Macromolecular conjugate made using unsaturated aldehydes
First Claim
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1. A labeled conjugate probe comprising:
- a labeling group conjugated to a water-soluble polyglutaraldehyde prepared by polymerization at a pH of between 8 and 12 for up to about 48 hours, then acidifying to a pH of between 2 and 7, then separating the water-soluble polyglutaraldehyde from any water-insoluble polyglutaraldehyde, wherein the water-soluble polyglutaraldehyde is bound to a probe molecule selected from the group consisting of proteins, nucleic acids, carbohydrates, and lipids.
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Abstract
Conjugate probes are prepared in a one step process by incubating a macromolecule and a labeling group with an unsaturated polyaldehyde as the conjugating agent. The conjugating agent is capable of bonding virtually any labeling group to a macromolecule. Conjugate probes have been shown to have a high degree of specificity and exhibit a strong signal with minimal background.
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31 Claims
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1. A labeled conjugate probe comprising:
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a labeling group conjugated to a water-soluble polyglutaraldehyde prepared by polymerization at a pH of between 8 and 12 for up to about 48 hours, then acidifying to a pH of between 2 and 7, then separating the water-soluble polyglutaraldehyde from any water-insoluble polyglutaraldehyde, wherein the water-soluble polyglutaraldehyde is bound to a probe molecule selected from the group consisting of proteins, nucleic acids, carbohydrates, and lipids. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A conjugate probe comprising
a labeling group conjugate to a water-soluble polymeric unsaturated aldehyde selected from the group consisting of alpha-beta unsaturated aldehydes other than polyglutaraldehyde, aryl aldehydes, and aldehydes containing both alpha-beta unsaturated and aryl aldehyde groups, and unsaturated aldehydes thereof containing additional unsaturation, wherein the aldehyde is bound to a probe molecule selected from the group consisting of proteins, nucleic acids, carbohydrates, and lipids.
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14. A method of preparing a labelled conjugate probe comprising
attaching a water-soluble polyglutaraldehyde prepared by polymerization at a pH of between 8 and 12 for up to about 48 hours, then acidifying to a pH of between 2 and 7, then separating the water-soluble polyglutaraldehyde from any water-insoluble polyglutaraldehyde, to a labeling group and a probe molecule selected from the group consisting of proteins, nucleic acids, carbohydrate, and lipid.
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18. A method of preparing a labelled conjugate probe comprising attaching a water-soluble polymeric unsaturated aldehyde selected from the group consisting of alpha-beta unsaturated aldehydes other than polyglutaraldehyde, aryl aldehydes, and aldehydes containing both alpha-beta unsaturated and aryl aldehyde groups, and unsaturated aldehydes thereof containing additional unsaturation, to
a labeling group and a probe molecule selected from the group consisting of proteins, nucleic acids, carbohydrate, and lipid.
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20. A method of detecting a target molecule in a biological sample comprising the steps of:
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a) reacting a labeled conjugate probe with the sample;
b) binding the labeled conjugate to the target molecule in the sample to form a complex; and
c) detecting the label of the bound conjugate, wherein detection of the label indicates the presence of the target molecule, wherein the target molecule is selected from the group consisting of antigens, antibodies, receptor molecules, receptor ligands, single and double stranded DNA and RNA, and the labeled conjugate probe comprises;
a labeling group conjugated to a water-soluble polyglutaraldehyde prepared by polymerization at a pH of between 8 and 12 for up to about 48 hours, then acidifying to a pH of between 2 and 7, then separating the water-soluble polyglutaraldehyde from any water-insoluble polyglutaraldehyde, and wherein the water-soluble polyglutaraldehyde is bound to a probe molecule selected from the group consisting of proteins, nucleic acids, carbohydrates, and lipids. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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Specification