Sensor device containing mesoporous crystalline material
First Claim
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1. A sensor device comprising an inorganic, porous, non-layered crystalline phase material exhibiting, after calcination, an X-ray diffraction pattern with at least one peak at a d-spacing greater than about 18 Angstrom Units with a relative intensity of 100 and having a benzene sorption capacity of greater than 15 grams benzene per 100 grams of anhydrous crystal at 50 torr and 25°
- C., and a means for detecting, the device capable of detecting an event selected from the group consisting of sorption of a gas, change in pH, presence of metal ions, reaction between co-members of a biological affinity pair, presence of Lewis acid and presence of a Lewis base, said event occurring in the crystalline material.
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Abstract
A sensor device includes ultra-large pore crystalline material M41S as a selective detecting element, and a measuring element for quantifying physical, chemical or biological events which occur within the crystalline material. The crystalline material may also contain an additional selective detecting component within its pores.
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Citations
43 Claims
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1. A sensor device comprising an inorganic, porous, non-layered crystalline phase material exhibiting, after calcination, an X-ray diffraction pattern with at least one peak at a d-spacing greater than about 18 Angstrom Units with a relative intensity of 100 and having a benzene sorption capacity of greater than 15 grams benzene per 100 grams of anhydrous crystal at 50 torr and 25°
- C., and a means for detecting, the device capable of detecting an event selected from the group consisting of sorption of a gas, change in pH, presence of metal ions, reaction between co-members of a biological affinity pair, presence of Lewis acid and presence of a Lewis base, said event occurring in the crystalline material.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for detecting a compound selected from the group consisting of a gas, hydrogen ions (pH), metal ions, a co-member of a biological affinity pair, a Lewis acid and a Lewis base comprising contacting a medium containing the compound with a sensor device which comprises an inorganic, porous, non-layered crystalline phase material exhibiting, after calcination, an X-ray diffraction pattern with at least one peak at a d-spacing greater than about 18 Angstrom Units with a relative intensity of 100 and having a benzene sorption capacity of greater than 15 grams benzene per 100 grams of anhydrous crystal at 50 torr and 25°
- C. and detecting the compound in the crystalline material with a means for detecting.
- View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. A sensor device for sensing a gas selected from the group consisting of pyridine, thiophenes, mercaptans, furans, benzene, methane, carbon dioxide, carbon monoxide, NOx and SOx comprises M41S crystalline phase material and a detecting means comprising a piezoelectric crystal.
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39. A sensor device for sensing a gas selected from the group consisting of NH3, HCN, CO2, CO, SO2, NOx, O2, H2 O2, formaldehyde, organoamines, thiophenes, pyridine, piperidine and pyrrolidine comprises M41S crystalline phase material functionalized with an indicator molecule and a detecting means comprising a fiber optic cable.
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40. A sensor device for sensing a change in pH comprises M41S crystalline phase material functionalized with a pH indicator dye and a detecting material means comprising a fiber optic cable.
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41. A sensor device for sensing the presence of metal ions comprises M41S phase material containing an ionophore selected from the group consisting of phenanthroline, porphyrins, salen, salophen, cryptand, cyclam, crown ether and dimethylgloxine and a detecting means comprising potentiometric electrodes or spectroscopy.
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42. A sensor device for sensing a reaction between co-members of a biological affinity pair comprises M41S crystalline phase material containing one co-member of the biological pair, the pair selected from the group consisting of antigen-antibody, hapten-antibody, polysaccharide-receptor, monosaccharide-receptor, glycoprotein-receptor, glycolipid-lectin, enzyme-substrate, enzyme-cofactor, enzyme inhibitor-enzyme, neurotransmitter-neuroreceptor, hormone-neural receptor and single strand nucleic acid-complementary strand nucleic acid;
- and a detecting means comprising a member of the group consisting of electrochemical, autoradiographic and fiber optic measuring components.
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43. A sensor device for detecting Lewis acids or Lewis bases comprises M41S crystalline phase material functionalized with sites selected from the group consisting of Lewis acids which are aluminum, copper, cobalt and transition metals and Lewis bases which are nitrogen-containing polymer polypyrroles and amines, and a detecting means comprising spectroscopy.
Specification