Molecular imaging has witnessed a tremendous change over the last decade. Growing interest and emphasis are placed on this specialized technology represented by developing new scanners, pharmaceutical drugs, diagnostic agents, new therapeutic regimens, and ultimately, significant improvement of patient health care. Single photon emission computed tomography (SPECT) and positron emission tomography (PET) have their signature on paving the way to molecular diagnostics and personalized medicine. The former will be the topic of the current paper where the authors address the current position of the molecular SPECT imaging among other imaging techniques, describing strengths and weaknesses, differences between SPECT and PET, and focusing on different SPECT designs and detection systems. Radiopharmaceutical compounds of clinical as well-preclinical interest have also been reviewed. Moreover, the last section covers several application, of μSPECT imaging in many areas of disease detection and diagnosis.

High-spin states of nuclei, populated by heavy-ion reactions, are of interest because they reveal changes in the structur of nuclei under stress. I n the first part much of our insight into the structure of high-spin states is being provided by electromagnetic strmgth functions. In the second part, the level scheme of 158Yb has been extended to I = 37 by using the 9sMo (S4Ni, 4n) reaction, and the backbending phenomena in Yb isotopes has been discussed.

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In the framr of r the rotational-vibrational pr to the pure rotational spectrum of the 9169162 nuclei of rare-earth metals, a new numericai value has been calculated for a previously estimated [4] adjusting factor. Precise calculations have shown that this factor is, unfortunatr by no means constant. Moreover, the deformation parameter has been computed for those nuelei. The graphical representation of both the adjusting factor, b, and the reciprocai of the deformation parameter,~-1, against the mass number, A, has been discussed. Ir has been found that b varir with A in a similar mannr as p-1.