Recessed Well Slide for Protein Aggregation Spectral Analysis

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Solution Overview

Problem

Current techniques fail to comprehensively assess protein aggregation in protein therapeutics, particularly in terms of size, identity, mechanism, and extent, which affects the stability and safety of protein therapeutics, leading to challenges in drug development and regulatory compliance.

Innovation Solution

A system comprising a slide with recessed wells for sample analysis, a holder for secure and thermal management, and a method for emitting and detecting electromagnetic radiation to determine the size, identity, mechanism, and extent of protein aggregation, providing a high-throughput, reproducible, and accurate analysis.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If conventional techniques are used for protein aggregation assessment, then the analysis process is simple, but the measurement precision and comprehensiveness of aggregation characterization are insufficient

Engineering Contradiction:
Improveaggregation characterization precisionVSAvoidanalysis system complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The device segments the analysis into distinct functional zones: a sample region for protein aggregation analysis and a trough region for reference measurements or waste collection. This segmentation enables simultaneous acquisition of sample and reference data, improving measurement precision while maintaining manageable device complexity through modular functional separation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention transitions from conventional single-point or single-well analysis to a multi-well plate format with integrated optical pathways. By utilizing the two-dimensional array of wells and implementing optical paths that traverse multiple wells simultaneously, the system achieves comprehensive aggregation characterization across multiple samples in parallel, enhancing measurement precision without proportionally increasing complexity.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Productivity

If high-throughput analysis is implemented, then productivity increases, but the difficulty of detecting and measuring aggregation parameters increases

Engineering Contradiction:
Improveanalysis throughputVSAvoidaggregation detection difficulty
Core Design Contradiction:
ProductivityVSDifficulty of detecting and measuring

Solution Approach 1:

The optical system is designed with universal components that can detect multiple aggregation parameters (size, intensity, conformational changes) across all wells simultaneously. The imaging device and optical pathways are configured to capture comprehensive spectral data from each well in a single measurement cycle, enabling high-throughput analysis while simplifying the detection process through standardized multi-functional optics rather than requiring separate measurements for each parameter.

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

Solution Approach 2:

The system uses optical imaging to create copies of the aggregation signal from multiple wells simultaneously. By capturing images or spectral data from all wells in parallel and processing these optical copies through image analysis algorithms, the system achieves high throughput while reducing the difficulty of individual well measurement, as the same optical pathway and analysis methods are applied uniformly across all samples.

Inventive Principle:
Principle #26Copying

3Measurement precision

If multiple aggregation parameters are measured simultaneously, then measurement precision improves, but the device complexity increases

Engineering Contradiction:
Improvemulti-parameter measurement precisionVSAvoidmulti-parameter detection complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The device merges multiple detection functions into a single integrated optical pathway and imaging system. Instead of using separate instruments for different aggregation parameters, the system combines spectral detection, imaging, and analysis capabilities into one unified device that measures size, intensity, and conformational changes simultaneously through coordinated optical components and integrated software processing.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The system measures multiple aggregation parameters by detecting changes in optical properties (absorbance, transmittance, spectral signatures) rather than requiring separate physical measurements for each parameter. By monitoring how these optical parameters change in response to aggregation, the system achieves precise multi-parameter characterization while maintaining relatively simple device architecture through unified optical sensing.

Inventive Principle:
Principle #35Parameter changes

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 fast, accurate, and reproducible assessment of protein therapeutic stability and aggregation, improving drug development efficiency and ensuring product integrity and safety by providing a comprehensive understanding of protein aggregation mechanisms.

Implementation Method 1

the substrate transmits electromagnetic radiation

Methodology Applied
Scientific EffectElectromagnetic radiation transmission: Absorption Spectroscopy

Implementation Method 2

the body of the holder absorbs substantially all electromagnetic radiation incident to the holder

Methodology Applied
Scientific EffectElectromagnetic radiation absorption: Absorption (EM radiation)

Implementation Method 3

the cover is configured to transmit electromagnetic radiation

Methodology Applied
Scientific EffectElectromagnetic radiation transmission: Absorption Spectroscopy

Data Source

PatentUS11590504B2Sampling array devices and system for spectral analysis
Publication Date: 2023.02.28 PROTEIN DYNAMIC SOLUTIONS INC
  • US11590504B2 patent drawing
  • US11590504B2 patent drawing
  • US11590504B2 patent drawing

AI summary

A system for use in spectral analysis procedures can include a slide and a holder for carrying the slide. The slide includes a substrate forming a plurality of wells that are recessed relative to a surface of the substrate. Each of the wells forms a sample region that is recessed by a sample depth from the surface and a trough region that is recessed by a trough depth from the surface, the trough depth being greater than the sample depth. The holder includes a body defining a cavity between a first side and a second side of the body, a port for receiving the slide into the cavity, one or more first fenestrations on the first side, and one or more second fenestrations on the second side.