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Tissues were rinsed with PBS to remove residual impurities
"I believe this is going to be a very fruitful find," says Birsoy
More specifically, it causes the active forms to convert to cyanocobalamin, causing a functional deficiency
When kept frozen, dry, and protected from light, stability may extend for a longer duration
Several peptide-storage references use the same basic framework: lyophilized peptides are more stable for long-term storage, while peptide solutions are more fragile and should be treated as short-term materials
These injections are typically administered by healthcare professionals to treat vitamin B12 deficiency in people with pernicious anemia and other conditions, but some clinics offer training for safe self-injection at home
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