Multilayer Graphene Scaffold for Osteogenic Stem Cell Differentiation

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Solution Overview

Problem

Conventional culture apparatuses limit the growth regulation and differentiation of stem cells, and existing inorganic and protein-based scaffolds are ineffective in promoting osteogenic differentiation, with biologically derived growth factors like BMP-2 posing immune response and cost issues.

Innovation Solution

A culture scaffold utilizing a multi-layer graphene film that promotes stem cell differentiation, particularly osteogenic differentiation, without additional materials, and includes a method of manufacturing this scaffold through processes like chemical vapor deposition and lamination.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional culture apparatuses are used, then stem cells can be cultured, but growth regulation and differentiation capabilities are limited

Engineering Contradiction:

Improvedifferentiation capabilityVSAvoidculture apparatus structure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent changes the physical and chemical parameters of the culture surface by coating it with multi-layer graphene film, which has unique electrical, mechanical, and surface properties that enhance stem cell differentiation without changing the overall apparatus structure

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent uses composite material structure by combining conventional culture apparatus with multi-layer graphene film coating, leveraging the exceptional properties of graphene to improve stem cell behavior while maintaining the simplicity of the base apparatus

Inventive Principle:

Principle #40Composite materials

2Reliability

If inorganic or protein-based scaffolds are used, then scaffolds can be physically formed and are biocompatible, but osteogenic differentiation is not promoted

Engineering Contradiction:

ImprovebiocompatibilityVSAvoidosteogenic differentiation

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The patent changes the surface properties of the scaffold by coating with multi-layer graphene film, which modifies the physical and chemical parameters to promote osteogenic differentiation while maintaining the biocompatibility of the underlying scaffold material

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The multi-layer graphene film acts as an intermediary layer between the scaffold and stem cells, facilitating osteogenic differentiation through its unique properties while preserving the biocompatibility of the scaffold

Inventive Principle:

Principle #24Intermediary (Mediator)

3Productivity

If biologically derived growth factors like BMP-2 are used, then osteogenic differentiation can be promoted, but immune response and cost problems occur

Engineering Contradiction:

Improveosteogenic differentiationVSAvoidimmune response

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent uses multi-layer graphene film as a disposable coating that provides osteogenic differentiation promotion without the need for expensive and immunogenic growth factors like BMP-2, offering a cost-effective and biocompatible alternative

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The patent converts the potentially harmful effect of using biological growth factors (immune response) into a beneficial approach by using inert multi-layer graphene film that promotes differentiation without triggering immune reactions

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

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 multi-layer graphene film scaffold effectively enhances stem cell differentiation, reducing side effects and enabling targeted osteogenic differentiation, suitable for various stem cell applications and treatments.

Implementation Method 1

a culture scaffold for promoting the differentiation of a stem cell, including a multi-layer graphene film

Methodology Applied

Scientific EffectGraphene: Graphene

Implementation Method 2

a method of manufacturing the culture scaffold, comprising: coating a scaffold substrate with a multi-layer graphene film

Methodology Applied

Scientific EffectChemical vapor deposition: Chemical Vapour Deposition

Data Source

PatentUS12533380B2Culture scaffold for promoting stem cell differentiation comprising multilayer graphene film

Publication Date: 2026.01.27 BIOGRAPHENE INC

AI summary

Provided are a culture scaffold for promoting stem cell differentiation comprising a multilayer graphene film, a method of regulating growth and differentiation of a stem cell using the culture scaffold, and a method of preparing the culture scaffold, where the culture scaffold is capable of promoting the osteogenic differentiation of stem cells as a result of laminating a graphene film without comprising an additional substance, and it may be variously applicable to application fields of stem cells in/outside the body.