Molecular beacon signals low oxygen with ultrasound

Areas of hypoxia, or low oxygen in tissue, are hallmarks of fast-growing cancers and of blockages or narrowing in blood vessels, such as stroke or peripheral artery disease. University of Illinois researchers have developed ...

Veggie juice that illuminates the gut

The pigment that gives spinach and other plants their verdant color may improve doctors' ability to examine the human gastrointestinal tract.

Daylight hours impact opioid receptor levels in brown fat

Researchers from the Turku PET Centre, Finland, have observed that the length of daylight hours impacts opioid receptor levels in brown fat. When daylight hours shorten, the receptor activity levels elevate. A similar phenomenon ...

Colliding molecules and antiparticles

Antiparticles—subatomic particles that have exactly opposite properties to those that make up everyday matter—may seem like a concept out of science fiction, but they are real, and the study of matter-antimatter interactions ...

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