News tagged with luminescence

Brilliant dye to probe the brain

To obtain very-high-resolution 3D images of the cerebral vascular system, a dye is used that fluoresces in the near infrared and can pass through the skin. The Lem-PHEA chromophore, a new product outclassing ...

May 02, 2013
4.6 / 5 (5) 0

A ghost in Cepheus

Described as a "dusty curtain" or "ghostly apparition," mysterious reflection nebula VdB 152 really is very faint. Far from your neighborhood on this Halloween Night, the cosmic phantom is nearly 1,400 light-years ...

Nov 01, 2012
4 / 5 (1) 0

Luminescent ink from eggs

(Phys.org)—Luminescent carbon nanoparticles based on carbon exhibit advantageous optical properties. They are also biocompatible, and therefore better suited for imaging procedures in the biosciences than ...

Sep 13, 2012
5 / 5 (2) 0 | with audio podcast

Research suggests cells communicate via biophotons

(Phys.org) -- Biologists have long been familiar with luminescence in organisms, where plants and animals produce visible light, but more intriguing perhaps is the newer field of study centered around biophotons, ...

May 23, 2012 weblog
4.1 / 5 (8) 1 | with audio podcast

The acid test: 21st century pH meter

Modern methods for mass production of biological agents and fine chemicals require precise control of pH. However within these systems it is not always possible to use traditional methods for measuring acidity and alkalinity. ...

Mar 28, 2012
5 / 5 (1) 0

Two-in-one imaging agents

(PhysOrg.com) -- Accurate visualization of living systems is key to the correct diagnosis and effective treatment of many diseases, as well as an improved understanding of biological processes. Magnetic resonance ...

Mar 19, 2012
not rated yet 0