Urea gradient size-exclusion chromatography enhanced the yield of lysozyme refolding

Z Gu, Z Su, JC Janson - Journal of Chromatography A, 2001 - Elsevier
Protein refolding is still a bottleneck for large-scale production of valuable proteins
expressed as inclusion bodies in Escherichia coli. Usually biologically active proteins …

Dual gradient ion-exchange chromatography improved refolding yield of lysozyme

M Li, G Zhang, Z Su - Journal of Chromatography A, 2002 - Elsevier
Protein refolding at high concentrations always leads to aggregation, which limits
commercial application. An ion-exchange chromatography process with gradient changes in …

Continuous chromatographic protein refolding

H Lanckriet, APJ Middelberg - Journal of Chromatography A, 2004 - Elsevier
Column-based protein refolding requires a continuous processing capability if reasonable
quantities of protein are to be produced. A popular column-based method, size-exclusion …

Studies of the hydrodynamic volume changes that occur during refolding of lysozyme using size-exclusion chromatography

B Batas, HR Jones, JB Chaudhuri - Journal of Chromatography A, 1997 - Elsevier
A size-exclusion chromatography-based refolding process (SEPROS) has successfully been
used to renature lysozyme at high concentrations. This process is based on the different …

Protein refolding at high concentration using size‐exclusion chromatography

B Batas, JB Chaudhuri - Biotechnology and Bioengineering, 1996 - Wiley Online Library
A new method to improve refolding yields and to increase the concentration of refolded
proteins in a single operation has been developed. The method uses size‐exclusion …

Lysozyme refolding with immobilized GroEL column chromatography

XY Dong, H Yang, Y Sun - Journal of Chromatography A, 2000 - Elsevier
A refolding chromatography with immobilized molecular chaperonin GroEL was studied for
the reactivation of denatured-reduced lysozyme. The effect of denaturant concentration …

In vitro protein refolding by chromatographic procedures

M Li, ZG Su, JC Janson - Protein expression and purification, 2004 - Elsevier
In vitro protein refolding is still a bottleneck in both structural biology and in the development
of new biopharmaceuticals, especially for commercially important polypeptides that are …

Considerations of sample application and elution during size-exclusion chromatography-based protein refolding

B Batas, JB Chaudhuri - Journal of Chromatography A, 1999 - Elsevier
A mechanism for size-exclusion chromatography-based protein refolding is described. The
model considers the steps of loading the denatured protein onto a gel filtration column, and …

Inclusion body purification and protein refolding using microfiltration and size exclusion chromatography

B Batas, C Schiraldi, JB Chaudhuri - Journal of biotechnology, 1999 - Elsevier
The presence of inclusion body impurities can affect the refolding yield of recombinant
proteins, thus there is a need to purify inclusion bodies prior to refolding. We have compared …

Refolding of protein inclusion bodies directly from E. coli homogenate using expanded bed adsorption chromatography

TH Cho, SJ Ahn, EK Lee - Bioseparation, 2001 - Springer
To avoid the intrinsic problem of aggregation associated with the traditional solution-phase
refolding process, we proposed a solid-phase refolding method integrated with the …