Clay Nanocarriers for Solvent-Free Curcumin Loading

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Solution Overview

Problem

Existing methods for reducing clay to nanosize for bioactive molecule carriers are costly, inefficient, and result in significant waste, while using organic solvents for loading bioactive molecules into nanocarriers is toxic and reduces the amount of molecules carried, and high-speed stirring deteriorates the natural structure of clays, leading to low efficiency and bioavailability issues.

Innovation Solution

A method involving controlled stirring, filtering, and heat treatment of clay with amphiphilic excipients and specific salts to reduce clay to nanosize efficiently, load bioactive molecules like curcumin onto nano-sized carriers, and enhance bonding without using toxic solvents, ensuring high absorption and stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Length of moving object

If clay is ground dry to reduce to nanosize, then particle size is reduced, but production cost increases significantly

Engineering Contradiction:
Improveparticle sizeVSAvoidproduction cost
Core Design Contradiction:
Length of moving objectVSEase of manufacture

Solution Approach 1:

The patent replaces mechanical grinding with a chemical dissolution-precipitation method. Clay is dissolved in acid solution and then precipitated to form nanoscale particles, eliminating the need for expensive ball milling or grinding equipment while achieving consistent nanosize reduction.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the physical and chemical parameters of the clay processing system by using acid dissolution followed by controlled precipitation. This transforms the clay from a solid state through dissolution and then to nanoscale particles through precipitation, achieving size reduction without mechanical force.

Inventive Principle:
Principle #35Parameter changes

2Ease of manufacture

If clay is precipitated via bubbling in water, then production cost is reduced, but separation efficiency becomes very low

Engineering Contradiction:
Improveproduction costVSAvoidseparation efficiency
Core Design Contradiction:
Ease of manufactureVSProductivity

Solution Approach 1:

The patent replaces mechanical separation methods (centrifugation, filtration) with magnetic separation. By incorporating magnetic nanoparticles into the clay structure, the precipitated clay can be efficiently separated from the solution using a magnetic field, achieving high separation efficiency without expensive mechanical equipment.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent creates a composite material by integrating magnetic nanoparticles into the clay matrix during the precipitation process. This composite structure maintains the clay's functional properties while adding magnetic responsiveness, enabling efficient separation.

Inventive Principle:
Principle #40Composite materials

3Productivity

If organic solvents are used to load hydrophobic molecules into nanocarrier, then loading efficiency is improved, but toxicity increases and bioavailability decreases

Engineering Contradiction:
Improveloading efficiencyVSAvoidtoxicity
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent uses amphiphilic molecules as intermediaries to bridge hydrophobic bioactive molecules and the aqueous nanocarrier environment. These amphiphilic molecules have both hydrophobic and hydrophilic regions, allowing them to solubilize hydrophobic drugs while maintaining compatibility with the water-based nanocarrier system, eliminating the need for toxic organic solvents.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent changes the chemical environment from organic solvent-based to water-based by using amphiphilic molecules. This parameter change maintains the solubility and loading efficiency of hydrophobic molecules while eliminating toxicity, making the system biocompatible.

Inventive Principle:
Principle #35Parameter changes

4Length of moving object

If high-speed stirring is applied to reduce clay to nanosize, then particle size is reduced, but natural structure of clay deteriorates

Engineering Contradiction:
Improveparticle sizeVSAvoidnatural structure
Core Design Contradiction:
Length of moving objectVSStability of the object's composition

Solution Approach 1:

The patent replaces mechanical stirring with chemical dissolution and magnetic field application. The acid dissolution process naturally breaks down clay aggregates to nanoscale without mechanical force, and magnetic field alignment further reduces particle size while preserving the clay's crystalline structure and natural properties.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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 method achieves high-efficiency, cost-effective nanocarriers that can carry bioactive molecules, particularly curcumin, to target tissues with enhanced bonding and stability, improving treatment efficacy and reducing side effects.

Implementation Method 1

crystalline kaolinite, sepiolite and smectite (montmorillonite) group clays, which can easily be layered by physical methods such as mechanical mixing, centrifugation and decantation

Methodology Applied
Scientific EffectCentrifugation: Centrifugal Separation

Implementation Method 2

a production method for obtaining compositions enabling bioactive molecules to be carried to target tissues using a nanocarrier

Methodology Applied
Scientific EffectAbsorption: Absorption (physical)

Data Source

PatentUS12605339B2Method for carrying bioactive molecules using nanocarriers
Publication Date: 2026.04.21 OZMEN ZEKERIYA

AI summary

The production method for absorbing at least one composition in the intestine with a high amount so that it is carried to the target tissues in a healthy way, wherein the composition contains at least one bioactive molecule and at least one carrier, has the steps of reducing the carrier to the nanosize, preparing the bioactive molecule so that it can be loaded on the nano-sized carrier, and loading the prepared bioactive molecule onto the nano-sized carrier is disclosed. Many bioactive molecules, especially curcumin, can be carried to target tissues in the living organism by using a nanocarrier. It can also be used in all sectors for carrying molecular structures at nanosize.