Intercalating Fluorescent Dyes for Nucleic Acid Labeling
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Solution Overview
Problem
Conventional intercalating fluorescent dyes used for nucleic acid analysis suffer from instability in chemical environments, leading to rapid deterioration of stability and fluorescence efficiency, and are cytotoxic, limiting their application in biofield analysis.
Innovation Solution
A novel intercalating fluorescent compound with a specific chemical structure (represented by Chemical Formula 1) that exhibits excellent stability and high fluorescence efficiency, capable of maintaining fluorescence properties over time, and is biosafe for use in analyzing nucleic acids like DNA and RNA, with a narrower wavelength range and high absorption and fluorescence intensity at pH 7, suitable for in vivo imaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If conventional intercalating fluorescent dyes are used for nucleic acid analysis, then fluorescence efficiency is achieved, but stability deteriorates rapidly in chemical environments
Solution Approach 1:
The patent modifies the chemical structure parameters of fluorescent dyes by introducing specific substituents (electron-withdrawing groups like -SO3H, -COOH, -F, -Cl at positions 5, 6, 7 of the xanthene ring) to enhance both stability and fluorescence efficiency simultaneously, resolving the contradiction between rapid deterioration and performance maintenance
2Productivity
If conventional fluorescent dyes are used for labeling, then binding efficiency with nucleic acids is achieved, but cytotoxicity occurs
Solution Approach 1:
The patent introduces specific functional groups at specific positions (5, 6, 7 of xanthene ring) to create localized chemical properties that reduce cytotoxicity while preserving binding efficiency, allowing the dye to interact selectively with nucleic acids without harmful effects on cells
Solution Approach 2:
The patent converts potentially harmful interactions into beneficial ones by designing dyes that can bind to nucleic acids with high efficiency while the modified structure prevents cytotoxic effects, turning a harmful dye into a biosafe probe for cellular applications
3Measurement precision
If fluorescent dyes are used for in vivo imaging, then detection capability is achieved, but storage stability is poor
Solution Approach 1:
The patent creates composite fluorescent dye molecules combining xanthene core structure with specific substituents (-SO3H, -COOH, -F, -Cl) that provide both detection capability through fluorescence and storage stability through enhanced chemical resistance, enabling long-term storage and in vivo imaging applications
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 compound maintains fluorescence stability and efficiency, is non-cytotoxic, and effectively detects biomaterials, including nucleic acids, with enhanced storage stability and biosafety, making it suitable for various biofield analyses without limiting to specific cells or tissues.
Implementation Method 1
emit fluorescence by inserting a fluorescent compound between nucleic acid molecules having a double helix structure such as DNA and RNA
Implementation Method 2
have excitation and fluorescence wavelengths suitable for fluorescence equipment
Data Source
AI summary
The novel intercalating fluorescent compounds of exemplary embodiments of the present invention for analyzing nucleic acids, etc. have excellent intercalating efficiency with nucleic acids such as DNA and RNA of biomaterials, and may not only continuously maintain fluorescence properties and efficiency, but also have excellent effects even in terms of storage stability such as temperature and moisture, etc. and biosafety. In addition, the fluorescent compounds have various advantages capable of being dissolved in distilled water, which is a solvent harmless to the human body, and being applied to a wide range of analysis without being limited to the analysis of specific cells and living tissues.