Fresh Frozen Tissues

Specimen collection

All fresh frozen tissue samples are collected by certified medical pathologists and are snap-frozen in liquid nitrogen within 30 minutes of surgery excision. Standard sample weight is 0.5 - 1 gram. Fresh frozen tissue sample collection is performed following strict SOP. Samples can be collected in embedding media upon request. Quality Control is performed on 100% of collected tissue samples. ProteoGenex Quality Control policy helps our customers minimize experimental errors due to poor sample quality.

Clinical Conditions:

  • Oncology
  • Autoimmune disorders
  • Coronary Heart/Artery diseases
  • Metabolic disorders
  • Central Nervous System diseases
  • Infectious diseases
  • Hematological malignances
  • Benign conditions
  • Healthy donors

Sample collection formats

Our biological samples are offered in several formats to meet the needs of biomedical research:

Individual samples

ProteoGenex collects individual fresh frozen tissue samples, diseased or normal.

Matched Pairs

  • Snap frozen diseased/tumor and normal adjacent tissues from a single donor
  • Paired snap frozen and formalin-fixed paraffin-embedded tissues from a single donor
  • Snap frozen diseased/tumor and metastatic tissue samples from the same donor

Four Tissue sets

  • Fresh frozen and formalin-fixed paraffin-embedded tumor and normal adjacent tissue samples from one patient


In addition to tissue samples ProteoGenex also offers various biological fluids (serum, plasma, whole blood, PBMC, urine, saliva, etc.) samples collected from the same patient.

To inquire about samples availability in our Biorepository or to discuss your custom project please contact our office or send us an inquiry via e-mail