Magnetic Levitation Using Non-Aqueous Media for Mixture Separation

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Solution Overview

Problem

Existing magnetic levitation systems using aqueous paramagnetic media struggle to separate or analyze mixtures containing aqueous-soluble substances, as they are not effective for such components.

Innovation Solution

A magnetic levitation system using a non-aqueous solvent with a paramagnetic complex, such as a gadolinium complex, allows for the separation and analysis of mixtures containing aqueous-soluble substances by leveraging non-aqueous paramagnetic media.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If aqueous paramagnetic media are used in magnetic levitation systems, then the system can achieve magnetic levitation, but it cannot effectively separate or analyze aqueous-soluble substances

Engineering Contradiction:

Improveability to separate aqueous-soluble substancesVSAvoideffectiveness for aqueous-soluble components

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent changes the fundamental parameter of the solvent medium from aqueous to non-aqueous (organic). By using non-aqueous paramagnetic media such as organic solvents with dissolved paramagnetic salts or complexes, the system becomes capable of separating and analyzing aqueous-soluble substances that cannot be effectively handled in traditional aqueous-based magnetic levitation systems.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent employs composite paramagnetic media consisting of non-aqueous solvents combined with paramagnetic salts or complexes. This composite approach creates a new medium with both the levitation capabilities of paramagnetic materials and the compatibility with aqueous-soluble substances provided by the non-aqueous solvent environment.

Inventive Principle:

Principle #40Composite materials

2Productivity

If traditional magnetic levitation systems are used, then the structure is simple, but they lack portability and rapid analysis capability

Engineering Contradiction:

Improverapid analysis capabilityVSAvoidsystem complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical separation and analysis systems with a magnetic field-based levitation system. By using magnetic forces to levitate and position samples, the system eliminates the need for complex mechanical handling, centrifugation, or filtration equipment, thereby achieving rapid analysis with reduced mechanical complexity.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The magnetic levitation system performs separation and analysis functions simultaneously through the magnetic field. The system self-regulates the positioning of samples based on their magnetic properties, eliminating the need for external mechanical intervention or complex operational procedures, thus enabling rapid and portable analysis.

Inventive Principle:

Principle #25Self-service

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 efficient separation and analysis of mixtures, including those with aqueous-soluble components, providing rapid and portable analysis suitable for forensic and industrial applications.

Implementation Method 1

magnetic levitation system includes a first and second magnets having surfaces of their like-poles facing each other; and a container disposed between the first and second magnets' like poles and containing a solution including a paramagnetic complex in a non-aqueous solvent

Methodology Applied

Scientific EffectMagnetic levitation: Maglev

Implementation Method 2

a paramagnetic complex includes a paramagnetic metal and at least one ligand that coordinates to the paramagnetic metal via electron donation

Methodology Applied

Scientific EffectParamagnetism: Magnetism

Implementation Method 3

at least one ligand that coordinates to the paramagnetic metal via electron donation

Methodology Applied

Scientific EffectElectron donation coordination: Chemical Bonding

Implementation Method 4

allows for the separation and analysis of mixtures containing aqueous-soluble substances by leveraging non-aqueous paramagnetic media

Methodology Applied

Scientific EffectDensity gradient separation: Density Gradient

Data Source

PatentUS12427532B2Magnetic levitation system

Publication Date: 2025.09.30 PRESIDENT & FELLOWS OF HARVARD COLLEGE

AI summary

A magnetic levitation system is described, including a first and second magnets having surfaces of their like-poles facing each other; and a container disposed between the first and second magnets' like poles and containing a solution including a paramagnetic complex in a non-aqueous solvent, where the paramagnetic complex includes a paramagnetic metal and at least one ligand that coordinates to the paramagnetic metal via electron donation. Methods of separating a mixture of solid compounds, and/or identifying, confirming, and/or predicting the composition of the mixture, are also described.