ArticlePloS one2019
Sequential two-step chromatographic purification of infectious poliovirus using ceramic fluoroapatite and ceramic hydroxyapatite columns.
Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 11 citations in OpenAlex.
- Large-scale purification of functional AAV particles packaging the full genome using short-term ultracentrifugation with a zonal rotor.Gene therapy · 2023Article
- Extraction of Hydroxyapatite Nanostructures from Marine Wastes for the Fabrication of Biopolymer-Based Porous Scaffolds.Marine drugs · 2019Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Infectious virus purification techniques are important for vaccine development and gene therapy applications. However, the standardized one-step purification technique using ceramic hydroxyapatite (CHAp) has proven unsuitable for poliovirus. Therefore, we designed a sequential two-step chromatographic technique for purification of the infectious Sabin type 2 vaccine strain of poliovirus from the cell culture supernatant. In the first step, we removed protein contaminants from the Sabin type 2 virus fraction by pH gradient elution on a ceramic fluoroapatite column. In the second step, we removed double-stranded DNA derived from host cells by diluting the virus fraction, directly loading it on a CHAp column, and purifying it using a phosphate gradient with 1 M sodium chloride. This process achieved removal rates of more than 99.95% and 99.99% for proteins and double-stranded DNA, respectively, and was highly reproducible and scalable. Furthermore, it is likely that it will be applicable to other virus species.
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