The Application dimension of the Membranes for Life Sciences market is a primary driver of revenue allocation, as each use‑case demands distinct performance criteria and regulatory pathways. Cell culture membranes, accounting for roughly 30% of total sales, support adherent and suspension cell lines in biopharma R&D, where surface chemistry and pore uniformity dictate cell viability and product yield. Filtration membranes, representing about 25%, are employed in sterile filtration, virus removal, and sample cleanup, leveraging tight pore size distributions to meet stringent purity standards. Diagnostics membranes, contributing 20%, enable point‑of‑care and laboratory assays through rapid analyte capture and signal transduction, often integrating with microfluidic platforms. Bioprocessing membranes, at 15%, facilitate downstream purification steps such as ultrafiltration and diafiltration, where flux and fouling resistance directly affect process economics. Finally, Research membranes, comprising the remaining 10%, serve academic and exploratory laboratories for membrane‑based separations and sensor development. Collectively, these application segments define the Membranes for Life Sciences segmentation and shape investment priorities across the market.