3,3'-diaminobenzidine (Vector Laboratories) was used as the peroxidase substrate
Then, cells were placed in a selective medium containing hygromycin B (100 g/mL for MCF-7 and 200 g/mL for SUM-159 and MDA-MB-231)
Mitophagy is crucial for sustaining healthy mitochondria and serves a protective function by eliminating damaged mitochondria and protein aggregates (Liang and Kobayashi, 2016
After using your spray, make sure the cap or lid is securely closed
Tuy nhin, khi s dng dng thuc ung, Tt nht bn nn tham kho kin ca bc s xc nh xem n c ph hp vi mnh hay khng
Topical GHK-Cu serum shelf life Pre-made commercial serums: Usually 6-12 months unopened 3-6 months after opening Check manufacturer recommendations Refrigerate after opening extends life DIY serums (mixing powder with carrier): Shorter shelf life than commercial 2-4 weeks typical (no preservatives) Must refrigerate Discard if color changes Factors affecting topical shelf life: Preservatives: Extend significantly pH: Neutral pH more stable Carrier: Some better than others (hyaluronic acid, glycerin good) Storage: Cool, dark, sealed Contamination: Sterile technique critical Best practices for topical GHK-Cu: Buy small bottles (use within 3-6 months) Refrigerate after opening Don't double-dip (pour into hand, don't touch dropper to skin) Watch for color changes (brown = oxidized) Replace every 6 months even if looks fine See our how to reconstitute peptides , bacteriostatic water for peptides , and how long reconstituted peptides last in fridge
