Application-based Gel Filtration Chromatography segmentation reveals how end-user workflows translate into revenue. Protein purification, accounting for over 55 % of 2023 system placements, is driven by monoclonal-antibody programmes that require aggregate removal under mild conditions; resin replacement schedules here create recurring demand that exceeds instrument sales. Polysaccharide analysisโmainly dextrans and heparinoidsโrepresents a mid-size but price-sensitive slice, dependent on pharma release assays where throughput rather than resolution governs purchase decisions. Enzyme isolation, though presently < 10 % of consumption, shows double-digit growth as food-grade and therapeutic enzymes move from fermentation to commercial scale. Complex separation tasks (virus-like particles, vaccine conjugates) form a high-value, low-volume segment where users pay for custom-packed columns and regulatory documentation. Collectively, these applications map directly onto installed capacity, buffer volumes, and service contracts, anchoring the market taxonomy used for procurement budgeting across biopharma, CRO, and academic facilities.