Researchers at the Massachusetts Institute of Technology and Harvard Medical School have developed an elastic supramolecular gel that remains stable in the acidic environment of the stomach but which dissolves in the pH-neutral environment of the small and large intestines. The new polymer gel could be used to make improved delayed-release drug dosing systems as well as ingestible electronic capsules that are safer for the patient…..
http://nanotechweb.org/cws/article/tech/62048
