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• n  a tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi

• But Activated DDT is supposed to penetrate an insect's chitin (outer skin) and reach its nervous system more surely than previous mixtures.

News & Articles

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• Painless microneedle patch could test for TB
  Researchers test a chitin microneedle patch on human skin. (Credit: Marco Rolandi/UW) Today, one of the standard tests for tuberculosis involves inserting a hypodermic needle into a person's arm using a very precise angle and depth -- thereby requiring a certain level of skill on the part of the tester and chutzpah on the part of the patient. Researchers at the University of Washington hope to ...
  Aug. 29, 2013 - CNET