Single-Analyte Binding Profiling for Time-Dependent Kinetics
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing bulk-scale methods struggle to accurately characterize the time-dependent binding interactions of diverse molecular populations, particularly in systems with significant chemical diversity, such as proteomic samples, due to ensemble averaging and inability to distinguish individual molecules with unique binding kinetics.
Innovation Solution
A method and system for characterizing analytes at single-analyte resolution, involving an array of analytes with optically resolvable distances, detection of binding entities at multiple time points, and processing binding information to identify changes and distinguish analytes, using a fluidic system and detection device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If bulk-scale methods are used to characterize binding interactions, then the measurement process is simple and fast, but the precision and ability to distinguish individual molecules with unique binding kinetics is lost due to ensemble averaging
Solution Approach 1:
The patent segments the molecular population into individual single-molecule entities arranged in spatial arrays. Each molecule is individually addressable and detectable, allowing separate characterization of binding kinetics for each molecule rather than measuring an ensemble average. This segmentation enables precise measurement of individual binding events while maintaining statistical power through the large number of simultaneously monitored molecules.
Solution Approach 2:
The patent transitions from bulk-scale three-dimensional mixing to a two-dimensional surface array where molecules are immobilized at defined positions. This dimensional change allows spatial resolution and individual molecule addressing while maintaining high throughput through parallel detection of many molecules across the array surface.
2Loss of information
If single-molecule detection is implemented, then individual binding kinetics can be distinguished, but the complexity of the detection system and data processing increases significantly
Solution Approach 1:
The patent employs universal detection methods that can characterize multiple different analytes using the same binding entity and detection approach. The system is designed to handle diverse molecular populations with a single platform, reducing the need for analyte-specific complex instrumentation while preserving individual kinetic information through standardized single-molecule detection protocols.
3Adaptability or versatility
If diverse molecular populations are analyzed at single-analyte resolution, then comprehensive binding profiles can be obtained, but the time required for characterization increases
Solution Approach 1:
The patent combines multiple characterization capabilities into a single experimental setup. By immobilizing diverse analytes in spatial arrays and using a common binding entity with universal detection, the system simultaneously characterizes multiple different molecules in parallel. This merging of functions maintains high versatility for diverse molecular populations while achieving high throughput through parallel processing of many analytes at once.
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
Enables precise characterization of individual binding interactions and kinetics of diverse molecules, facilitating categorization and identification of proteins with favorable or unfavorable binding profiles, even in high-abundance and low-abundance scenarios.
Implementation Method 1
detecting for each analyte of the plurality of different analytes a presence or an absence of binding of a binding entity of the plurality of binding entities at single-analyte resolution
Data Source
AI summary
Methods for characterizing one or more molecules based upon detection of time-dependent changes in binding interactions between the molecules and binding entities are provided. Characterizations of individual molecules by provided methods include identification of the molecules and determination of previously uncharacterized time-dependent binding interactions between the molecules and binding entities.