Assay Prep Calculator for peptide research
Plan assay plate layouts, calculate dilution volumes. Use this page as a practical research worksheet, then compare the result against product labels, COAs, and related Volta guides before making any research decision.
Interpret certificate of analysis values
Check peptide mass, purity, or sequence properties
Evaluate lab-readiness before research use
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Peptide Pull-Down Assays for Antibody Target Validation
Peptide pull-down assays confirm antibody specificity by immobilizing bait peptides to capture target proteins from crude extracts. These methods use biotinylated peptides bound to streptavidin-coupled magnetic beads, allowing rigorous washing to ensure specific binding. Early validation saves time and resources in drug discovery by eliminating nonspecific binders.
Endotoxin-Free Peptides: Key to Accurate T Cell Assays
Trace endotoxin levels in peptides can distort T cell assay results by triggering non-specific immune responses and false positives. Endotoxins, components of gram-negative bacterial LPS, activate TLR4 and influence various immune cells. Continuous testing since 2016 through certified labs has confirmed negative results for all peptides and pools, ensuring reliable reagents for immunology research.
Peptide Array Synthesis: Formats, Spot Sizes, and Custom Quote Requests
Peptide arrays are powerful tools for high-throughput screening, available in different formats depending on assay type. Standard arrays feature small spots (1-2 mm diameter) supporting up to 1,400 peptides per membrane, while large-spot arrays (5-7 mm) accommodate about 110 peptides for solution assays. Maximum array size is approximately 8 cm x 13 cm. This guide explains how to request a custom quote for your specific peptide array needs.