fluorescent dye

• مادة تمتص الضوء عند طول موجي معين ثم تعيد إصداره عند طول موجي أطول، وتُستخدم في التصوير العلمي والتشخيص الطبي والأبحاث البيولوجية لوضع العلامات على البنى أو تصويرها.

A substance that absorbs light at one wavelength and emits it at a longer wavelength, used in scientific imaging, medical diagnostics, and biological research to label or visualize structures.

1. Substance that emits lightC1formal

   A chemical compound that absorbs light at one wavelength and emits it at a longer wavelength, producing visible fluorescence.

   مادة تُصدر ضوءًا

   • The biologist used a fluorescent dye to stain the cell nuclei.
   • Fluorescent dyes are commonly used in microscopy to visualize specific structures.
   • The lab technician added a fluorescent dye to the sample to track the protein.

2. Coloring agent for visibilityB2informal

   A dye that glows brightly under ultraviolet or blue light, used for highlighting or safety purposes.

   صبغة فلورية

   • The safety vest was coated with a fluorescent dye for high visibility at night.
   • Artists sometimes use fluorescent dye to create glowing effects in their paintings.
   • The highlighter pen contains a fluorescent dye that makes text stand out.