Alkali-Cottonized Hemp Matrix for Nucleic Acid Extraction
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Solution Overview
Problem
Current nucleic acid extraction methods are inefficient, costly, and environmentally hazardous, with limitations in sample type suitability, DNA yield, and purity, as well as the need for skilled personnel and laborious processes.
Innovation Solution
A novel method using an alkali-cottonized hemp matrix for nucleic acid extraction and purification, which involves treating cottonized hemp fibers with an alkali solution to create a positively charged matrix that efficiently binds and purifies nucleic acids.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If silica-based column extraction is used, then nucleic acid purification is achieved, but cost increases and environmental harm occurs
Solution Approach 1:
The patent replaces expensive, environmentally hazardous silica columns with a biodegradable hemp fiber matrix that can be safely disposed of or composted. The hemp matrix achieves comparable nucleic acid binding and purification functions without the environmental harm associated with silica waste, aligning with the principle of using inexpensive, environmentally benign materials for single-use or short-term applications.
Solution Approach 2:
The patent modifies the chemical properties of hemp fibers through alkali treatment to create a positively charged matrix that enhances nucleic acid binding. This chemical parameter change transforms the hemp fiber into an effective purification medium, enabling it to perform the same function as silica columns while being environmentally friendly.
2Reliability
If conventional extraction methods are used, then nucleic acid isolation is achieved, but process complexity and labor requirements increase
Solution Approach 1:
The hemp fiber matrix is designed to perform multiple functions simultaneously: binding nucleic acids, allowing selective elution, and requiring minimal processing. The matrix structure and chemical properties enable it to work with various sample types without requiring complex pre-treatment or specialized equipment, simplifying the overall extraction process while maintaining reliability.
3Quantity of substance
If existing extraction matrices are used, then nucleic acid binding is achieved, but DNA yield and purity are insufficient
Solution Approach 1:
The patent uses alkali-treated hemp fiber as a composite material combining the structural integrity of cellulose with modified surface properties from alkali treatment. This composite structure provides both the mechanical stability needed for column packing and the enhanced surface charge required for high-efficiency nucleic acid binding, achieving superior DNA yield and purity compared to conventional single-material matrices.
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 and purity in nucleic acid extraction, is cost-effective, environmentally friendly, and suitable for various sample types, reducing the need for skilled labor and minimizing environmental impact.
Implementation Method 1
treating cottonized hemp fibers with an alkali solution to create a positively charged matrix that efficiently binds and purifies nucleic acids
Data Source
AI summary
The present invention provides a method for nucleic acid extraction and purification from a biological sample by an alkali-cottonized hemp matrix that may be scaled up for industrial production of a novel alkali-cottonized hemp matrix. The methods/matrix as disclosed in the present invention is economically effective over the existing methods and uses the largely available hemp fiber for the process. The extraction achieved by the novel matrix of the present invention achieved better nucleic acid extraction over the existing methods/matrices.