Centriolar satellites are PCM-1-positive granules surrounding centrosomes. Proposed functions of the centriolar satellites include protein targeting to the centrosome, as well as communication between the centrosome and surrounding cytoplasm. CEP90 is a centriolar satellite protein that is critical for spindle pole integrity in mitotic cells. In this study, we examined the biological functions ...

Abstract Efficient use of global navigation satellite system (GNSS) observations improves when applying rational selection algorithms. By combining the Sherman–Morrison formula and singular value decomposition, a smaller-GDOP (geometric dilution precision)-value method is proven for an increasing number visible satellites. this smaller-GDOP-value with maximum-volume-tetrahedron method, new rapi...

We describe the development and testing of a set of new and improved solar radiation pressure models for Global Positioning System (GPS) satellites that is based on four and one-half years of precise GPS orbital data. These empirical models show improved performance in both GPS orbit fit and prediction relative to the state-of-the-art models. Orbit-fit rms is improved 80 percent for Block IIR s...