Affinity chromatography approaches to overcome the challenges of purifying plasmid DNA

F Sousa, DMF Prazeres, JA Queiroz - Trends in biotechnology, 2008 - cell.com
The diversity of biomolecules present in plasmid DNA (pDNA)-containing extracts and the
structural and chemical similarities between pDNA and impurities are some of the main …

Pseudobiospecific ligand affinity chromatography

MA Vijayalakshmi - Trends in Biotechnology, 1989 - Elsevier
Pseudobiospecific ligand affinity chromatography is based on the use of robust and
inexpensive substitutes for the biological ligands used in biospecific ligand affinity …

Chitosan as a polymer for pH-induced DNA capture in a totally aqueous system

W Cao, CJ Easley, JP Ferrance, JP Landers - Analytical chemistry, 2006 - ACS Publications
A novel DNA solid-phase extraction protocol based on the pH-dependent charge of chitosan
was developed specifically for low-volume DNA extraction on microchips. The method uses …

Current trends in separation of plasmid DNA vaccines: a review

A Ghanem, R Healey, FG Adly - Analytica chimica acta, 2013 - Elsevier
Plasmid DNA (pDNA)-based vaccines offer more rapid avenues for development and
production if compared to those of conventional virus-based vaccines. They do not rely on …

Preparative affinity chromatography of proteins

SR Narayanan - Journal of Chromatography A, 1994 - Elsevier
This review describes the role of affinity chromatography in large-scale protein purification.
The currently available affinity supports are examined with respect to their use in the …

High‐performance affinity chromatography with immobilization of protein A and L‐histidine on molded monolith

Q Luo, H Zou, Q Zhang, X Xiao… - Biotechnology and …, 2002 - Wiley Online Library
Reactive monoliths of macroporous poly (glycidyl methacrylate‐co‐ethylene dimethacrylate)
have been prepared by “in‐situ” copolymerization of the monomers in the presence of …

Selective purification of supercoiled plasmid DNA from clarified cell lysates with a single histidine–agarose chromatography step

F Sousa, S Freitas, AR Azzoni… - Biotechnology and …, 2006 - Wiley Online Library
The ability to isolate sc (supercoiled) pDNA (plasmid DNA) isoform should be one of the
features of a pDNA purification process, eliminating sample contaminants such as RNA …

[图书][B] Immobilization on polymers

MI Shtilʹman - 2023 - taylorfrancis.com
This volume is devoted to the developments in the branch of polymer chemistry which deals
with immobilized systems. These systems are widely used in fields connected with …

[PDF][PDF] Separation of supercoiled and open circular plasmid DNA isoforms by chromatography with a histidine–agarose support

F Sousa, CT Tomaz, DMF Prazeres… - Analytical …, 2005 - academia.edu
The recent developments in molecular therapies, such as nonviral gene therapy and DNA
vaccination, have fostered the development of eYcient plasmid DNA (pDNA) 1 purification …

Successful application of monolithic innovative technology using a carbonyldiimidazole disk to purify supercoiled plasmid DNA suitable for pharmaceutical …

A Sousa, CT Tomaz, F Sousa, JA Queiroz - Journal of Chromatography A, 2011 - Elsevier
The growing demand on plasmid DNA (pDNA) manufacture for therapeutic applications
requires a final product with higher quality and quantity, spending the least time. Most of the …