Nanoparticle Drug Delivery Kit With Separate Mixing Chambers
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Solution Overview
Problem
Existing nanoparticle-based drug delivery systems are unstable and difficult to manufacture, requiring complex processes and are affected by storage and transportation environments, making them unsuitable for easy use by end consumers.
Innovation Solution
A kit comprising separate chambers with an amphiphilic block copolymer and a cationic compound, along with an active ingredient, that allows for the formation of nanoparticles by simple mixing, without polylactic acid or its salts, ensuring stability and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If nanoparticles are formed using conventional methods with polylactic acid and salts, then drug delivery effectiveness is improved, but storage and transportation stability deteriorates due to sensitivity to environmental conditions
Solution Approach 1:
The kit divides the nanoparticle formation process into separate components stored in different chambers. The amphiphilic block copolymer, cationic compound, and active ingredient are kept separate until use, allowing stable storage of individual components while enabling effective nanoparticle formation when combined. This segmentation resolves the contradiction by maintaining stability during storage through separation while ensuring effectiveness at the point of use.
2Ease of operation
If nanoparticles are pre-formed for immediate use, then ease of operation is improved, but manufacturing complexity increases due to required stability assurance processes
Solution Approach 1:
The kit performs preliminary preparation by pre-packaging purified components in stable forms in separate chambers. The amphiphilic block copolymer, cationic compound, and active ingredient are prepared and purified in advance during manufacturing, then stored separately. This allows the end consumer to simply mix the components without dealing with complex manufacturing processes, resolving the contradiction between ease of use and manufacturing complexity.
3Stability of the object's composition
If polylactic acid and salts are used as kit components, then nanoparticle formation stability is improved, but ease of manufacture deteriorates due to sensitivity to storage and transportation environments
Solution Approach 1:
The invention changes the physical and chemical parameters of the components by using an amphiphilic block copolymer system instead of conventional polylactic acid and salt combinations. This parameter change allows the components to be stored in stable forms (e.g., lyophilized powders or concentrated solutions) that are less sensitive to storage and transportation conditions, while still forming stable nanoparticles when mixed. This resolves the contradiction between formation stability and ease of manufacture.
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 kit enables the formation of stable nanoparticles that maintain effectiveness in drug delivery, unaffected by storage or transportation conditions, with high efficiency and ease of use by end users.
Implementation Method 1
the nanoparticles are not affected by storage or transportation environments unlike the already formed nanoparticles. And by using the kit, the end user can successfully form nanoparticles having an effective drug delivery effect by simply mixing the components in the chamber
Implementation Method 2
Many studies on cationic lipids or polycationic polymers have been made because they stabilize anionic drugs by forming a complex by electrostatic interactions with the anionic drug, and facilitate delivery into cells
Data Source
AI summary
The present invention relates to a kit for preparing a nanoparticle composition for drug delivery and, more specifically, to a kit for preparing a nanoparticle composition for drug wherein the kit is designed such that the kit does not comprise a polylactic acid salt and nanoparticles containing a drug encapsulated therein can be easily formed just by simply mixing an amphiphilic block copolymer, a cationic compound, and a drug as components of the kit.