2017
DOI: 10.1016/j.chroma.2017.06.018
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Continuous countercurrent tangential chromatography for mixed mode post-capture operations in monoclonal antibody purification

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Cited by 15 publications
(8 citation statements)
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“…The optimized continuous countercurrent tangential chromatography method increases yield and productivity compared to traditional batch protein A chromatography and also reduces the protein aggregation with the same amount of contamination removal in the outlet product [41,112]. There are plans to scale up to a commercial scale system [113], but the larger static mixer and filtration membranes [114] have to be further developed to maintain the consumable costs competitively. For non-chromatography methods, ATPS can also achieve continuous protein primary capture with up to 80% global recovery yield and can achieve protein purity more than 99% [115].…”
Section: Discussionmentioning
confidence: 99%
“…The optimized continuous countercurrent tangential chromatography method increases yield and productivity compared to traditional batch protein A chromatography and also reduces the protein aggregation with the same amount of contamination removal in the outlet product [41,112]. There are plans to scale up to a commercial scale system [113], but the larger static mixer and filtration membranes [114] have to be further developed to maintain the consumable costs competitively. For non-chromatography methods, ATPS can also achieve continuous protein primary capture with up to 80% global recovery yield and can achieve protein purity more than 99% [115].…”
Section: Discussionmentioning
confidence: 99%
“…The two important parameters for each step are the number of stages and the ratio of the permeate/retentate flow ( γ ) in that stage, both of which affect the product yield (in the elution step) and the degree of impurity removal (in the washing and strip steps). It has been shown in previous publications (Dutta et al, ) that the critical flux is usually >650 L·m −2 ·hr ‐1 (LMH) for the typical operating conditions used in the CCTC system; this was also true for the smaller Resin 2. The required membrane surface area for each hollow fiber module was chosen so that the permeate flux was <50% of the critical flux (giving an upper limit of 325 L·m −2 ·hr ‐1 ).…”
Section: Resultsmentioning
confidence: 69%
“…Continuous countercurrent tangential chromatography (CCTC) provides an attractive alternative to batch column chromatography (Dutta et al, ; Dutta, Tan, Napadensky, Zydney, & Shinkazh, ; Napadensky, Shinkazh, Teella, & Zydney, ; Shinkazh et al, ). The system performs the chromatographic operations (binding, wash, elution, strip, and equilibration) sequentially, with each step composed of multiple stages consisting of hollow fiber membranes and static mixers.…”
Section: Introductionmentioning
confidence: 99%
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“…An integrated two-stage chromatographic process platform containing CEX and MM was used for the separation of charge variants and aggregates for three different mAbs, and it was found that the required aggregate (<1%), HCP (<10 ppm), and DNA (<5 ppb) clearance was achieved (Kateja et al, 2017b). CCT chromatography was also used for a postcapture antibody purification step using MM resins (CEX-HIC) and showed a 5% increase in yield with similar contaminant removal (Dutta et al, 2017). In another study, it was established that the chromatography resin in a two-column continuous system resulted in 2.5-fold more utilization in comparison with single column batch system (Steinebach et al, 2016;Bielser et al, 2018).…”
Section: Continuous Chromatographymentioning
confidence: 99%