WebWe characterized the long-term stability of total prostate specific antigen in serum samples after storage at -80C from 2001 until 2007. From the San Antonio Biomarkers of Risk … Web7 de set. de 2016 · You should not store serum or plasma in -20C for long periods of time, if it's just a week then that would be fine. But, for months or years I use a -80C which has …

Effects of Long-Term Storage Time and Original Sampling Month …

Web19 de set. de 2006 · Freezer Temperature and Long-term Storage Both mechanical and liquid nitrogen freezers are used in epidemiologic studies. Storage temperatures vary, with liquid nitrogen freezers ranging from −130°C to −196°C (depending on whether samples are in the liquid or vapor phase) and mechanical freezers between −20°C and −80°C. WebResponse Short-term Long-term Freeze/thaw Yes 70% 59% 95% 30% 41% 5% • No long-term instability observed (>55 different biological drugs included) Long-term stability not necessary • No short-term instability described • Bench-top storage of the samples at 4°C or ambient, as well as freezing and recent prophecies by hank kunneman

Preanalytical aspects on short- and long-term storage of serum …

WebObjectives: We evaluated the long-term stability of thyroid peroxidase antibody (anti-TPO). Methods: In the Danish General Suburban Population Study (GESUS), serum samples … Web1 de out. de 2016 · Since the majority of samples in our data have been sampled on multiple occasions, it is difficult to separate the effect of the ageing of the individuals from … Web19 de set. de 2006 · In general, plasma or serum should be stored in mechanical freezers at −80°C and lymphocytes or other cellular specimens should be stored in the vapor phase of liquid nitrogen at −150°C or lower when long-term viability is necessary. Some general storage considerations are as follows ( 1 ). unknown icon in taskbar windows 10