Hydrophobic Binding Capacity Evaluation via Light Transmittance
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Solution Overview
Problem
Conventional methods for evaluating the binding capacity between hydrophobic substances and hydrophilic ligands in aqueous solutions face challenges due to low solubility of hydrophobic substances, leading to inaccurate measurements and reduced sensitivity, especially when organic solvents are used to enhance solubility, which can weaken hydrophobic interactions.
Innovation Solution
A binding capacity evaluation apparatus and method that uses light transmittance to detect supersaturation of hydrophobic substances in an aqueous solution, calculating the dissociation constant (Kd) by measuring light transmittance changes and solubility, allowing for accurate evaluation of binding capacity even with low water solubility ligands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If organic solvents are used to enhance solubility of hydrophobic substances, then solubility is improved, but hydrophobic interactions are weakened
Solution Approach 1:
The patent introduces a hydrophilic substance as an intermediary carrier to deliver hydrophobic substances in aqueous solutions. The hydrophilic substance forms a complex with the hydrophobic substance, enabling solubility enhancement without using organic solvents that would weaken hydrophobic interactions. This mediator approach resolves the contradiction by providing solubility through a different mechanism that preserves the native hydrophobic interactions.
Solution Approach 2:
The patent changes the chemical composition parameters of the solution system by replacing organic solvents with a hydrophilic substance-based delivery system. This parameter change allows the hydrophobic substance to remain in its native state while achieving solubility through complex formation, thereby maintaining hydrophobic interaction strength while improving solubility.
2Reliability
If conventional binding capacity evaluation methods are used, then measurement can be performed, but measurement accuracy is reduced due to low solubility
Solution Approach 1:
The hydrophilic substance acts as a mediator that enables accurate measurement by keeping the hydrophobic substance in solution without altering its binding properties. This allows conventional evaluation methods to be used with improved accuracy, as the hydrophobic substance remains in its native state while being deliverable in aqueous solutions.
Solution Approach 2:
The patent substitutes the need for organic solvent-based delivery systems with a hydrophilic substance-based delivery system. This substitution eliminates the interference of organic solvents in binding capacity measurements, thereby improving measurement precision while maintaining the ability to perform binding capacity evaluation.
3Strength
If hydrophobic substances are used directly in aqueous solutions, then hydrophobic interactions are maintained, but solubility is insufficient
Solution Approach 1:
The hydrophilic substance serves as an intermediary carrier that resolves the solubility problem without interfering with hydrophobic interactions. It forms a soluble complex with the hydrophobic substance, allowing the hydrophobic substance to be delivered in aqueous solutions at sufficient concentrations while maintaining its native interaction properties.
Solution Approach 2:
The patent creates a composite delivery system consisting of hydrophilic and hydrophobic substances working together. The hydrophilic component provides solubility while the hydrophobic component maintains interaction strength, creating a composite system that achieves both solubility and preserved hydrophobic interactions.
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
This approach enables precise measurement of binding capacity and dissociation constants, improving measurement accuracy and sensitivity for hydrophobic substances with low water solubility, overcoming limitations of existing methods by directly measuring solubility and interaction strength without relying on organic solvents.
Implementation Method 1
a light irradiation device irradiating light on the third solution; a light-receiving device receiving light passing through the third solution; and a light transmittance measuring device measuring light transmittance by using an intensity of the light received by the light-receiving device
Implementation Method 2
a stirring device stirring a third solution inside the second solution tank, the third solution including a mixture of the first and second solutions
Data Source
AI summary
A binding capacity evaluation apparatus includes a first solution tank into which a first solution is input, the first solution including a hydrophobic substance and a hydrophilic substance; a second solution tank into which a second solution is input, the second solution including water as a major component; a light irradiation device irradiating light on a third solution including a mixture of the first and second solutions; a light-receiving device receiving light passing through the third solution; and a light transmittance measuring device measuring light transmittance by using an intensity of the light received by the light-receiving device. The apparatus uses the light transmittance to detect when the hydrophobic substance becomes supersaturated in the second solution.