Apparatus and methods for multi-step channel emulsification
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United States of America Patent
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Aug 24, 2021
Grant Date -
Aug 20, 2020
app pub date -
Apr 27, 2020
filing date -
Mar 16, 2015
priority date (Note) -
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Abstract
Methods and devices for forming droplets are provided. In certain embodiments, the methods and devices form droplets having different diameters. In particular embodiments, the device includes a fluid supply channel, a collection chamber, and one or more nozzles disposed between the fluid supply channel and the collection chamber. Each nozzle may include an inlet portion with a channel height, a first step with a first step height and a first tread length, and a second step with a second step height and a second tread length. In certain embodiments, the first step height is greater than the channel height, and the second step height is greater than the first step height.
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