In order to function properly, any drug delivery system must be biocompatible and biodegradable.
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In addition to being stable for extended periods of time, polyelectrolytes may be useful for vaccines because they can be biodegradable.
If a litter lout throws a crop origin biodegradable article on the ground, it will ultimately biodegrade into humus, water, and non-fossil CO2.
Hefty was one of the brands (along with Kordite and Baggies) named in a complaint brought against Mobil by the United States Federal Trade Commission in 1992, regarding claims made by the company in advertisements and packaging, which allegedly led consumers to believe that the bags were more biodegradable than other brands of bag, despite a lack of evidence to support this claim nor presentation of a specific definition for the term.
Lignin is highly resistant to biodegradation and only higher fungi are capable of degrading the polymer via an oxidative process.
The Food and Drug Administration (FDA) states in its review of water pollution that many contaminants survive wastewater treatment and biodegradation, and are detectable in the environment.