides devices, systems, and methods for packaging fluids. In various embodiments, the present disclosure provides a device including a storage compartment; a fluid stored in the storage compartment; a first aperture on the storage compartment; and a second aperture on the storage compartment. The first aperture is initially sealed or closed before the use of the device and configured to be opened to receive a pneumatic pressure. The second aperture is initially sealed or closed before the use of the device and configured to be opened to allow the fluid to exit or enter the storage compartment via the opened second aperture.

Abstract: The present invention provide compositions and methods for classifying leukocytes in a leukocyte population using fluorescence detection. The methods include contacting a leukocyte population in a sample having one or more leukocyte types with a diagnostic composition, exciting the leukocyte population with a light source; and measuring emitted light from each of the one or more leukocyte types to classify the leukocyte population.

Abstract: The disclosure relates to devices and methods for analyzing particles in a sample. In various embodiments, the present disclosure provides devices and methods for cytometry and additional analysis. In various embodiments, the present disclosure provides a cartridge device and a reader instrument device, wherein the reader instrument device receives, operates, and/or actuates the cartridge device. In various embodiments, the present disclosure provides a method of using a device as disclosed herein for analyzing particles in a sample.

Abstract: A method for analyzing biological samples is disclosed herein. In an embodiment, the method includes receiving a fluid sample into a cartridge device, which comprises: a fluidic chamber; at least one microfluidic channel in fluid communication with the fluidic chamber; and a venting port configured to apply a pneumatic force to the fluidic chamber; and inserting the cartridge device into a reader device to perform measurements, wherein the cartridge device is positioned in a vertical or tilted position such that at least a portion of the fluid sample inside the fluidic chamber is pulled by gravity in a direction away from the venting port or towards the bottom of the fluidic chamber.

Abstract: Methods and apparatuses for measuring parameters based on the presence or absence of fluid at a plurality of fluid sensing zones in a disposable cassette are described herein. In an embodiment, a fluidic device includes a disposable cartridge including a fluid channel, an instrument configured to receive the disposable cartridge, the instrument including at least one sensor having a plurality of fluid sensing zones spaced along the fluid channel when the disposable cartridge is received by the disposable cartridge, each fluid sensing zone configured to determine a presence or absence of fluid at a respective portion of the fluid channel, and a control unit configured to determine at least one of a fluid volume, a volume displacement, a flow rate, a flow velocity or a volume ratio of gas bubbles of the fluid based on the presence or absence of the fluid at each of the fluid sensing zones.

Abstract: A fluidic device for a cartridge for testing biological samples is disclosed herein. In an embodiment, the fluidic device includes a fluidic chamber, at least one microfluidic channel in fluid communication with the fluidic chamber, a venting port configured to apply a pneumatic force to the fluidic chamber, at least one passive valve located within the at least one microfluidic channel and configured to allow or stop fluid flow through the at least one microfluidic channel based on a pressure difference, and a controller configured to control the pneumatic force applied to the fluidic chamber via the venting port.

Abstract: The disclosure relates to devices and methods for analyzing blood cells in a sample. In various embodiments, the present disclosure provides devices and methods of performing complete blood count (CBC) testing. In various embodiments, the present disclosure provides a cartridge device and a reader instrument device, wherein the reader instrument device receives, operates, and/or actuates the cartridge device. In various embodiments, the present disclosure provides a method of using a device as disclosed herein for analyzing blood cells in a sample.

Abstract: The disclosure relates to devices and methods for analyzing particles in a sample. In various embodiments, the present disclosure provides devices and methods for cytometry and additional analysis. In various embodiments, the present disclosure provides a cartridge device and a reader instrument device, wherein the reader instrument device receives, operates, and/or actuates the cartridge device. In various embodiments, the present disclosure provides a method of using a device as disclosed herein for analyzing particles in a sample.

Abstract: In various embodiments, implants including reservoirs, such as intraocular lenses, feature flexible membranes and valves integrated therewith, the valves having apertures that are normally closed.

Abstract: The present invention provide compositions and methods for classifying leukocytes in a leukocyte population using fluorescence detection. The methods include contacting a leukocyte population in a sample having one or more leukocyte types with a diagnostic composition, exciting the leukocyte population with a light source; and measuring emitted light from each of the one or more leukocyte types to classify the leukocyte population.

Abstract: Methods and apparatuses for measuring parameters based on the presence or absence of fluid at a plurality of fluid sensing zones in a disposable cassette are described herein. In an embodiment, a fluidic device includes a disposable cartridge including a fluid channel, an instrument configured to receive the disposable cartridge, the instrument including at least one sensor having a plurality of fluid sensing zones spaced along the fluid channel when the disposable cartridge is received by the disposable cartridge, each fluid sensing zone configured to determine a presence or absence of fluid at a respective portion of the fluid channel, and a control unit configured to determine at least one of a fluid volume, a volume displacement, a flow rate, a flow velocity or a volume ratio of gas bubbles of the fluid based on the presence or absence of the fluid at each of the fluid sensing zones.

Abstract: A fluidic device for a cartridge for testing biological samples is disclosed herein. In an embodiment, the fluidic device includes a fluidic chamber, at least one microfluidic channel in fluid communication with the fluidic chamber, a venting port configured to apply a pneumatic force to the fluidic chamber, at least one passive valve located within the at least one microfluidic channel and configured to allow or stop fluid flow through the at least one microfluidic channel based on a pressure difference, and a controller configured to control the pneumatic force applied to the fluidic chamber via the venting port.