This application provides fluidic devices, such as microfluidic devices, which can be used for the creation and/or manipulation of droplets in droplet-based microfluidic systems, as well as systems and methods for using the same. The microfluidic devices can be used to generate droplets, extract or inject volume to droplets, and/or split droplets. Also provided are methods for generating nucleosomes, and isolated DNA from nucleosomes (or from non-nucleosomes), for example using the disclosed devices.

This application provides fluidic devices, such as microfluidic devices, which can be used for the creation and/or manipulation of droplets in droplet-based microfluidic systems, as well as systems and methods for using the same. The microfluidic devices can be used to generate droplets, extract or inject volume to droplets, and/or split droplets. Also provided are methods for generating nucleosomes, and isolated DNA from nucleosomes (or from non-nucleosomes), for example using the disclosed devices.

The present invention generally relates to a combination of molecular barcoding and emulsion-based microfluidics to isolate, lyse, barcode, and prepare nucleic acids from individual cells in a high-throughput manner.

The present invention generally relates to a combination of molecular barcoding and emulsion-based microfluidics to isolate, lyse, barcode, and prepare nucleic acids from individual cells in a high-throughput manner.

In a method for the desorption of nucleic acids from a sample, in order to simplify the desorption of nucleic acids from the sample, a solid phase is repeatedly rinsed with an elution buffer in a microfluidic system, in order to elute nucleic acids bonded to the solid phase from the solid phase in the microfluidic system.

In a method for the desorption of nucleic acids from a sample, in order to simplify the desorption of nucleic acids from the sample, a solid phase is repeatedly rinsed with an elution buffer in a microfluidic system, in order to elute nucleic acids bonded to the solid phase from the solid phase in the microfluidic system.

Devices, systems, and their methods of use, for generating droplets are provided. One or more geometric parameters of a microfluidic channel can be selected to generate droplets of a desired and predictable droplet size.

Devices, systems, and their methods of use, for generating droplets are provided. One or more geometric parameters of a microfluidic channel can be selected to generate droplets of a desired and predictable droplet size.

The present invention is directed to a method for extraction of cell-free nucleic acid fragments from a blood sample to facilitate cancer diagnosis, prognosis and monitoring as well as prenatal screening. The present invention provides a cartridge comprising a first compartment for filtering plasma from a blood sample and preferably also for cell fixation and cell rinsing in order to improve yield and a second compartment for performing nucleic acid separation, wherein the first compartment comprises a hollow fiber membrane and the second compartment comprises material for binding the nucleic acids or a gel for electrophoresis. The invention also provides and an automated system comprising a device with a docking site adapted to receive said cartridge, said device comprising means adapted to operate the blood plasma filtering process in said cartridge and means adapted to operate nucleic acid separation in said cartridge.

The present invention is directed to a method for extraction of cell-free nucleic acid fragments from a blood sample to facilitate cancer diagnosis, prognosis and monitoring as well as prenatal screening. The present invention provides a cartridge comprising a first compartment for filtering plasma from a blood sample and preferably also for cell fixation and cell rinsing in order to improve yield and a second compartment for performing nucleic acid separation, wherein the first compartment comprises a hollow fiber membrane and the second compartment comprises material for binding the nucleic acids or a gel for electrophoresis. The invention also provides and an automated system comprising a device with a docking site adapted to receive said cartridge, said device comprising means adapted to operate the blood plasma filtering process in said cartridge and means adapted to operate nucleic acid separation in said cartridge.