VACCINE STORAGE WITH OUT
REFRIGERATION
Keeping medications cold
from production until they are used in treatment is a costly process,
accounting for as much as 80 percent of the price of vaccinations. The need for
a cold chain has been a difficult for health care providers, aid organizations,
scientists and pharmaceutical companies for decades, especially in settings
where electricity is limited. Failures in the chain result in the loss of
nearly half of all global vaccines
In an attempt to solve this
problem, the scientists developed silk films that essentially wrap up the live
bioactive molecules present in antibiotics and vaccines. This protects these essential
bioactive elements, and so can greatly extend the shelf-life of the medication.
The active drugs are released as the silk film is slowly degraded by enzymes in
the body.The vaccines like measles, mumps, rubella and antibiotics like
penicillin, tetracycline sect are tested using this method, and in all cases
the silk film encapsulated medications remained potent far longer at elevated
temperature. These advances could reduce the cost of vaccination programme.
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