Solid Phase Multi-Analyte Assay Merging

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Solution Overview

Problem

Current methods for determining the presence and amount of multiple analytes in a sample require separate solid phase components, leading to increased cost, complexity, and time, making them inefficient and prone to operator errors.

Innovation Solution

The use of solid phase analyte compositions with multiple analytes bound to a single solid phase support, allowing for simultaneous, serial, or tandem detection using competitive immunoassays with differentially labeled antibodies.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If separate solid phase components are used for each analyte, then detection of multiple analytes is achieved, but cost, time, and complexity increase

Engineering Contradiction:
Improvedetection capabilityVSAvoidassay complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

Multiple different analytes are bound to a single solid phase component, allowing simultaneous detection of multiple analytes in one assay instead of requiring separate components for each analyte

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

A single solid phase component serves multiple functions by binding multiple different analytes, enabling the same component to be used for detecting multiple different analytes through competitive immunoassay

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Measurement precision

If separate solid phase components are used for each analyte, then detection of multiple analytes is achieved, but time consumption increases

Engineering Contradiction:
Improvedetection capabilityVSAvoidassay time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

Multiple different analytes are bound to a single solid phase component, allowing simultaneous detection of multiple analytes in one assay instead of requiring separate components for each analyte

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The solid phase component with multiple bound analytes can continuously detect multiple analytes in a single continuous assay process, eliminating the need for sequential testing

Inventive Principle:
Principle #20Continuity of useful action

3Measurement precision

If separate solid phase components are used for each analyte, then detection of multiple analytes is achieved, but cost increases

Engineering Contradiction:
Improvedetection capabilityVSAvoidcost
Core Design Contradiction:
Measurement precisionVSQuantity of substance

Solution Approach 1:

Multiple different analytes are bound to a single solid phase component, allowing simultaneous detection of multiple analytes in one assay instead of requiring separate components for each analyte

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

A single solid phase component serves multiple functions by binding multiple different analytes, enabling the same component to be used for detecting multiple different analytes through competitive immunoassay

Inventive Principle:
Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This approach reduces the cost, time, and complexity of multi-analyte assays while maintaining high sensitivity and efficiency, enabling rapid detection of multiple analytes in a single assay.

Implementation Method 1

binding between the bound antibody and analyte present in a sample is detected

Methodology Applied
Scientific EffectAntigen-antibody binding:

Implementation Method 2

the solid phase analyte competes with analyte present in a sample for binding to an antibody specific for the analyte

Methodology Applied
Scientific EffectCompetitive inhibition:

Implementation Method 3

it is labeled, such as radioactively

Methodology Applied
Scientific EffectRadioactive labeling: Radioactive Decay

Implementation Method 4

fluorescently

Methodology Applied
Scientific EffectFluorescent labeling: Fluorescence

Implementation Method 5

luminescently

Methodology Applied
Scientific EffectLuminescent labeling: Luminescence

Implementation Method 6

enzymatically (e.g., an enzymatic reaction occurs in the presence of an appropriate substrate, resulting in a color change)

Methodology Applied
Scientific EffectEnzymatic reaction: Enzyme

Data Source

PatentUS10539580B2Solid phase multi-analyte assay
Publication Date: 2020.01.21 PSYCHEMEDICS CORP
  • US10539580B2 patent drawing
  • US10539580B2 patent drawing
  • US10539580B2 patent drawing

AI summary

Compositions and methods for detecting the presence and/or amount of one or more analytes, including analytes such as drugs of abuse, are provided. The compositions include two or more analytes associated with a solid phase, e.g., a particle or a multiwell plate. The compositions and methods also allow the simultaneous, tandem, or serial determination of the presence and/or amount of two or more analytes of interest in a sample.