Scanning electron microscope image of wormlike structures 'growing' from dental tubules deep inside a molar. Image courtesy of University of Maryland, Baltimore. Inside a human tooth, more than 50,000 ...

In histopathology, where tissues are studied under the microscope to understand and diagnose diseases, stains represent a quintessential tool. Simply put, stains are carefully selected or crafted ...

To ensure that the tissue structures of biological samples are easily recognizable under the electron microscope, they are treated with a staining agent. The standard staining agent for this is uranyl ...