Automated Microfluidic LNP Screening With Inline Analytics

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Solution Overview

Problem

Existing systems for developing microfluidic formulations of lipid nanoparticles (LNPs) encapsulating RNA lack automation and real-time analytics, requiring significant manual labor and resulting in low productivity.

Innovation Solution

A fully automated microfluidic mixing system integrated with inline analytics and a sample collector, capable of mixing multiple solutions and performing real-time analysis of nanoparticle formulations, such as lipid nanoparticles encapsulating RNA, using instruments like MALS/DLS and HPLC fraction collectors.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual screening methods are used for nanoparticle formulations, then flexibility in method development is maintained, but productivity is low and manual labor is high

Engineering Contradiction:

Improvescreening productivityVSAvoidautomation level

Core Design Contradiction:

ProductivityVSExtent of automation

Solution Approach 1:

The system enables self-service automation where the microfluidic mixing system automatically performs formulation generation and the inline analytics system automatically analyzes the nanoparticles without requiring manual intervention. The computer system coordinates the entire screening process autonomously, eliminating manual labor while maintaining high productivity.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical operations with automated electronic control systems. The computer system electronically controls the microfluidic mixing parameters and automatically processes analytics data, substituting manual method development and screening tasks with automated digital control and analysis.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Measurement precision

If automated mixing systems are used, then productivity increases, but real-time analytics capability is lacking

Engineering Contradiction:

Improvereal-time analytics capabilityVSAvoidscreening efficiency

Core Design Contradiction:

Measurement precisionVSProductivity

Solution Approach 1:

The patent merges the automated microfluidic mixing system with inline analytics capabilities in a single integrated platform. The analytics system is positioned directly within the microfluidic pathway to provide real-time measurement of nanoparticle properties during formulation generation, combining mixing and analysis functions into one cohesive system.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The inline analytics system provides real-time feedback on nanoparticle formulation quality directly to the microfluidic mixing process. Measurement data such as particle size, concentration, and encapsulation efficiency are immediately analyzed and fed back to optimize mixing parameters, enabling continuous improvement without delays.

Inventive Principle:

Principle #23Feedback

3Adaptability or versatility

If multiple formulation conditions are tested manually, then comprehensive screening is achieved, but time consumption increases

Engineering Contradiction:

Improveformulation condition screening capabilityVSAvoidscreening time

Core Design Contradiction:

Adaptability or versatilityVSLoss of time

Solution Approach 1:

The automated system enables continuous screening of multiple formulation conditions without interruption. The microfluidic system can rapidly generate formulations under different conditions while the inline analytics continuously measure properties, eliminating the start-stop nature of manual testing and maintaining constant productive action throughout the screening process.

Inventive Principle:

Principle #20Continuity of useful action

Solution Approach 2:

The system performs preliminary automated screening of multiple conditions before final formulation selection. By automatically testing various flow rates, lipid compositions, and mixing parameters in advance, the system identifies optimal conditions efficiently without requiring time-consuming manual evaluation of each condition separately.

Inventive Principle:

Principle #10Preliminary action

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

Enhances productivity by automating the screening process with real-time feedback, reducing manual intervention, and improving the efficiency of nanoparticle formulation development for vaccines and gene therapy.

Implementation Method 1

mixing system integrated with inline analytics and a sample collector, capable of mixing multiple solutions and performing real-time analysis of nanoparticle formulations

Methodology Applied

Scientific EffectMicrofluidic mixing:

Implementation Method 2

using instruments like MALS/DLS and HPLC fraction collectors

Methodology Applied

Scientific EffectHigh-performance liquid chromatography: Chromatography

Implementation Method 3

using instruments like MALS/DLS and HPLC fraction collectors

Methodology Applied

Scientific EffectMulti-angle light scattering: Scattering

Data Source

PatentUS20250256252A1Automated system for screening and optimizing nanoparticle formulations

Publication Date: 2025.08.14 WYATT TECHNOLOGY CORP

AI summary

An apparatus, system, and method comprise receiving, by a computer system, a series of mixing parameters; transmitting, by the computer system, a series of commands corresponding to a series of mixing parameters to a microfluidic mixing system to mix a series of at least two solutions, wherein one of the solutions includes lipids in an organic solvent and the other solution includes ribonucleic acid (RNA) in an aqueous solvent; and generating in response a plurality of formulations of lipid nanoparticles (LNPs) encapsulating the RNA according to the series of mixing parameters.