Studies of drug absorption in the small intestine could help researchers identify medicines that can be taken orally.

Long-lasting capsule can remain in the stomach and release contraceptive drugs over several weeks.

Coating particles with “right-handed” molecules could help them penetrate cancer cells more easily.

Materials could be useful for delivering drugs or imaging agents in the body; may offer alternative to some industrial plastics.

Study shows tumors with softer, larger cells at their periphery are more likely to spread; may suggest new route for cancer therapy.

Coated pill carries microneedles that deliver insulin and other drugs to the lining of the small intestine.

Magnetically controlled device could deliver clot-reducing therapies in response to stroke or other brain blockages.

Smart materials change properties in response to specific DNA sequences; could be used in a variety of devices.

Magnetic particles allow drugs to be released at precise times and in specific areas.

Novel materials made with FDA-approved components could deliver large payloads of active ingredients.