Microfluidic Cell Trajectory Analysis for Rapid Immune Activation Testing
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Solution Overview
Problem
Existing methods for quantifying neutrophil activation are too slow or too specialized for clinical use, limiting their applicability in diagnosing and monitoring conditions like sepsis and autoimmune diseases.
Innovation Solution
A system and method utilizing a microfluidic device to apply stress to blood cells, acquire optical datasets, and determine cell parameters such as shape and trajectory, enabling rapid determination of immune activation states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If existing methods for quantifying neutrophil activation are used, then measurement precision may be adequate, but productivity is too slow for clinical use
Solution Approach 1:
The patent replaces traditional mechanical/manual immune activation assessment methods with an optical detection system that uses light scattering measurements to rapidly evaluate neutrophil activation states. This substitution enables high-throughput analysis while maintaining measurement precision through automated optical detection of cell deformation and trajectory parameters.
Solution Approach 2:
The patent changes the measurement parameters from traditional slow methods to optical parameters including light scattering intensity, cell deformation degree, and trajectory characteristics. These parameter changes enable rapid quantification of immune activation states while preserving measurement accuracy through multiple optical signal measurements.
2Ease of operation
If existing specialized methods are used, then measurement precision may be adequate, but device complexity increases and ease of operation decreases
Solution Approach 1:
The patent creates a universal measurement system that can assess multiple immune activation parameters simultaneously using a single optical detection platform. The device measures cell deformation, trajectory, and light scattering properties in one integrated system, eliminating the need for multiple specialized devices and simplifying operational procedures while maintaining comprehensive measurement precision.
3Productivity
If rapid assessment methods are implemented, then productivity improves, but measurement precision may deteriorate
Solution Approach 1:
The patent implements continuous optical detection of cell trajectories and deformation throughout the entire measurement process, allowing rapid throughput while maintaining precision through uninterrupted data collection. The system continuously monitors light scattering signals as cells move through the detection region, enabling high-speed analysis without sacrificing measurement accuracy.
Solution Approach 2:
The patent uses optical copying of cell physical properties through light scattering measurements to create rapid measurements of cell deformation and trajectory. Instead of direct physical manipulation, the system creates optical copies of cell characteristics that can be measured quickly while preserving the original cell integrity and measurement precision.
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 rapid and accurate assessment of immune activation states, such as sepsis, by incorporating trajectory parameters, allowing for quick diagnosis and monitoring of conditions like sepsis and autoimmune diseases.
Implementation Method 1
applying a stress to the sample
Implementation Method 2
acquire an optical dataset about the sample
Data Source
AI summary
A system and method for determining a trajectory parameter of particles, comprising receiving a plurality of particles at a microfluidic channel, applying a force to each particle of the microfluidic channel, acquiring a dataset of each particle, measuring a trajectory of the particle, and determining a trajectory parameter of the particles.