r&d systems is a global resource for cell biology. find quality proteins, antibodies, elisa kits, laboratory reagents, and tools.

origene offers over 37,000 human full-length orf cdna clones, 50,000 primary antibodies , 10,000 human proteins and other research reagents such as rnai, assays, tissues, transfection regents for gene based research.

abcam, the leading supplier of protein research tools to life scientists. discover more from a range of 118,000 antibodies, kits, proteins and other reagents

global antibody supplier and research reagent supplier to the life science community. find antibodies and reagents all backed by our guarantee+.

an antibody shouldn’t be one of the variables in your experiment. find out why customers rank cst highest for antibody specificity and sensitivity.

bosterbio, a premium manufacturer of high sensitivity elisa kits and high quality antibodies

buy your elisa kit, antibody, recombinant protein, peptide @ mybiosource - your source for life science reagents!

as a leading biotech company focusing exclusively on early drug discovery and development services, genscript provides a comprehensive portfolio of services that include bio-reagent, bio-assay, lead optimization, and antibody drug development.

a cornerstone enterprise of the global biopharma industry dedicated to helping customers overcome challenges from discovery to the clinical stage by delivering innovative life science solutions.

abcam, 为生命科学研究提供严格验证的抗体，试剂，蛋白，试剂盒。超过11万种优质高效的蛋白研究工具，提供数据表、多项验证并附有客户评价，现货速达，帮您更快完成实验。