Your Comprehensive Package on Enzyme-Linked Immunosorbent Assay (ELISA) Knowledge Has Arrived!

What is Enzyme-Linked ImmunoSorbent Assay (ELISA)? Enzyme-Linked ImmunoSorbent Assay, or ELISA, is an immunoenzymatic technique that emerged following the development of immunofluorescence and radioimmunoassay technologies. Since its inception in the early 1970s, ELISA has experienced rapid growth. ELISA is a rapid detection technique established on the basis of the specific Read more…

Does Smaller Particle Size in Chromatography Columns Always Lead to Better Separation Efficiency?

In the development process of liquid chromatography methods, the chromatographic column has the greatest impact on separation efficiency. Parameters of the chromatographic column include: bonded phase, column length, diameter, particle size, and pore size. Engineers experienced in liquid chromatography surely remember this mnemonic: Now, under the same method conditions, does Read more…

Innovative Solutions to Overcome Bottlenecks in Chiral Chromatography Packing: The Journey of Chiral Chromatography Innovations

01 Overcoming the “Neck-Blocking” Issue in Chiral Chromatography Packing As a domestic manufacturer specializing in the independent production of chromatography packing and columns in China, Welch has long been involved in the research and development, as well as the manufacturing, of chiral chromatography packing and columns. We have successfully addressed Read more…

The Welch Core-Shell Chromatography Columns have added C8 and Phenyl, two new members!

A core-shell chromatography column, renowned for its features of “rapid separation, standard column pressure, and ultra-high column efficiency,” serves as a significant tool to achieve UHPLC (Ultra-High-Performance Liquid Chromatography) effects with regular liquid chromatography. We have steadily expanded its product offerings on the basis of the original six core-shell chromatography Read more…