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Product Infomation
Product Name Standard 2-Phase Microdroplet Generation Microfluidic Chip (Flow-focused Type)
Catalog Number MC-SPC-002
Physical Specs PDMS chip: 62*19*2 mm; B270 glass: 75*25*2 mm
Description Microdroplet microfluidics is a technology that utilizes the interfacial tension and flow shear forces between two immiscible fluids to segment a continuous liquid stream into tiny, dispersed droplets. In conventional microdroplet generation units, the "flow focusing" structure is more stable during the microdroplet generation process compared to "T"-shaped chip structures, offering a wider range of controllable droplet sizes and facilitating the generation of droplets with diameters far smaller than the chip channel dimensions. The standard two-phase flow-focusing microdroplet chip is produced by covalently bonding a perforated glass substrate with a PDMS chip featuring micron-scale channels. The surface of the chip’s channels is modified with a special hydrophobic coating to ensure stable microdroplet generation.
Applications Used for the preparation of oil-in-water microdroplets following the mixing of two aqueous phases, suitable for producing oil-in-water microdroplets/microspheres with diameters ranging from 25 to 140 μm, including Janus microspheres; single-cell encapsulated microdroplets/microspheres; and microdroplets/microspheres prepared using two-aqueous-phase reagents, such as sodium alginate microspheres.
Features Enables rapid connection and switching between tubing and chips (when used with PDMS microdroplet generation chip fixtures); easy to observe under a microscope; stable microdroplet generation; non-toxic and biocompatible; high light transmittance and strong gas permeability (oxygen, carbon dioxide, etc.); low cost.
Material PDMS & B270 Glass
Manufacturing Process Soft lithography, plasma-assisted bonding
Pressure Resistance 2500 mbar (when used with a fixture)
Flow Channel Surface Modification Hydrophobic
Supporting Fixtures Standard PDMS microdroplet chip holder (with silicone plug)
Droplet Generation Unit 1
Droplet Diameter 25-35 μm, 40-60 μm, 85-140 μm
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