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New phantoms suitable for radiofrequency dosimetry are introduced. These materials have dielectric properties meeting SAR measurement standard requirements over a broad frequency range (600 MHz–6 GHz), and mimic human body and/or head tissues. Physico-chemical aspects have been investigated to explain extended stability and appropriate texture of the materials.
This chapter focuses on recent advances in NMR techniques and methodologies and examples representative of some specific issues related to the structural characterization of sol‐gel materials. One method for improving NMR sensitivity (e.g., dynamic nuclear polarization (DNP)) has been introduced, and the selected examples clearly demonstrate the strength of this new technique to investigate the surface...
Hydroxyapatite (HAp) is a mineral and the major inorganic component of human bone and tooth. Solid or porous HAp ceramics have been used as hard tissue repairing materials in clinic, column packing material for chromatography to separate proteins or enzymes and an adsorbent for removing pathogenic proteins from blood in blood purification therapy. The HAp is synthesized from reagent‐grade calcium...
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