The two main fixation formats used by researchers are formalin fixation followed by paraffin embedding (FFPE) or snap-frozen in liquid nitrogen (referred to as Fresh Frozen or FF). There is less of a ...

For decades, formalin-fixing paraffin-embedding has been the preferred method for preserving biological samples for diagnostic research. Formalin is relatively inexpensive and can be used to preserve ...

Formalin-based fixation and paraffin embedding (FFPE) is a common method to preserve clinical samples, and FFPE tumor samples serve as valuable study materials for clinical and translational medicine ...

Stable isotopes are increasingly being used to unlock the wealth of information contained in specimens preserved in museum collections. However, preservation methods that employ formalin may confound ...