One of the challenges in using micro- or nanoscale devices is the connection to the macro world. Microfluidic devices are getting smaller and smaller and so are pumps and detection equipment, but how to connect them to each other?
For the connection of glass microfluidic devices to each other or to external equipment, Micronit offers several solutions.
For experimental setups, Micronit offers different chip holders for connecting microfluidic chips to peripheral equipment. The Fluidic Connect Chip Holder is suitable for pressure-driven flow experiments; the Microfluidic EOF Kit is suitable for electro-osmotic flow experiments, such as capillary electrophoresis.
Both chip holders are available in standard configurations, but Micronit can adapt them to specific needs. Micronit Microfluidics also provides custom connecting and packaging solutions.
Micronit is developing a new type of fluidic connection, in addition to its currently standardized Fluidic Connect Pro platform. The patent pending SideConnect technology simplifies the microfluidic chip/cartridge design and thus reduces product costs. Microfluidic access is provided on the edge of the chip at the bonding interface between top and bottom wafer (side connection), thus avoiding additional processing like hole drilling or powder blasting in the top layer. Moreover, the functional area of a chip can be significantly reduced due to the smaller footprint of the design (only channels).
Compared to existing solutions on the market, Micronit’s SideConnect technology enables connections to chips of any material (glass, silicon or polymer), down to 800 µm total thickness and for the 3D SideConnect even down to cover slip /thin bottom thickness (100 µm). The microfluidic chip can be connected using the SideConnect platform to a polymer cartridge either in a 2D (in plane) or a 3D (out-of-plane) design. The SideConnect to a 2D cartridge features customized seals for connection to 1/16” tubing integrated inside the cartridge resulting in a slim assembly, which is easily accessible for optical applications. SideConnect also enables a straight-through path for instance for droplets produced in one of the available droplet generators. The SideConnect 3D cartridge contains top reservoirs in the cartridge which make access for pipetting a defined volume of sample, buffer or reagent possible.
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