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 …

Ribonucleic acid purification

R Martins, JA Queiroz, F Sousa - Journal of Chromatography A, 2014 - Elsevier
Research on RNA has led to many important biological discoveries and improvement of
therapeutic technologies. From basic to applied research, many procedures employ pure …

Plasmid biopharmaceuticals

DMF Prazeres, GA Monteiro - Plasmids: Biology and impact in …, 2015 - Wiley Online Library
The contributions of plasmids to biology and their impact in biotechnology and discovery
have been immense. Together with restriction enzymes, plasmids were one of the key …

Advances in chromatographic supports for pharmaceutical‐grade plasmid DNA purification

 Sousa, F Sousa, JA Queiroz - Journal of separation science, 2012 - Wiley Online Library
Chromatographic technology is undoubtedly one of the most diverse and powerful
purification methods for downstream process applications. The diversity and quantity of …

Improvement of transfection efficiency by using supercoiled plasmid DNA purified with arginine affinity chromatography

F Sousa, DMF Prazeres… - The Journal of Gene …, 2009 - Wiley Online Library
Background It is well known that the success of gene transfer to cells and subsequent
expression is strictly affected by the vector manufacturing process. Several challenges …

Dilemma on plasmid DNA purification: Binding capacity vs selectivity

JFA Valente, JA Queiroz, F Sousa - Journal of Chromatography A, 2021 - Elsevier
Plasmid DNA chromatography is a powerful field in constant development and evolution.
The use of this technique is considered mandatory in the production of an efficient and safe …

Minicircle biopharmaceuticals–an overview of purification strategies

CPA Alves, DMF Prazeres, GA Monteiro - Frontiers in Chemical …, 2021 - frontiersin.org
Minicircles are non-viral delivery vectors with promising features for biopharmaceutical
applications. These vectors are plasmid-derived circular DNA molecules that are obtained in …

Poly (hydroxyethyl methacrylate) based affinity cryogel for plasmid DNA purification

I Perçin, E Sağlar, H Yavuz, E Aksöz… - International journal of …, 2011 - Elsevier
The aim of this study is to prepare supermacroporous pseudospecific cryogel which can be
used for the purification of plasmid DNA (pDNA) from bacterial lysate. N-methacryloyl-(l) …

DNA vaccine manufacture: scale and quality

Y Cai, S Rodriguez, H Hebel - Expert review of vaccines, 2009 - Taylor & Francis
The demand for plasmid DNA in large quantities at high purity and concentration is expected
to escalate as more DNA vaccines are entering clinical trial status and becoming closer to …

Poly (hydroxyethyl methacrylate) based magnetic nanoparticles for plasmid DNA purification from Escherichia coli lysate

I Perçin, V Karakoç, S Akgöl, E Aksöz… - Materials Science and …, 2012 - Elsevier
The aim of this study is to prepare poly (hydroxyethyl methacrylate-N-methacryloyl-(L)-
histidine)[PHEMAH] magnetic nanoparticles for plasmid DNA (pDNA) purification from …