FLOW CELL AND METHOD FOR MANUFACTURING THE SAME
First Claim
1. A flow cell for an aqueous sample, the flow cell comprising:
- a hydrophobic substrate; and
a porous member provided on the hydrophobic substrate, the porous member comprising;
a first region having a network structure; and
a second region positioned on the first region and having a lower pore density than the first region;
wherein a cavity is formed between the hydrophobic substrate and the second region, the first region being positioned in the cavity, andwherein a capillary force generated within the porous member is a drive force for pumping a liquid.
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Abstract
An object of the invention is to provide various flow cells and a method for manufacturing the same, in which formation of a groove on a substrate and formation of components such as an electrode, auxiliary parts such as a pump are not necessary. The inventive flow cells are capable of realize complicated chemical analysis or synthesis or the like. A channel of a porous member provided on a sample-incompatible substrate is formed; the porous member is composed of an air non-contact region having a network structure and an air contact region covering the air non-contact region and having a lower pore density than the air non-contact region; in which a capillary force to be generated within the porous member is a drive force for pumping a liquid.
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Citations
16 Claims
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1. A flow cell for an aqueous sample, the flow cell comprising:
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a hydrophobic substrate; and a porous member provided on the hydrophobic substrate, the porous member comprising; a first region having a network structure; and a second region positioned on the first region and having a lower pore density than the first region; wherein a cavity is formed between the hydrophobic substrate and the second region, the first region being positioned in the cavity, and wherein a capillary force generated within the porous member is a drive force for pumping a liquid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A flow cell for a non-aqueous sample, the flow cell comprising:
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a hydrophilic substrate; and a porous member positioned on the hydrophilic substrate, the porous member comprising; a first region having a network structure; and a second region positioned on the first region and having a lower pore density than the first region; wherein a cavity is formed between the hydrophillic substrate and the second region, the first region being positioned in the cavity, and wherein a capillary force generated within the porous member is a drive force for pumping a liquid. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification