Serum Immunoglobulins TRIZ Cases

A protein isolation process uses successive ion exchange steps to collect immunoglobulin G in flow-through fractions.

Negatively surcharged antibodies bind monoclonal proteins to displace them outside the gamma zone, resolving interference with polyclonal backgrounds.

Segmented filtration prevents filter blocking in viscous protein solutions, maintaining high productivity without frequent replacements.

Pre-filtration solute adjustment calculates buffer concentrations to maintain immunoglobulin stability during tangential flow filtration.

Antibody repertoire scoring calculates Neu5Gc disease risk by analyzing specific glycan-reactive antibody subsets.

Segmenting eluate fractions during cation exchange chromatography reduces amidolytic activity to prevent thromboembolic events.

Cation exchange chromatography removes free Fc-moieties by exploiting charge differences at specific pH levels to ensure therapeutic purity.

A bead-coated immune complex assay measures immunoglobulin potency by inhibiting cytokine secretion in HL60 cells.

Combines hypoxanthine with human immunoglobulin to restore hematopoietic function.

Sequential elution on an anion exchanger enriches monomeric and dimeric IgA, removing residual IgG to preserve anti-inflammatory properties.

Narrow pH optimization enables anion exchange chromatography to separate monomeric immunoglobulins from aggregates and fragments in a single step.

Di-sialylated Fc polypeptides treat immune-related thrombocytopenia by increasing reticulated platelets in non-responders.

Differential scanning fluorimetry detects protein unfolding using hydrophobic fluorescent dyes to assess thermal transitions.

Segmented microfiltration removes intact cells before depth filtration, preventing clogging in high-density suspensions.