In the central Sahara, where sand now buries ancient lakes, scientists have pulled genetic material from 7,000-year-old ...
New tech lets scientists extract DNA from old grasshopper collections without damaging the specimens. This unlocks evolutionary data previously inaccessible due to DNA degradation.
To obtain high-quality, purified nucleic acids, scientists can use several different methods, including phenol-chloroform extraction, cesium chloride/ethidium bromide (CsCl/EtBr) gradient ...
Formalin-fixed paraffin embedding (FFPE) is employed in hospitals around the world to preserve and store clinical samples. However, extracting and purifying DNA from FFPE samples presents challenges, ...