Pre-assembled Linkers for Scalable Immunosignaturing Arrays
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Solution Overview
Problem
Current methods for diagnosing immune-mediated disorders, such as autoimmune diseases and infections, face challenges including misdiagnosis due to disease similarities and high costs associated with protein and robotically printed peptide arrays, which are also limited by scalability, reproducibility, and production quality.
Innovation Solution
The development of molecular arrays with chemical libraries that minimize non-specific antibody binding and utilize pre-assembled sulfonamide-amino building blocks for improved peptide coupling, along with in situ synthesis and mass spectrometry for purity measurement, enabling reliable, low-cost, and scalable immunosignaturing assays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If protein and robotically printed peptide arrays are used for diagnosis, then diagnostic capability is provided, but costs are high and scalability is limited
Solution Approach 1:
The patent segments the diagnostic system into modular components: standardized array substrates, pre-synthesized peptide libraries, and automated synthesis platforms. This segmentation enables independent optimization of each component and facilitates scaling by replicating modular units rather than manufacturing complete arrays as single complex products.
Solution Approach 2:
The patent implements preliminary action through pre-synthesis of peptide libraries and pre-assembly of array components before final diagnostic deployment. Peptide sequences are synthesized and validated in advance, and array substrates are prepared with standardized surfaces, enabling rapid assembly of complete diagnostic systems when needed and reducing per-unit costs through batch processing.
2Manufacturing precision
If robotically printed peptide arrays are used, then peptide coupling is achieved, but reproducibility and production quality are limited
Solution Approach 1:
The patent applies parameter changes by optimizing and standardizing critical synthesis parameters including peptide coupling reagent concentrations, reaction temperatures, incubation times, and washing protocols. These standardized parameters are maintained across all array manufacturing batches, ensuring consistent peptide coupling efficiency and reproducibility of diagnostic results.
Solution Approach 2:
The patent implements feedback mechanisms through quality control measurements at multiple stages: peptide synthesis intermediates are monitored, coupled peptides are verified, and final array quality is assessed. This feedback enables real-time adjustments to manufacturing parameters and ensures that only arrays meeting specified quality criteria are released for diagnostic use.
3Productivity
If conventional array synthesis is used, then arrays are produced, but non-specific antibody binding occurs
Solution Approach 1:
The patent applies local quality by treating different regions and surfaces of the array differently to minimize non-specific binding. The array substrate surface is modified with specific coatings in peptide-containing regions, while control regions use different surface treatments. This localized differentiation reduces non-specific antibody binding without compromising peptide detection capability.
Solution Approach 2:
The patent introduces intermediary substances between the array substrate and antibodies: surface coating materials, blocking agents, and buffer components are used as intermediaries to prevent direct non-specific interactions between antibodies and the substrate or unrelated surfaces, while allowing specific antigen-antibody binding to proceed.
Data Source
AI summary
Molecules compounds are provided having the structure in Formula I, or a salt thereof, wherein n1 is independently 0, 1, 2, or 3; n2 is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, or 20; n3 is from 0, 1, 2, or 3; n4 is 0 or 1; and n5 is 0, 1, 2, or 3; and wherein X is O, N, or S; Y, Z, XX, and YY are the same or different and are independently O or S; ZZ comprises nitrogen, oxygen, sulfur, or selenium; and wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 are as described herein. Methods are also provided for the synthesis of and use of the provided molecules in applications for diagnostic testing.