全部 Glentham Tebu-Bio ScyTek BioGems adi Promega StremChemical avivasysbio biosynth Clontech A-M system Anaspec Ancell Assaypro Biorbyt eylabs Phoenix Phamaceuticals Abeomics abfrontier academy biomed ACROBiosystems GlycoTech pblassaysci wpiinc ApexBio aristabiologicals asuragen AustralBiologicals Binding Site Bioaim Biocytex biomax Biomol biospec Bio-Synthesis Caltag Creative biomart devatal Euriso-top GloboZymes GroPep hpc-standards hypermol hypoxyprobe Nordicbiosite Omega Bio-Tek omicronbio Ontores PromoCell TheNativeAntigenCompany

在酸碱电离理论中，碱指在水溶液中电离出的阴离子全部都是OH-的物质；在酸碱质子理论中碱指能够接受质子的物质；在酸碱电子理论中，碱指电子给予体。