Bio-rad Laboratories, Inc.

Steve Hobbs

John Dzenitis

David P Stumbo

Stefano Schiaffino

Dmitri Simonian

Joshua T Oen

Thomas Henry Cauley, Iii

Denis Pristinski

David Glade

George Carman

Anthony Makarewicz

Anthony Joseph Makarewicz, Jr

Systems and methods for detection of a signal from droplets of an emulsion. An exemplary system may comprise a fluid transporter having a tube with an open end for aspirating droplets, a singulator to arrange the droplets in single file and to space the single-file droplets from one another, and a detection channel in optical communication with a detector configured to detect a signal from droplets. In some embodiments, the singulator may have a channel junction at which a stream of droplets in single file is combined with a stream of spacing fluid, and a tapered spacing channel extending downstream from the channel junction toward the detection channel. In some embodiments, the fluid transporter may suck droplet-containing fluid and spacing fluid through the detection channel from respective sources. In some embodiments, droplets may be subjected to a disaggregation routine before they are passed through the detection channel.

System and method for droplet detection

Systems, methods, and devices for forming an array of emulsions. An exemplary device comprises a frame and at least one or a plurality of separate microfluidic modules mounted to the frame and each configured to form an array of emulsions. In some embodiments, each module may be mounted by snap-fit attachment. The device also may include the same sealing member bonded to a top side of each module and hermetically sealing each of the modules. Another exemplary microfluidic device for forming an array of emulsions comprises a stack of layers bonded together. The stack may comprise a port layer forming a plurality of ports. Each port may have a top rim formed by a protrusion that encircles the central axis of the port. The rims may be coplanar with one another to facilitate bonding of a sealing member to each rim.

System, method, and device for forming an array of emulsions

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Pleasanton, CA, United States of America

Steve Hobbs