4. Noles, S. R. (2008). Traditional Methods for CsCl Isolation of Plasmid DNA by Ultracentrifugation. https://tools.thermofisher.com/content/sfs/ brochures/D17309~.pdf 5. BioChain Institute Inc. (n.d.). Nucleic Acid Extraction Methods. https://www.biochain.com/general/nucleicacid-extraction-methods 6. Shackelford, R. E. (2021). Molecular DNA & RNA purification. https://www.pathologyoutlines.com/ topic/moleculardnapurintro.html 7. Analytik Jena AG (2018). DNA Extraction: No Beads Required. https://www.specanalitica.pt/documentos/ pdfs/464/eBook_DNA_Extraction_-_No_Beads_ Required.pdf 8. Thermo Fisher Scientific (n.d.). How to Use Phenol/ Chloroform for DNA Purification. https://www. thermofisher.com/ch/en/home/references/protocols/ nucleic-acid-purification-and-analysis/dna-extractionprotocols/phenol-chloroform-extraction.html 9. Shin, J. H. (2013). Nucleic Acid Extraction Techniques. In Y. W. Tang, C. Stratton (Eds.), Advanced Techniques in Microbiology (pp. 209-225). Springer. https://link. springer.com/chapter/10.1007/978-1-4614-3970-7_11 About the Author Éva Mészáros is an Application Specialist with a degree in Molecular Biology and a Ph.D. in Environmental Microbiology. 13https://www https://tools.thermofisher.com/content/sfs/ http://www.thermofisher.com/ch/en/home/references/protocols/ https://www.biochain.com/general/nucleic https://link http://www.springer.com/chapter/10.1007/978-1-4614-3970-7_11 https://www.pathologyoutlines.com/ https://www.specanalitica.pt/documentos/