Chemical biological device for display and light emission

Abstract

The present invention concerns a display device comprising: at least one micro-reaction-chamber (2) to which is associated an inlet (3a) to receive a reaction liquid and an outlet (4b) to discharge the product of reaction;at least one charge micro-channel (3) connected to said inlet (3a) and at least one discharge micro-channel (4) connected to said outlet (4b);a porous substratum (2a) situated inside said micro-reaction-chamber (2);at least one chemical and/or biological element (22) immobilised on the porous substratum (2a) capable of generating light emission when in contact with the reaction liquid.

Description

The invention will now be described in detail, as a simple example without limiting intent, with reference to the attached figures, in which:

FIG. 1 is a diagram that illustrates the structure of an embodiment of the device according to the present invention in cross-section;

FIGS. 2 and 3 show a diagram of the structure—in cross-section—of two embodiments of the device according to the present invention.

Claims

1. Chemical-biological display device (1) comprising: at least one micro-reaction-chamber (2) to which is associated an inlet (3a) to receive a reaction liquid and an outlet (4b) to discharge the reaction product;at least one charge micro-channel (3) connected to said inlet (3a) and at least one discharge micro-channel (4) connected to said outlet (4b);a porous substratum (2a) located inside said micro-reaction-chamber (2);at least one chemical and/or biological element (22) immobilised on the porous substratum (2a) capable of generating light emission when in contact with the reaction liquid.

2. Device according to claim 1, characterised in that it also includes at least one micro-valve (5) capable of controlling the opening and closing of a micro-channel (3,4).

3. Device according to claim 1, characterised in that it also includes at least one optical device (6) able to refract the light emitted.

4. Device according to claim 3, characterised in that said optical device (6) is an optical prism.

5. Device according to claim 1, characterised in that said device (1) also includes at least one micro-pump to regulate the flow of the reaction liquid.

6. Device according to claim 1, characterised in that said device (1) also includes at least one mixing chamber (7) situated upstream from said micro-reaction-chamber (2) and in communication with said micro-reaction-chamber (2).

7. Device according to any of claim 1, characterised in that said porous substratum (2a) presents through pores.

8. Device according to claim 2, characterised in that said micro-valve (5) is realised in an SMA or polymer-magnetic material sensitive to temperature variations.

9. Device according to claim 1, characterised in that said chemical and/or biological element (22) is immobilised on said porous substratum (2a) through covalent or non-covalent bonds.

10. Device according to claim 9, characterised in that said bonds between said chemical and/or biological element (22) and said porous substratum (2a) are realised through a bi-functional chemical compound capable of bonding on one side to said porous substratum (2a) and on the other side to said biological element (22).

11. Device according to claim 1, characterised in that said micro-reaction-chamber (2) is comprised of a base structure (20) and a covering structure (10).

12. Device according to claim 11, characterised in that said base structure (20) and said covering structure (10) are joined together by means of bonding techniques.

13. Device according to claim 11, characterised in that at least said base structure (20) and optionally also said covering structure (10) present one or more charge and discharge channels and one or more micro-chambers that are connected to form said charge micro-channels (3) and said discharge micro-channels (4), said micro-reaction-chambers (2) and said mixing chambers (7).