Storage Phosphors for Medical Imaging

Storage Phosphors for Medical Imaging

Computed radiography (CR) uses storage phosphor imaging plates for digital imaging. Absorbed X-ray energy is stored in crystal defects. In read-out the energy is set free as blue photons upon optical stimulation. In the 35 years of CR history, several storage phosphor families were investigated and developed. An explanation is given as to why some materials made it to the commercial stage, whil...

Optical Storage Phosphors and Materials for Ionizing Radiation

Assessment of the gain transfer function of phosphors for application in medical imaging radiation detectors.

OBJECTIVE to study various phosphors used in detectors of medical imaging systems by the gain transfer function (GTF), defined in terms of X-ray luminescence efficiency, light spectrum and modulation transfer function. MATERIALS AND METHODS four phosphor materials, La(2)O(2)S:Tb, Y(2)O(2)S:Tb, Y(2)O(2)S:Eu and Y(2)O(3):Eu were used in the form of fluorescent layers prepared in the laboratory....

Scintillator Phosphors for Medical Imaging Enabling life - saving diagnostics by Steven

The Electrochemical Society Interface • Summer 1998 cintillators are high density luminescent materials that convert Xrays to visible light. These materials have been used since the turn of the century to dramatically enhance the sensitivity of film cartridges used in medical diagnostics. Coupling scintillators to photodiodes, charge coupled devices (CCDs), and photomultiplier tubes (PMTs) is a...

Applications of gold nanoparticles for medical imaging

Background & Aim: Molecular imaging enables us to non-invasively visualize tissue microstructures and lesion characterization, allowing accurate diagnosis of diseases at early stages. A successful molecular imaging requires a nontoxic contrast agent with high sensitivity. Nowadays, a wide range of nanoparticles have been developed as contrast agents for medical imaging modalities. Here, we revi...