Curcumin Carbon Quantum Dots for Antiviral Applications
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Solution Overview
Problem
The poor solubility and low bioavailability of curcumin limit its applicability in clinical antiviral treatments, as it has shown potential as an effective compound against various viruses but struggles to effectively interact with viral components due to its chemical properties.
Innovation Solution
The synthesis of curcumin carbon quantum dots (Cur-CQDs) through heating curcumin powder and dissolving the residue in a sodium phosphate buffer, followed by purification, which results in uniform, monodispersed nanoparticles with antiviral properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If curcumin is used as an antiviral compound, then antiviral activity is achieved, but solubility in water is poor and bioavailability is low
Solution Approach 1:
The patent transforms curcumin from its original molecular form into carbon quantum dots through controlled carbonization at temperatures between 120-210°C. This parameter change in molecular structure fundamentally alters the solubility properties while preserving antiviral activity. The resulting Cur-CQDs exhibit excellent water solubility and bioavailability, directly resolving the contradiction between maintaining antiviral efficacy and improving solubility characteristics.
Solution Approach 2:
The invention utilizes a phase transition process where curcumin undergoes carbonization transformation into carbon quantum dots. This phase change from organic molecule to carbon-based nanoparticle structure enables the material to achieve both desired antiviral functionality and improved dissolution properties in aqueous environments, thereby solving the solubility-bioavailability limitation.
2Reliability
If curcumin is used to treat viral infections, then antiviral effect is achieved, but bioavailability is low limiting clinical application
Solution Approach 1:
By transforming curcumin into carbon quantum dots through controlled carbonization, the invention fundamentally changes the physical and chemical parameters of the compound. The resulting Cur-CQDs exhibit enhanced bioavailability characteristics including improved cellular uptake, stability, and distribution, while maintaining the core antiviral effect. This parameter transformation directly addresses the limitation of low bioavailability that restricts clinical application.
3Reliability
If nanoparticles are used to block viral entry, then viral infection is inhibited, but manufacturing complexity increases
Solution Approach 1:
The invention employs a self-service approach where curcumin molecules automatically self-assemble into carbon quantum dots through controlled carbonization in aqueous buffer. This self-assembly process eliminates the need for complex nanoparticle fabrication equipment or multi-step manufacturing procedures. The simple one-step carbonization method produces uniform Cur-CQDs with consistent size and properties, significantly reducing manufacturing complexity while achieving effective viral infection inhibition.
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 Cur-CQDs demonstrate enhanced antiviral activity against viruses like Enterovirus, with improved bioavailability and cell interaction, showing therapeutic effectiveness in pre-treatment, post-treatment, and co-treatment scenarios, while maintaining low cytotoxicity and high cell viability.
Implementation Method 1
heating a curcumin powder at a temperature range from 120 to 210° C. to yield a residue
Implementation Method 2
dissolving the residue with sodium phosphate buffer in a solution
Implementation Method 3
purifying the solution comprises at least one curcumin carbon quantum dot
Data Source
AI summary
An engineered nanoparticle having a curcumin carbon quantum dot and the use thereof for antiviral application are disclosed. A method of preparation of a curcumin carbon nanoparticle is also disclosed, the method comprises heating a curcumin powder at a temperature range from 120 to 210° C. to yield a residue; dissolving the residue with sodium phosphate buffer in a solution; and purifying the solution.