datasheet - Dolomite Microfluidics

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The Dolomite Centre Ltd Description Featuring both a hydrophobic and hydrophilic flow focussing droplet junction, this glass microfluidic chip enables the formation of water-in-oil-in-water droplets ranging from 80 to 120μm (outer) and 50 to 90μm (inner) in diameter. The chip can also be reversed to create oil-in-water-in-oil droplets. Applications include drug delivery, high throughput screening, food based emulsions and bio-analytical studies. The Double Emulsion Chip is compatible with the Linear Connector 4-way (Part No. 3000024) and the Chip Interface H (Part No. 3000155) for quick and reliable fluidic connection from tubing to chip. Top Left: Double Emulsion Chip (Part No. 3200262). Top Right: Microscope image of double emulsion droplets with an outer diameter of 100μm. Bottom Left: Chip Interface H with 2 x Linear Connectors 4-way. Bottom Right: Double emulsion of water-in-oil-in-water formed in the Double Emulsion Chip (Part No. 3200262). 3200262_double_emulsion_chip_product_datasheet.doc Page 2 of 8
The Dolomite Centre Ltd Benefits Features both a hydrophobic and hydrophilic flow focusing droplet junction Rapid generation of water-in-oil-in-water droplets in the size range of 80 to 120μm (outer droplet) and 50 to 90μm (inner droplet) in diameter Chip can be reversed to create oil-in-water-in-oil droplets Ideal for producing and analysing micro-emulsions Excellent chemical compatibility High visibility (excellent access for optics) Compatible with Dolomite Multiflux® Linear Connectors for quick and reliable fluidic connection Specifications Specification Double Emulsion Chip (Part No. 3200262) Channel cross-section at junction (depth x width) Wide channel cross-section (depth x width) Droplet size range Surface coating at 1 st junction Surface coating at 2 nd junction Surface coating transition 100μm x 105μm 100μm x 300μm Outer droplet: Ø 80 - 120μm Inner droplet: Ø 50 - 90μm Hydrophobic Hydrophilic Midpoint between 1 st junction and 2 nd junction (± 4 mm) Number of inputs 5 Number of outputs 1 Chip size (length x width x thickness) Chip top and base layer thickness Channel length after junction Back pressure with 100µl/min flow of water Surface roughness of channels (R a ) Max. operating pressure Material Fabrication 22.5mm x 15.0mm x 4mm 2.0mm 6.25mm 0.02bar 5nm up to 30bar Glass HF etching and thermal bonding 3200262_double_emulsion_chip_product_datasheet.doc Page 3 of 8
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datasheet - Dolomite Microfluidics

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