Stem Cell Assays Market Size, Share & Trends Analysis Report By Assay Type (Cell Viability Assay, Isolation & Purification Assay, Cell Identification Assay, Proliferation Assay, Differentiation Assay, Apoptosis Assay, Others), By Product & Service (Instruments, Kits & Reagents, Services), By Cell Type (Adult Stem Cells, Hematopoietic Stem Cells, Others), By Application (Regenerative Medicine, Drug Discovery, Others), By End Use (Pharmaceutical & Biotechnology Companies, CROs, Others), By Region (North America, Europe, APAC, Middle East and Africa, LATAM), Forecasts, 2026-2034