New test helps identify particles for gene delivery or RNA interference.

Noninvasive technique reduces beta amyloid plaques in mouse models of Alzheimer’s disease.

Inexpensive device can diagnose Zika in just a few hours.

Study offers new targets for drugs that may prevent cancer from spreading.

Engineered probiotics can detect tumors in the liver.

Tiny particles embedded in gel can turn off drug-resistance genes, then release cancer drugs.

Glue can be modified for optimal performance in different types of diseased tissue.