Vitamin D Detection Using Carbamate Derivatives and Specific Binding
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Solution Overview
Problem
Current methods for determining vitamin D levels in biological samples lack accuracy and sensitivity, particularly in distinguishing between vitamin D and its analogs and metabolites, which is crucial for diagnosing related disorders.
Innovation Solution
A method involving specific binding members and compounds that form complexes with vitamin D, allowing for the measurement of vitamin D levels through signal-producing systems, including antibodies and chemiluminescent particles, to accurately quantify vitamin D in samples.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional methods are used for determining vitamin D levels, then the determination can be performed with standard procedures, but the accuracy and sensitivity are insufficient for distinguishing between vitamin D and its analogs and metabolites
Solution Approach 1:
The patent introduces specific binding members (antibodies) and specially designed compounds as intermediaries to enable accurate detection of vitamin D. These binding members specifically recognize and bind to vitamin D and its analogs, allowing differentiation between similar molecules. The compounds contain specific structural features (substituents at positions 22 and 23) that enhance binding specificity, serving as mediators between the sample and detection system.
2Measurement precision
If specific binding members and specialized compounds are used to improve detection accuracy, then sensitivity and precision increase, but the device and method complexity increases
Solution Approach 1:
The patent employs compounds that are pre-designed with specific structural characteristics (substituents at positions 22 and 23 of the steroid nucleus) to enhance binding affinity and specificity before the actual detection process. This preliminary structural optimization ensures that when the binding members are introduced, they can immediately and specifically recognize the target molecules, reducing the need for complex procedural steps during detection.
3Measurement precision
If conventional detection methods are used, then the procedure is simpler, but the ability to distinguish between vitamin D, analogs, and metabolites is insufficient for accurate diagnosis
Solution Approach 1:
The patent applies local quality by introducing specific substituents at particular positions (22 and 23) of the steroid nucleus in the detection compounds. These localized structural modifications create specific binding pockets that recognize unique features of vitamin D and its analogs, enabling differentiation based on local molecular characteristics rather than requiring overall structural matching. This allows specific detection of target molecules even in complex biological samples containing multiple similar compounds.
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 provides a sensitive and accurate means to determine the presence and amount of vitamin D, enabling better diagnosis and management of related disorders by enhancing the precision of vitamin D level assessments.
Implementation Method 1
a specific binding member for vitamin D... The combination is subjected to conditions for binding of the compound to the specific binding member to form a complex
Implementation Method 2
signal-producing systems, including antibodies and chemiluminescent particles
Data Source
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AI summary
Compounds include carbamate derivatives of vitamin D including vitamin D3 and vitamin D2. The compounds are useful in methods and kits for determining the presence and/or total amount of vitamin D, including vitamin D analogs and metabolites thereof, in a sample suspected of containing the same.