Protein Purification Series

Magnetic Separation – Fast response, complete purification process within 30 min, no chromatograph, no centrifugation, maximally preserve protein activity


Excellent Suspension Ability  – Nanometer scale, rapid conversion from solid-phase to solution and vice versa


High Binding Capacity – efficient coupling, higher binding surface area


Low non-specific Binding –hydrophilic microspheres, low non-specific binding


Compatible with automation and LC-MS/MS analyses

Streptavidin Magnetic Beads

EmerTher Streptavidin Magnetic Beads are nano-superparamagnetic beads covalently coated with highly purified streptavidin. The beads provide a rapid and efficient method to  capture biotinylated molecules, including  DNA,  RNA,  PCR   products, oligonucle- otides, antibodies, peptides, and other proteins, which can be subsequently used in a wide variety of applications, including immunopurification, immunoassays, cell isolation, and organelle isolation, etc.

Protein A Magnetic Beads


EmerTher Protein A Magnetic Beads  are  nano-superparamagnetic  beads covalently coated with protein A.  The  Beads provide  a  rapid and efficient  method  for  isolation of antibodies from  serum,  ascites or cell culture media and for  immunoprecipitation  of  the  target antigen  from  cell lysates  or tissue extracts.

Glutathione (GST-tag Affinity) Magnetic Beads


EmerTher Glutathione Magnetic Beads are nano-superparamagnetic beads coupled with reduced glutathione. The product provides an efficient and reliable method to purify GST (glutathione-S-transferase)-tagged fusion proteins. 

Ni-NTA (His-tag Affinity) Magnetic Beads

EmerTher Ni-NTA Magnetic Beads are nano-superparamagnetic beads coupled with nickel-charged nitrilotriacetic acid (Ni-NTA). With a fast magnetic response rate, high protein binding capacity and low non-specific binding, AvanBio Ni-NTA Magnetic Beads provide a rapid and efficient method to purify His-tagged fusion proteins from crude cell lysates.

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