Nanoporous organosilicas as pre-concentration materials for sensors
First Claim
1. A molecularly imprinted material comprising pores or channels having surfaces that include a plurality of molecularly imprinted cavities;
- wherein the material comprises a polymer made from polymerizing a monomer having the structural formula (OR)3Si—
B-A-B—
Si(OR)3;
wherein A is a divalent organic group;
wherein each B is an independently selected saturated or unsaturated divalent hydrocarbon group or a covalent bond;
wherein each R is an independently selected saturated or unsaturated monovalent hydrocarbon group; and
wherein the material is made by a method comprising;
combining a solvent, the monomer, and a surfactant coupled to an imprint group;
wherein the imprint group is decylaminetrinitrobenzene;
wherein molecules of the surfactant self-assemble to form at least one supramolecular structure having a surface and wherein the imprint groups are exposed on the surface; and
wherein the supramolecular structure serves as a template for the organizing of molecules of the monomer along the surface of the supramolecular structure and around the exposed imprint groups;
polymerizing the monomer to form a solid structure having a surface topography complementary to the surface topography of the supramolecular structure and having indentations complementary to the shape of the exposed imprint groups; and
removing the supramolecular structure from the solid structure.
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Accused Products
Abstract
A molecularly imprinted material made from polymerizing a monomer having the structural formula (OR)3Si—B-A-B—Si(OR)3. A is a divalent organic group, B is a saturated or unsaturated divalent hydrocarbon group or a covalent bond, and R is an independently selected saturated or unsaturated monovalent hydrocarbon group. A preconcentrator having: a container comprising in inlet and an outlet and the above material within the container. The inlet is capable of allowing a fluid to enter the container. The outlet is capable of being coupled to a sensor and of allowing the fluid to exit the container.
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Citations
16 Claims
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1. A molecularly imprinted material comprising pores or channels having surfaces that include a plurality of molecularly imprinted cavities;
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wherein the material comprises a polymer made from polymerizing a monomer having the structural formula (OR)3Si—
B-A-B—
Si(OR)3;wherein A is a divalent organic group; wherein each B is an independently selected saturated or unsaturated divalent hydrocarbon group or a covalent bond; wherein each R is an independently selected saturated or unsaturated monovalent hydrocarbon group; and wherein the material is made by a method comprising; combining a solvent, the monomer, and a surfactant coupled to an imprint group; wherein the imprint group is decylaminetrinitrobenzene; wherein molecules of the surfactant self-assemble to form at least one supramolecular structure having a surface and wherein the imprint groups are exposed on the surface; and wherein the supramolecular structure serves as a template for the organizing of molecules of the monomer along the surface of the supramolecular structure and around the exposed imprint groups; polymerizing the monomer to form a solid structure having a surface topography complementary to the surface topography of the supramolecular structure and having indentations complementary to the shape of the exposed imprint groups; and removing the supramolecular structure from the solid structure. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A preconcentrator comprising:
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a container comprising in inlet and an outlet; wherein the inlet is capable of allowing a fluid to enter the container; and wherein the outlet is capable of being coupled to a sensor and of allowing the fluid to exit the container; and a material within the container; wherein the material comprises a polymer made from polymerizing a monomer having the structural formula (OR)3Si—
B-A-B—
Si(OR)3;wherein A is a divalent organic group; wherein each B is an independently selected saturated or unsaturated divalent hydrocarbon group or a covalent bond; and wherein each R is an independently selected saturated or unsaturated monovalent hydrocarbon group; wherein the material is made by a method comprising; combining a solvent, the 1,4-bis(trimethoxysilyl)benzene, and a surfactant coupled to an imprint group; wherein the imprint group is decylaminetrinitrobenzene; wherein molecules of the surfactant self-assemble to form at least one supramolecular structure having a surface and wherein the imprint groups are exposed on the surface; and wherein the supramolecular structure serves as a template for the organizing of molecules of the 1,4-bis(trimethoxysilyl)benzene along the surface of the supramolecular structure and around the exposed imprint groups; polymerizing the 1,4-bis(trimethoxysilyl)benzene to form a solid structure having a surface topography complementary to the surface topography of the supramolecular structure and having indentations complementary to the shape of the exposed imprint groups; and removing the supramolecular structure from the solid structure. - View Dependent Claims (8, 9, 10, 11)
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12. A method of making a material having a molecularly imprinted surface comprising:
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providing a solvent, a monomer, and a surfactant coupled to an imprint group; wherein the imprint group is decylaminetrinitrobenzene; wherein the monomer has the structural formula (OR)3Si—
B-A-B—
Si(OR)3;wherein A is a divalent organic group; wherein each B is an independently selected saturated or unsaturated divalent hydrocarbon group or a covalent bond; and wherein each R is an independently selected saturated or unsaturated monovalent hydrocarbon group; combining the solvent, the monomer, and the surfactant; wherein molecules of the surfactant self assemble to form at least one supramolecular structure having a surface and wherein the imprint groups are exposed on the surface; and wherein the supramolecular structure serves as a template for the organizing of molecules of the monomer along the surface of the supramolecular structure and around the exposed imprint groups; polymerizing the monomer to form a solid structure having a surface topography complementary to the surface topography of the supramolecular structure and having indentations complementary to the shape of the exposed imprint groups; and removing the supramolecular structure from the solid structure. - View Dependent Claims (13, 14, 15, 16)
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Specification