Membrane-Coated Nanoparticle Processing with Vortex Mixing and TFF

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Solution Overview

Problem

Existing methods for preparing nanoparticles and cellular or viral membranes are inefficient in removing organic solvents and separating membrane components, leading to suboptimal product quality and process scalability.

Innovation Solution

Utilizing a multi-inlet vortexing reactor to mix nanoparticle materials in organic solvent and aqueous phases, followed by tangential flow filtration (TFF) to reduce solvent content, and employing high shear fluid processors for membrane coating, enabling efficient solvent removal and membrane separation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If conventional methods are used to prepare nanoparticles and cellular membranes, then the process is simple, but the removal of organic solvents and separation of membrane components is inefficient

Engineering Contradiction:
Improvepurity of nanoparticles and membrane componentsVSAvoidcomplexity of processing system
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent divides the processing system into distinct functional modules: a multi-inlet vortexing reactor for mixing and nanoparticle formation, and a tangential flow filtration system for solvent removal and membrane separation. This segmentation allows each component to perform its specific function efficiently, achieving high purity products while maintaining manageable system complexity through modular design.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces an intermediary tangential flow filtration system between the vortexing reactor and final product collection. This intermediary device serves as a mediator that removes organic solvents and separates membrane components from the nanoparticle suspension, enabling high-purity product recovery without requiring complex direct purification methods.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Manufacturing precision

If conventional mixing methods are used, then the device is simple, but the formation of nanoparticles with controlled size and monodispersity is difficult

Engineering Contradiction:
Improvesize control and monodispersity of nanoparticlesVSAvoidcomplexity of mixing device
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent employs a multi-inlet vortexing reactor that utilizes mechanical vibration and vortex flow to mix nanoparticle materials in organic and aqueous phases. The vortexing action creates intense shear forces and turbulent flow patterns that promote uniform nanoparticle formation and controlled size distribution, achieving high monodispersity through mechanical energy input rather than complex thermal or chemical processes.

Inventive Principle:
Principle #18Mechanical vibration

3Manufacturing precision

If conventional filtration methods are used, then the process is simple, but the separation of membrane components and removal of organic solvent is incomplete

Engineering Contradiction:
Improveseparation efficiency of membrane componentsVSAvoidefficiency of solvent removal
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The patent employs a tangential flow filtration system that utilizes hydraulic principles to separate membrane components and remove organic solvents. The system applies controlled pressure gradients across a filtration membrane, enabling efficient solvent removal and complete membrane separation. The hydraulic flow mechanism provides continuous, complete separation without requiring complex thermal evaporation or chemical extraction processes, thereby maintaining high productivity.

Inventive Principle:
Principle #29Pneumatics and hydraulics

4Productivity

If the process is scaled up for industrial production, then the output increases, but the consistency of product quality decreases

Engineering Contradiction:
Improveproduction scale and outputVSAvoidconsistency of product quality
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The patent designs a multi-functional integrated system where the vortexing reactor performs mixing, nanoparticle formation, and initial size control in a single device, while the tangential flow filtration system simultaneously removes solvents and separates membrane components. This multi-functionality ensures that scaling up the process does not require proportional increases in process complexity, as the same unified equipment handles all critical quality parameters, thereby maintaining product consistency at industrial production scales.

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

The process achieves high-purity nanoparticles and membrane-coated nanoparticles with controlled size and monodispersity, enhancing process scalability and product consistency.

Implementation Method 1

mixing a material for forming a nanoparticle in an organic solvent and an aqueous phase using a multi-inlet vortexing reactor

Methodology Applied
Scientific EffectVortexing: Vortex Ring

Implementation Method 2

subjecting said composition to tangential flow filtration (TFF) to reduce the amount of or to remove said organic solvent from said composition

Methodology Applied
Scientific EffectTangential flow filtration: Filter (physical)

Implementation Method 3

mixing a nanoparticle inner core comprising a non-cellular material with a cellular membrane derived from a cell or a membrane derived from a virus using a high shear fluid processor

Methodology Applied
Scientific EffectHigh shear mixing: Shear Stress

Data Source

PatentUS12590189B2Processes and systems for preparing cellular or viral membranes and nanoparticles
Publication Date: 2026.03.31 ARYTHA BIOSCIENCES LLC
  • US12590189B2 patent drawing
  • US12590189B2 patent drawing
  • US12590189B2 patent drawing

AI summary

The present invention relates to processes and systems for preparing nanoparticles, cellular or viral membranes and/or cellular or viral membrane coated nanoparticles using or comprising, inter alia, a multi-inlet vortexing reactor, tangential flow filtration (TFF) and/or a high shear fluid processor such as a microfluidizer (or a microfluidizer processor). The present invention also relates to the nanoparticles, cellular or viral membranes and/or cellular or viral membrane coated nanoparticles prepared by the present processes and systems, and the uses and/or applications of the nanoparticles, cellular or viral membranes and/or cellular or viral membrane coated nanoparticles.