The use of high-resolution bright-field microscopy is essential for cellular-scale biological research, but this technique has limitations due to low image contrast. Using dyes on the sample can ...

Mason Frazier, M.D., associate professor in the University of Alabama at Birmingham’s Marnix E. Heersink School of Medicine’s Department of Radiology, says contrast imaging is important part of ...

Contrast media used for medical imaging may be contributing to environmental pollution as researchers measure and consider the impact.