Microfluidic Immunoblotting Device for Biocellular Marker Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current diagnostic methods face challenges in profiling the activation patterns of circulating monocytes due to high sample requirements and variability, limiting the ability to generate dynamic molecular signatures that can inform therapeutic decisions and disease risk stratification.
Innovation Solution
The use of microfluidic immunoblotting devices with open microfluidic channels and a flat membrane-contacting surface allows for the detection of biocellular markers, enabling the generation of dynamic molecular signatures by transferring proteins onto a membrane, injecting activating buffers and antibodies, and detecting binding, which can quantify expression and activation levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional molecular assays are used to profile circulating monocytes, then comprehensive molecular signatures can be obtained, but large sample amounts and complex processing are required
Solution Approach 1:
The device segments the monocyte profiling process into distinct microfluidic channels, each dedicated to detecting specific biocellular markers. This segmentation allows parallel processing of multiple markers simultaneously, reducing the total sample volume needed while maintaining comprehensive molecular signature detection capability
Solution Approach 2:
The patent employs thin film membranes within the microfluidic device to enable efficient protein transfer and marker detection. These thin films facilitate high-sensitivity detection of biocellular markers from small sample volumes, resolving the contradiction between detection precision and sample quantity requirements
2Measurement precision
If traditional molecular assays are used to profile circulating monocytes, then molecular signatures can be generated, but high variability and low throughput are encountered
Solution Approach 1:
The microfluidic device divides the profiling process into multiple parallel channels, each optimized for specific marker detection. This parallel architecture increases throughput by simultaneously processing multiple markers while maintaining measurement precision through dedicated optimization of each channel
Solution Approach 2:
The device merges multiple detection functions into a single integrated microfluidic platform, combining sample processing, marker detection, and data generation in one system. This integration improves throughput by eliminating sequential processing steps while maintaining accuracy through controlled microenvironment conditions
3Productivity
If microfluidic immunoblotting devices with open channels are used, then rapid assessment of therapeutic effects is achieved, but device complexity increases
Solution Approach 1:
The open microfluidic channels are designed to allow solutions to flow through by capillary action alone, eliminating the need for external pumps or complex fluid control mechanisms. This self-service approach enables rapid assessment functionality while minimizing device complexity through passive fluid handling
Solution Approach 2:
The microfluidic device incorporates multiple functions within a single platform, including sample processing, antibody incubation, marker detection, and data generation. This multi-functionality achieves rapid comprehensive assessment while managing complexity through integration rather than separate components
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 facilitates rapid assessment of therapeutic agent effects and clinical characteristics, enhancing therapeutic efficacy and disease risk stratification by providing detailed molecular signatures of biocellular markers involved in signaling pathways.
Implementation Method 1
a microfluidic immunoblotting device comprising a flat membrane-contacting surface and a plurality of non-connected parallel microfluidic channels
Implementation Method 2
detecting binding of antibodies with the antibody solutions to the proteins
Data Source
AI summary
The present disclosure relates to the use of microfluidic devices and systems to generate dynamic molecular signatures based on the detection of various biocellular markers. In particular, the present disclosure involves generating a dynamic molecular signature or profile using the cells of a subject (e.g., circulating monocytes), for various diagnostic and prognostic purposes, such as characterizing a disease or non-disease state, or predicting drug responsiveness. The microfluidic systems and methods of the present disclosure can be used to rapidly assess a plurality of clinical characteristics, which will ultimately enhance therapeutic efficacy and facilitate disease risk stratification.