Devices and formulations for detecting, screening and monitoring levels of certain constituents in bodily fluids and method
First Claim
1. A method of screening for liver cancer NAFLD-associated malignancies in a patient, said method comprising the steps of:
- (a) obtaining a biological sample from a patient;
(b) providing a plurality of detector devices, wherein each detector device comprises a plurality of detection reagents which specifically binds to an analyte, selected from the group consisting of glucose, cholesterol, alanine aminotransferase (ALT), aspartate aminotransferase (AST), and combinations thereof, further wherein the detection reagent is selected from the group consisting of polyclonal antibodies, monoclonal antibodies;
synthetic mono-, oligo- and polysaccharides;
lectins;
avidin and streptavidin;
biotin; and
combinations thereof,wherein the binding of detection reagent to analyte provides a visual indication of the presence and level of analyte in the sample,(c) applying the sample to at least one of the plurality of detector devices, and(d) ascertaining the presence and level of analyte in said sample,wherein the screening is positive for NAFLD-associated malignancies if elevated levels of at least three of the analytes selected from the group consisting of glucose, cholesterol, alanine aminotransferase (ALT), and aspartate aminotransferase (AST) relative to a predetermined reference range and/or control sample analyte are detected.
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Abstract
A device is disclosed for conducting a non-invasive analysis of a bodily fluid to determine the presence and level of a certain constituent carried by the bodily fluid. An indicator formulation of the device changes color in response to exposure to the constituent to provide a visible indication of the presence and level of the constituent carried by the bodily fluid. A carrier substrate of the device is constructed of a material having voids providing a high void volume within the substrate. The device is made by applying a chromagen to the carrier substrate to create a chromagen-laden carrier member. Then, a selected reagent having a particular constituent-specific formulation is applied to the chromagen-laden member. The selected reagent then combines with the chromagen thereby establishing the indicator formulation within the carrier substrate in place for reception of a sample of the bodily fluid.
12 Citations
8 Claims
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1. A method of screening for liver cancer NAFLD-associated malignancies in a patient, said method comprising the steps of:
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(a) obtaining a biological sample from a patient; (b) providing a plurality of detector devices, wherein each detector device comprises a plurality of detection reagents which specifically binds to an analyte, selected from the group consisting of glucose, cholesterol, alanine aminotransferase (ALT), aspartate aminotransferase (AST), and combinations thereof, further wherein the detection reagent is selected from the group consisting of polyclonal antibodies, monoclonal antibodies;
synthetic mono-, oligo- and polysaccharides;
lectins;
avidin and streptavidin;
biotin; and
combinations thereof,wherein the binding of detection reagent to analyte provides a visual indication of the presence and level of analyte in the sample, (c) applying the sample to at least one of the plurality of detector devices, and (d) ascertaining the presence and level of analyte in said sample, wherein the screening is positive for NAFLD-associated malignancies if elevated levels of at least three of the analytes selected from the group consisting of glucose, cholesterol, alanine aminotransferase (ALT), and aspartate aminotransferase (AST) relative to a predetermined reference range and/or control sample analyte are detected. - View Dependent Claims (2, 3, 4)
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5. A method of screening for NAFLD-associated malignancies in a patient, said method comprising the steps of:
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(a) obtaining a biological sample from a patient; (b) providing a detector device, wherein the detector device comprises a plurality of detection reagents which specifically binds to an analyte, selected from the group consisting of glucose, cholesterol, alanine aminotransferase (ALT), aspartate aminotransferase (AST), and combinations thereof, further wherein the detection reagent is selected from the group consisting of monoclonal antibodies;
synthetic mono-, oligo- and polysaccharides;
lectins;
avidin and streptavidin;
biotin; and
combinations thereof,wherein the binding of detection reagent to analyte provides a visual indication of the presence and level of analyte in the sample, (c) applying the sample to the detector device, and (d) ascertaining the presence and level of analyte in said sample, wherein the screening is positive for NAFLD-associated malignancies if elevated levels of at least three of the analytes selected from the group consisting of glucose, cholesterol, alanine aminotransferase (ALT), and aspartate aminotransferase (AST) relative to a predetermined reference range and/or control sample analyte are detected. - View Dependent Claims (6, 7, 8)
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Specification